1 | !> @file turbulence_closure_mod.f90 |
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2 | !------------------------------------------------------------------------------! |
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3 | ! This file is part of the PALM model system. |
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4 | ! |
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5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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6 | ! terms of the GNU General Public License as published by the Free Software |
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7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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8 | ! version. |
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9 | ! |
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10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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13 | ! |
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14 | ! You should have received a copy of the GNU General Public License along with |
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15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 2017-2018 Leibniz Universitaet Hannover |
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18 | !--------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! Current revisions: |
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21 | ! ----------------- |
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22 | ! |
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23 | ! |
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24 | ! Former revisions: |
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25 | ! ----------------- |
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26 | ! $Id: turbulence_closure_mod.f90 4102 2019-07-17 16:00:03Z suehring $ |
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27 | ! - Modularize setting of boundary conditions for TKE and dissipation |
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28 | ! - Neumann boundary condition for TKE at model top is set also in child domain |
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29 | ! - Revise setting of Neumann boundary conditions at non-cyclic lateral |
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30 | ! boundaries |
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31 | ! - Bugfix, set Neumann boundary condition for TKE at vertical wall instead of |
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32 | ! an implicit Dirichlet boundary condition which implied a sink of TKE |
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33 | ! at vertical walls |
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34 | ! |
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35 | ! 4048 2019-06-21 21:00:21Z knoop |
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36 | ! write out preprocessor directives; remove tailing whitespaces |
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37 | ! |
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38 | ! 3775 2019-03-04 12:40:20Z gronemeier |
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39 | ! removed unused variables |
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40 | ! |
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41 | ! 3724 2019-02-06 16:28:23Z kanani |
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42 | ! Correct double-used log_point_s units |
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43 | ! |
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44 | ! 3719 2019-02-06 13:10:18Z kanani |
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45 | ! Changed log_point to log_point_s, otherwise this overlaps with |
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46 | ! 'all progn.equations' cpu measurement. |
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47 | ! |
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48 | ! 3684 2019-01-20 20:20:58Z knoop |
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49 | ! Remove unused variable simulated_time |
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50 | ! |
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51 | ! 3636 2018-12-19 13:48:34Z raasch |
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52 | ! nopointer option removed |
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53 | ! |
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54 | ! 3634 2018-12-18 12:31:28Z knoop |
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55 | ! OpenACC port for SPEC |
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56 | ! |
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57 | ! 3550 2018-11-21 16:01:01Z gronemeier |
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58 | ! - calculate diss production same in vector and cache optimization |
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59 | ! - move boundary condition for e and diss to boundary_conds |
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60 | ! |
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61 | ! 3545 2018-11-21 11:19:41Z gronemeier |
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62 | ! - Set rans_mode according to value of turbulence_closure |
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63 | ! - removed debug output |
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64 | ! |
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65 | ! 3430 2018-10-25 13:36:23Z maronga |
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66 | ! Added support for buildings in the dynamic SGS model |
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67 | ! |
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68 | ! 3398 2018-10-22 19:30:24Z knoop |
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69 | ! Refactored production_e and production_e_ij (removed code redundancy) |
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70 | ! |
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71 | ! 3386 2018-10-19 16:28:22Z gronemeier |
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72 | ! Renamed tcm_prognostic to tcm_prognostic_equations |
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73 | ! |
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74 | ! 3385 2018-10-19 14:52:29Z knoop |
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75 | ! Restructured loops and ifs in production_e to ease vectorization on GPUs |
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76 | ! |
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77 | ! 3300 2018-10-02 14:16:54Z gronemeier |
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78 | ! - removed global array wall_flags_0_global, hence reduced accuracy of l_wall |
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79 | ! calculation |
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80 | ! - removed maxloc call as this produced different results for different |
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81 | ! compiler options |
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82 | ! |
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83 | ! 3294 2018-10-01 02:37:10Z raasch |
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84 | ! changes concerning modularization of ocean option |
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85 | ! |
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86 | ! 3274 2018-09-24 15:42:55Z knoop |
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87 | ! Modularization of all bulk cloud physics code components |
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88 | ! |
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89 | ! 3245 2018-09-13 14:08:16Z knoop |
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90 | ! unused variables removed, shortest_distance has wp now |
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91 | ! |
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92 | ! 3183 2018-07-27 14:25:55Z suehring |
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93 | ! Rename variables and remove unused variable from USE statement |
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94 | ! |
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95 | ! 3182 2018-07-27 13:36:03Z suehring |
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96 | ! Use MOST for km only in RANS mode |
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97 | ! |
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98 | ! 3130 2018-07-16 11:08:55Z gronemeier |
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99 | ! - move boundary condition of km and kh to tcm_diffusivities |
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100 | ! - calculate km at boundaries according to MOST |
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101 | ! - move phi_m to surface_layer_fluxes_mod |
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102 | ! |
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103 | ! 3129 2018-07-16 07:45:13Z gronemeier |
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104 | ! - move limitation of diss to boundary_conds |
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105 | ! - move boundary conditions for e and diss to boundary_conds |
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106 | ! - consider non-default surfaces in tcm_diffusivities |
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107 | ! - use z_mo within surface layer instead of calculating it |
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108 | ! - resort output after case select -> reduced code duplication |
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109 | ! - when using rans_tke_e and 1d-model, do not use e1d, km1d and diss1d |
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110 | ! |
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111 | ! 3121 2018-07-11 18:46:49Z gronemeier |
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112 | ! - created the function phi_m |
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113 | ! - implemented km = u* * kappa * zp / phi_m in production_e_init for all |
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114 | ! surfaces |
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115 | ! |
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116 | ! 3120 2018-07-11 18:30:57Z gronemeier |
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117 | ! - changed tcm_diffusivities to tcm_diffusivities_default |
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118 | ! - created subroutine tcm_diffusivities that calls tcm_diffusivities_default |
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119 | ! and tcm_diffusivities_dynamic |
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120 | ! |
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121 | ! 3086 2018-06-25 09:08:04Z gronemeier |
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122 | ! bugfix: set rans_const_sigma(1) = 1.3 |
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123 | ! |
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124 | ! 3083 2018-06-19 14:03:12Z gronemeier |
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125 | ! - set limits of diss at the end of prognostic equations |
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126 | ! - call production_e to calculate production term of diss |
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127 | ! - limit change of diss to -90% to +100% |
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128 | ! - remove factor 0.5 from diffusion_diss_ij |
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129 | ! - rename c_m into c_0, and c_h into c_4 |
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130 | ! - add rans_const_c and rans_const_sigma as namelist parameters |
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131 | ! - add calculation of mixing length for profile output in case of rans_tke_e |
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132 | ! - changed format of annotations to comply with doxygen standards |
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133 | ! - calculate and save dissipation rate during rans_tke_l mode |
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134 | ! - set bc at vertical walls for e, diss, km, kh |
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135 | ! - bugfix: set l_wall = 0.0 within buildings |
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136 | ! - set l_wall at bottom and top boundary (rans-mode) |
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137 | ! - bugfix in production term for dissipation rate |
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138 | ! - bugfix in diffusion of dissipation rate |
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139 | ! - disable check for 1D model if rans_tke_e is used |
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140 | ! - bugfixes for initialization (rans-mode): |
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141 | ! - correction of dissipation-rate formula |
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142 | ! - calculate km based on l_wall |
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143 | ! - initialize diss if 1D model is not used |
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144 | ! |
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145 | ! 3045 2018-05-28 07:55:41Z Giersch |
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146 | ! Error message revised |
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147 | ! |
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148 | ! 3014 2018-05-09 08:42:38Z maronga |
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149 | ! Bugfix: nzb_do and nzt_do were not used for 3d data output |
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150 | ! |
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151 | ! 3004 2018-04-27 12:33:25Z Giersch |
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152 | ! Further allocation checks implemented |
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153 | ! |
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154 | ! 2938 2018-03-27 15:52:42Z suehring |
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155 | ! Further todo's |
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156 | ! |
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157 | ! 2936 2018-03-27 14:49:27Z gronemeier |
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158 | ! - defined l_grid only within this module |
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159 | ! - Moved l_wall definition from modules.f90 |
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160 | ! - Get level of highest topography, used to limit upward distance calculation |
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161 | ! - Consider cyclic boundary conditions for mixing length calculation |
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162 | ! - Moved copy of wall_flags into subarray to subroutine |
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163 | ! - Implemented l_wall calculation in case of RANS simulation |
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164 | ! - Moved init of l_black to tcm_init_mixing_length |
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165 | ! - Moved init_mixing_length from init_grid.f90 and |
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166 | ! renamed it to tcm_init_mixing_length |
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167 | ! |
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168 | ! 2764 2018-01-22 09:25:36Z gronemeier |
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169 | ! Bugfix: remove duplicate SAVE statements |
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170 | ! |
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171 | ! 2746 2018-01-15 12:06:04Z suehring |
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172 | ! Move flag plant canopy to modules |
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173 | ! |
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174 | ! 2718 2018-01-02 08:49:38Z maronga |
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175 | ! Corrected "Former revisions" section |
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176 | ! |
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177 | ! 2701 2017-12-15 15:40:50Z suehring |
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178 | ! Changes from last commit documented |
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179 | ! |
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180 | ! 2698 2017-12-14 18:46:24Z suehring |
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181 | ! Bugfix in get_topography_top_index |
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182 | ! |
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183 | ! 2696 2017-12-14 17:12:51Z kanani |
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184 | ! Initial revision |
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185 | ! |
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186 | ! |
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187 | ! |
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188 | ! |
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189 | ! Authors: |
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190 | ! -------- |
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191 | ! @author Tobias Gronemeier |
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192 | ! @author Hauke Wurps |
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193 | ! |
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194 | ! Description: |
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195 | ! ------------ |
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196 | !> This module contains the available turbulence closures for PALM. |
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197 | !> |
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198 | !> |
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199 | !> @todo test initialization for all possibilities |
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200 | !> add OpenMP directives whereever possible |
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201 | !> @todo Check for random disturbances |
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202 | !> @note <Enter notes on the module> |
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203 | !-----------------------------------------------------------------------------! |
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204 | MODULE turbulence_closure_mod |
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205 | |
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206 | |
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207 | USE arrays_3d, & |
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208 | ONLY: diss, diss_1, diss_2, diss_3, diss_p, dzu, e, e_1, e_2, e_3, & |
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209 | e_p, kh, km, mean_inflow_profiles, prho, pt, tdiss_m, & |
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210 | te_m, tend, u, v, vpt, w |
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211 | |
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212 | USE basic_constants_and_equations_mod, & |
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213 | ONLY: g, kappa, lv_d_cp, lv_d_rd, rd_d_rv |
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214 | |
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215 | USE control_parameters, & |
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216 | ONLY: bc_dirichlet_l, & |
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217 | bc_dirichlet_n, & |
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218 | bc_dirichlet_r, & |
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219 | bc_dirichlet_s, & |
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220 | bc_radiation_l, & |
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221 | bc_radiation_n, & |
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222 | bc_radiation_r, & |
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223 | bc_radiation_s, & |
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224 | child_domain, & |
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225 | constant_diffusion, dt_3d, e_init, humidity, & |
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226 | initializing_actions, intermediate_timestep_count, & |
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227 | intermediate_timestep_count_max, km_constant, & |
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228 | les_dynamic, les_mw, ocean_mode, plant_canopy, prandtl_number, & |
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229 | pt_reference, rans_mode, rans_tke_e, rans_tke_l, & |
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230 | timestep_scheme, turbulence_closure, & |
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231 | turbulent_inflow, use_upstream_for_tke, vpt_reference, & |
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232 | ws_scheme_sca, current_timestep_number |
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233 | |
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234 | USE advec_ws, & |
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235 | ONLY: advec_s_ws |
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236 | |
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237 | USE advec_s_bc_mod, & |
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238 | ONLY: advec_s_bc |
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239 | |
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240 | USE advec_s_pw_mod, & |
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241 | ONLY: advec_s_pw |
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242 | |
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243 | USE advec_s_up_mod, & |
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244 | ONLY: advec_s_up |
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245 | |
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246 | USE cpulog, & |
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247 | ONLY: cpu_log, log_point_s |
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248 | |
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249 | USE indices, & |
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250 | ONLY: nbgp, nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg, nzb, nzt, & |
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251 | wall_flags_0 |
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252 | |
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253 | USE kinds |
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254 | |
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255 | USE ocean_mod, & |
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256 | ONLY: prho_reference |
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257 | |
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258 | USE pegrid |
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259 | |
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260 | USE plant_canopy_model_mod, & |
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261 | ONLY: pcm_tendency |
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262 | |
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263 | USE statistics, & |
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264 | ONLY: hom, hom_sum, statistic_regions |
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265 | |
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266 | USE surface_mod, & |
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267 | ONLY: bc_h, & |
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268 | bc_v, & |
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269 | get_topography_top_index_ji, & |
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270 | surf_def_h, & |
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271 | surf_def_v, & |
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272 | surf_lsm_h, & |
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273 | surf_lsm_v, & |
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274 | surf_usm_h, & |
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275 | surf_usm_v |
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276 | |
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277 | IMPLICIT NONE |
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278 | |
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279 | |
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280 | REAL(wp) :: c_0 !< constant used for diffusion coefficient and dissipation (dependent on mode RANS/LES) |
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281 | REAL(wp) :: c_1 !< model constant for RANS mode |
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282 | REAL(wp) :: c_2 !< model constant for RANS mode |
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283 | REAL(wp) :: c_3 !< model constant for RANS mode |
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284 | REAL(wp) :: c_4 !< model constant for RANS mode |
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285 | REAL(wp) :: l_max !< maximum length scale for Blackadar mixing length |
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286 | REAL(wp) :: dsig_e = 1.0_wp !< factor to calculate Ke from Km (1/sigma_e) |
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287 | REAL(wp) :: dsig_diss = 1.0_wp !< factor to calculate K_diss from Km (1/sigma_diss) |
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288 | |
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289 | REAL(wp), DIMENSION(0:4) :: rans_const_c = & !< model constants for RANS mode (namelist param) |
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290 | (/ 0.55_wp, 1.44_wp, 1.92_wp, 1.44_wp, 0.0_wp /) !> default values fit for standard-tke-e closure |
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291 | |
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292 | REAL(wp), DIMENSION(2) :: rans_const_sigma = & !< model constants for RANS mode, sigma values (sigma_e, sigma_diss) (namelist param) |
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293 | (/ 1.0_wp, 1.30_wp /) |
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294 | |
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295 | REAL(wp), DIMENSION(:), ALLOCATABLE :: l_black !< mixing length according to Blackadar |
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296 | |
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297 | REAL(wp), DIMENSION(:), ALLOCATABLE :: l_grid !< geometric mean of grid sizes dx, dy, dz |
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298 | |
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299 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: l_wall !< near-wall mixing length |
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300 | |
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301 | ! |
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302 | !-- Public variables |
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303 | PUBLIC c_0, rans_const_c, rans_const_sigma |
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304 | |
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305 | SAVE |
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306 | |
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307 | PRIVATE |
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308 | ! |
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309 | !-- Public subroutines |
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310 | PUBLIC & |
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311 | tcm_boundary_conds, & |
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312 | tcm_check_parameters, & |
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313 | tcm_check_data_output, & |
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314 | tcm_define_netcdf_grid, & |
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315 | tcm_init_arrays, & |
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316 | tcm_init, & |
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317 | tcm_actions, & |
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318 | tcm_prognostic_equations, & |
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319 | tcm_swap_timelevel, & |
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320 | tcm_3d_data_averaging, & |
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321 | tcm_data_output_2d, & |
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322 | tcm_data_output_3d, & |
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323 | tcm_diffusivities |
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324 | |
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325 | ! |
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326 | !-- PALM interfaces: |
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327 | !-- Boundary conditions for subgrid TKE and dissipation |
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328 | INTERFACE tcm_boundary_conds |
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329 | MODULE PROCEDURE tcm_boundary_conds |
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330 | END INTERFACE tcm_boundary_conds |
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331 | ! |
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332 | !-- Input parameter checks to be done in check_parameters |
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333 | INTERFACE tcm_check_parameters |
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334 | MODULE PROCEDURE tcm_check_parameters |
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335 | END INTERFACE tcm_check_parameters |
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336 | |
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337 | ! |
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338 | !-- Data output checks for 2D/3D data to be done in check_parameters |
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339 | INTERFACE tcm_check_data_output |
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340 | MODULE PROCEDURE tcm_check_data_output |
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341 | END INTERFACE tcm_check_data_output |
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342 | |
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343 | ! |
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344 | !-- Definition of data output quantities |
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345 | INTERFACE tcm_define_netcdf_grid |
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346 | MODULE PROCEDURE tcm_define_netcdf_grid |
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347 | END INTERFACE tcm_define_netcdf_grid |
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348 | |
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349 | ! |
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350 | !-- Initialization of arrays |
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351 | INTERFACE tcm_init_arrays |
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352 | MODULE PROCEDURE tcm_init_arrays |
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353 | END INTERFACE tcm_init_arrays |
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354 | |
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355 | ! |
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356 | !-- Initialization actions |
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357 | INTERFACE tcm_init |
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358 | MODULE PROCEDURE tcm_init |
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359 | END INTERFACE tcm_init |
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360 | |
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361 | ! |
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362 | !-- Location specific actions |
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363 | INTERFACE tcm_actions |
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364 | MODULE PROCEDURE tcm_actions |
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365 | MODULE PROCEDURE tcm_actions_ij |
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366 | END INTERFACE tcm_actions |
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367 | |
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368 | ! |
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369 | !-- Prognostic equations for TKE and TKE dissipation rate |
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370 | INTERFACE tcm_prognostic_equations |
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371 | MODULE PROCEDURE tcm_prognostic_equations |
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372 | MODULE PROCEDURE tcm_prognostic_equations_ij |
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373 | END INTERFACE tcm_prognostic_equations |
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374 | |
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375 | ! |
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376 | !-- Swapping of time levels (required for prognostic variables) |
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377 | INTERFACE tcm_swap_timelevel |
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378 | MODULE PROCEDURE tcm_swap_timelevel |
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379 | END INTERFACE tcm_swap_timelevel |
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380 | |
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381 | ! |
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382 | !-- Averaging of 3D data for output |
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383 | INTERFACE tcm_3d_data_averaging |
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384 | MODULE PROCEDURE tcm_3d_data_averaging |
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385 | END INTERFACE tcm_3d_data_averaging |
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386 | |
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387 | ! |
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388 | !-- Data output of 2D quantities |
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389 | INTERFACE tcm_data_output_2d |
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390 | MODULE PROCEDURE tcm_data_output_2d |
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391 | END INTERFACE tcm_data_output_2d |
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392 | |
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393 | ! |
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394 | !-- Data output of 3D data |
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395 | INTERFACE tcm_data_output_3d |
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396 | MODULE PROCEDURE tcm_data_output_3d |
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397 | END INTERFACE tcm_data_output_3d |
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398 | |
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399 | ! |
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400 | !-- Call tcm_diffusivities_default and tcm_diffusivities_dynamic |
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401 | INTERFACE tcm_diffusivities |
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402 | MODULE PROCEDURE tcm_diffusivities |
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403 | END INTERFACE tcm_diffusivities |
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404 | |
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405 | |
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406 | CONTAINS |
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407 | |
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408 | !------------------------------------------------------------------------------! |
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409 | ! Description: |
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410 | ! ------------ |
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411 | !> Check parameters routine for turbulence closure module. |
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412 | !------------------------------------------------------------------------------! |
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413 | SUBROUTINE tcm_boundary_conds |
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414 | |
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415 | USE pmc_interface, & |
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416 | ONLY : rans_mode_parent |
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417 | |
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418 | IMPLICIT NONE |
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419 | |
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420 | INTEGER(iwp) :: i !< grid index x direction |
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421 | INTEGER(iwp) :: j !< grid index y direction |
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422 | INTEGER(iwp) :: k !< grid index z direction |
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423 | INTEGER(iwp) :: l !< running index boundary type, for up- and downward-facing walls |
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424 | INTEGER(iwp) :: m !< running index surface elements |
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425 | ! |
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426 | !-- Boundary conditions for TKE. |
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427 | IF ( .NOT. constant_diffusion ) THEN |
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428 | ! |
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429 | !-- In LES mode, Neumann conditions with de/x_i=0 are assumed at solid walls. |
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430 | !-- Note, only TKE is prognostic in this case and dissipation is only |
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431 | !-- a diagnostic quantity. |
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432 | IF ( .NOT. rans_mode ) THEN |
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433 | ! |
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434 | !-- Horizontal walls, upward- and downward-facing |
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435 | DO l = 0, 1 |
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436 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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437 | !$ACC PARALLEL LOOP PRIVATE(i, j, k) & |
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438 | !$ACC PRESENT(bc_h, e_p) |
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439 | DO m = 1, bc_h(l)%ns |
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440 | i = bc_h(l)%i(m) |
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441 | j = bc_h(l)%j(m) |
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442 | k = bc_h(l)%k(m) |
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443 | e_p(k+bc_h(l)%koff,j,i) = e_p(k,j,i) |
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444 | ENDDO |
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445 | ENDDO |
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446 | ! |
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447 | !-- Vertical walls |
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448 | DO l = 0, 3 |
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449 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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450 | !$ACC PARALLEL LOOP PRIVATE(i, j, k) & |
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451 | !$ACC PRESENT(bc_v, e_p) |
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452 | DO m = 1, bc_v(l)%ns |
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453 | i = bc_v(l)%i(m) |
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454 | j = bc_v(l)%j(m) |
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455 | k = bc_v(l)%k(m) |
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456 | e_p(k,j+bc_v(l)%joff,i+bc_v(l)%ioff) = e_p(k,j,i) |
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457 | ENDDO |
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458 | ENDDO |
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459 | ! |
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460 | !-- In RANS mode, wall function is used as boundary condition for TKE |
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461 | ELSE |
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462 | ! |
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463 | !-- Use wall function within constant-flux layer |
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464 | !-- Note, grid points listed in bc_h are not included in any calculations in RANS mode and |
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465 | !-- are therefore not set here. |
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466 | ! |
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467 | !-- Upward-facing surfaces |
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468 | !-- Default surfaces |
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469 | DO m = 1, surf_def_h(0)%ns |
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470 | i = surf_def_h(0)%i(m) |
---|
471 | j = surf_def_h(0)%j(m) |
---|
472 | k = surf_def_h(0)%k(m) |
---|
473 | e_p(k,j,i) = ( surf_def_h(0)%us(m) / c_0 )**2 |
---|
474 | ENDDO |
---|
475 | ! |
---|
476 | !-- Natural surfaces |
---|
477 | DO m = 1, surf_lsm_h%ns |
---|
478 | i = surf_lsm_h%i(m) |
---|
479 | j = surf_lsm_h%j(m) |
---|
480 | k = surf_lsm_h%k(m) |
---|
481 | e_p(k,j,i) = ( surf_lsm_h%us(m) / c_0 )**2 |
---|
482 | ENDDO |
---|
483 | ! |
---|
484 | !-- Urban surfaces |
---|
485 | DO m = 1, surf_usm_h%ns |
---|
486 | i = surf_usm_h%i(m) |
---|
487 | j = surf_usm_h%j(m) |
---|
488 | k = surf_usm_h%k(m) |
---|
489 | e_p(k,j,i) = ( surf_usm_h%us(m) / c_0 )**2 |
---|
490 | ENDDO |
---|
491 | ! |
---|
492 | !-- Vertical surfaces |
---|
493 | DO l = 0, 3 |
---|
494 | ! |
---|
495 | !-- Default surfaces |
---|
496 | DO m = 1, surf_def_v(l)%ns |
---|
497 | i = surf_def_v(l)%i(m) |
---|
498 | j = surf_def_v(l)%j(m) |
---|
499 | k = surf_def_v(l)%k(m) |
---|
500 | e_p(k,j,i) = ( surf_def_v(l)%us(m) / c_0 )**2 |
---|
501 | ENDDO |
---|
502 | ! |
---|
503 | !-- Natural surfaces |
---|
504 | DO m = 1, surf_lsm_v(l)%ns |
---|
505 | i = surf_lsm_v(l)%i(m) |
---|
506 | j = surf_lsm_v(l)%j(m) |
---|
507 | k = surf_lsm_v(l)%k(m) |
---|
508 | e_p(k,j,i) = ( surf_lsm_v(l)%us(m) / c_0 )**2 |
---|
509 | ENDDO |
---|
510 | ! |
---|
511 | !-- Urban surfaces |
---|
512 | DO m = 1, surf_usm_v(l)%ns |
---|
513 | i = surf_usm_v(l)%i(m) |
---|
514 | j = surf_usm_v(l)%j(m) |
---|
515 | k = surf_usm_v(l)%k(m) |
---|
516 | e_p(k,j,i) = ( surf_usm_v(l)%us(m) / c_0 )**2 |
---|
517 | ENDDO |
---|
518 | ENDDO |
---|
519 | ENDIF |
---|
520 | ! |
---|
521 | !-- Set Neumann boundary condition for TKE at model top. Do this also |
---|
522 | !-- in case of a nested run. |
---|
523 | !$ACC KERNELS PRESENT(e_p) |
---|
524 | e_p(nzt+1,:,:) = e_p(nzt,:,:) |
---|
525 | !$ACC END KERNELS |
---|
526 | ! |
---|
527 | !-- Nesting case: if parent operates in RANS mode and child in LES mode, |
---|
528 | !-- no TKE is transfered. This case, set Neumann conditions at lateral and |
---|
529 | !-- top child boundaries. |
---|
530 | !-- If not ( both either in RANS or in LES mode ), TKE boundary condition |
---|
531 | !-- is treated in the nesting. |
---|
532 | If ( child_domain ) THEN |
---|
533 | IF ( rans_mode_parent .AND. .NOT. rans_mode ) THEN |
---|
534 | |
---|
535 | e_p(nzt+1,:,:) = e_p(nzt,:,:) |
---|
536 | IF ( bc_dirichlet_l ) e_p(:,:,nxl-1) = e_p(:,:,nxl) |
---|
537 | IF ( bc_dirichlet_r ) e_p(:,:,nxr+1) = e_p(:,:,nxr) |
---|
538 | IF ( bc_dirichlet_s ) e_p(:,nys-1,:) = e_p(:,nys,:) |
---|
539 | IF ( bc_dirichlet_n ) e_p(:,nyn+1,:) = e_p(:,nyn,:) |
---|
540 | |
---|
541 | ENDIF |
---|
542 | ENDIF |
---|
543 | ! |
---|
544 | !-- At in- and outflow boundaries also set Neumann boundary conditions |
---|
545 | !-- for the SGS-TKE. An exception is made for the child domain if |
---|
546 | !-- both parent and child operate in RANS mode. This case no |
---|
547 | !-- lateral Neumann boundary conditions will be set but Dirichlet |
---|
548 | !-- conditions will be set in the nesting. |
---|
549 | IF ( .NOT. child_domain .AND. .NOT. rans_mode_parent .AND. & |
---|
550 | .NOT. rans_mode ) THEN |
---|
551 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
---|
552 | e_p(:,nys-1,:) = e_p(:,nys,:) |
---|
553 | IF ( rans_tke_e ) diss_p(:,nys-1,:) = diss_p(:,nys,:) |
---|
554 | ENDIF |
---|
555 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
---|
556 | e_p(:,nyn+1,:) = e_p(:,nyn,:) |
---|
557 | IF ( rans_tke_e ) diss_p(:,nyn+1,:) = diss_p(:,nyn,:) |
---|
558 | ENDIF |
---|
559 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
---|
560 | e_p(:,:,nxl-1) = e_p(:,:,nxl) |
---|
561 | IF ( rans_tke_e ) diss_p(:,nyn+1,:) = diss_p(:,nyn,:) |
---|
562 | ENDIF |
---|
563 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
---|
564 | e_p(:,:,nxr+1) = e_p(:,:,nxr) |
---|
565 | IF ( rans_tke_e ) diss_p(:,nyn+1,:) = diss_p(:,nyn,:) |
---|
566 | ENDIF |
---|
567 | ENDIF |
---|
568 | ENDIF |
---|
569 | |
---|
570 | ! |
---|
571 | !-- Boundary conditions for TKE dissipation rate in RANS mode. |
---|
572 | IF ( rans_tke_e ) THEN |
---|
573 | ! |
---|
574 | !-- Use wall function within constant-flux layer |
---|
575 | !-- Upward-facing surfaces |
---|
576 | !-- Default surfaces |
---|
577 | DO m = 1, surf_def_h(0)%ns |
---|
578 | i = surf_def_h(0)%i(m) |
---|
579 | j = surf_def_h(0)%j(m) |
---|
580 | k = surf_def_h(0)%k(m) |
---|
581 | diss_p(k,j,i) = surf_def_h(0)%us(m)**3 & |
---|
582 | / ( kappa * surf_def_h(0)%z_mo(m) ) |
---|
583 | ENDDO |
---|
584 | ! |
---|
585 | !-- Natural surfaces |
---|
586 | DO m = 1, surf_lsm_h%ns |
---|
587 | i = surf_lsm_h%i(m) |
---|
588 | j = surf_lsm_h%j(m) |
---|
589 | k = surf_lsm_h%k(m) |
---|
590 | diss_p(k,j,i) = surf_lsm_h%us(m)**3 & |
---|
591 | / ( kappa * surf_lsm_h%z_mo(m) ) |
---|
592 | ENDDO |
---|
593 | ! |
---|
594 | !-- Urban surfaces |
---|
595 | DO m = 1, surf_usm_h%ns |
---|
596 | i = surf_usm_h%i(m) |
---|
597 | j = surf_usm_h%j(m) |
---|
598 | k = surf_usm_h%k(m) |
---|
599 | diss_p(k,j,i) = surf_usm_h%us(m)**3 & |
---|
600 | / ( kappa * surf_usm_h%z_mo(m) ) |
---|
601 | ENDDO |
---|
602 | ! |
---|
603 | !-- Vertical surfaces |
---|
604 | DO l = 0, 3 |
---|
605 | ! |
---|
606 | !-- Default surfaces |
---|
607 | DO m = 1, surf_def_v(l)%ns |
---|
608 | i = surf_def_v(l)%i(m) |
---|
609 | j = surf_def_v(l)%j(m) |
---|
610 | k = surf_def_v(l)%k(m) |
---|
611 | diss_p(k,j,i) = surf_def_v(l)%us(m)**3 & |
---|
612 | / ( kappa * surf_def_v(l)%z_mo(m) ) |
---|
613 | ENDDO |
---|
614 | ! |
---|
615 | !-- Natural surfaces |
---|
616 | DO m = 1, surf_lsm_v(l)%ns |
---|
617 | i = surf_lsm_v(l)%i(m) |
---|
618 | j = surf_lsm_v(l)%j(m) |
---|
619 | k = surf_lsm_v(l)%k(m) |
---|
620 | diss_p(k,j,i) = surf_lsm_v(l)%us(m)**3 & |
---|
621 | / ( kappa * surf_lsm_v(l)%z_mo(m) ) |
---|
622 | ENDDO |
---|
623 | ! |
---|
624 | !-- Urban surfaces |
---|
625 | DO m = 1, surf_usm_v(l)%ns |
---|
626 | i = surf_usm_v(l)%i(m) |
---|
627 | j = surf_usm_v(l)%j(m) |
---|
628 | k = surf_usm_v(l)%k(m) |
---|
629 | diss_p(k,j,i) = surf_usm_v(l)%us(m)**3 & |
---|
630 | / ( kappa * surf_usm_v(l)%z_mo(m) ) |
---|
631 | ENDDO |
---|
632 | ENDDO |
---|
633 | ! |
---|
634 | !-- Limit change of diss to be between -90% and +100%. Also, set an absolute |
---|
635 | !-- minimum value |
---|
636 | DO i = nxl, nxr |
---|
637 | DO j = nys, nyn |
---|
638 | DO k = nzb, nzt+1 |
---|
639 | diss_p(k,j,i) = MAX( MIN( diss_p(k,j,i), & |
---|
640 | 2.0_wp * diss(k,j,i) ), & |
---|
641 | 0.1_wp * diss(k,j,i), & |
---|
642 | 0.0001_wp ) |
---|
643 | ENDDO |
---|
644 | ENDDO |
---|
645 | ENDDO |
---|
646 | |
---|
647 | |
---|
648 | diss_p(nzt+1,:,:) = diss_p(nzt,:,:) |
---|
649 | |
---|
650 | ENDIF |
---|
651 | END SUBROUTINE tcm_boundary_conds |
---|
652 | |
---|
653 | !------------------------------------------------------------------------------! |
---|
654 | ! Description: |
---|
655 | ! ------------ |
---|
656 | !> Check parameters routine for turbulence closure module. |
---|
657 | !------------------------------------------------------------------------------! |
---|
658 | SUBROUTINE tcm_check_parameters |
---|
659 | |
---|
660 | USE control_parameters, & |
---|
661 | ONLY: message_string, turbulent_inflow, turbulent_outflow |
---|
662 | |
---|
663 | IMPLICIT NONE |
---|
664 | |
---|
665 | ! |
---|
666 | !-- Define which turbulence closure is going to be used |
---|
667 | SELECT CASE ( TRIM( turbulence_closure ) ) |
---|
668 | |
---|
669 | CASE ( 'dynamic' ) |
---|
670 | les_dynamic = .TRUE. |
---|
671 | |
---|
672 | CASE ( 'Moeng_Wyngaard' ) |
---|
673 | les_mw = .TRUE. |
---|
674 | |
---|
675 | CASE ( 'TKE-l' ) |
---|
676 | rans_tke_l = .TRUE. |
---|
677 | rans_mode = .TRUE. |
---|
678 | |
---|
679 | CASE ( 'TKE-e' ) |
---|
680 | rans_tke_e = .TRUE. |
---|
681 | rans_mode = .TRUE. |
---|
682 | |
---|
683 | CASE DEFAULT |
---|
684 | message_string = 'Unknown turbulence closure: ' // & |
---|
685 | TRIM( turbulence_closure ) |
---|
686 | CALL message( 'tcm_check_parameters', 'PA0500', 1, 2, 0, 6, 0 ) |
---|
687 | |
---|
688 | END SELECT |
---|
689 | ! |
---|
690 | !-- Set variables for RANS mode or LES mode |
---|
691 | IF ( rans_mode ) THEN |
---|
692 | ! |
---|
693 | !-- Assign values to constants for RANS mode |
---|
694 | dsig_e = 1.0_wp / rans_const_sigma(1) |
---|
695 | dsig_diss = 1.0_wp / rans_const_sigma(2) |
---|
696 | |
---|
697 | c_0 = rans_const_c(0) |
---|
698 | c_1 = rans_const_c(1) |
---|
699 | c_2 = rans_const_c(2) |
---|
700 | c_3 = rans_const_c(3) !> @todo clarify how to switch between different models |
---|
701 | c_4 = rans_const_c(4) |
---|
702 | |
---|
703 | IF ( turbulent_inflow .OR. turbulent_outflow ) THEN |
---|
704 | message_string = 'turbulent inflow/outflow is not yet '// & |
---|
705 | 'implemented for RANS mode' |
---|
706 | CALL message( 'tcm_check_parameters', 'PA0501', 1, 2, 0, 6, 0 ) |
---|
707 | ENDIF |
---|
708 | |
---|
709 | message_string = 'RANS mode is still in development! ' // & |
---|
710 | '&Not all features of PALM are yet compatible '// & |
---|
711 | 'with RANS mode. &Use at own risk!' |
---|
712 | CALL message( 'tcm_check_parameters', 'PA0502', 0, 1, 0, 6, 0 ) |
---|
713 | |
---|
714 | ELSE |
---|
715 | ! |
---|
716 | !-- LES mode |
---|
717 | c_0 = 0.1_wp !according to Lilly (1967) and Deardorff (1980) |
---|
718 | |
---|
719 | dsig_e = 1.0_wp !assure to use K_m to calculate TKE instead |
---|
720 | !of K_e which is used in RANS mode |
---|
721 | |
---|
722 | ENDIF |
---|
723 | |
---|
724 | END SUBROUTINE tcm_check_parameters |
---|
725 | |
---|
726 | !------------------------------------------------------------------------------! |
---|
727 | ! Description: |
---|
728 | ! ------------ |
---|
729 | !> Check data output. |
---|
730 | !------------------------------------------------------------------------------! |
---|
731 | SUBROUTINE tcm_check_data_output( var, unit ) |
---|
732 | |
---|
733 | IMPLICIT NONE |
---|
734 | |
---|
735 | CHARACTER (LEN=*) :: unit !< unit of output variable |
---|
736 | CHARACTER (LEN=*) :: var !< name of output variable |
---|
737 | |
---|
738 | |
---|
739 | SELECT CASE ( TRIM( var ) ) |
---|
740 | |
---|
741 | CASE ( 'diss' ) |
---|
742 | unit = 'm2/s3' |
---|
743 | |
---|
744 | CASE ( 'kh', 'km' ) |
---|
745 | unit = 'm2/s' |
---|
746 | |
---|
747 | CASE DEFAULT |
---|
748 | unit = 'illegal' |
---|
749 | |
---|
750 | END SELECT |
---|
751 | |
---|
752 | END SUBROUTINE tcm_check_data_output |
---|
753 | |
---|
754 | |
---|
755 | !------------------------------------------------------------------------------! |
---|
756 | ! Description: |
---|
757 | ! ------------ |
---|
758 | !> Define appropriate grid for netcdf variables. |
---|
759 | !> It is called out from subroutine netcdf. |
---|
760 | !------------------------------------------------------------------------------! |
---|
761 | SUBROUTINE tcm_define_netcdf_grid( var, found, grid_x, grid_y, grid_z ) |
---|
762 | |
---|
763 | IMPLICIT NONE |
---|
764 | |
---|
765 | CHARACTER (LEN=*), INTENT(OUT) :: grid_x !< x grid of output variable |
---|
766 | CHARACTER (LEN=*), INTENT(OUT) :: grid_y !< y grid of output variable |
---|
767 | CHARACTER (LEN=*), INTENT(OUT) :: grid_z !< z grid of output variable |
---|
768 | CHARACTER (LEN=*), INTENT(IN) :: var !< name of output variable |
---|
769 | |
---|
770 | LOGICAL, INTENT(OUT) :: found !< flag if output variable is found |
---|
771 | |
---|
772 | found = .TRUE. |
---|
773 | |
---|
774 | ! |
---|
775 | !-- Check for the grid |
---|
776 | SELECT CASE ( TRIM( var ) ) |
---|
777 | |
---|
778 | CASE ( 'diss', 'diss_xy', 'diss_xz', 'diss_yz' ) |
---|
779 | grid_x = 'x' |
---|
780 | grid_y = 'y' |
---|
781 | grid_z = 'zu' |
---|
782 | |
---|
783 | CASE ( 'kh', 'kh_xy', 'kh_xz', 'kh_yz' ) |
---|
784 | grid_x = 'x' |
---|
785 | grid_y = 'y' |
---|
786 | grid_z = 'zu' |
---|
787 | |
---|
788 | CASE ( 'km', 'km_xy', 'km_xz', 'km_yz' ) |
---|
789 | grid_x = 'x' |
---|
790 | grid_y = 'y' |
---|
791 | grid_z = 'zu' |
---|
792 | |
---|
793 | CASE DEFAULT |
---|
794 | found = .FALSE. |
---|
795 | grid_x = 'none' |
---|
796 | grid_y = 'none' |
---|
797 | grid_z = 'none' |
---|
798 | |
---|
799 | END SELECT |
---|
800 | |
---|
801 | END SUBROUTINE tcm_define_netcdf_grid |
---|
802 | |
---|
803 | |
---|
804 | !------------------------------------------------------------------------------! |
---|
805 | ! Description: |
---|
806 | ! ------------ |
---|
807 | !> Average 3D data. |
---|
808 | !------------------------------------------------------------------------------! |
---|
809 | SUBROUTINE tcm_3d_data_averaging( mode, variable ) |
---|
810 | |
---|
811 | |
---|
812 | USE averaging, & |
---|
813 | ONLY: diss_av, kh_av, km_av |
---|
814 | |
---|
815 | USE control_parameters, & |
---|
816 | ONLY: average_count_3d |
---|
817 | |
---|
818 | IMPLICIT NONE |
---|
819 | |
---|
820 | CHARACTER (LEN=*) :: mode !< flag defining mode 'allocate', 'sum' or 'average' |
---|
821 | CHARACTER (LEN=*) :: variable !< name of variable |
---|
822 | |
---|
823 | INTEGER(iwp) :: i !< loop index |
---|
824 | INTEGER(iwp) :: j !< loop index |
---|
825 | INTEGER(iwp) :: k !< loop index |
---|
826 | |
---|
827 | IF ( mode == 'allocate' ) THEN |
---|
828 | |
---|
829 | SELECT CASE ( TRIM( variable ) ) |
---|
830 | |
---|
831 | CASE ( 'diss' ) |
---|
832 | IF ( .NOT. ALLOCATED( diss_av ) ) THEN |
---|
833 | ALLOCATE( diss_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
834 | ENDIF |
---|
835 | diss_av = 0.0_wp |
---|
836 | |
---|
837 | CASE ( 'kh' ) |
---|
838 | IF ( .NOT. ALLOCATED( kh_av ) ) THEN |
---|
839 | ALLOCATE( kh_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
840 | ENDIF |
---|
841 | kh_av = 0.0_wp |
---|
842 | |
---|
843 | CASE ( 'km' ) |
---|
844 | IF ( .NOT. ALLOCATED( km_av ) ) THEN |
---|
845 | ALLOCATE( km_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
846 | ENDIF |
---|
847 | km_av = 0.0_wp |
---|
848 | |
---|
849 | CASE DEFAULT |
---|
850 | CONTINUE |
---|
851 | |
---|
852 | END SELECT |
---|
853 | |
---|
854 | ELSEIF ( mode == 'sum' ) THEN |
---|
855 | |
---|
856 | SELECT CASE ( TRIM( variable ) ) |
---|
857 | |
---|
858 | CASE ( 'diss' ) |
---|
859 | IF ( ALLOCATED( diss_av ) ) THEN |
---|
860 | DO i = nxlg, nxrg |
---|
861 | DO j = nysg, nyng |
---|
862 | DO k = nzb, nzt+1 |
---|
863 | diss_av(k,j,i) = diss_av(k,j,i) + diss(k,j,i) |
---|
864 | ENDDO |
---|
865 | ENDDO |
---|
866 | ENDDO |
---|
867 | ENDIF |
---|
868 | |
---|
869 | CASE ( 'kh' ) |
---|
870 | IF ( ALLOCATED( kh_av ) ) THEN |
---|
871 | DO i = nxlg, nxrg |
---|
872 | DO j = nysg, nyng |
---|
873 | DO k = nzb, nzt+1 |
---|
874 | kh_av(k,j,i) = kh_av(k,j,i) + kh(k,j,i) |
---|
875 | ENDDO |
---|
876 | ENDDO |
---|
877 | ENDDO |
---|
878 | ENDIF |
---|
879 | |
---|
880 | CASE ( 'km' ) |
---|
881 | IF ( ALLOCATED( km_av ) ) THEN |
---|
882 | DO i = nxlg, nxrg |
---|
883 | DO j = nysg, nyng |
---|
884 | DO k = nzb, nzt+1 |
---|
885 | km_av(k,j,i) = km_av(k,j,i) + km(k,j,i) |
---|
886 | ENDDO |
---|
887 | ENDDO |
---|
888 | ENDDO |
---|
889 | ENDIF |
---|
890 | |
---|
891 | CASE DEFAULT |
---|
892 | CONTINUE |
---|
893 | |
---|
894 | END SELECT |
---|
895 | |
---|
896 | ELSEIF ( mode == 'average' ) THEN |
---|
897 | |
---|
898 | SELECT CASE ( TRIM( variable ) ) |
---|
899 | |
---|
900 | CASE ( 'diss' ) |
---|
901 | IF ( ALLOCATED( diss_av ) ) THEN |
---|
902 | DO i = nxlg, nxrg |
---|
903 | DO j = nysg, nyng |
---|
904 | DO k = nzb, nzt+1 |
---|
905 | diss_av(k,j,i) = diss_av(k,j,i) & |
---|
906 | / REAL( average_count_3d, KIND=wp ) |
---|
907 | ENDDO |
---|
908 | ENDDO |
---|
909 | ENDDO |
---|
910 | ENDIF |
---|
911 | |
---|
912 | CASE ( 'kh' ) |
---|
913 | IF ( ALLOCATED( kh_av ) ) THEN |
---|
914 | DO i = nxlg, nxrg |
---|
915 | DO j = nysg, nyng |
---|
916 | DO k = nzb, nzt+1 |
---|
917 | kh_av(k,j,i) = kh_av(k,j,i) & |
---|
918 | / REAL( average_count_3d, KIND=wp ) |
---|
919 | ENDDO |
---|
920 | ENDDO |
---|
921 | ENDDO |
---|
922 | ENDIF |
---|
923 | |
---|
924 | CASE ( 'km' ) |
---|
925 | IF ( ALLOCATED( km_av ) ) THEN |
---|
926 | DO i = nxlg, nxrg |
---|
927 | DO j = nysg, nyng |
---|
928 | DO k = nzb, nzt+1 |
---|
929 | km_av(k,j,i) = km_av(k,j,i) & |
---|
930 | / REAL( average_count_3d, KIND=wp ) |
---|
931 | ENDDO |
---|
932 | ENDDO |
---|
933 | ENDDO |
---|
934 | ENDIF |
---|
935 | |
---|
936 | END SELECT |
---|
937 | |
---|
938 | ENDIF |
---|
939 | |
---|
940 | END SUBROUTINE tcm_3d_data_averaging |
---|
941 | |
---|
942 | |
---|
943 | !------------------------------------------------------------------------------! |
---|
944 | ! Description: |
---|
945 | ! ------------ |
---|
946 | !> Define 2D output variables. |
---|
947 | !------------------------------------------------------------------------------! |
---|
948 | SUBROUTINE tcm_data_output_2d( av, variable, found, grid, mode, local_pf, & |
---|
949 | nzb_do, nzt_do ) |
---|
950 | |
---|
951 | USE averaging, & |
---|
952 | ONLY: diss_av, kh_av, km_av |
---|
953 | |
---|
954 | IMPLICIT NONE |
---|
955 | |
---|
956 | CHARACTER (LEN=*) :: grid !< name of vertical grid |
---|
957 | CHARACTER (LEN=*) :: mode !< either 'xy', 'xz' or 'yz' |
---|
958 | CHARACTER (LEN=*) :: variable !< name of variable |
---|
959 | |
---|
960 | INTEGER(iwp) :: av !< flag for (non-)average output |
---|
961 | INTEGER(iwp) :: flag_nr !< number of masking flag |
---|
962 | INTEGER(iwp) :: i !< loop index |
---|
963 | INTEGER(iwp) :: j !< loop index |
---|
964 | INTEGER(iwp) :: k !< loop index |
---|
965 | INTEGER(iwp) :: nzb_do !< vertical output index (bottom) |
---|
966 | INTEGER(iwp) :: nzt_do !< vertical output index (top) |
---|
967 | |
---|
968 | LOGICAL :: found !< flag if output variable is found |
---|
969 | LOGICAL :: resorted !< flag if output is already resorted |
---|
970 | |
---|
971 | REAL(wp) :: fill_value = -9999.0_wp !< value for the _FillValue attribute |
---|
972 | |
---|
973 | REAL(wp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !< local |
---|
974 | !< array to which output data is resorted to |
---|
975 | |
---|
976 | REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !< points to selected output variable |
---|
977 | |
---|
978 | found = .TRUE. |
---|
979 | resorted = .FALSE. |
---|
980 | ! |
---|
981 | !-- Set masking flag for topography for not resorted arrays |
---|
982 | flag_nr = 0 |
---|
983 | |
---|
984 | SELECT CASE ( TRIM( variable ) ) |
---|
985 | |
---|
986 | CASE ( 'diss_xy', 'diss_xz', 'diss_yz' ) |
---|
987 | IF ( av == 0 ) THEN |
---|
988 | to_be_resorted => diss |
---|
989 | ELSE |
---|
990 | IF ( .NOT. ALLOCATED( diss_av ) ) THEN |
---|
991 | ALLOCATE( diss_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
992 | diss_av = REAL( fill_value, KIND = wp ) |
---|
993 | ENDIF |
---|
994 | to_be_resorted => diss_av |
---|
995 | ENDIF |
---|
996 | IF ( mode == 'xy' ) grid = 'zu' |
---|
997 | |
---|
998 | CASE ( 'kh_xy', 'kh_xz', 'kh_yz' ) |
---|
999 | IF ( av == 0 ) THEN |
---|
1000 | to_be_resorted => kh |
---|
1001 | ELSE |
---|
1002 | IF ( .NOT. ALLOCATED( kh_av ) ) THEN |
---|
1003 | ALLOCATE( kh_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1004 | kh_av = REAL( fill_value, KIND = wp ) |
---|
1005 | ENDIF |
---|
1006 | to_be_resorted => kh_av |
---|
1007 | ENDIF |
---|
1008 | IF ( mode == 'xy' ) grid = 'zu' |
---|
1009 | |
---|
1010 | CASE ( 'km_xy', 'km_xz', 'km_yz' ) |
---|
1011 | IF ( av == 0 ) THEN |
---|
1012 | to_be_resorted => km |
---|
1013 | ELSE |
---|
1014 | IF ( .NOT. ALLOCATED( km_av ) ) THEN |
---|
1015 | ALLOCATE( km_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1016 | km_av = REAL( fill_value, KIND = wp ) |
---|
1017 | ENDIF |
---|
1018 | to_be_resorted => km_av |
---|
1019 | ENDIF |
---|
1020 | IF ( mode == 'xy' ) grid = 'zu' |
---|
1021 | |
---|
1022 | CASE DEFAULT |
---|
1023 | found = .FALSE. |
---|
1024 | grid = 'none' |
---|
1025 | |
---|
1026 | END SELECT |
---|
1027 | |
---|
1028 | IF ( found .AND. .NOT. resorted ) THEN |
---|
1029 | DO i = nxl, nxr |
---|
1030 | DO j = nys, nyn |
---|
1031 | DO k = nzb_do, nzt_do |
---|
1032 | local_pf(i,j,k) = MERGE( to_be_resorted(k,j,i), & |
---|
1033 | REAL( fill_value, KIND = wp ), & |
---|
1034 | BTEST( wall_flags_0(k,j,i), flag_nr ) ) |
---|
1035 | ENDDO |
---|
1036 | ENDDO |
---|
1037 | ENDDO |
---|
1038 | ENDIF |
---|
1039 | |
---|
1040 | END SUBROUTINE tcm_data_output_2d |
---|
1041 | |
---|
1042 | |
---|
1043 | !------------------------------------------------------------------------------! |
---|
1044 | ! Description: |
---|
1045 | ! ------------ |
---|
1046 | !> Define 3D output variables. |
---|
1047 | !------------------------------------------------------------------------------! |
---|
1048 | SUBROUTINE tcm_data_output_3d( av, variable, found, local_pf, nzb_do, nzt_do ) |
---|
1049 | |
---|
1050 | |
---|
1051 | USE averaging, & |
---|
1052 | ONLY: diss_av, kh_av, km_av |
---|
1053 | |
---|
1054 | IMPLICIT NONE |
---|
1055 | |
---|
1056 | CHARACTER (LEN=*) :: variable !< name of variable |
---|
1057 | |
---|
1058 | INTEGER(iwp) :: av !< flag for (non-)average output |
---|
1059 | INTEGER(iwp) :: flag_nr !< number of masking flag |
---|
1060 | INTEGER(iwp) :: i !< loop index |
---|
1061 | INTEGER(iwp) :: j !< loop index |
---|
1062 | INTEGER(iwp) :: k !< loop index |
---|
1063 | INTEGER(iwp) :: nzb_do !< lower limit of the data output (usually 0) |
---|
1064 | INTEGER(iwp) :: nzt_do !< vertical upper limit of the data output (usually nz_do3d) |
---|
1065 | |
---|
1066 | LOGICAL :: found !< flag if output variable is found |
---|
1067 | LOGICAL :: resorted !< flag if output is already resorted |
---|
1068 | |
---|
1069 | REAL(wp) :: fill_value = -9999.0_wp !< value for the _FillValue attribute |
---|
1070 | |
---|
1071 | REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !< local |
---|
1072 | !< array to which output data is resorted to |
---|
1073 | |
---|
1074 | REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !< points to selected output variable |
---|
1075 | |
---|
1076 | found = .TRUE. |
---|
1077 | resorted = .FALSE. |
---|
1078 | ! |
---|
1079 | !-- Set masking flag for topography for not resorted arrays |
---|
1080 | flag_nr = 0 |
---|
1081 | |
---|
1082 | SELECT CASE ( TRIM( variable ) ) |
---|
1083 | |
---|
1084 | CASE ( 'diss' ) |
---|
1085 | IF ( av == 0 ) THEN |
---|
1086 | to_be_resorted => diss |
---|
1087 | ELSE |
---|
1088 | IF ( .NOT. ALLOCATED( diss_av ) ) THEN |
---|
1089 | ALLOCATE( diss_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1090 | diss_av = REAL( fill_value, KIND = wp ) |
---|
1091 | ENDIF |
---|
1092 | to_be_resorted => diss_av |
---|
1093 | ENDIF |
---|
1094 | |
---|
1095 | CASE ( 'kh' ) |
---|
1096 | IF ( av == 0 ) THEN |
---|
1097 | to_be_resorted => kh |
---|
1098 | ELSE |
---|
1099 | IF ( .NOT. ALLOCATED( kh_av ) ) THEN |
---|
1100 | ALLOCATE( kh_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1101 | kh_av = REAL( fill_value, KIND = wp ) |
---|
1102 | ENDIF |
---|
1103 | to_be_resorted => kh_av |
---|
1104 | ENDIF |
---|
1105 | |
---|
1106 | CASE ( 'km' ) |
---|
1107 | IF ( av == 0 ) THEN |
---|
1108 | to_be_resorted => km |
---|
1109 | ELSE |
---|
1110 | IF ( .NOT. ALLOCATED( km_av ) ) THEN |
---|
1111 | ALLOCATE( km_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1112 | km_av = REAL( fill_value, KIND = wp ) |
---|
1113 | ENDIF |
---|
1114 | to_be_resorted => km_av |
---|
1115 | ENDIF |
---|
1116 | |
---|
1117 | CASE DEFAULT |
---|
1118 | found = .FALSE. |
---|
1119 | |
---|
1120 | END SELECT |
---|
1121 | |
---|
1122 | |
---|
1123 | IF ( found .AND. .NOT. resorted ) THEN |
---|
1124 | DO i = nxl, nxr |
---|
1125 | DO j = nys, nyn |
---|
1126 | DO k = nzb_do, nzt_do |
---|
1127 | local_pf(i,j,k) = MERGE( & |
---|
1128 | to_be_resorted(k,j,i), & |
---|
1129 | REAL( fill_value, KIND = wp ), & |
---|
1130 | BTEST( wall_flags_0(k,j,i), flag_nr ) ) |
---|
1131 | ENDDO |
---|
1132 | ENDDO |
---|
1133 | ENDDO |
---|
1134 | resorted = .TRUE. |
---|
1135 | ENDIF |
---|
1136 | |
---|
1137 | END SUBROUTINE tcm_data_output_3d |
---|
1138 | |
---|
1139 | |
---|
1140 | !------------------------------------------------------------------------------! |
---|
1141 | ! Description: |
---|
1142 | ! ------------ |
---|
1143 | !> Allocate arrays and assign pointers. |
---|
1144 | !------------------------------------------------------------------------------! |
---|
1145 | SUBROUTINE tcm_init_arrays |
---|
1146 | |
---|
1147 | USE bulk_cloud_model_mod, & |
---|
1148 | ONLY: collision_turbulence |
---|
1149 | |
---|
1150 | USE particle_attributes, & |
---|
1151 | ONLY: use_sgs_for_particles, wang_kernel |
---|
1152 | |
---|
1153 | USE pmc_interface, & |
---|
1154 | ONLY: nested_run |
---|
1155 | |
---|
1156 | IMPLICIT NONE |
---|
1157 | |
---|
1158 | ALLOCATE( kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1159 | ALLOCATE( km(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1160 | |
---|
1161 | ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1162 | ALLOCATE( e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1163 | ALLOCATE( e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1164 | |
---|
1165 | ! |
---|
1166 | !-- Allocate arrays required for dissipation. |
---|
1167 | !-- Please note, if it is a nested run, arrays need to be allocated even if |
---|
1168 | !-- they do not necessarily need to be transferred, which is attributed to |
---|
1169 | !-- the design of the model coupler which allocates memory for each variable. |
---|
1170 | IF ( rans_mode .OR. use_sgs_for_particles .OR. wang_kernel .OR. & |
---|
1171 | collision_turbulence .OR. nested_run ) THEN |
---|
1172 | |
---|
1173 | ALLOCATE( diss_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1174 | IF ( rans_tke_e .OR. nested_run ) THEN |
---|
1175 | ALLOCATE( diss_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1176 | ALLOCATE( diss_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1177 | ENDIF |
---|
1178 | |
---|
1179 | ENDIF |
---|
1180 | |
---|
1181 | ! |
---|
1182 | !-- Initial assignment of pointers |
---|
1183 | e => e_1; e_p => e_2; te_m => e_3 |
---|
1184 | |
---|
1185 | IF ( rans_mode .OR. use_sgs_for_particles .OR. & |
---|
1186 | wang_kernel .OR. collision_turbulence .OR. nested_run ) THEN |
---|
1187 | diss => diss_1 |
---|
1188 | IF ( rans_tke_e .OR. nested_run ) THEN |
---|
1189 | diss_p => diss_2; tdiss_m => diss_3 |
---|
1190 | ENDIF |
---|
1191 | ENDIF |
---|
1192 | |
---|
1193 | END SUBROUTINE tcm_init_arrays |
---|
1194 | |
---|
1195 | |
---|
1196 | !------------------------------------------------------------------------------! |
---|
1197 | ! Description: |
---|
1198 | ! ------------ |
---|
1199 | !> Initialization of turbulence closure module. |
---|
1200 | !------------------------------------------------------------------------------! |
---|
1201 | SUBROUTINE tcm_init |
---|
1202 | |
---|
1203 | USE control_parameters, & |
---|
1204 | ONLY: bc_dirichlet_l, complex_terrain, topography |
---|
1205 | |
---|
1206 | USE model_1d_mod, & |
---|
1207 | ONLY: e1d, kh1d, km1d |
---|
1208 | |
---|
1209 | IMPLICIT NONE |
---|
1210 | |
---|
1211 | INTEGER(iwp) :: i !< loop index |
---|
1212 | INTEGER(iwp) :: j !< loop index |
---|
1213 | INTEGER(iwp) :: k !< loop index |
---|
1214 | INTEGER(iwp) :: nz_s_shift !< lower shift index for scalars |
---|
1215 | INTEGER(iwp) :: nz_s_shift_l !< local lower shift index in case of turbulent inflow |
---|
1216 | |
---|
1217 | ! |
---|
1218 | !-- Initialize mixing length |
---|
1219 | CALL tcm_init_mixing_length |
---|
1220 | |
---|
1221 | ! |
---|
1222 | !-- Actions for initial runs |
---|
1223 | IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. & |
---|
1224 | TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN |
---|
1225 | |
---|
1226 | IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN |
---|
1227 | |
---|
1228 | IF ( .NOT. rans_tke_e ) THEN |
---|
1229 | ! |
---|
1230 | !-- Transfer initial profiles to the arrays of the 3D model |
---|
1231 | DO i = nxlg, nxrg |
---|
1232 | DO j = nysg, nyng |
---|
1233 | e(:,j,i) = e1d |
---|
1234 | kh(:,j,i) = kh1d |
---|
1235 | km(:,j,i) = km1d |
---|
1236 | ENDDO |
---|
1237 | ENDDO |
---|
1238 | |
---|
1239 | IF ( constant_diffusion ) THEN |
---|
1240 | e = 0.0_wp |
---|
1241 | ENDIF |
---|
1242 | |
---|
1243 | ELSE |
---|
1244 | ! |
---|
1245 | !-- In case of TKE-e closure in RANS mode, do not use e, diss, and km |
---|
1246 | !-- profiles from 1D model. Instead, initialize with constant profiles |
---|
1247 | IF ( constant_diffusion ) THEN |
---|
1248 | km = km_constant |
---|
1249 | kh = km / prandtl_number |
---|
1250 | e = 0.0_wp |
---|
1251 | ELSEIF ( e_init > 0.0_wp ) THEN |
---|
1252 | DO i = nxlg, nxrg |
---|
1253 | DO j = nysg, nyng |
---|
1254 | DO k = nzb+1, nzt |
---|
1255 | km(k,j,i) = c_0 * l_wall(k,j,i) * SQRT( e_init ) |
---|
1256 | ENDDO |
---|
1257 | ENDDO |
---|
1258 | ENDDO |
---|
1259 | km(nzb,:,:) = km(nzb+1,:,:) |
---|
1260 | km(nzt+1,:,:) = km(nzt,:,:) |
---|
1261 | kh = km / prandtl_number |
---|
1262 | e = e_init |
---|
1263 | ELSE |
---|
1264 | IF ( .NOT. ocean_mode ) THEN |
---|
1265 | kh = 0.01_wp ! there must exist an initial diffusion, because |
---|
1266 | km = 0.01_wp ! otherwise no TKE would be produced by the |
---|
1267 | ! production terms, as long as not yet |
---|
1268 | ! e = (u*/cm)**2 at k=nzb+1 |
---|
1269 | ELSE |
---|
1270 | kh = 0.00001_wp |
---|
1271 | km = 0.00001_wp |
---|
1272 | ENDIF |
---|
1273 | e = 0.0_wp |
---|
1274 | ENDIF |
---|
1275 | |
---|
1276 | DO i = nxlg, nxrg |
---|
1277 | DO j = nysg, nyng |
---|
1278 | DO k = nzb+1, nzt |
---|
1279 | diss(k,j,i) = c_0**4 * e(k,j,i)**2 / km(k,j,i) |
---|
1280 | ENDDO |
---|
1281 | ENDDO |
---|
1282 | ENDDO |
---|
1283 | diss(nzb,:,:) = diss(nzb+1,:,:) |
---|
1284 | diss(nzt+1,:,:) = diss(nzt,:,:) |
---|
1285 | |
---|
1286 | ENDIF |
---|
1287 | |
---|
1288 | ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 .OR. & |
---|
1289 | INDEX( initializing_actions, 'inifor' ) /= 0 ) THEN |
---|
1290 | |
---|
1291 | IF ( constant_diffusion ) THEN |
---|
1292 | km = km_constant |
---|
1293 | kh = km / prandtl_number |
---|
1294 | e = 0.0_wp |
---|
1295 | ELSEIF ( e_init > 0.0_wp ) THEN |
---|
1296 | DO i = nxlg, nxrg |
---|
1297 | DO j = nysg, nyng |
---|
1298 | DO k = nzb+1, nzt |
---|
1299 | km(k,j,i) = c_0 * l_wall(k,j,i) * SQRT( e_init ) |
---|
1300 | ENDDO |
---|
1301 | ENDDO |
---|
1302 | ENDDO |
---|
1303 | km(nzb,:,:) = km(nzb+1,:,:) |
---|
1304 | km(nzt+1,:,:) = km(nzt,:,:) |
---|
1305 | kh = km / prandtl_number |
---|
1306 | e = e_init |
---|
1307 | ELSE |
---|
1308 | IF ( .NOT. ocean_mode ) THEN |
---|
1309 | kh = 0.01_wp ! there must exist an initial diffusion, because |
---|
1310 | km = 0.01_wp ! otherwise no TKE would be produced by the |
---|
1311 | ! production terms, as long as not yet |
---|
1312 | ! e = (u*/cm)**2 at k=nzb+1 |
---|
1313 | ELSE |
---|
1314 | kh = 0.00001_wp |
---|
1315 | km = 0.00001_wp |
---|
1316 | ENDIF |
---|
1317 | e = 0.0_wp |
---|
1318 | ENDIF |
---|
1319 | |
---|
1320 | IF ( rans_tke_e ) THEN |
---|
1321 | DO i = nxlg, nxrg |
---|
1322 | DO j = nysg, nyng |
---|
1323 | DO k = nzb+1, nzt |
---|
1324 | diss(k,j,i) = c_0**4 * e(k,j,i)**2 / km(k,j,i) |
---|
1325 | ENDDO |
---|
1326 | ENDDO |
---|
1327 | ENDDO |
---|
1328 | diss(nzb,:,:) = diss(nzb+1,:,:) |
---|
1329 | diss(nzt+1,:,:) = diss(nzt,:,:) |
---|
1330 | ENDIF |
---|
1331 | |
---|
1332 | ENDIF |
---|
1333 | ! |
---|
1334 | !-- Store initial profiles for output purposes etc. |
---|
1335 | hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 ) |
---|
1336 | hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 ) |
---|
1337 | ! |
---|
1338 | !-- Initialize old and new time levels. |
---|
1339 | te_m = 0.0_wp |
---|
1340 | e_p = e |
---|
1341 | IF ( rans_tke_e ) THEN |
---|
1342 | tdiss_m = 0.0_wp |
---|
1343 | diss_p = diss |
---|
1344 | ENDIF |
---|
1345 | |
---|
1346 | ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. & |
---|
1347 | TRIM( initializing_actions ) == 'cyclic_fill' ) & |
---|
1348 | THEN |
---|
1349 | |
---|
1350 | ! |
---|
1351 | !-- In case of complex terrain and cyclic fill method as initialization, |
---|
1352 | !-- shift initial data in the vertical direction for each point in the |
---|
1353 | !-- x-y-plane depending on local surface height |
---|
1354 | IF ( complex_terrain .AND. & |
---|
1355 | TRIM( initializing_actions ) == 'cyclic_fill' ) THEN |
---|
1356 | DO i = nxlg, nxrg |
---|
1357 | DO j = nysg, nyng |
---|
1358 | nz_s_shift = get_topography_top_index_ji( j, i, 's' ) |
---|
1359 | |
---|
1360 | e(nz_s_shift:nzt+1,j,i) = e(0:nzt+1-nz_s_shift,j,i) |
---|
1361 | km(nz_s_shift:nzt+1,j,i) = km(0:nzt+1-nz_s_shift,j,i) |
---|
1362 | kh(nz_s_shift:nzt+1,j,i) = kh(0:nzt+1-nz_s_shift,j,i) |
---|
1363 | ENDDO |
---|
1364 | ENDDO |
---|
1365 | IF ( rans_tke_e ) THEN |
---|
1366 | DO i = nxlg, nxrg |
---|
1367 | DO j = nysg, nyng |
---|
1368 | nz_s_shift = get_topography_top_index_ji( j, i, 's' ) |
---|
1369 | |
---|
1370 | diss(nz_s_shift:nzt+1,j,i) = diss(0:nzt+1-nz_s_shift,j,i) |
---|
1371 | ENDDO |
---|
1372 | ENDDO |
---|
1373 | ENDIF |
---|
1374 | ENDIF |
---|
1375 | |
---|
1376 | ! |
---|
1377 | !-- Initialization of the turbulence recycling method |
---|
1378 | IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. & |
---|
1379 | turbulent_inflow ) THEN |
---|
1380 | mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e |
---|
1381 | ! |
---|
1382 | !-- In case of complex terrain, determine vertical displacement at inflow |
---|
1383 | !-- boundary and adjust mean inflow profiles |
---|
1384 | IF ( complex_terrain ) THEN |
---|
1385 | IF ( nxlg <= 0 .AND. nxrg >= 0 .AND. & |
---|
1386 | nysg <= 0 .AND. nyng >= 0 ) THEN |
---|
1387 | nz_s_shift_l = get_topography_top_index_ji( 0, 0, 's' ) |
---|
1388 | ELSE |
---|
1389 | nz_s_shift_l = 0 |
---|
1390 | ENDIF |
---|
1391 | #if defined( __parallel ) |
---|
1392 | CALL MPI_ALLREDUCE(nz_s_shift_l, nz_s_shift, 1, MPI_INTEGER, & |
---|
1393 | MPI_MAX, comm2d, ierr) |
---|
1394 | #else |
---|
1395 | nz_s_shift = nz_s_shift_l |
---|
1396 | #endif |
---|
1397 | mean_inflow_profiles(nz_s_shift:nzt+1,5) = & |
---|
1398 | hom_sum(0:nzt+1-nz_s_shift,8,0) ! e |
---|
1399 | ENDIF |
---|
1400 | ! |
---|
1401 | !-- Use these mean profiles at the inflow (provided that Dirichlet |
---|
1402 | !-- conditions are used) |
---|
1403 | IF ( bc_dirichlet_l ) THEN |
---|
1404 | DO j = nysg, nyng |
---|
1405 | DO k = nzb, nzt+1 |
---|
1406 | e(k,j,nxlg:-1) = mean_inflow_profiles(k,5) |
---|
1407 | ENDDO |
---|
1408 | ENDDO |
---|
1409 | ENDIF |
---|
1410 | ENDIF |
---|
1411 | ! |
---|
1412 | !-- Inside buildings set TKE back to zero |
---|
1413 | IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. & |
---|
1414 | topography /= 'flat' ) THEN |
---|
1415 | ! |
---|
1416 | !-- Inside buildings set TKE back to zero. |
---|
1417 | !-- Other scalars (km, kh,...) are ignored at present, |
---|
1418 | !-- maybe revise later. |
---|
1419 | DO i = nxlg, nxrg |
---|
1420 | DO j = nysg, nyng |
---|
1421 | DO k = nzb, nzt |
---|
1422 | e(k,j,i) = MERGE( e(k,j,i), 0.0_wp, & |
---|
1423 | BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
1424 | ENDDO |
---|
1425 | ENDDO |
---|
1426 | ENDDO |
---|
1427 | |
---|
1428 | IF ( rans_tke_e ) THEN |
---|
1429 | DO i = nxlg, nxrg |
---|
1430 | DO j = nysg, nyng |
---|
1431 | DO k = nzb, nzt |
---|
1432 | diss(k,j,i) = MERGE( diss(k,j,i), 0.0_wp, & |
---|
1433 | BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
1434 | ENDDO |
---|
1435 | ENDDO |
---|
1436 | ENDDO |
---|
1437 | ENDIF |
---|
1438 | ENDIF |
---|
1439 | ! |
---|
1440 | !-- Initialize new time levels (only done in order to set boundary values |
---|
1441 | !-- including ghost points) |
---|
1442 | e_p = e |
---|
1443 | ! |
---|
1444 | !-- Allthough tendency arrays are set in prognostic_equations, they have |
---|
1445 | !-- to be predefined here because there they are used (but multiplied with 0) |
---|
1446 | !-- before they are set. |
---|
1447 | te_m = 0.0_wp |
---|
1448 | |
---|
1449 | IF ( rans_tke_e ) THEN |
---|
1450 | diss_p = diss |
---|
1451 | tdiss_m = 0.0_wp |
---|
1452 | ENDIF |
---|
1453 | |
---|
1454 | ENDIF |
---|
1455 | |
---|
1456 | END SUBROUTINE tcm_init |
---|
1457 | |
---|
1458 | |
---|
1459 | ! Description: |
---|
1460 | ! -----------------------------------------------------------------------------! |
---|
1461 | !> Pre-computation of grid-dependent and near-wall mixing length. |
---|
1462 | !> @todo consider walls in horizontal direction at a distance further than a |
---|
1463 | !> single grid point (RANS mode) |
---|
1464 | !------------------------------------------------------------------------------! |
---|
1465 | SUBROUTINE tcm_init_mixing_length |
---|
1466 | |
---|
1467 | USE arrays_3d, & |
---|
1468 | ONLY: dzw, ug, vg, zu, zw |
---|
1469 | |
---|
1470 | USE control_parameters, & |
---|
1471 | ONLY: f, message_string, wall_adjustment_factor |
---|
1472 | |
---|
1473 | USE grid_variables, & |
---|
1474 | ONLY: dx, dy |
---|
1475 | |
---|
1476 | USE indices, & |
---|
1477 | ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, ny, nyn, nyng, nys, nysg, nzb, & |
---|
1478 | nzt, wall_flags_0 |
---|
1479 | |
---|
1480 | USE kinds |
---|
1481 | |
---|
1482 | |
---|
1483 | IMPLICIT NONE |
---|
1484 | |
---|
1485 | INTEGER(iwp) :: dist_dx !< found distance devided by dx |
---|
1486 | INTEGER(iwp) :: i !< index variable along x |
---|
1487 | INTEGER(iwp) :: ii !< index variable along x |
---|
1488 | INTEGER(iwp) :: j !< index variable along y |
---|
1489 | INTEGER(iwp) :: k !< index variable along z |
---|
1490 | INTEGER(iwp) :: k_max_topo = 0 !< index of maximum topography height |
---|
1491 | INTEGER(iwp) :: kk !< index variable along z |
---|
1492 | INTEGER(iwp) :: rad_i !< search radius in grid points along x |
---|
1493 | INTEGER(iwp) :: rad_i_l !< possible search radius to the left |
---|
1494 | INTEGER(iwp) :: rad_i_r !< possible search radius to the right |
---|
1495 | INTEGER(iwp) :: rad_j !< search radius in grid points along y |
---|
1496 | INTEGER(iwp) :: rad_j_n !< possible search radius to north |
---|
1497 | INTEGER(iwp) :: rad_j_s !< possible search radius to south |
---|
1498 | INTEGER(iwp) :: rad_k !< search radius in grid points along z |
---|
1499 | INTEGER(iwp) :: rad_k_b !< search radius in grid points along negative z |
---|
1500 | INTEGER(iwp) :: rad_k_t !< search radius in grid points along positive z |
---|
1501 | |
---|
1502 | INTEGER(KIND=1), DIMENSION(:,:), ALLOCATABLE :: vic_yz !< contains a quarter of a single yz-slice of vicinity |
---|
1503 | |
---|
1504 | INTEGER(KIND=1), DIMENSION(:,:,:), ALLOCATABLE :: vicinity !< contains topography information of the vicinity of (i/j/k) |
---|
1505 | |
---|
1506 | REAL(wp) :: radius !< search radius in meter |
---|
1507 | |
---|
1508 | ALLOCATE( l_grid(1:nzt) ) |
---|
1509 | ALLOCATE( l_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1510 | ! |
---|
1511 | !-- Initialize the mixing length in case of an LES-simulation |
---|
1512 | IF ( .NOT. rans_mode ) THEN |
---|
1513 | ! |
---|
1514 | !-- Compute the grid-dependent mixing length. |
---|
1515 | DO k = 1, nzt |
---|
1516 | l_grid(k) = ( dx * dy * dzw(k) )**0.33333333333333_wp |
---|
1517 | ENDDO |
---|
1518 | ! |
---|
1519 | !-- Initialize near-wall mixing length l_wall only in the vertical direction |
---|
1520 | !-- for the moment, multiplication with wall_adjustment_factor further below |
---|
1521 | l_wall(nzb,:,:) = l_grid(1) |
---|
1522 | DO k = nzb+1, nzt |
---|
1523 | l_wall(k,:,:) = l_grid(k) |
---|
1524 | ENDDO |
---|
1525 | l_wall(nzt+1,:,:) = l_grid(nzt) |
---|
1526 | |
---|
1527 | DO k = 1, nzt |
---|
1528 | IF ( l_grid(k) > 1.5_wp * dx * wall_adjustment_factor .OR. & |
---|
1529 | l_grid(k) > 1.5_wp * dy * wall_adjustment_factor ) THEN |
---|
1530 | WRITE( message_string, * ) 'grid anisotropy exceeds ', & |
---|
1531 | 'threshold given by only local', & |
---|
1532 | ' &horizontal reduction of near_wall ', & |
---|
1533 | 'mixing length l_wall', & |
---|
1534 | ' &starting from height level k = ', k, & |
---|
1535 | '.' |
---|
1536 | CALL message( 'init_grid', 'PA0202', 0, 1, 0, 6, 0 ) |
---|
1537 | EXIT |
---|
1538 | ENDIF |
---|
1539 | ENDDO |
---|
1540 | ! |
---|
1541 | !-- In case of topography: limit near-wall mixing length l_wall further: |
---|
1542 | !-- Go through all points of the subdomain one by one and look for the closest |
---|
1543 | !-- surface. |
---|
1544 | !-- Is this correct in the ocean case? |
---|
1545 | DO i = nxl, nxr |
---|
1546 | DO j = nys, nyn |
---|
1547 | DO k = nzb+1, nzt |
---|
1548 | ! |
---|
1549 | !-- Check if current gridpoint belongs to the atmosphere |
---|
1550 | IF ( BTEST( wall_flags_0(k,j,i), 0 ) ) THEN |
---|
1551 | ! |
---|
1552 | !-- Check for neighbouring grid-points. |
---|
1553 | !-- Vertical distance, down |
---|
1554 | IF ( .NOT. BTEST( wall_flags_0(k-1,j,i), 0 ) ) & |
---|
1555 | l_wall(k,j,i) = MIN( l_grid(k), zu(k) - zw(k-1) ) |
---|
1556 | ! |
---|
1557 | !-- Vertical distance, up |
---|
1558 | IF ( .NOT. BTEST( wall_flags_0(k+1,j,i), 0 ) ) & |
---|
1559 | l_wall(k,j,i) = MIN( l_grid(k), zw(k) - zu(k) ) |
---|
1560 | ! |
---|
1561 | !-- y-distance |
---|
1562 | IF ( .NOT. BTEST( wall_flags_0(k,j-1,i), 0 ) .OR. & |
---|
1563 | .NOT. BTEST( wall_flags_0(k,j+1,i), 0 ) ) & |
---|
1564 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), 0.5_wp * dy ) |
---|
1565 | ! |
---|
1566 | !-- x-distance |
---|
1567 | IF ( .NOT. BTEST( wall_flags_0(k,j,i-1), 0 ) .OR. & |
---|
1568 | .NOT. BTEST( wall_flags_0(k,j,i+1), 0 ) ) & |
---|
1569 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), 0.5_wp * dx ) |
---|
1570 | ! |
---|
1571 | !-- yz-distance (vertical edges, down) |
---|
1572 | IF ( .NOT. BTEST( wall_flags_0(k-1,j-1,i), 0 ) .OR. & |
---|
1573 | .NOT. BTEST( wall_flags_0(k-1,j+1,i), 0 ) ) & |
---|
1574 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), & |
---|
1575 | SQRT( 0.25_wp * dy**2 + & |
---|
1576 | ( zu(k) - zw(k-1) )**2 ) ) |
---|
1577 | ! |
---|
1578 | !-- yz-distance (vertical edges, up) |
---|
1579 | IF ( .NOT. BTEST( wall_flags_0(k+1,j-1,i), 0 ) .OR. & |
---|
1580 | .NOT. BTEST( wall_flags_0(k+1,j+1,i), 0 ) ) & |
---|
1581 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), & |
---|
1582 | SQRT( 0.25_wp * dy**2 + & |
---|
1583 | ( zw(k) - zu(k) )**2 ) ) |
---|
1584 | ! |
---|
1585 | !-- xz-distance (vertical edges, down) |
---|
1586 | IF ( .NOT. BTEST( wall_flags_0(k-1,j,i-1), 0 ) .OR. & |
---|
1587 | .NOT. BTEST( wall_flags_0(k-1,j,i+1), 0 ) ) & |
---|
1588 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), & |
---|
1589 | SQRT( 0.25_wp * dx**2 + & |
---|
1590 | ( zu(k) - zw(k-1) )**2 ) ) |
---|
1591 | ! |
---|
1592 | !-- xz-distance (vertical edges, up) |
---|
1593 | IF ( .NOT. BTEST( wall_flags_0(k+1,j,i-1), 0 ) .OR. & |
---|
1594 | .NOT. BTEST( wall_flags_0(k+1,j,i+1), 0 ) ) & |
---|
1595 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), & |
---|
1596 | SQRT( 0.25_wp * dx**2 + & |
---|
1597 | ( zw(k) - zu(k) )**2 ) ) |
---|
1598 | ! |
---|
1599 | !-- xy-distance (horizontal edges) |
---|
1600 | IF ( .NOT. BTEST( wall_flags_0(k,j-1,i-1), 0 ) .OR. & |
---|
1601 | .NOT. BTEST( wall_flags_0(k,j+1,i-1), 0 ) .OR. & |
---|
1602 | .NOT. BTEST( wall_flags_0(k,j-1,i+1), 0 ) .OR. & |
---|
1603 | .NOT. BTEST( wall_flags_0(k,j+1,i+1), 0 ) ) & |
---|
1604 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), & |
---|
1605 | SQRT( 0.25_wp * ( dx**2 + dy**2 ) ) ) |
---|
1606 | ! |
---|
1607 | !-- xyz distance (vertical and horizontal edges, down) |
---|
1608 | IF ( .NOT. BTEST( wall_flags_0(k-1,j-1,i-1), 0 ) .OR. & |
---|
1609 | .NOT. BTEST( wall_flags_0(k-1,j+1,i-1), 0 ) .OR. & |
---|
1610 | .NOT. BTEST( wall_flags_0(k-1,j-1,i+1), 0 ) .OR. & |
---|
1611 | .NOT. BTEST( wall_flags_0(k-1,j+1,i+1), 0 ) ) & |
---|
1612 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), & |
---|
1613 | SQRT( 0.25_wp * ( dx**2 + dy**2 ) & |
---|
1614 | + ( zu(k) - zw(k-1) )**2 ) ) |
---|
1615 | ! |
---|
1616 | !-- xyz distance (vertical and horizontal edges, up) |
---|
1617 | IF ( .NOT. BTEST( wall_flags_0(k+1,j-1,i-1), 0 ) .OR. & |
---|
1618 | .NOT. BTEST( wall_flags_0(k+1,j+1,i-1), 0 ) .OR. & |
---|
1619 | .NOT. BTEST( wall_flags_0(k+1,j-1,i+1), 0 ) .OR. & |
---|
1620 | .NOT. BTEST( wall_flags_0(k+1,j+1,i+1), 0 ) ) & |
---|
1621 | l_wall(k,j,i) = MIN( l_wall(k,j,i), l_grid(k), & |
---|
1622 | SQRT( 0.25_wp * ( dx**2 + dy**2 ) & |
---|
1623 | + ( zw(k) - zu(k) )**2 ) ) |
---|
1624 | |
---|
1625 | ENDIF |
---|
1626 | ENDDO |
---|
1627 | ENDDO |
---|
1628 | ENDDO |
---|
1629 | |
---|
1630 | ELSE |
---|
1631 | ! |
---|
1632 | !-- Initialize the mixing length in case of a RANS simulation |
---|
1633 | ALLOCATE( l_black(nzb:nzt+1) ) |
---|
1634 | |
---|
1635 | ! |
---|
1636 | !-- Calculate mixing length according to Blackadar (1962) |
---|
1637 | IF ( f /= 0.0_wp ) THEN |
---|
1638 | l_max = 2.7E-4_wp * SQRT( ug(nzt+1)**2 + vg(nzt+1)**2 ) / & |
---|
1639 | ABS( f ) + 1.0E-10_wp |
---|
1640 | ELSE |
---|
1641 | l_max = 30.0_wp |
---|
1642 | ENDIF |
---|
1643 | |
---|
1644 | DO k = nzb, nzt |
---|
1645 | l_black(k) = kappa * zu(k) / ( 1.0_wp + kappa * zu(k) / l_max ) |
---|
1646 | ENDDO |
---|
1647 | |
---|
1648 | l_black(nzt+1) = l_black(nzt) |
---|
1649 | |
---|
1650 | ! |
---|
1651 | !-- Get height level of highest topography within local subdomain |
---|
1652 | DO i = nxlg, nxrg |
---|
1653 | DO j = nysg, nyng |
---|
1654 | DO k = nzb+1, nzt-1 |
---|
1655 | IF ( .NOT. BTEST( wall_flags_0(k,j,i), 0 ) .AND. & |
---|
1656 | k > k_max_topo ) & |
---|
1657 | k_max_topo = k |
---|
1658 | ENDDO |
---|
1659 | ENDDO |
---|
1660 | ENDDO |
---|
1661 | |
---|
1662 | l_wall(nzb,:,:) = l_black(nzb) |
---|
1663 | l_wall(nzt+1,:,:) = l_black(nzt+1) |
---|
1664 | ! |
---|
1665 | !-- Limit mixing length to either nearest wall or Blackadar mixing length. |
---|
1666 | !-- For that, analyze each grid point (i/j/k) ("analysed grid point") and |
---|
1667 | !-- search within its vicinity for the shortest distance to a wall by cal- |
---|
1668 | !-- culating the distance between the analysed grid point and the "viewed |
---|
1669 | !-- grid point" if it contains a wall (belongs to topography). |
---|
1670 | DO k = nzb+1, nzt |
---|
1671 | |
---|
1672 | radius = l_black(k) ! radius within walls are searched |
---|
1673 | ! |
---|
1674 | !-- Set l_wall to its default maximum value (l_back) |
---|
1675 | l_wall(k,:,:) = radius |
---|
1676 | |
---|
1677 | ! |
---|
1678 | !-- Compute search radius as number of grid points in all directions |
---|
1679 | rad_i = CEILING( radius / dx ) |
---|
1680 | rad_j = CEILING( radius / dy ) |
---|
1681 | |
---|
1682 | DO kk = 0, nzt-k |
---|
1683 | rad_k_t = kk |
---|
1684 | ! |
---|
1685 | !-- Limit upward search radius to height of maximum topography |
---|
1686 | IF ( zu(k+kk)-zu(k) >= radius .OR. k+kk >= k_max_topo ) EXIT |
---|
1687 | ENDDO |
---|
1688 | |
---|
1689 | DO kk = 0, k |
---|
1690 | rad_k_b = kk |
---|
1691 | IF ( zu(k)-zu(k-kk) >= radius ) EXIT |
---|
1692 | ENDDO |
---|
1693 | |
---|
1694 | ! |
---|
1695 | !-- Get maximum vertical radius; necessary for defining arrays |
---|
1696 | rad_k = MAX( rad_k_b, rad_k_t ) |
---|
1697 | ! |
---|
1698 | !-- When analysed grid point lies above maximum topography, set search |
---|
1699 | !-- radius to 0 if the distance between the analysed grid point and max |
---|
1700 | !-- topography height is larger than the maximum search radius |
---|
1701 | IF ( zu(k-rad_k_b) > zu(k_max_topo) ) rad_k_b = 0 |
---|
1702 | ! |
---|
1703 | !-- Search within vicinity only if the vertical search radius is >0 |
---|
1704 | IF ( rad_k_b /= 0 .OR. rad_k_t /= 0 ) THEN |
---|
1705 | |
---|
1706 | !> @note shape of vicinity is larger in z direction |
---|
1707 | !> Shape of vicinity is two grid points larger than actual search |
---|
1708 | !> radius in vertical direction. The first and last grid point is |
---|
1709 | !> always set to 1 to asure correct detection of topography. See |
---|
1710 | !> function "shortest_distance" for details. |
---|
1711 | !> 2018-03-16, gronemeier |
---|
1712 | ALLOCATE( vicinity(-rad_k-1:rad_k+1,-rad_j:rad_j,-rad_i:rad_i) ) |
---|
1713 | ALLOCATE( vic_yz(0:rad_k+1,0:rad_j) ) |
---|
1714 | |
---|
1715 | vicinity = 1 |
---|
1716 | |
---|
1717 | DO i = nxl, nxr |
---|
1718 | DO j = nys, nyn |
---|
1719 | ! |
---|
1720 | !-- Start search only if (i/j/k) belongs to atmosphere |
---|
1721 | IF ( BTEST( wall_flags_0(k,j,i), 0 ) ) THEN |
---|
1722 | ! |
---|
1723 | !-- Reset topography within vicinity |
---|
1724 | vicinity(-rad_k:rad_k,:,:) = 0 |
---|
1725 | ! |
---|
1726 | !-- Copy area surrounding analysed grid point into vicinity. |
---|
1727 | !-- First, limit size of data copied to vicinity by the domain |
---|
1728 | !-- border |
---|
1729 | !> @note limit copied area to 1 grid point in hor. dir. |
---|
1730 | !> Ignore walls in horizontal direction which are |
---|
1731 | !> further away than a single grid point. This allows to |
---|
1732 | !> only search within local subdomain without the need |
---|
1733 | !> of global topography information. |
---|
1734 | !> The error made by this assumption are acceptable at |
---|
1735 | !> the moment. |
---|
1736 | !> 2018-10-01, gronemeier |
---|
1737 | rad_i_l = MIN( 1, rad_i, i ) |
---|
1738 | rad_i_r = MIN( 1, rad_i, nx-i ) |
---|
1739 | |
---|
1740 | rad_j_s = MIN( 1, rad_j, j ) |
---|
1741 | rad_j_n = MIN( 1, rad_j, ny-j ) |
---|
1742 | |
---|
1743 | CALL copy_into_vicinity( k, j, i, & |
---|
1744 | -rad_k_b, rad_k_t, & |
---|
1745 | -rad_j_s, rad_j_n, & |
---|
1746 | -rad_i_l, rad_i_r ) |
---|
1747 | !> @note in case of cyclic boundaries, those parts of the |
---|
1748 | !> topography which lies beyond the domain borders but |
---|
1749 | !> still within the search radius still needs to be |
---|
1750 | !> copied into 'vicinity'. As the effective search |
---|
1751 | !> radius is limited to 1 at the moment, no further |
---|
1752 | !> copying is needed. Old implementation (prior to |
---|
1753 | !> 2018-10-01) had this covered but used a global array. |
---|
1754 | !> 2018-10-01, gronemeier |
---|
1755 | |
---|
1756 | ! |
---|
1757 | !-- Search for walls only if there is any within vicinity |
---|
1758 | IF ( MAXVAL( vicinity(-rad_k:rad_k,:,:) ) /= 0 ) THEN |
---|
1759 | ! |
---|
1760 | !-- Search within first half (positive x) |
---|
1761 | dist_dx = rad_i |
---|
1762 | DO ii = 0, dist_dx |
---|
1763 | ! |
---|
1764 | !-- Search along vertical direction only if below |
---|
1765 | !-- maximum topography |
---|
1766 | IF ( rad_k_t > 0 ) THEN |
---|
1767 | ! |
---|
1768 | !-- Search for walls within octant (+++) |
---|
1769 | vic_yz = vicinity(0:rad_k+1,0:rad_j,ii) |
---|
1770 | l_wall(k,j,i) = MIN( l_wall(k,j,i), & |
---|
1771 | shortest_distance( vic_yz, .TRUE., ii ) ) |
---|
1772 | ! |
---|
1773 | !-- Search for walls within octant (+-+) |
---|
1774 | !-- Switch order of array so that the analysed grid |
---|
1775 | !-- point is always located at (0/0) (required by |
---|
1776 | !-- shortest_distance"). |
---|
1777 | vic_yz = vicinity(0:rad_k+1,0:-rad_j:-1,ii) |
---|
1778 | l_wall(k,j,i) = MIN( l_wall(k,j,i), & |
---|
1779 | shortest_distance( vic_yz, .TRUE., ii ) ) |
---|
1780 | |
---|
1781 | ENDIF |
---|
1782 | ! |
---|
1783 | !-- Search for walls within octant (+--) |
---|
1784 | vic_yz = vicinity(0:-rad_k-1:-1,0:-rad_j:-1,ii) |
---|
1785 | l_wall(k,j,i) = MIN( l_wall(k,j,i), & |
---|
1786 | shortest_distance( vic_yz, .FALSE., ii ) ) |
---|
1787 | ! |
---|
1788 | !-- Search for walls within octant (++-) |
---|
1789 | vic_yz = vicinity(0:-rad_k-1:-1,0:rad_j,ii) |
---|
1790 | l_wall(k,j,i) = MIN( l_wall(k,j,i), & |
---|
1791 | shortest_distance( vic_yz, .FALSE., ii ) ) |
---|
1792 | ! |
---|
1793 | !-- Reduce search along x by already found distance |
---|
1794 | dist_dx = CEILING( l_wall(k,j,i) / dx ) |
---|
1795 | |
---|
1796 | ENDDO |
---|
1797 | ! |
---|
1798 | !- Search within second half (negative x) |
---|
1799 | DO ii = 0, -dist_dx, -1 |
---|
1800 | ! |
---|
1801 | !-- Search along vertical direction only if below |
---|
1802 | !-- maximum topography |
---|
1803 | IF ( rad_k_t > 0 ) THEN |
---|
1804 | ! |
---|
1805 | !-- Search for walls within octant (-++) |
---|
1806 | vic_yz = vicinity(0:rad_k+1,0:rad_j,ii) |
---|
1807 | l_wall(k,j,i) = MIN( l_wall(k,j,i), & |
---|
1808 | shortest_distance( vic_yz, .TRUE., -ii ) ) |
---|
1809 | ! |
---|
1810 | !-- Search for walls within octant (--+) |
---|
1811 | !-- Switch order of array so that the analysed grid |
---|
1812 | !-- point is always located at (0/0) (required by |
---|
1813 | !-- shortest_distance"). |
---|
1814 | vic_yz = vicinity(0:rad_k+1,0:-rad_j:-1,ii) |
---|
1815 | l_wall(k,j,i) = MIN( l_wall(k,j,i), & |
---|
1816 | shortest_distance( vic_yz, .TRUE., -ii ) ) |
---|
1817 | |
---|
1818 | ENDIF |
---|
1819 | ! |
---|
1820 | !-- Search for walls within octant (---) |
---|
1821 | vic_yz = vicinity(0:-rad_k-1:-1,0:-rad_j:-1,ii) |
---|
1822 | l_wall(k,j,i) = MIN( l_wall(k,j,i), & |
---|
1823 | shortest_distance( vic_yz, .FALSE., -ii ) ) |
---|
1824 | ! |
---|
1825 | !-- Search for walls within octant (-+-) |
---|
1826 | vic_yz = vicinity(0:-rad_k-1:-1,0:rad_j,ii) |
---|
1827 | l_wall(k,j,i) = MIN( l_wall(k,j,i), & |
---|
1828 | shortest_distance( vic_yz, .FALSE., -ii ) ) |
---|
1829 | ! |
---|
1830 | !-- Reduce search along x by already found distance |
---|
1831 | dist_dx = CEILING( l_wall(k,j,i) / dx ) |
---|
1832 | |
---|
1833 | ENDDO |
---|
1834 | |
---|
1835 | ENDIF !Check for any walls within vicinity |
---|
1836 | |
---|
1837 | ELSE !Check if (i,j,k) belongs to atmosphere |
---|
1838 | |
---|
1839 | l_wall(k,j,i) = l_black(k) |
---|
1840 | |
---|
1841 | ENDIF |
---|
1842 | |
---|
1843 | ENDDO !j loop |
---|
1844 | ENDDO !i loop |
---|
1845 | |
---|
1846 | DEALLOCATE( vicinity ) |
---|
1847 | DEALLOCATE( vic_yz ) |
---|
1848 | |
---|
1849 | ENDIF !check vertical size of vicinity |
---|
1850 | |
---|
1851 | ENDDO !k loop |
---|
1852 | |
---|
1853 | !$ACC ENTER DATA COPYIN(l_black(nzb:nzt+1)) |
---|
1854 | |
---|
1855 | ENDIF !LES or RANS mode |
---|
1856 | |
---|
1857 | ! |
---|
1858 | !-- Set lateral boundary conditions for l_wall |
---|
1859 | CALL exchange_horiz( l_wall, nbgp ) |
---|
1860 | |
---|
1861 | !$ACC ENTER DATA COPYIN(l_grid(nzb:nzt+1)) & |
---|
1862 | !$ACC COPYIN(l_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) |
---|
1863 | |
---|
1864 | CONTAINS |
---|
1865 | !------------------------------------------------------------------------------! |
---|
1866 | ! Description: |
---|
1867 | ! ------------ |
---|
1868 | !> Calculate the shortest distance between position (i/j/k)=(0/0/0) and |
---|
1869 | !> (pos_i/jj/kk), where (jj/kk) is the position of the maximum of 'array' |
---|
1870 | !> closest to the origin (0/0) of 'array'. |
---|
1871 | !------------------------------------------------------------------------------! |
---|
1872 | REAL(wp) FUNCTION shortest_distance( array, orientation, pos_i ) |
---|
1873 | |
---|
1874 | IMPLICIT NONE |
---|
1875 | |
---|
1876 | LOGICAL, INTENT(IN) :: orientation !< flag if array represents an array oriented upwards (true) or downwards (false) |
---|
1877 | |
---|
1878 | INTEGER(iwp), INTENT(IN) :: pos_i !< x position of the yz-plane 'array' |
---|
1879 | |
---|
1880 | INTEGER(iwp) :: a !< loop index |
---|
1881 | INTEGER(iwp) :: b !< loop index |
---|
1882 | INTEGER(iwp) :: jj !< loop index |
---|
1883 | |
---|
1884 | INTEGER(KIND=1) :: maximum !< maximum of array along z dimension |
---|
1885 | |
---|
1886 | INTEGER(iwp), DIMENSION(0:rad_j) :: loc_k !< location of closest wall along vertical dimension |
---|
1887 | |
---|
1888 | INTEGER(KIND=1), DIMENSION(0:rad_k+1,0:rad_j), INTENT(IN) :: array !< array containing a yz-plane at position pos_i |
---|
1889 | |
---|
1890 | ! |
---|
1891 | !-- Get coordinate of first maximum along vertical dimension |
---|
1892 | !-- at each y position of array (similar to function maxloc but more stable). |
---|
1893 | DO a = 0, rad_j |
---|
1894 | loc_k(a) = rad_k+1 |
---|
1895 | maximum = MAXVAL( array(:,a) ) |
---|
1896 | DO b = 0, rad_k+1 |
---|
1897 | IF ( array(b,a) == maximum ) THEN |
---|
1898 | loc_k(a) = b |
---|
1899 | EXIT |
---|
1900 | ENDIF |
---|
1901 | ENDDO |
---|
1902 | ENDDO |
---|
1903 | ! |
---|
1904 | !-- Set distance to the default maximum value (=search radius) |
---|
1905 | shortest_distance = radius |
---|
1906 | ! |
---|
1907 | !-- Calculate distance between position (0/0/0) and |
---|
1908 | !-- position (pos_i/jj/loc(jj)) and only save the shortest distance. |
---|
1909 | IF ( orientation ) THEN !if array is oriented upwards |
---|
1910 | DO jj = 0, rad_j |
---|
1911 | shortest_distance = & |
---|
1912 | MIN( shortest_distance, & |
---|
1913 | SQRT( MAX(REAL(pos_i, KIND=wp)*dx-0.5_wp*dx, 0.0_wp)**2 & |
---|
1914 | + MAX(REAL(jj, KIND=wp)*dy-0.5_wp*dy, 0.0_wp)**2 & |
---|
1915 | + MAX(zw(loc_k(jj)+k-1)-zu(k), 0.0_wp)**2 & |
---|
1916 | ) & |
---|
1917 | ) |
---|
1918 | ENDDO |
---|
1919 | ELSE !if array is oriented downwards |
---|
1920 | !> @note MAX within zw required to circumvent error at domain border |
---|
1921 | !> At the domain border, if non-cyclic boundary is present, the |
---|
1922 | !> index for zw could be -1, which will be errorneous (zw(-1) does |
---|
1923 | !> not exist). The MAX function limits the index to be at least 0. |
---|
1924 | DO jj = 0, rad_j |
---|
1925 | shortest_distance = & |
---|
1926 | MIN( shortest_distance, & |
---|
1927 | SQRT( MAX(REAL(pos_i, KIND=wp)*dx-0.5_wp*dx, 0.0_wp)**2 & |
---|
1928 | + MAX(REAL(jj, KIND=wp)*dy-0.5_wp*dy, 0.0_wp)**2 & |
---|
1929 | + MAX(zu(k)-zw(MAX(k-loc_k(jj),0_iwp)), 0.0_wp)**2 & |
---|
1930 | ) & |
---|
1931 | ) |
---|
1932 | ENDDO |
---|
1933 | ENDIF |
---|
1934 | |
---|
1935 | END FUNCTION |
---|
1936 | |
---|
1937 | !------------------------------------------------------------------------------! |
---|
1938 | ! Description: |
---|
1939 | ! ------------ |
---|
1940 | !> Copy a subarray of size (kb:kt,js:jn,il:ir) centered around grid point |
---|
1941 | !> (kp,jp,ip) containing the first bit of wall_flags_0 into the array |
---|
1942 | !> 'vicinity'. Only copy first bit as this indicates the presence of topography. |
---|
1943 | !------------------------------------------------------------------------------! |
---|
1944 | SUBROUTINE copy_into_vicinity( kp, jp, ip, kb, kt, js, jn, il, ir ) |
---|
1945 | |
---|
1946 | IMPLICIT NONE |
---|
1947 | |
---|
1948 | INTEGER(iwp), INTENT(IN) :: il !< left loop boundary |
---|
1949 | INTEGER(iwp), INTENT(IN) :: ip !< center position in x-direction |
---|
1950 | INTEGER(iwp), INTENT(IN) :: ir !< right loop boundary |
---|
1951 | INTEGER(iwp), INTENT(IN) :: jn !< northern loop boundary |
---|
1952 | INTEGER(iwp), INTENT(IN) :: jp !< center position in y-direction |
---|
1953 | INTEGER(iwp), INTENT(IN) :: js !< southern loop boundary |
---|
1954 | INTEGER(iwp), INTENT(IN) :: kb !< bottom loop boundary |
---|
1955 | INTEGER(iwp), INTENT(IN) :: kp !< center position in z-direction |
---|
1956 | INTEGER(iwp), INTENT(IN) :: kt !< top loop boundary |
---|
1957 | |
---|
1958 | INTEGER(iwp) :: i !< loop index |
---|
1959 | INTEGER(iwp) :: j !< loop index |
---|
1960 | INTEGER(iwp) :: k !< loop index |
---|
1961 | |
---|
1962 | DO i = il, ir |
---|
1963 | DO j = js, jn |
---|
1964 | DO k = kb, kt |
---|
1965 | vicinity(k,j,i) = MERGE( 0, 1, & |
---|
1966 | BTEST( wall_flags_0(kp+k,jp+j,ip+i), 0 ) ) |
---|
1967 | ENDDO |
---|
1968 | ENDDO |
---|
1969 | ENDDO |
---|
1970 | |
---|
1971 | END SUBROUTINE copy_into_vicinity |
---|
1972 | |
---|
1973 | END SUBROUTINE tcm_init_mixing_length |
---|
1974 | |
---|
1975 | |
---|
1976 | !------------------------------------------------------------------------------! |
---|
1977 | ! Description: |
---|
1978 | ! ------------ |
---|
1979 | !> Initialize virtual velocities used later in production_e. |
---|
1980 | !------------------------------------------------------------------------------! |
---|
1981 | SUBROUTINE production_e_init |
---|
1982 | |
---|
1983 | USE arrays_3d, & |
---|
1984 | ONLY: drho_air_zw, zu |
---|
1985 | |
---|
1986 | USE control_parameters, & |
---|
1987 | ONLY: constant_flux_layer |
---|
1988 | |
---|
1989 | USE surface_layer_fluxes_mod, & |
---|
1990 | ONLY: phi_m |
---|
1991 | |
---|
1992 | IMPLICIT NONE |
---|
1993 | |
---|
1994 | INTEGER(iwp) :: i !< grid index x-direction |
---|
1995 | INTEGER(iwp) :: j !< grid index y-direction |
---|
1996 | INTEGER(iwp) :: k !< grid index z-direction |
---|
1997 | INTEGER(iwp) :: m !< running index surface elements |
---|
1998 | |
---|
1999 | REAL(wp) :: km_sfc !< diffusion coefficient, used to compute virtual velocities |
---|
2000 | |
---|
2001 | IF ( constant_flux_layer ) THEN |
---|
2002 | ! |
---|
2003 | !-- Calculate a virtual velocity at the surface in a way that the |
---|
2004 | !-- vertical velocity gradient at k = 1 (u(k+1)-u_0) matches the |
---|
2005 | !-- Prandtl law (-w'u'/km). This gradient is used in the TKE shear |
---|
2006 | !-- production term at k=1 (see production_e_ij). |
---|
2007 | !-- The velocity gradient has to be limited in case of too small km |
---|
2008 | !-- (otherwise the timestep may be significantly reduced by large |
---|
2009 | !-- surface winds). |
---|
2010 | !-- not available in case of non-cyclic boundary conditions. |
---|
2011 | !-- Default surfaces, upward-facing |
---|
2012 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
2013 | !$ACC PARALLEL LOOP PRIVATE(i, j, k, m, km_sfc) & |
---|
2014 | !$ACC PRESENT(surf_def_h(0), u, v, drho_air_zw, zu) |
---|
2015 | DO m = 1, surf_def_h(0)%ns |
---|
2016 | |
---|
2017 | i = surf_def_h(0)%i(m) |
---|
2018 | j = surf_def_h(0)%j(m) |
---|
2019 | k = surf_def_h(0)%k(m) |
---|
2020 | ! |
---|
2021 | !-- Note, calculation of u_0 and v_0 is not fully accurate, as u/v |
---|
2022 | !-- and km are not on the same grid. Actually, a further |
---|
2023 | !-- interpolation of km onto the u/v-grid is necessary. However, the |
---|
2024 | !-- effect of this error is negligible. |
---|
2025 | km_sfc = kappa * surf_def_h(0)%us(m) * surf_def_h(0)%z_mo(m) / & |
---|
2026 | phi_m( surf_def_h(0)%z_mo(m) / surf_def_h(0)%ol(m) ) |
---|
2027 | |
---|
2028 | surf_def_h(0)%u_0(m) = u(k+1,j,i) + surf_def_h(0)%usws(m) * & |
---|
2029 | drho_air_zw(k-1) * & |
---|
2030 | ( zu(k+1) - zu(k-1) ) / & |
---|
2031 | ( km_sfc + 1.0E-20_wp ) |
---|
2032 | surf_def_h(0)%v_0(m) = v(k+1,j,i) + surf_def_h(0)%vsws(m) * & |
---|
2033 | drho_air_zw(k-1) * & |
---|
2034 | ( zu(k+1) - zu(k-1) ) / & |
---|
2035 | ( km_sfc + 1.0E-20_wp ) |
---|
2036 | |
---|
2037 | IF ( ABS( u(k+1,j,i) - surf_def_h(0)%u_0(m) ) > & |
---|
2038 | ABS( u(k+1,j,i) - u(k-1,j,i) ) & |
---|
2039 | ) surf_def_h(0)%u_0(m) = u(k-1,j,i) |
---|
2040 | |
---|
2041 | IF ( ABS( v(k+1,j,i) - surf_def_h(0)%v_0(m) ) > & |
---|
2042 | ABS( v(k+1,j,i) - v(k-1,j,i) ) & |
---|
2043 | ) surf_def_h(0)%v_0(m) = v(k-1,j,i) |
---|
2044 | |
---|
2045 | ENDDO |
---|
2046 | ! |
---|
2047 | !-- Default surfaces, downward-facing surfaces |
---|
2048 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
2049 | !$ACC PARALLEL LOOP PRIVATE(i, j, k, m, km_sfc) & |
---|
2050 | !$ACC PRESENT(surf_def_h(1), u, v, drho_air_zw, zu, km) |
---|
2051 | DO m = 1, surf_def_h(1)%ns |
---|
2052 | |
---|
2053 | i = surf_def_h(1)%i(m) |
---|
2054 | j = surf_def_h(1)%j(m) |
---|
2055 | k = surf_def_h(1)%k(m) |
---|
2056 | ! |
---|
2057 | !-- Note, calculation of u_0 and v_0 is not fully accurate, as u/v |
---|
2058 | !-- and km are not on the same grid. Actually, a further |
---|
2059 | !-- interpolation of km onto the u/v-grid is necessary. However, the |
---|
2060 | !-- effect of this error is negligible. |
---|
2061 | surf_def_h(1)%u_0(m) = u(k-1,j,i) - surf_def_h(1)%usws(m) * & |
---|
2062 | drho_air_zw(k-1) * & |
---|
2063 | ( zu(k+1) - zu(k-1) ) / & |
---|
2064 | ( km(k,j,i) + 1.0E-20_wp ) |
---|
2065 | surf_def_h(1)%v_0(m) = v(k-1,j,i) - surf_def_h(1)%vsws(m) * & |
---|
2066 | drho_air_zw(k-1) * & |
---|
2067 | ( zu(k+1) - zu(k-1) ) / & |
---|
2068 | ( km(k,j,i) + 1.0E-20_wp ) |
---|
2069 | |
---|
2070 | IF ( ABS( surf_def_h(1)%u_0(m) - u(k-1,j,i) ) > & |
---|
2071 | ABS( u(k+1,j,i) - u(k-1,j,i) ) & |
---|
2072 | ) surf_def_h(1)%u_0(m) = u(k+1,j,i) |
---|
2073 | |
---|
2074 | IF ( ABS( surf_def_h(1)%v_0(m) - v(k-1,j,i) ) > & |
---|
2075 | ABS( v(k+1,j,i) - v(k-1,j,i) ) & |
---|
2076 | ) surf_def_h(1)%v_0(m) = v(k+1,j,i) |
---|
2077 | |
---|
2078 | ENDDO |
---|
2079 | ! |
---|
2080 | !-- Natural surfaces, upward-facing |
---|
2081 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
2082 | !$ACC PARALLEL LOOP PRIVATE(i, j, k, m, km_sfc) & |
---|
2083 | !$ACC PRESENT(surf_lsm_h, u, v, drho_air_zw, zu) |
---|
2084 | DO m = 1, surf_lsm_h%ns |
---|
2085 | |
---|
2086 | i = surf_lsm_h%i(m) |
---|
2087 | j = surf_lsm_h%j(m) |
---|
2088 | k = surf_lsm_h%k(m) |
---|
2089 | ! |
---|
2090 | !-- Note, calculation of u_0 and v_0 is not fully accurate, as u/v |
---|
2091 | !-- and km are not on the same grid. Actually, a further |
---|
2092 | !-- interpolation of km onto the u/v-grid is necessary. However, the |
---|
2093 | !-- effect of this error is negligible. |
---|
2094 | km_sfc = kappa * surf_lsm_h%us(m) * surf_lsm_h%z_mo(m) / & |
---|
2095 | phi_m( surf_lsm_h%z_mo(m) / surf_lsm_h%ol(m) ) |
---|
2096 | |
---|
2097 | surf_lsm_h%u_0(m) = u(k+1,j,i) + surf_lsm_h%usws(m) * & |
---|
2098 | drho_air_zw(k-1) * & |
---|
2099 | ( zu(k+1) - zu(k-1) ) / & |
---|
2100 | ( km_sfc + 1.0E-20_wp ) |
---|
2101 | surf_lsm_h%v_0(m) = v(k+1,j,i) + surf_lsm_h%vsws(m) * & |
---|
2102 | drho_air_zw(k-1) * & |
---|
2103 | ( zu(k+1) - zu(k-1) ) / & |
---|
2104 | ( km_sfc + 1.0E-20_wp ) |
---|
2105 | |
---|
2106 | IF ( ABS( u(k+1,j,i) - surf_lsm_h%u_0(m) ) > & |
---|
2107 | ABS( u(k+1,j,i) - u(k-1,j,i) ) & |
---|
2108 | ) surf_lsm_h%u_0(m) = u(k-1,j,i) |
---|
2109 | |
---|
2110 | IF ( ABS( v(k+1,j,i) - surf_lsm_h%v_0(m) ) > & |
---|
2111 | ABS( v(k+1,j,i) - v(k-1,j,i) ) & |
---|
2112 | ) surf_lsm_h%v_0(m) = v(k-1,j,i) |
---|
2113 | |
---|
2114 | ENDDO |
---|
2115 | ! |
---|
2116 | !-- Urban surfaces, upward-facing |
---|
2117 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
2118 | !$ACC PARALLEL LOOP PRIVATE(i, j, k, m, km_sfc) & |
---|
2119 | !$ACC PRESENT(surf_usm_h, u, v, drho_air_zw, zu) |
---|
2120 | DO m = 1, surf_usm_h%ns |
---|
2121 | |
---|
2122 | i = surf_usm_h%i(m) |
---|
2123 | j = surf_usm_h%j(m) |
---|
2124 | k = surf_usm_h%k(m) |
---|
2125 | ! |
---|
2126 | !-- Note, calculation of u_0 and v_0 is not fully accurate, as u/v |
---|
2127 | !-- and km are not on the same grid. Actually, a further |
---|
2128 | !-- interpolation of km onto the u/v-grid is necessary. However, the |
---|
2129 | !-- effect of this error is negligible. |
---|
2130 | km_sfc = kappa * surf_usm_h%us(m) * surf_usm_h%z_mo(m) / & |
---|
2131 | phi_m( surf_usm_h%z_mo(m) / surf_usm_h%ol(m) ) |
---|
2132 | |
---|
2133 | surf_usm_h%u_0(m) = u(k+1,j,i) + surf_usm_h%usws(m) * & |
---|
2134 | drho_air_zw(k-1) * & |
---|
2135 | ( zu(k+1) - zu(k-1) ) / & |
---|
2136 | ( km_sfc + 1.0E-20_wp ) |
---|
2137 | surf_usm_h%v_0(m) = v(k+1,j,i) + surf_usm_h%vsws(m) * & |
---|
2138 | drho_air_zw(k-1) * & |
---|
2139 | ( zu(k+1) - zu(k-1) ) / & |
---|
2140 | ( km_sfc + 1.0E-20_wp ) |
---|
2141 | |
---|
2142 | IF ( ABS( u(k+1,j,i) - surf_usm_h%u_0(m) ) > & |
---|
2143 | ABS( u(k+1,j,i) - u(k-1,j,i) ) & |
---|
2144 | ) surf_usm_h%u_0(m) = u(k-1,j,i) |
---|
2145 | |
---|
2146 | IF ( ABS( v(k+1,j,i) - surf_usm_h%v_0(m) ) > & |
---|
2147 | ABS( v(k+1,j,i) - v(k-1,j,i) ) & |
---|
2148 | ) surf_usm_h%v_0(m) = v(k-1,j,i) |
---|
2149 | |
---|
2150 | ENDDO |
---|
2151 | |
---|
2152 | ENDIF |
---|
2153 | |
---|
2154 | END SUBROUTINE production_e_init |
---|
2155 | |
---|
2156 | |
---|
2157 | !--------------------------------------------------------------------------------------------------! |
---|
2158 | ! Description: |
---|
2159 | ! ------------ |
---|
2160 | !> Execute module-specific actions for all grid points |
---|
2161 | !--------------------------------------------------------------------------------------------------! |
---|
2162 | SUBROUTINE tcm_actions( location ) |
---|
2163 | |
---|
2164 | |
---|
2165 | CHARACTER (LEN=*) :: location !< |
---|
2166 | |
---|
2167 | ! INTEGER(iwp) :: i !< |
---|
2168 | ! INTEGER(iwp) :: j !< |
---|
2169 | ! INTEGER(iwp) :: k !< |
---|
2170 | |
---|
2171 | ! |
---|
2172 | !-- Here the module-specific actions follow |
---|
2173 | !-- No calls for single grid points are allowed at locations before and |
---|
2174 | !-- after the timestep, since these calls are not within an i,j-loop |
---|
2175 | SELECT CASE ( location ) |
---|
2176 | |
---|
2177 | CASE ( 'before_timestep' ) |
---|
2178 | |
---|
2179 | |
---|
2180 | CASE ( 'before_prognostic_equations' ) |
---|
2181 | |
---|
2182 | IF ( .NOT. constant_diffusion ) CALL production_e_init |
---|
2183 | |
---|
2184 | |
---|
2185 | CASE ( 'after_integration' ) |
---|
2186 | |
---|
2187 | |
---|
2188 | CASE ( 'after_timestep' ) |
---|
2189 | |
---|
2190 | |
---|
2191 | CASE ( 'u-tendency' ) |
---|
2192 | |
---|
2193 | |
---|
2194 | CASE ( 'v-tendency' ) |
---|
2195 | |
---|
2196 | |
---|
2197 | CASE ( 'w-tendency' ) |
---|
2198 | |
---|
2199 | |
---|
2200 | CASE ( 'pt-tendency' ) |
---|
2201 | |
---|
2202 | |
---|
2203 | CASE ( 'sa-tendency' ) |
---|
2204 | |
---|
2205 | |
---|
2206 | CASE ( 'e-tendency' ) |
---|
2207 | |
---|
2208 | |
---|
2209 | CASE ( 'q-tendency' ) |
---|
2210 | |
---|
2211 | |
---|
2212 | CASE ( 's-tendency' ) |
---|
2213 | |
---|
2214 | |
---|
2215 | CASE DEFAULT |
---|
2216 | CONTINUE |
---|
2217 | |
---|
2218 | END SELECT |
---|
2219 | |
---|
2220 | END SUBROUTINE tcm_actions |
---|
2221 | |
---|
2222 | |
---|
2223 | !--------------------------------------------------------------------------------------------------! |
---|
2224 | ! Description: |
---|
2225 | ! ------------ |
---|
2226 | !> Execute module-specific actions for grid point i,j |
---|
2227 | !--------------------------------------------------------------------------------------------------! |
---|
2228 | SUBROUTINE tcm_actions_ij( i, j, location ) |
---|
2229 | |
---|
2230 | |
---|
2231 | CHARACTER (LEN=*) :: location |
---|
2232 | |
---|
2233 | INTEGER(iwp) :: i |
---|
2234 | INTEGER(iwp) :: j |
---|
2235 | |
---|
2236 | ! |
---|
2237 | !-- Here the module-specific actions follow |
---|
2238 | SELECT CASE ( location ) |
---|
2239 | |
---|
2240 | CASE ( 'u-tendency' ) |
---|
2241 | |
---|
2242 | !-- Next line is to avoid compiler warning about unused variables. Please remove. |
---|
2243 | IF ( i + j < 0 ) CONTINUE |
---|
2244 | |
---|
2245 | CASE ( 'v-tendency' ) |
---|
2246 | |
---|
2247 | |
---|
2248 | CASE ( 'w-tendency' ) |
---|
2249 | |
---|
2250 | |
---|
2251 | CASE ( 'pt-tendency' ) |
---|
2252 | |
---|
2253 | |
---|
2254 | CASE ( 'sa-tendency' ) |
---|
2255 | |
---|
2256 | |
---|
2257 | CASE ( 'e-tendency' ) |
---|
2258 | |
---|
2259 | |
---|
2260 | CASE ( 'q-tendency' ) |
---|
2261 | |
---|
2262 | |
---|
2263 | CASE ( 's-tendency' ) |
---|
2264 | |
---|
2265 | |
---|
2266 | CASE DEFAULT |
---|
2267 | CONTINUE |
---|
2268 | |
---|
2269 | END SELECT |
---|
2270 | |
---|
2271 | END SUBROUTINE tcm_actions_ij |
---|
2272 | |
---|
2273 | |
---|
2274 | !------------------------------------------------------------------------------! |
---|
2275 | ! Description: |
---|
2276 | ! ------------ |
---|
2277 | !> Prognostic equation for subgrid-scale TKE and TKE dissipation rate. |
---|
2278 | !> Vector-optimized version |
---|
2279 | !------------------------------------------------------------------------------! |
---|
2280 | SUBROUTINE tcm_prognostic_equations |
---|
2281 | |
---|
2282 | USE control_parameters, & |
---|
2283 | ONLY: scalar_advec, tsc |
---|
2284 | |
---|
2285 | IMPLICIT NONE |
---|
2286 | |
---|
2287 | INTEGER(iwp) :: i !< loop index |
---|
2288 | INTEGER(iwp) :: j !< loop index |
---|
2289 | INTEGER(iwp) :: k !< loop index |
---|
2290 | |
---|
2291 | REAL(wp) :: sbt !< wheighting factor for sub-time step |
---|
2292 | |
---|
2293 | ! |
---|
2294 | !-- If required, compute prognostic equation for turbulent kinetic |
---|
2295 | !-- energy (TKE) |
---|
2296 | IF ( .NOT. constant_diffusion ) THEN |
---|
2297 | |
---|
2298 | CALL cpu_log( log_point_s(67), 'tke-equation', 'start' ) |
---|
2299 | |
---|
2300 | sbt = tsc(2) |
---|
2301 | IF ( .NOT. use_upstream_for_tke ) THEN |
---|
2302 | IF ( scalar_advec == 'bc-scheme' ) THEN |
---|
2303 | |
---|
2304 | IF ( timestep_scheme(1:5) /= 'runge' ) THEN |
---|
2305 | ! |
---|
2306 | !-- Bott-Chlond scheme always uses Euler time step. Thus: |
---|
2307 | sbt = 1.0_wp |
---|
2308 | ENDIF |
---|
2309 | tend = 0.0_wp |
---|
2310 | CALL advec_s_bc( e, 'e' ) |
---|
2311 | |
---|
2312 | ENDIF |
---|
2313 | ENDIF |
---|
2314 | |
---|
2315 | ! |
---|
2316 | !-- TKE-tendency terms with no communication |
---|
2317 | IF ( scalar_advec /= 'bc-scheme' .OR. use_upstream_for_tke ) THEN |
---|
2318 | IF ( use_upstream_for_tke ) THEN |
---|
2319 | tend = 0.0_wp |
---|
2320 | CALL advec_s_up( e ) |
---|
2321 | ELSE |
---|
2322 | !$ACC KERNELS PRESENT(tend) |
---|
2323 | tend = 0.0_wp |
---|
2324 | !$ACC END KERNELS |
---|
2325 | IF ( timestep_scheme(1:5) == 'runge' ) THEN |
---|
2326 | IF ( ws_scheme_sca ) THEN |
---|
2327 | CALL advec_s_ws( e, 'e' ) |
---|
2328 | ELSE |
---|
2329 | CALL advec_s_pw( e ) |
---|
2330 | ENDIF |
---|
2331 | ELSE |
---|
2332 | CALL advec_s_up( e ) |
---|
2333 | ENDIF |
---|
2334 | ENDIF |
---|
2335 | ENDIF |
---|
2336 | |
---|
2337 | CALL production_e( .FALSE. ) |
---|
2338 | |
---|
2339 | IF ( .NOT. humidity ) THEN |
---|
2340 | IF ( ocean_mode ) THEN |
---|
2341 | CALL diffusion_e( prho, prho_reference ) |
---|
2342 | ELSE |
---|
2343 | CALL diffusion_e( pt, pt_reference ) |
---|
2344 | ENDIF |
---|
2345 | ELSE |
---|
2346 | CALL diffusion_e( vpt, pt_reference ) |
---|
2347 | ENDIF |
---|
2348 | |
---|
2349 | ! |
---|
2350 | !-- Additional sink term for flows through plant canopies |
---|
2351 | IF ( plant_canopy ) CALL pcm_tendency( 6 ) |
---|
2352 | |
---|
2353 | ! CALL user_actions( 'e-tendency' ) ToDo: find general solution for circular dependency between modules |
---|
2354 | |
---|
2355 | ! |
---|
2356 | !-- Prognostic equation for TKE. |
---|
2357 | !-- Eliminate negative TKE values, which can occur due to numerical |
---|
2358 | !-- reasons in the course of the integration. In such cases the old TKE |
---|
2359 | !-- value is reduced by 90%. |
---|
2360 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) & |
---|
2361 | !$ACC PRESENT(e, tend, te_m, wall_flags_0) & |
---|
2362 | !$ACC PRESENT(tsc(3:3)) & |
---|
2363 | !$ACC PRESENT(e_p) |
---|
2364 | DO i = nxl, nxr |
---|
2365 | DO j = nys, nyn |
---|
2366 | DO k = nzb+1, nzt |
---|
2367 | e_p(k,j,i) = e(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + & |
---|
2368 | tsc(3) * te_m(k,j,i) ) & |
---|
2369 | ) & |
---|
2370 | * MERGE( 1.0_wp, 0.0_wp, & |
---|
2371 | BTEST( wall_flags_0(k,j,i), 0 ) & |
---|
2372 | ) |
---|
2373 | IF ( e_p(k,j,i) < 0.0_wp ) e_p(k,j,i) = 0.1_wp * e(k,j,i) |
---|
2374 | ENDDO |
---|
2375 | ENDDO |
---|
2376 | ENDDO |
---|
2377 | |
---|
2378 | ! |
---|
2379 | !-- Calculate tendencies for the next Runge-Kutta step |
---|
2380 | IF ( timestep_scheme(1:5) == 'runge' ) THEN |
---|
2381 | IF ( intermediate_timestep_count == 1 ) THEN |
---|
2382 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) & |
---|
2383 | !$ACC PRESENT(tend, te_m) |
---|
2384 | DO i = nxl, nxr |
---|
2385 | DO j = nys, nyn |
---|
2386 | DO k = nzb+1, nzt |
---|
2387 | te_m(k,j,i) = tend(k,j,i) |
---|
2388 | ENDDO |
---|
2389 | ENDDO |
---|
2390 | ENDDO |
---|
2391 | ELSEIF ( intermediate_timestep_count < & |
---|
2392 | intermediate_timestep_count_max ) THEN |
---|
2393 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) & |
---|
2394 | !$ACC PRESENT(tend, te_m) |
---|
2395 | DO i = nxl, nxr |
---|
2396 | DO j = nys, nyn |
---|
2397 | DO k = nzb+1, nzt |
---|
2398 | te_m(k,j,i) = -9.5625_wp * tend(k,j,i) & |
---|
2399 | + 5.3125_wp * te_m(k,j,i) |
---|
2400 | ENDDO |
---|
2401 | ENDDO |
---|
2402 | ENDDO |
---|
2403 | ENDIF |
---|
2404 | ENDIF |
---|
2405 | |
---|
2406 | CALL cpu_log( log_point_s(67), 'tke-equation', 'stop' ) |
---|
2407 | |
---|
2408 | ENDIF ! TKE equation |
---|
2409 | |
---|
2410 | ! |
---|
2411 | !-- If required, compute prognostic equation for TKE dissipation rate |
---|
2412 | IF ( rans_tke_e ) THEN |
---|
2413 | |
---|
2414 | CALL cpu_log( log_point_s(64), 'diss-equation', 'start' ) |
---|
2415 | |
---|
2416 | sbt = tsc(2) |
---|
2417 | IF ( .NOT. use_upstream_for_tke ) THEN |
---|
2418 | IF ( scalar_advec == 'bc-scheme' ) THEN |
---|
2419 | |
---|
2420 | IF ( timestep_scheme(1:5) /= 'runge' ) THEN |
---|
2421 | ! |
---|
2422 | !-- Bott-Chlond scheme always uses Euler time step. Thus: |
---|
2423 | sbt = 1.0_wp |
---|
2424 | ENDIF |
---|
2425 | tend = 0.0_wp |
---|
2426 | CALL advec_s_bc( diss, 'diss' ) |
---|
2427 | |
---|
2428 | ENDIF |
---|
2429 | ENDIF |
---|
2430 | |
---|
2431 | ! |
---|
2432 | !-- dissipation-tendency terms with no communication |
---|
2433 | IF ( scalar_advec /= 'bc-scheme' .OR. use_upstream_for_tke ) THEN |
---|
2434 | IF ( use_upstream_for_tke ) THEN |
---|
2435 | tend = 0.0_wp |
---|
2436 | CALL advec_s_up( diss ) |
---|
2437 | ELSE |
---|
2438 | tend = 0.0_wp |
---|
2439 | IF ( timestep_scheme(1:5) == 'runge' ) THEN |
---|
2440 | IF ( ws_scheme_sca ) THEN |
---|
2441 | CALL advec_s_ws( diss, 'diss' ) |
---|
2442 | ELSE |
---|
2443 | CALL advec_s_pw( diss ) |
---|
2444 | ENDIF |
---|
2445 | ELSE |
---|
2446 | CALL advec_s_up( diss ) |
---|
2447 | ENDIF |
---|
2448 | ENDIF |
---|
2449 | ENDIF |
---|
2450 | ! |
---|
2451 | !-- Production of TKE dissipation rate |
---|
2452 | CALL production_e( .TRUE. ) |
---|
2453 | ! |
---|
2454 | !-- Diffusion term of TKE dissipation rate |
---|
2455 | CALL diffusion_diss |
---|
2456 | ! |
---|
2457 | !-- Additional sink term for flows through plant canopies |
---|
2458 | ! IF ( plant_canopy ) CALL pcm_tendency( ? ) !> @todo not yet implemented |
---|
2459 | |
---|
2460 | ! CALL user_actions( 'e-tendency' ) ToDo: find general solution for circular dependency between modules |
---|
2461 | |
---|
2462 | ! |
---|
2463 | !-- Prognostic equation for TKE dissipation. |
---|
2464 | !-- Eliminate negative dissipation values, which can occur due to numerical |
---|
2465 | !-- reasons in the course of the integration. In such cases the old |
---|
2466 | !-- dissipation value is reduced by 90%. |
---|
2467 | DO i = nxl, nxr |
---|
2468 | DO j = nys, nyn |
---|
2469 | DO k = nzb+1, nzt |
---|
2470 | diss_p(k,j,i) = diss(k,j,i) + ( dt_3d * ( sbt * tend(k,j,i) + & |
---|
2471 | tsc(3) * tdiss_m(k,j,i) ) & |
---|
2472 | ) & |
---|
2473 | * MERGE( 1.0_wp, 0.0_wp, & |
---|
2474 | BTEST( wall_flags_0(k,j,i), 0 ) & |
---|
2475 | ) |
---|
2476 | IF ( diss_p(k,j,i) < 0.0_wp ) & |
---|
2477 | diss_p(k,j,i) = 0.1_wp * diss(k,j,i) |
---|
2478 | ENDDO |
---|
2479 | ENDDO |
---|
2480 | ENDDO |
---|
2481 | |
---|
2482 | ! |
---|
2483 | !-- Calculate tendencies for the next Runge-Kutta step |
---|
2484 | IF ( timestep_scheme(1:5) == 'runge' ) THEN |
---|
2485 | IF ( intermediate_timestep_count == 1 ) THEN |
---|
2486 | DO i = nxl, nxr |
---|
2487 | DO j = nys, nyn |
---|
2488 | DO k = nzb+1, nzt |
---|
2489 | tdiss_m(k,j,i) = tend(k,j,i) |
---|
2490 | ENDDO |
---|
2491 | ENDDO |
---|
2492 | ENDDO |
---|
2493 | ELSEIF ( intermediate_timestep_count < & |
---|
2494 | intermediate_timestep_count_max ) THEN |
---|
2495 | DO i = nxl, nxr |
---|
2496 | DO j = nys, nyn |
---|
2497 | DO k = nzb+1, nzt |
---|
2498 | tdiss_m(k,j,i) = -9.5625_wp * tend(k,j,i) & |
---|
2499 | + 5.3125_wp * tdiss_m(k,j,i) |
---|
2500 | ENDDO |
---|
2501 | ENDDO |
---|
2502 | ENDDO |
---|
2503 | ENDIF |
---|
2504 | ENDIF |
---|
2505 | |
---|
2506 | CALL cpu_log( log_point_s(64), 'diss-equation', 'stop' ) |
---|
2507 | |
---|
2508 | ENDIF |
---|
2509 | |
---|
2510 | END SUBROUTINE tcm_prognostic_equations |
---|
2511 | |
---|
2512 | |
---|
2513 | !------------------------------------------------------------------------------! |
---|
2514 | ! Description: |
---|
2515 | ! ------------ |
---|
2516 | !> Prognostic equation for subgrid-scale TKE and TKE dissipation rate. |
---|
2517 | !> Cache-optimized version |
---|
2518 | !------------------------------------------------------------------------------! |
---|
2519 | SUBROUTINE tcm_prognostic_equations_ij( i, j, i_omp, tn ) |
---|
2520 | |
---|
2521 | USE arrays_3d, & |
---|
2522 | ONLY: diss_l_diss, diss_l_e, diss_s_diss, diss_s_e, flux_l_diss, & |
---|
2523 | flux_l_e, flux_s_diss, flux_s_e |
---|
2524 | |
---|
2525 | USE control_parameters, & |
---|
2526 | ONLY: tsc |
---|
2527 | |
---|
2528 | IMPLICIT NONE |
---|
2529 | |
---|
2530 | INTEGER(iwp) :: i !< loop index x direction |
---|
2531 | INTEGER(iwp) :: i_omp !< first loop index of i-loop in prognostic_equations |
---|
2532 | INTEGER(iwp) :: j !< loop index y direction |
---|
2533 | INTEGER(iwp) :: k !< loop index z direction |
---|
2534 | INTEGER(iwp) :: tn !< task number of openmp task |
---|
2535 | |
---|
2536 | ! |
---|
2537 | !-- If required, compute prognostic equation for turbulent kinetic |
---|
2538 | !-- energy (TKE) |
---|
2539 | IF ( .NOT. constant_diffusion ) THEN |
---|
2540 | |
---|
2541 | ! |
---|
2542 | !-- Tendency-terms for TKE |
---|
2543 | tend(:,j,i) = 0.0_wp |
---|
2544 | IF ( timestep_scheme(1:5) == 'runge' & |
---|
2545 | .AND. .NOT. use_upstream_for_tke ) THEN |
---|
2546 | IF ( ws_scheme_sca ) THEN |
---|
2547 | CALL advec_s_ws( i, j, e, 'e', flux_s_e, diss_s_e, & |
---|
2548 | flux_l_e, diss_l_e , i_omp, tn ) |
---|
2549 | ELSE |
---|
2550 | CALL advec_s_pw( i, j, e ) |
---|
2551 | ENDIF |
---|
2552 | ELSE |
---|
2553 | CALL advec_s_up( i, j, e ) |
---|
2554 | ENDIF |
---|
2555 | |
---|
2556 | CALL production_e_ij( i, j, .FALSE. ) |
---|
2557 | |
---|
2558 | IF ( .NOT. humidity ) THEN |
---|
2559 | IF ( ocean_mode ) THEN |
---|
2560 | CALL diffusion_e_ij( i, j, prho, prho_reference ) |
---|
2561 | ELSE |
---|
2562 | CALL diffusion_e_ij( i, j, pt, pt_reference ) |
---|
2563 | ENDIF |
---|
2564 | ELSE |
---|
2565 | CALL diffusion_e_ij( i, j, vpt, pt_reference ) |
---|
2566 | ENDIF |
---|
2567 | |
---|
2568 | ! |
---|
2569 | !-- Additional sink term for flows through plant canopies |
---|
2570 | IF ( plant_canopy ) CALL pcm_tendency( i, j, 6 ) |
---|
2571 | |
---|
2572 | ! CALL user_actions( i, j, 'e-tendency' ) ToDo: find general solution for circular dependency between modules |
---|
2573 | |
---|
2574 | ! |
---|
2575 | !-- Prognostic equation for TKE. |
---|
2576 | !-- Eliminate negative TKE values, which can occur due to numerical |
---|
2577 | !-- reasons in the course of the integration. In such cases the old |
---|
2578 | !-- TKE value is reduced by 90%. |
---|
2579 | DO k = nzb+1, nzt |
---|
2580 | e_p(k,j,i) = e(k,j,i) + ( dt_3d * ( tsc(2) * tend(k,j,i) + & |
---|
2581 | tsc(3) * te_m(k,j,i) ) & |
---|
2582 | ) & |
---|
2583 | * MERGE( 1.0_wp, 0.0_wp, & |
---|
2584 | BTEST( wall_flags_0(k,j,i), 0 ) & |
---|
2585 | ) |
---|
2586 | IF ( e_p(k,j,i) <= 0.0_wp ) e_p(k,j,i) = 0.1_wp * e(k,j,i) |
---|
2587 | ENDDO |
---|
2588 | |
---|
2589 | ! |
---|
2590 | !-- Calculate tendencies for the next Runge-Kutta step |
---|
2591 | IF ( timestep_scheme(1:5) == 'runge' ) THEN |
---|
2592 | IF ( intermediate_timestep_count == 1 ) THEN |
---|
2593 | DO k = nzb+1, nzt |
---|
2594 | te_m(k,j,i) = tend(k,j,i) |
---|
2595 | ENDDO |
---|
2596 | ELSEIF ( intermediate_timestep_count < & |
---|
2597 | intermediate_timestep_count_max ) THEN |
---|
2598 | DO k = nzb+1, nzt |
---|
2599 | te_m(k,j,i) = -9.5625_wp * tend(k,j,i) + & |
---|
2600 | 5.3125_wp * te_m(k,j,i) |
---|
2601 | ENDDO |
---|
2602 | ENDIF |
---|
2603 | ENDIF |
---|
2604 | |
---|
2605 | ENDIF ! TKE equation |
---|
2606 | |
---|
2607 | ! |
---|
2608 | !-- If required, compute prognostic equation for TKE dissipation rate |
---|
2609 | IF ( rans_tke_e ) THEN |
---|
2610 | ! |
---|
2611 | !-- Tendency-terms for dissipation |
---|
2612 | tend(:,j,i) = 0.0_wp |
---|
2613 | IF ( timestep_scheme(1:5) == 'runge' & |
---|
2614 | .AND. .NOT. use_upstream_for_tke ) THEN |
---|
2615 | IF ( ws_scheme_sca ) THEN |
---|
2616 | CALL advec_s_ws( i, j, diss, 'diss', flux_s_diss, diss_s_diss, & |
---|
2617 | flux_l_diss, diss_l_diss, i_omp, tn ) |
---|
2618 | ELSE |
---|
2619 | CALL advec_s_pw( i, j, diss ) |
---|
2620 | ENDIF |
---|
2621 | ELSE |
---|
2622 | CALL advec_s_up( i, j, diss ) |
---|
2623 | ENDIF |
---|
2624 | ! |
---|
2625 | !-- Production of TKE dissipation rate |
---|
2626 | CALL production_e_ij( i, j, .TRUE. ) |
---|
2627 | ! |
---|
2628 | !-- Diffusion term of TKE dissipation rate |
---|
2629 | CALL diffusion_diss_ij( i, j ) |
---|
2630 | ! |
---|
2631 | !-- Additional sink term for flows through plant canopies |
---|
2632 | ! IF ( plant_canopy ) CALL pcm_tendency( i, j, ? ) !> @todo not yet implemented |
---|
2633 | |
---|
2634 | ! CALL user_actions( i, j, 'diss-tendency' ) ToDo: find general solution for circular dependency between modules |
---|
2635 | |
---|
2636 | ! |
---|
2637 | !-- Prognostic equation for TKE dissipation |
---|
2638 | !-- Eliminate negative dissipation values, which can occur due to |
---|
2639 | !-- numerical reasons in the course of the integration. In such cases |
---|
2640 | !-- the old dissipation value is reduced by 90%. |
---|
2641 | DO k = nzb+1, nzt |
---|
2642 | diss_p(k,j,i) = diss(k,j,i) + ( dt_3d * ( tsc(2) * tend(k,j,i) + & |
---|
2643 | tsc(3) * tdiss_m(k,j,i) ) & |
---|
2644 | ) & |
---|
2645 | * MERGE( 1.0_wp, 0.0_wp, & |
---|
2646 | BTEST( wall_flags_0(k,j,i), 0 )& |
---|
2647 | ) |
---|
2648 | ENDDO |
---|
2649 | |
---|
2650 | ! |
---|
2651 | !-- Calculate tendencies for the next Runge-Kutta step |
---|
2652 | IF ( timestep_scheme(1:5) == 'runge' ) THEN |
---|
2653 | IF ( intermediate_timestep_count == 1 ) THEN |
---|
2654 | DO k = nzb+1, nzt |
---|
2655 | tdiss_m(k,j,i) = tend(k,j,i) |
---|
2656 | ENDDO |
---|
2657 | ELSEIF ( intermediate_timestep_count < & |
---|
2658 | intermediate_timestep_count_max ) THEN |
---|
2659 | DO k = nzb+1, nzt |
---|
2660 | tdiss_m(k,j,i) = -9.5625_wp * tend(k,j,i) + & |
---|
2661 | 5.3125_wp * tdiss_m(k,j,i) |
---|
2662 | ENDDO |
---|
2663 | ENDIF |
---|
2664 | ENDIF |
---|
2665 | |
---|
2666 | ENDIF ! dissipation equation |
---|
2667 | |
---|
2668 | END SUBROUTINE tcm_prognostic_equations_ij |
---|
2669 | |
---|
2670 | |
---|
2671 | !------------------------------------------------------------------------------! |
---|
2672 | ! Description: |
---|
2673 | ! ------------ |
---|
2674 | !> Production terms (shear + buoyancy) of the TKE. |
---|
2675 | !> Vector-optimized version |
---|
2676 | !> @warning The case with constant_flux_layer = F and use_surface_fluxes = T is |
---|
2677 | !> not considered well! |
---|
2678 | !------------------------------------------------------------------------------! |
---|
2679 | SUBROUTINE production_e( diss_production ) |
---|
2680 | |
---|
2681 | USE arrays_3d, & |
---|
2682 | ONLY: ddzw, dd2zu, drho_air_zw, q, ql, d_exner, exner |
---|
2683 | |
---|
2684 | USE control_parameters, & |
---|
2685 | ONLY: cloud_droplets, constant_flux_layer, neutral, & |
---|
2686 | rho_reference, use_single_reference_value, use_surface_fluxes, & |
---|
2687 | use_top_fluxes |
---|
2688 | |
---|
2689 | USE grid_variables, & |
---|
2690 | ONLY: ddx, dx, ddy, dy |
---|
2691 | |
---|
2692 | USE bulk_cloud_model_mod, & |
---|
2693 | ONLY: bulk_cloud_model |
---|
2694 | |
---|
2695 | IMPLICIT NONE |
---|
2696 | |
---|
2697 | LOGICAL :: diss_production |
---|
2698 | |
---|
2699 | INTEGER(iwp) :: i !< running index x-direction |
---|
2700 | INTEGER(iwp) :: j !< running index y-direction |
---|
2701 | INTEGER(iwp) :: k !< running index z-direction |
---|
2702 | INTEGER(iwp) :: l !< running index for different surface type orientation |
---|
2703 | INTEGER(iwp) :: m !< running index surface elements |
---|
2704 | INTEGER(iwp) :: surf_e !< end index of surface elements at given i-j position |
---|
2705 | INTEGER(iwp) :: surf_s !< start index of surface elements at given i-j position |
---|
2706 | INTEGER(iwp) :: flag_nr !< number of masking flag |
---|
2707 | |
---|
2708 | REAL(wp) :: def !< ( du_i/dx_j + du_j/dx_i ) * du_i/dx_j |
---|
2709 | REAL(wp) :: flag !< flag to mask topography |
---|
2710 | REAL(wp) :: k1 !< temporary factor |
---|
2711 | REAL(wp) :: k2 !< temporary factor |
---|
2712 | REAL(wp) :: km_neutral !< diffusion coefficient assuming neutral conditions - used to compute shear production at surfaces |
---|
2713 | REAL(wp) :: theta !< virtual potential temperature |
---|
2714 | REAL(wp) :: temp !< theta * Exner-function |
---|
2715 | REAL(wp) :: sign_dir !< sign of wall-tke flux, depending on wall orientation |
---|
2716 | REAL(wp) :: usvs !< momentum flux u"v" |
---|
2717 | REAL(wp) :: vsus !< momentum flux v"u" |
---|
2718 | REAL(wp) :: wsus !< momentum flux w"u" |
---|
2719 | REAL(wp) :: wsvs !< momentum flux w"v" |
---|
2720 | |
---|
2721 | REAL(wp), DIMENSION(nzb+1:nzt) :: dudx !< Gradient of u-component in x-direction |
---|
2722 | REAL(wp), DIMENSION(nzb+1:nzt) :: dudy !< Gradient of u-component in y-direction |
---|
2723 | REAL(wp), DIMENSION(nzb+1:nzt) :: dudz !< Gradient of u-component in z-direction |
---|
2724 | REAL(wp), DIMENSION(nzb+1:nzt) :: dvdx !< Gradient of v-component in x-direction |
---|
2725 | REAL(wp), DIMENSION(nzb+1:nzt) :: dvdy !< Gradient of v-component in y-direction |
---|
2726 | REAL(wp), DIMENSION(nzb+1:nzt) :: dvdz !< Gradient of v-component in z-direction |
---|
2727 | REAL(wp), DIMENSION(nzb+1:nzt) :: dwdx !< Gradient of w-component in x-direction |
---|
2728 | REAL(wp), DIMENSION(nzb+1:nzt) :: dwdy !< Gradient of w-component in y-direction |
---|
2729 | REAL(wp), DIMENSION(nzb+1:nzt) :: dwdz !< Gradient of w-component in z-direction |
---|
2730 | REAL(wp), DIMENSION(nzb+1:nzt) :: tmp_flux !< temporary flux-array in z-direction |
---|
2731 | |
---|
2732 | |
---|
2733 | |
---|
2734 | ! |
---|
2735 | !-- Calculate TKE production by shear. Calculate gradients at all grid |
---|
2736 | !-- points first, gradients at surface-bounded grid points will be |
---|
2737 | !-- overwritten further below. |
---|
2738 | !$ACC PARALLEL LOOP COLLAPSE(2) PRIVATE(i, j, l) & |
---|
2739 | !$ACC PRIVATE(surf_s, surf_e) & |
---|
2740 | !$ACC PRIVATE(dudx(:), dudy(:), dudz(:), dvdx(:), dvdy(:), dvdz(:), dwdx(:), dwdy(:), dwdz(:)) & |
---|
2741 | !$ACC PRESENT(e, u, v, w, diss, dd2zu, ddzw, km, wall_flags_0) & |
---|
2742 | !$ACC PRESENT(tend) & |
---|
2743 | !$ACC PRESENT(surf_def_h(0:1), surf_def_v(0:3)) & |
---|
2744 | !$ACC PRESENT(surf_lsm_h, surf_lsm_v(0:3)) & |
---|
2745 | !$ACC PRESENT(surf_usm_h, surf_usm_v(0:3)) |
---|
2746 | DO i = nxl, nxr |
---|
2747 | DO j = nys, nyn |
---|
2748 | !$ACC LOOP PRIVATE(k) |
---|
2749 | DO k = nzb+1, nzt |
---|
2750 | |
---|
2751 | dudx(k) = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
---|
2752 | dudy(k) = 0.25_wp * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
---|
2753 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
---|
2754 | dudz(k) = 0.5_wp * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
---|
2755 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
---|
2756 | |
---|
2757 | dvdx(k) = 0.25_wp * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
---|
2758 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
---|
2759 | dvdy(k) = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
---|
2760 | dvdz(k) = 0.5_wp * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
---|
2761 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
---|
2762 | |
---|
2763 | dwdx(k) = 0.25_wp * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
---|
2764 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
---|
2765 | dwdy(k) = 0.25_wp * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
---|
2766 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
---|
2767 | dwdz(k) = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
---|
2768 | |
---|
2769 | ENDDO |
---|
2770 | |
---|
2771 | |
---|
2772 | flag_nr = 29 |
---|
2773 | |
---|
2774 | |
---|
2775 | IF ( constant_flux_layer ) THEN |
---|
2776 | ! |
---|
2777 | |
---|
2778 | flag_nr = 0 |
---|
2779 | |
---|
2780 | !-- Position beneath wall |
---|
2781 | !-- (2) - Will allways be executed. |
---|
2782 | !-- 'bottom and wall: use u_0,v_0 and wall functions' |
---|
2783 | ! |
---|
2784 | !-- Compute gradients at north- and south-facing surfaces. |
---|
2785 | !-- First, for default surfaces, then for urban surfaces. |
---|
2786 | !-- Note, so far no natural vertical surfaces implemented |
---|
2787 | DO l = 0, 1 |
---|
2788 | surf_s = surf_def_v(l)%start_index(j,i) |
---|
2789 | surf_e = surf_def_v(l)%end_index(j,i) |
---|
2790 | !$ACC LOOP PRIVATE(m, k, usvs, wsvs, km_neutral, sign_dir) |
---|
2791 | DO m = surf_s, surf_e |
---|
2792 | k = surf_def_v(l)%k(m) |
---|
2793 | usvs = surf_def_v(l)%mom_flux_tke(0,m) |
---|
2794 | wsvs = surf_def_v(l)%mom_flux_tke(1,m) |
---|
2795 | |
---|
2796 | km_neutral = kappa * ( usvs**2 + wsvs**2 )**0.25_wp & |
---|
2797 | * 0.5_wp * dy |
---|
2798 | ! |
---|
2799 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
2800 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
2801 | BTEST( wall_flags_0(k,j-1,i), flag_nr ) ) |
---|
2802 | dudy(k) = sign_dir * usvs / ( km_neutral + 1E-10_wp ) |
---|
2803 | dwdy(k) = sign_dir * wsvs / ( km_neutral + 1E-10_wp ) |
---|
2804 | ENDDO |
---|
2805 | ! |
---|
2806 | !-- Natural surfaces |
---|
2807 | surf_s = surf_lsm_v(l)%start_index(j,i) |
---|
2808 | surf_e = surf_lsm_v(l)%end_index(j,i) |
---|
2809 | !$ACC LOOP PRIVATE(m, k, usvs, wsvs, km_neutral, sign_dir) |
---|
2810 | DO m = surf_s, surf_e |
---|
2811 | k = surf_lsm_v(l)%k(m) |
---|
2812 | usvs = surf_lsm_v(l)%mom_flux_tke(0,m) |
---|
2813 | wsvs = surf_lsm_v(l)%mom_flux_tke(1,m) |
---|
2814 | |
---|
2815 | km_neutral = kappa * ( usvs**2 + wsvs**2 )**0.25_wp & |
---|
2816 | * 0.5_wp * dy |
---|
2817 | ! |
---|
2818 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
2819 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
2820 | BTEST( wall_flags_0(k,j-1,i), flag_nr ) ) |
---|
2821 | dudy(k) = sign_dir * usvs / ( km_neutral + 1E-10_wp ) |
---|
2822 | dwdy(k) = sign_dir * wsvs / ( km_neutral + 1E-10_wp ) |
---|
2823 | ENDDO |
---|
2824 | ! |
---|
2825 | !-- Urban surfaces |
---|
2826 | surf_s = surf_usm_v(l)%start_index(j,i) |
---|
2827 | surf_e = surf_usm_v(l)%end_index(j,i) |
---|
2828 | !$ACC LOOP PRIVATE(m, k, usvs, wsvs, km_neutral, sign_dir) |
---|
2829 | DO m = surf_s, surf_e |
---|
2830 | k = surf_usm_v(l)%k(m) |
---|
2831 | usvs = surf_usm_v(l)%mom_flux_tke(0,m) |
---|
2832 | wsvs = surf_usm_v(l)%mom_flux_tke(1,m) |
---|
2833 | |
---|
2834 | km_neutral = kappa * ( usvs**2 + wsvs**2 )**0.25_wp & |
---|
2835 | * 0.5_wp * dy |
---|
2836 | ! |
---|
2837 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
2838 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
2839 | BTEST( wall_flags_0(k,j-1,i), flag_nr ) ) |
---|
2840 | dudy(k) = sign_dir * usvs / ( km_neutral + 1E-10_wp ) |
---|
2841 | dwdy(k) = sign_dir * wsvs / ( km_neutral + 1E-10_wp ) |
---|
2842 | ENDDO |
---|
2843 | ENDDO |
---|
2844 | ! |
---|
2845 | !-- Compute gradients at east- and west-facing walls |
---|
2846 | DO l = 2, 3 |
---|
2847 | surf_s = surf_def_v(l)%start_index(j,i) |
---|
2848 | surf_e = surf_def_v(l)%end_index(j,i) |
---|
2849 | !$ACC LOOP PRIVATE(m, k, vsus, wsus, km_neutral, sign_dir) |
---|
2850 | DO m = surf_s, surf_e |
---|
2851 | k = surf_def_v(l)%k(m) |
---|
2852 | vsus = surf_def_v(l)%mom_flux_tke(0,m) |
---|
2853 | wsus = surf_def_v(l)%mom_flux_tke(1,m) |
---|
2854 | |
---|
2855 | km_neutral = kappa * ( vsus**2 + wsus**2 )**0.25_wp & |
---|
2856 | * 0.5_wp * dx |
---|
2857 | ! |
---|
2858 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
2859 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
2860 | BTEST( wall_flags_0(k,j,i-1), flag_nr ) ) |
---|
2861 | dvdx(k) = sign_dir * vsus / ( km_neutral + 1E-10_wp ) |
---|
2862 | dwdx(k) = sign_dir * wsus / ( km_neutral + 1E-10_wp ) |
---|
2863 | ENDDO |
---|
2864 | ! |
---|
2865 | !-- Natural surfaces |
---|
2866 | surf_s = surf_lsm_v(l)%start_index(j,i) |
---|
2867 | surf_e = surf_lsm_v(l)%end_index(j,i) |
---|
2868 | !$ACC LOOP PRIVATE(m, k, vsus, wsus, km_neutral, sign_dir) |
---|
2869 | DO m = surf_s, surf_e |
---|
2870 | k = surf_lsm_v(l)%k(m) |
---|
2871 | vsus = surf_lsm_v(l)%mom_flux_tke(0,m) |
---|
2872 | wsus = surf_lsm_v(l)%mom_flux_tke(1,m) |
---|
2873 | |
---|
2874 | km_neutral = kappa * ( vsus**2 + wsus**2 )**0.25_wp & |
---|
2875 | * 0.5_wp * dx |
---|
2876 | ! |
---|
2877 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
2878 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
2879 | BTEST( wall_flags_0(k,j,i-1), flag_nr ) ) |
---|
2880 | dvdx(k) = sign_dir * vsus / ( km_neutral + 1E-10_wp ) |
---|
2881 | dwdx(k) = sign_dir * wsus / ( km_neutral + 1E-10_wp ) |
---|
2882 | ENDDO |
---|
2883 | ! |
---|
2884 | !-- Urban surfaces |
---|
2885 | surf_s = surf_usm_v(l)%start_index(j,i) |
---|
2886 | surf_e = surf_usm_v(l)%end_index(j,i) |
---|
2887 | !$ACC LOOP PRIVATE(m, k, vsus, wsus, km_neutral, sign_dir) |
---|
2888 | DO m = surf_s, surf_e |
---|
2889 | k = surf_usm_v(l)%k(m) |
---|
2890 | vsus = surf_usm_v(l)%mom_flux_tke(0,m) |
---|
2891 | wsus = surf_usm_v(l)%mom_flux_tke(1,m) |
---|
2892 | |
---|
2893 | km_neutral = kappa * ( vsus**2 + wsus**2 )**0.25_wp & |
---|
2894 | * 0.5_wp * dx |
---|
2895 | ! |
---|
2896 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
2897 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
2898 | BTEST( wall_flags_0(k,j,i-1), flag_nr ) ) |
---|
2899 | dvdx(k) = sign_dir * vsus / ( km_neutral + 1E-10_wp ) |
---|
2900 | dwdx(k) = sign_dir * wsus / ( km_neutral + 1E-10_wp ) |
---|
2901 | ENDDO |
---|
2902 | ENDDO |
---|
2903 | ! |
---|
2904 | !-- Compute gradients at upward-facing surfaces |
---|
2905 | surf_s = surf_def_h(0)%start_index(j,i) |
---|
2906 | surf_e = surf_def_h(0)%end_index(j,i) |
---|
2907 | !$ACC LOOP PRIVATE(m, k) |
---|
2908 | DO m = surf_s, surf_e |
---|
2909 | k = surf_def_h(0)%k(m) |
---|
2910 | ! |
---|
2911 | !-- Please note, actually, an interpolation of u_0 and v_0 |
---|
2912 | !-- onto the grid center would be required. However, this |
---|
2913 | !-- would require several data transfers between 2D-grid and |
---|
2914 | !-- wall type. The effect of this missing interpolation is |
---|
2915 | !-- negligible. (See also production_e_init). |
---|
2916 | dudz(k) = ( u(k+1,j,i) - surf_def_h(0)%u_0(m) ) * dd2zu(k) |
---|
2917 | dvdz(k) = ( v(k+1,j,i) - surf_def_h(0)%v_0(m) ) * dd2zu(k) |
---|
2918 | |
---|
2919 | ENDDO |
---|
2920 | ! |
---|
2921 | !-- Natural surfaces |
---|
2922 | surf_s = surf_lsm_h%start_index(j,i) |
---|
2923 | surf_e = surf_lsm_h%end_index(j,i) |
---|
2924 | !$ACC LOOP PRIVATE(m, k) |
---|
2925 | DO m = surf_s, surf_e |
---|
2926 | k = surf_lsm_h%k(m) |
---|
2927 | |
---|
2928 | dudz(k) = ( u(k+1,j,i) - surf_lsm_h%u_0(m) ) * dd2zu(k) |
---|
2929 | dvdz(k) = ( v(k+1,j,i) - surf_lsm_h%v_0(m) ) * dd2zu(k) |
---|
2930 | |
---|
2931 | ENDDO |
---|
2932 | ! |
---|
2933 | !-- Urban surfaces |
---|
2934 | surf_s = surf_usm_h%start_index(j,i) |
---|
2935 | surf_e = surf_usm_h%end_index(j,i) |
---|
2936 | !$ACC LOOP PRIVATE(m, k) |
---|
2937 | DO m = surf_s, surf_e |
---|
2938 | k = surf_usm_h%k(m) |
---|
2939 | |
---|
2940 | dudz(k) = ( u(k+1,j,i) - surf_usm_h%u_0(m) ) * dd2zu(k) |
---|
2941 | dvdz(k) = ( v(k+1,j,i) - surf_usm_h%v_0(m) ) * dd2zu(k) |
---|
2942 | |
---|
2943 | ENDDO |
---|
2944 | ! |
---|
2945 | !-- Compute gradients at downward-facing walls, only for |
---|
2946 | !-- non-natural default surfaces |
---|
2947 | surf_s = surf_def_h(1)%start_index(j,i) |
---|
2948 | surf_e = surf_def_h(1)%end_index(j,i) |
---|
2949 | !$ACC LOOP PRIVATE(m, k) |
---|
2950 | DO m = surf_s, surf_e |
---|
2951 | k = surf_def_h(1)%k(m) |
---|
2952 | |
---|
2953 | dudz(k) = ( surf_def_h(1)%u_0(m) - u(k-1,j,i) ) * dd2zu(k) |
---|
2954 | dvdz(k) = ( surf_def_h(1)%v_0(m) - v(k-1,j,i) ) * dd2zu(k) |
---|
2955 | |
---|
2956 | ENDDO |
---|
2957 | |
---|
2958 | |
---|
2959 | ENDIF |
---|
2960 | |
---|
2961 | |
---|
2962 | !$ACC LOOP PRIVATE(k, def, flag) |
---|
2963 | DO k = nzb+1, nzt |
---|
2964 | |
---|
2965 | def = 2.0_wp * ( dudx(k)**2 + dvdy(k)**2 + dwdz(k)**2 ) + & |
---|
2966 | dudy(k)**2 + dvdx(k)**2 + dwdx(k)**2 + & |
---|
2967 | dwdy(k)**2 + dudz(k)**2 + dvdz(k)**2 + & |
---|
2968 | 2.0_wp * ( dvdx(k)*dudy(k) + dwdx(k)*dudz(k) + & |
---|
2969 | dwdy(k)*dvdz(k) ) |
---|
2970 | |
---|
2971 | IF ( def < 0.0_wp ) def = 0.0_wp |
---|
2972 | |
---|
2973 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),flag_nr) ) |
---|
2974 | |
---|
2975 | IF ( .NOT. diss_production ) THEN |
---|
2976 | |
---|
2977 | !-- Compute tendency for TKE-production from shear |
---|
2978 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def * flag |
---|
2979 | |
---|
2980 | ELSE |
---|
2981 | |
---|
2982 | !-- RANS mode: Compute tendency for dissipation-rate-production from shear |
---|
2983 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def * flag * & |
---|
2984 | diss(k,j,i)/( e(k,j,i) + 1.0E-20_wp ) * c_1 |
---|
2985 | |
---|
2986 | ENDIF |
---|
2987 | |
---|
2988 | ENDDO |
---|
2989 | |
---|
2990 | |
---|
2991 | ENDDO |
---|
2992 | ENDDO |
---|
2993 | |
---|
2994 | ! |
---|
2995 | !-- If required, calculate TKE production by buoyancy |
---|
2996 | IF ( .NOT. neutral ) THEN |
---|
2997 | |
---|
2998 | IF ( .NOT. humidity ) THEN |
---|
2999 | |
---|
3000 | IF ( ocean_mode ) THEN |
---|
3001 | ! |
---|
3002 | !-- So far in the ocean no special treatment of density flux |
---|
3003 | !-- in the bottom and top surface layer |
---|
3004 | DO i = nxl, nxr |
---|
3005 | DO j = nys, nyn |
---|
3006 | |
---|
3007 | DO k = nzb+1, nzt |
---|
3008 | tmp_flux(k) = kh(k,j,i) * ( prho(k+1,j,i) - prho(k-1,j,i) ) * dd2zu(k) |
---|
3009 | ENDDO |
---|
3010 | ! |
---|
3011 | !-- Treatment of near-surface grid points, at up- and down- |
---|
3012 | !-- ward facing surfaces |
---|
3013 | IF ( use_surface_fluxes ) THEN |
---|
3014 | DO l = 0, 1 |
---|
3015 | surf_s = surf_def_h(l)%start_index(j,i) |
---|
3016 | surf_e = surf_def_h(l)%end_index(j,i) |
---|
3017 | DO m = surf_s, surf_e |
---|
3018 | k = surf_def_h(l)%k(m) |
---|
3019 | tmp_flux(k) = drho_air_zw(k-1) * surf_def_h(l)%shf(m) |
---|
3020 | ENDDO |
---|
3021 | ENDDO |
---|
3022 | ENDIF |
---|
3023 | |
---|
3024 | IF ( use_top_fluxes ) THEN |
---|
3025 | surf_s = surf_def_h(2)%start_index(j,i) |
---|
3026 | surf_e = surf_def_h(2)%end_index(j,i) |
---|
3027 | DO m = surf_s, surf_e |
---|
3028 | k = surf_def_h(2)%k(m) |
---|
3029 | tmp_flux(k) = drho_air_zw(k) * surf_def_h(2)%shf(m) |
---|
3030 | ENDDO |
---|
3031 | ENDIF |
---|
3032 | |
---|
3033 | IF ( .NOT. diss_production ) THEN |
---|
3034 | |
---|
3035 | !-- Compute tendency for TKE-production from shear |
---|
3036 | DO k = nzb+1, nzt |
---|
3037 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3038 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3039 | MERGE( rho_reference, prho(k,j,i), & |
---|
3040 | use_single_reference_value ) ) |
---|
3041 | ENDDO |
---|
3042 | |
---|
3043 | ELSE |
---|
3044 | |
---|
3045 | !-- RANS mode: Compute tendency for dissipation-rate-production from shear |
---|
3046 | DO k = nzb+1, nzt |
---|
3047 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3048 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3049 | MERGE( rho_reference, prho(k,j,i), & |
---|
3050 | use_single_reference_value ) ) * & |
---|
3051 | diss(k,j,i)/( e(k,j,i) + 1.0E-20_wp ) * & |
---|
3052 | c_3 |
---|
3053 | ENDDO |
---|
3054 | |
---|
3055 | ENDIF |
---|
3056 | |
---|
3057 | ENDDO |
---|
3058 | ENDDO |
---|
3059 | |
---|
3060 | ELSE ! or IF ( .NOT. ocean_mode ) THEN |
---|
3061 | |
---|
3062 | !$ACC PARALLEL LOOP COLLAPSE(2) PRIVATE(i, j) & |
---|
3063 | !$ACC PRIVATE(surf_s, surf_e) & |
---|
3064 | !$ACC PRIVATE(tmp_flux(nzb+1:nzt)) & |
---|
3065 | !$ACC PRESENT(e, diss, kh, pt, dd2zu, drho_air_zw, wall_flags_0) & |
---|
3066 | !$ACC PRESENT(tend) & |
---|
3067 | !$ACC PRESENT(surf_def_h(0:2)) & |
---|
3068 | !$ACC PRESENT(surf_lsm_h) & |
---|
3069 | !$ACC PRESENT(surf_usm_h) |
---|
3070 | DO i = nxl, nxr |
---|
3071 | DO j = nys, nyn |
---|
3072 | |
---|
3073 | !$ACC LOOP PRIVATE(k) |
---|
3074 | DO k = nzb+1, nzt |
---|
3075 | tmp_flux(k) = -1.0_wp * kh(k,j,i) * ( pt(k+1,j,i) - pt(k-1,j,i) ) * dd2zu(k) |
---|
3076 | ENDDO |
---|
3077 | |
---|
3078 | IF ( use_surface_fluxes ) THEN |
---|
3079 | ! |
---|
3080 | !-- Default surfaces, up- and downward-facing |
---|
3081 | DO l = 0, 1 |
---|
3082 | surf_s = surf_def_h(l)%start_index(j,i) |
---|
3083 | surf_e = surf_def_h(l)%end_index(j,i) |
---|
3084 | !$ACC LOOP PRIVATE(m, k) |
---|
3085 | DO m = surf_s, surf_e |
---|
3086 | k = surf_def_h(l)%k(m) |
---|
3087 | tmp_flux(k) = drho_air_zw(k-1) * surf_def_h(l)%shf(m) |
---|
3088 | ENDDO |
---|
3089 | ENDDO |
---|
3090 | ! |
---|
3091 | !-- Natural surfaces |
---|
3092 | surf_s = surf_lsm_h%start_index(j,i) |
---|
3093 | surf_e = surf_lsm_h%end_index(j,i) |
---|
3094 | !$ACC LOOP PRIVATE(m, k) |
---|
3095 | DO m = surf_s, surf_e |
---|
3096 | k = surf_lsm_h%k(m) |
---|
3097 | tmp_flux(k) = drho_air_zw(k-1) * surf_lsm_h%shf(m) |
---|
3098 | ENDDO |
---|
3099 | ! |
---|
3100 | !-- Urban surfaces |
---|
3101 | surf_s = surf_usm_h%start_index(j,i) |
---|
3102 | surf_e = surf_usm_h%end_index(j,i) |
---|
3103 | !$ACC LOOP PRIVATE(m, k) |
---|
3104 | DO m = surf_s, surf_e |
---|
3105 | k = surf_usm_h%k(m) |
---|
3106 | tmp_flux(k) = drho_air_zw(k-1) * surf_usm_h%shf(m) |
---|
3107 | ENDDO |
---|
3108 | ENDIF |
---|
3109 | |
---|
3110 | IF ( use_top_fluxes ) THEN |
---|
3111 | surf_s = surf_def_h(2)%start_index(j,i) |
---|
3112 | surf_e = surf_def_h(2)%end_index(j,i) |
---|
3113 | !$ACC LOOP PRIVATE(m, k) |
---|
3114 | DO m = surf_s, surf_e |
---|
3115 | k = surf_def_h(2)%k(m) |
---|
3116 | tmp_flux(k) = drho_air_zw(k) * surf_def_h(2)%shf(m) |
---|
3117 | ENDDO |
---|
3118 | ENDIF |
---|
3119 | |
---|
3120 | IF ( .NOT. diss_production ) THEN |
---|
3121 | |
---|
3122 | !-- Compute tendency for TKE-production from shear |
---|
3123 | !$ACC LOOP PRIVATE(k, flag) |
---|
3124 | DO k = nzb+1, nzt |
---|
3125 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3126 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3127 | MERGE( pt_reference, pt(k,j,i), & |
---|
3128 | use_single_reference_value ) ) |
---|
3129 | ENDDO |
---|
3130 | |
---|
3131 | ELSE |
---|
3132 | |
---|
3133 | !-- RANS mode: Compute tendency for dissipation-rate-production from shear |
---|
3134 | DO k = nzb+1, nzt |
---|
3135 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3136 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3137 | MERGE( pt_reference, pt(k,j,i), & |
---|
3138 | use_single_reference_value ) ) * & |
---|
3139 | diss(k,j,i)/( e(k,j,i) + 1.0E-20_wp ) * & |
---|
3140 | c_3 |
---|
3141 | ENDDO |
---|
3142 | |
---|
3143 | ENDIF |
---|
3144 | |
---|
3145 | ENDDO |
---|
3146 | ENDDO |
---|
3147 | |
---|
3148 | ENDIF ! from IF ( .NOT. ocean_mode ) |
---|
3149 | |
---|
3150 | ELSE ! or IF ( humidity ) THEN |
---|
3151 | |
---|
3152 | DO i = nxl, nxr |
---|
3153 | DO j = nys, nyn |
---|
3154 | |
---|
3155 | DO k = nzb+1, nzt |
---|
3156 | |
---|
3157 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3158 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3159 | k2 = 0.61_wp * pt(k,j,i) |
---|
3160 | tmp_flux(k) = -1.0_wp * kh(k,j,i) * & |
---|
3161 | ( k1 * ( pt(k+1,j,i) - pt(k-1,j,i) ) + & |
---|
3162 | k2 * ( q(k+1,j,i) - q(k-1,j,i) ) & |
---|
3163 | ) * dd2zu(k) |
---|
3164 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3165 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3166 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3167 | k2 = 0.61_wp * pt(k,j,i) |
---|
3168 | ELSE |
---|
3169 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3170 | temp = theta * exner(k) |
---|
3171 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3172 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3173 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3174 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3175 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3176 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3177 | ENDIF |
---|
3178 | tmp_flux(k) = -1.0_wp * kh(k,j,i) * & |
---|
3179 | ( k1 * ( pt(k+1,j,i) - pt(k-1,j,i) ) + & |
---|
3180 | k2 * ( q(k+1,j,i) - q(k-1,j,i) ) & |
---|
3181 | ) * dd2zu(k) |
---|
3182 | ELSE IF ( cloud_droplets ) THEN |
---|
3183 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3184 | k2 = 0.61_wp * pt(k,j,i) |
---|
3185 | tmp_flux(k) = -1.0_wp * kh(k,j,i) * & |
---|
3186 | ( k1 * ( pt(k+1,j,i) - pt(k-1,j,i) ) + & |
---|
3187 | k2 * ( q(k+1,j,i) - q(k-1,j,i) ) - & |
---|
3188 | pt(k,j,i) * ( ql(k+1,j,i) - & |
---|
3189 | ql(k-1,j,i) ) ) * dd2zu(k) |
---|
3190 | ENDIF |
---|
3191 | |
---|
3192 | ENDDO |
---|
3193 | |
---|
3194 | IF ( use_surface_fluxes ) THEN |
---|
3195 | ! |
---|
3196 | !-- Treat horizontal default surfaces |
---|
3197 | DO l = 0, 1 |
---|
3198 | surf_s = surf_def_h(l)%start_index(j,i) |
---|
3199 | surf_e = surf_def_h(l)%end_index(j,i) |
---|
3200 | DO m = surf_s, surf_e |
---|
3201 | k = surf_def_h(l)%k(m) |
---|
3202 | |
---|
3203 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3204 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3205 | k2 = 0.61_wp * pt(k,j,i) |
---|
3206 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3207 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3208 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3209 | k2 = 0.61_wp * pt(k,j,i) |
---|
3210 | ELSE |
---|
3211 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3212 | temp = theta * exner(k) |
---|
3213 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3214 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3215 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3216 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3217 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3218 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3219 | ENDIF |
---|
3220 | ELSE IF ( cloud_droplets ) THEN |
---|
3221 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3222 | k2 = 0.61_wp * pt(k,j,i) |
---|
3223 | ENDIF |
---|
3224 | |
---|
3225 | tmp_flux(k) = ( k1 * surf_def_h(l)%shf(m) + & |
---|
3226 | k2 * surf_def_h(l)%qsws(m) & |
---|
3227 | ) * drho_air_zw(k-1) |
---|
3228 | ENDDO |
---|
3229 | ENDDO |
---|
3230 | ! |
---|
3231 | !-- Treat horizontal natural surfaces |
---|
3232 | surf_s = surf_lsm_h%start_index(j,i) |
---|
3233 | surf_e = surf_lsm_h%end_index(j,i) |
---|
3234 | DO m = surf_s, surf_e |
---|
3235 | k = surf_lsm_h%k(m) |
---|
3236 | |
---|
3237 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3238 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3239 | k2 = 0.61_wp * pt(k,j,i) |
---|
3240 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3241 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3242 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3243 | k2 = 0.61_wp * pt(k,j,i) |
---|
3244 | ELSE |
---|
3245 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3246 | temp = theta * exner(k) |
---|
3247 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3248 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3249 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3250 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3251 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3252 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3253 | ENDIF |
---|
3254 | ELSE IF ( cloud_droplets ) THEN |
---|
3255 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3256 | k2 = 0.61_wp * pt(k,j,i) |
---|
3257 | ENDIF |
---|
3258 | |
---|
3259 | tmp_flux(k) = ( k1 * surf_lsm_h%shf(m) + & |
---|
3260 | k2 * surf_lsm_h%qsws(m) & |
---|
3261 | ) * drho_air_zw(k-1) |
---|
3262 | ENDDO |
---|
3263 | ! |
---|
3264 | !-- Treat horizontal urban surfaces |
---|
3265 | surf_s = surf_usm_h%start_index(j,i) |
---|
3266 | surf_e = surf_usm_h%end_index(j,i) |
---|
3267 | DO m = surf_s, surf_e |
---|
3268 | k = surf_usm_h%k(m) |
---|
3269 | |
---|
3270 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3271 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3272 | k2 = 0.61_wp * pt(k,j,i) |
---|
3273 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3274 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3275 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3276 | k2 = 0.61_wp * pt(k,j,i) |
---|
3277 | ELSE |
---|
3278 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3279 | temp = theta * exner(k) |
---|
3280 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3281 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3282 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3283 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3284 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3285 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3286 | ENDIF |
---|
3287 | ELSE IF ( cloud_droplets ) THEN |
---|
3288 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3289 | k2 = 0.61_wp * pt(k,j,i) |
---|
3290 | ENDIF |
---|
3291 | |
---|
3292 | tmp_flux(k) = ( k1 * surf_usm_h%shf(m) + & |
---|
3293 | k2 * surf_usm_h%qsws(m) & |
---|
3294 | ) * drho_air_zw(k-1) |
---|
3295 | ENDDO |
---|
3296 | |
---|
3297 | ENDIF ! from IF ( use_surface_fluxes ) THEN |
---|
3298 | |
---|
3299 | IF ( use_top_fluxes ) THEN |
---|
3300 | |
---|
3301 | surf_s = surf_def_h(2)%start_index(j,i) |
---|
3302 | surf_e = surf_def_h(2)%end_index(j,i) |
---|
3303 | DO m = surf_s, surf_e |
---|
3304 | k = surf_def_h(2)%k(m) |
---|
3305 | |
---|
3306 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3307 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3308 | k2 = 0.61_wp * pt(k,j,i) |
---|
3309 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3310 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3311 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3312 | k2 = 0.61_wp * pt(k,j,i) |
---|
3313 | ELSE |
---|
3314 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3315 | temp = theta * exner(k) |
---|
3316 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3317 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3318 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3319 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3320 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3321 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3322 | ENDIF |
---|
3323 | ELSE IF ( cloud_droplets ) THEN |
---|
3324 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3325 | k2 = 0.61_wp * pt(k,j,i) |
---|
3326 | ENDIF |
---|
3327 | |
---|
3328 | tmp_flux(k) = ( k1 * surf_def_h(2)%shf(m) + & |
---|
3329 | k2 * surf_def_h(2)%qsws(m) & |
---|
3330 | ) * drho_air_zw(k) |
---|
3331 | |
---|
3332 | ENDDO |
---|
3333 | |
---|
3334 | ENDIF ! from IF ( use_top_fluxes ) THEN |
---|
3335 | |
---|
3336 | IF ( .NOT. diss_production ) THEN |
---|
3337 | |
---|
3338 | !-- Compute tendency for TKE-production from shear |
---|
3339 | DO k = nzb+1, nzt |
---|
3340 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3341 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3342 | MERGE( vpt_reference, vpt(k,j,i), & |
---|
3343 | use_single_reference_value ) ) |
---|
3344 | ENDDO |
---|
3345 | |
---|
3346 | ELSE |
---|
3347 | |
---|
3348 | !-- RANS mode: Compute tendency for dissipation-rate-production from shear |
---|
3349 | DO k = nzb+1, nzt |
---|
3350 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3351 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3352 | MERGE( vpt_reference, vpt(k,j,i), & |
---|
3353 | use_single_reference_value ) ) * & |
---|
3354 | diss(k,j,i)/( e(k,j,i) + 1.0E-20_wp ) * & |
---|
3355 | c_3 |
---|
3356 | ENDDO |
---|
3357 | |
---|
3358 | ENDIF |
---|
3359 | |
---|
3360 | ENDDO |
---|
3361 | ENDDO |
---|
3362 | |
---|
3363 | ENDIF |
---|
3364 | |
---|
3365 | ENDIF |
---|
3366 | |
---|
3367 | END SUBROUTINE production_e |
---|
3368 | |
---|
3369 | |
---|
3370 | !------------------------------------------------------------------------------! |
---|
3371 | ! Description: |
---|
3372 | ! ------------ |
---|
3373 | !> Production terms (shear + buoyancy) of the TKE. |
---|
3374 | !> Cache-optimized version |
---|
3375 | !> @warning The case with constant_flux_layer = F and use_surface_fluxes = T is |
---|
3376 | !> not considered well! |
---|
3377 | !------------------------------------------------------------------------------! |
---|
3378 | SUBROUTINE production_e_ij( i, j, diss_production ) |
---|
3379 | |
---|
3380 | USE arrays_3d, & |
---|
3381 | ONLY: ddzw, dd2zu, drho_air_zw, q, ql, d_exner, exner |
---|
3382 | |
---|
3383 | USE control_parameters, & |
---|
3384 | ONLY: cloud_droplets, constant_flux_layer, neutral, & |
---|
3385 | rho_reference, use_single_reference_value, use_surface_fluxes, & |
---|
3386 | use_top_fluxes |
---|
3387 | |
---|
3388 | USE grid_variables, & |
---|
3389 | ONLY: ddx, dx, ddy, dy |
---|
3390 | |
---|
3391 | USE bulk_cloud_model_mod, & |
---|
3392 | ONLY: bulk_cloud_model |
---|
3393 | |
---|
3394 | IMPLICIT NONE |
---|
3395 | |
---|
3396 | LOGICAL :: diss_production |
---|
3397 | |
---|
3398 | INTEGER(iwp) :: i !< running index x-direction |
---|
3399 | INTEGER(iwp) :: j !< running index y-direction |
---|
3400 | INTEGER(iwp) :: k !< running index z-direction |
---|
3401 | INTEGER(iwp) :: l !< running index for different surface type orientation |
---|
3402 | INTEGER(iwp) :: m !< running index surface elements |
---|
3403 | INTEGER(iwp) :: surf_e !< end index of surface elements at given i-j position |
---|
3404 | INTEGER(iwp) :: surf_s !< start index of surface elements at given i-j position |
---|
3405 | INTEGER(iwp) :: flag_nr !< number of masking flag |
---|
3406 | |
---|
3407 | REAL(wp) :: def !< ( du_i/dx_j + du_j/dx_i ) * du_i/dx_j |
---|
3408 | REAL(wp) :: flag !< flag to mask topography |
---|
3409 | REAL(wp) :: k1 !< temporary factor |
---|
3410 | REAL(wp) :: k2 !< temporary factor |
---|
3411 | REAL(wp) :: km_neutral !< diffusion coefficient assuming neutral conditions - used to compute shear production at surfaces |
---|
3412 | REAL(wp) :: theta !< virtual potential temperature |
---|
3413 | REAL(wp) :: temp !< theta * Exner-function |
---|
3414 | REAL(wp) :: sign_dir !< sign of wall-tke flux, depending on wall orientation |
---|
3415 | REAL(wp) :: usvs !< momentum flux u"v" |
---|
3416 | REAL(wp) :: vsus !< momentum flux v"u" |
---|
3417 | REAL(wp) :: wsus !< momentum flux w"u" |
---|
3418 | REAL(wp) :: wsvs !< momentum flux w"v" |
---|
3419 | |
---|
3420 | REAL(wp), DIMENSION(nzb+1:nzt) :: dudx !< Gradient of u-component in x-direction |
---|
3421 | REAL(wp), DIMENSION(nzb+1:nzt) :: dudy !< Gradient of u-component in y-direction |
---|
3422 | REAL(wp), DIMENSION(nzb+1:nzt) :: dudz !< Gradient of u-component in z-direction |
---|
3423 | REAL(wp), DIMENSION(nzb+1:nzt) :: dvdx !< Gradient of v-component in x-direction |
---|
3424 | REAL(wp), DIMENSION(nzb+1:nzt) :: dvdy !< Gradient of v-component in y-direction |
---|
3425 | REAL(wp), DIMENSION(nzb+1:nzt) :: dvdz !< Gradient of v-component in z-direction |
---|
3426 | REAL(wp), DIMENSION(nzb+1:nzt) :: dwdx !< Gradient of w-component in x-direction |
---|
3427 | REAL(wp), DIMENSION(nzb+1:nzt) :: dwdy !< Gradient of w-component in y-direction |
---|
3428 | REAL(wp), DIMENSION(nzb+1:nzt) :: dwdz !< Gradient of w-component in z-direction |
---|
3429 | REAL(wp), DIMENSION(nzb+1:nzt) :: tmp_flux !< temporary flux-array in z-direction |
---|
3430 | |
---|
3431 | |
---|
3432 | |
---|
3433 | ! |
---|
3434 | !-- Calculate TKE production by shear. Calculate gradients at all grid |
---|
3435 | !-- points first, gradients at surface-bounded grid points will be |
---|
3436 | !-- overwritten further below. |
---|
3437 | DO k = nzb+1, nzt |
---|
3438 | |
---|
3439 | dudx(k) = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
---|
3440 | dudy(k) = 0.25_wp * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
---|
3441 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
---|
3442 | dudz(k) = 0.5_wp * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
---|
3443 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
---|
3444 | |
---|
3445 | dvdx(k) = 0.25_wp * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
---|
3446 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
---|
3447 | dvdy(k) = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
---|
3448 | dvdz(k) = 0.5_wp * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
---|
3449 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
---|
3450 | |
---|
3451 | dwdx(k) = 0.25_wp * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
---|
3452 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
---|
3453 | dwdy(k) = 0.25_wp * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
---|
3454 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
---|
3455 | dwdz(k) = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
---|
3456 | |
---|
3457 | ENDDO |
---|
3458 | |
---|
3459 | flag_nr = 29 |
---|
3460 | |
---|
3461 | IF ( constant_flux_layer ) THEN |
---|
3462 | |
---|
3463 | flag_nr = 0 |
---|
3464 | |
---|
3465 | !-- Position beneath wall |
---|
3466 | !-- (2) - Will allways be executed. |
---|
3467 | !-- 'bottom and wall: use u_0,v_0 and wall functions' |
---|
3468 | ! |
---|
3469 | !-- Compute gradients at north- and south-facing surfaces. |
---|
3470 | !-- First, for default surfaces, then for urban surfaces. |
---|
3471 | !-- Note, so far no natural vertical surfaces implemented |
---|
3472 | DO l = 0, 1 |
---|
3473 | surf_s = surf_def_v(l)%start_index(j,i) |
---|
3474 | surf_e = surf_def_v(l)%end_index(j,i) |
---|
3475 | DO m = surf_s, surf_e |
---|
3476 | k = surf_def_v(l)%k(m) |
---|
3477 | usvs = surf_def_v(l)%mom_flux_tke(0,m) |
---|
3478 | wsvs = surf_def_v(l)%mom_flux_tke(1,m) |
---|
3479 | |
---|
3480 | km_neutral = kappa * ( usvs**2 + wsvs**2 )**0.25_wp & |
---|
3481 | * 0.5_wp * dy |
---|
3482 | ! |
---|
3483 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
3484 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
3485 | BTEST( wall_flags_0(k,j-1,i), flag_nr ) ) |
---|
3486 | dudy(k) = sign_dir * usvs / ( km_neutral + 1E-10_wp ) |
---|
3487 | dwdy(k) = sign_dir * wsvs / ( km_neutral + 1E-10_wp ) |
---|
3488 | ENDDO |
---|
3489 | ! |
---|
3490 | !-- Natural surfaces |
---|
3491 | surf_s = surf_lsm_v(l)%start_index(j,i) |
---|
3492 | surf_e = surf_lsm_v(l)%end_index(j,i) |
---|
3493 | DO m = surf_s, surf_e |
---|
3494 | k = surf_lsm_v(l)%k(m) |
---|
3495 | usvs = surf_lsm_v(l)%mom_flux_tke(0,m) |
---|
3496 | wsvs = surf_lsm_v(l)%mom_flux_tke(1,m) |
---|
3497 | |
---|
3498 | km_neutral = kappa * ( usvs**2 + wsvs**2 )**0.25_wp & |
---|
3499 | * 0.5_wp * dy |
---|
3500 | ! |
---|
3501 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
3502 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
3503 | BTEST( wall_flags_0(k,j-1,i), flag_nr ) ) |
---|
3504 | dudy(k) = sign_dir * usvs / ( km_neutral + 1E-10_wp ) |
---|
3505 | dwdy(k) = sign_dir * wsvs / ( km_neutral + 1E-10_wp ) |
---|
3506 | ENDDO |
---|
3507 | ! |
---|
3508 | !-- Urban surfaces |
---|
3509 | surf_s = surf_usm_v(l)%start_index(j,i) |
---|
3510 | surf_e = surf_usm_v(l)%end_index(j,i) |
---|
3511 | DO m = surf_s, surf_e |
---|
3512 | k = surf_usm_v(l)%k(m) |
---|
3513 | usvs = surf_usm_v(l)%mom_flux_tke(0,m) |
---|
3514 | wsvs = surf_usm_v(l)%mom_flux_tke(1,m) |
---|
3515 | |
---|
3516 | km_neutral = kappa * ( usvs**2 + wsvs**2 )**0.25_wp & |
---|
3517 | * 0.5_wp * dy |
---|
3518 | ! |
---|
3519 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
3520 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
3521 | BTEST( wall_flags_0(k,j-1,i), flag_nr ) ) |
---|
3522 | dudy(k) = sign_dir * usvs / ( km_neutral + 1E-10_wp ) |
---|
3523 | dwdy(k) = sign_dir * wsvs / ( km_neutral + 1E-10_wp ) |
---|
3524 | ENDDO |
---|
3525 | ENDDO |
---|
3526 | ! |
---|
3527 | !-- Compute gradients at east- and west-facing walls |
---|
3528 | DO l = 2, 3 |
---|
3529 | surf_s = surf_def_v(l)%start_index(j,i) |
---|
3530 | surf_e = surf_def_v(l)%end_index(j,i) |
---|
3531 | DO m = surf_s, surf_e |
---|
3532 | k = surf_def_v(l)%k(m) |
---|
3533 | vsus = surf_def_v(l)%mom_flux_tke(0,m) |
---|
3534 | wsus = surf_def_v(l)%mom_flux_tke(1,m) |
---|
3535 | |
---|
3536 | km_neutral = kappa * ( vsus**2 + wsus**2 )**0.25_wp & |
---|
3537 | * 0.5_wp * dx |
---|
3538 | ! |
---|
3539 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
3540 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
3541 | BTEST( wall_flags_0(k,j,i-1), flag_nr ) ) |
---|
3542 | dvdx(k) = sign_dir * vsus / ( km_neutral + 1E-10_wp ) |
---|
3543 | dwdx(k) = sign_dir * wsus / ( km_neutral + 1E-10_wp ) |
---|
3544 | ENDDO |
---|
3545 | ! |
---|
3546 | !-- Natural surfaces |
---|
3547 | surf_s = surf_lsm_v(l)%start_index(j,i) |
---|
3548 | surf_e = surf_lsm_v(l)%end_index(j,i) |
---|
3549 | DO m = surf_s, surf_e |
---|
3550 | k = surf_lsm_v(l)%k(m) |
---|
3551 | vsus = surf_lsm_v(l)%mom_flux_tke(0,m) |
---|
3552 | wsus = surf_lsm_v(l)%mom_flux_tke(1,m) |
---|
3553 | |
---|
3554 | km_neutral = kappa * ( vsus**2 + wsus**2 )**0.25_wp & |
---|
3555 | * 0.5_wp * dx |
---|
3556 | ! |
---|
3557 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
3558 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
3559 | BTEST( wall_flags_0(k,j,i-1), flag_nr ) ) |
---|
3560 | dvdx(k) = sign_dir * vsus / ( km_neutral + 1E-10_wp ) |
---|
3561 | dwdx(k) = sign_dir * wsus / ( km_neutral + 1E-10_wp ) |
---|
3562 | ENDDO |
---|
3563 | ! |
---|
3564 | !-- Urban surfaces |
---|
3565 | surf_s = surf_usm_v(l)%start_index(j,i) |
---|
3566 | surf_e = surf_usm_v(l)%end_index(j,i) |
---|
3567 | DO m = surf_s, surf_e |
---|
3568 | k = surf_usm_v(l)%k(m) |
---|
3569 | vsus = surf_usm_v(l)%mom_flux_tke(0,m) |
---|
3570 | wsus = surf_usm_v(l)%mom_flux_tke(1,m) |
---|
3571 | |
---|
3572 | km_neutral = kappa * ( vsus**2 + wsus**2 )**0.25_wp & |
---|
3573 | * 0.5_wp * dx |
---|
3574 | ! |
---|
3575 | !-- -1.0 for right-facing wall, 1.0 for left-facing wall |
---|
3576 | sign_dir = MERGE( 1.0_wp, -1.0_wp, & |
---|
3577 | BTEST( wall_flags_0(k,j,i-1), flag_nr ) ) |
---|
3578 | dvdx(k) = sign_dir * vsus / ( km_neutral + 1E-10_wp ) |
---|
3579 | dwdx(k) = sign_dir * wsus / ( km_neutral + 1E-10_wp ) |
---|
3580 | ENDDO |
---|
3581 | ENDDO |
---|
3582 | ! |
---|
3583 | !-- Compute gradients at upward-facing surfaces |
---|
3584 | surf_s = surf_def_h(0)%start_index(j,i) |
---|
3585 | surf_e = surf_def_h(0)%end_index(j,i) |
---|
3586 | DO m = surf_s, surf_e |
---|
3587 | k = surf_def_h(0)%k(m) |
---|
3588 | ! |
---|
3589 | !-- Please note, actually, an interpolation of u_0 and v_0 |
---|
3590 | !-- onto the grid center would be required. However, this |
---|
3591 | !-- would require several data transfers between 2D-grid and |
---|
3592 | !-- wall type. The effect of this missing interpolation is |
---|
3593 | !-- negligible. (See also production_e_init). |
---|
3594 | dudz(k) = ( u(k+1,j,i) - surf_def_h(0)%u_0(m) ) * dd2zu(k) |
---|
3595 | dvdz(k) = ( v(k+1,j,i) - surf_def_h(0)%v_0(m) ) * dd2zu(k) |
---|
3596 | |
---|
3597 | ENDDO |
---|
3598 | ! |
---|
3599 | !-- Natural surfaces |
---|
3600 | surf_s = surf_lsm_h%start_index(j,i) |
---|
3601 | surf_e = surf_lsm_h%end_index(j,i) |
---|
3602 | DO m = surf_s, surf_e |
---|
3603 | k = surf_lsm_h%k(m) |
---|
3604 | |
---|
3605 | dudz(k) = ( u(k+1,j,i) - surf_lsm_h%u_0(m) ) * dd2zu(k) |
---|
3606 | dvdz(k) = ( v(k+1,j,i) - surf_lsm_h%v_0(m) ) * dd2zu(k) |
---|
3607 | |
---|
3608 | ENDDO |
---|
3609 | ! |
---|
3610 | !-- Urban surfaces |
---|
3611 | surf_s = surf_usm_h%start_index(j,i) |
---|
3612 | surf_e = surf_usm_h%end_index(j,i) |
---|
3613 | DO m = surf_s, surf_e |
---|
3614 | k = surf_usm_h%k(m) |
---|
3615 | |
---|
3616 | dudz(k) = ( u(k+1,j,i) - surf_usm_h%u_0(m) ) * dd2zu(k) |
---|
3617 | dvdz(k) = ( v(k+1,j,i) - surf_usm_h%v_0(m) ) * dd2zu(k) |
---|
3618 | |
---|
3619 | ENDDO |
---|
3620 | ! |
---|
3621 | !-- Compute gradients at downward-facing walls, only for |
---|
3622 | !-- non-natural default surfaces |
---|
3623 | surf_s = surf_def_h(1)%start_index(j,i) |
---|
3624 | surf_e = surf_def_h(1)%end_index(j,i) |
---|
3625 | DO m = surf_s, surf_e |
---|
3626 | k = surf_def_h(1)%k(m) |
---|
3627 | |
---|
3628 | dudz(k) = ( surf_def_h(1)%u_0(m) - u(k-1,j,i) ) * dd2zu(k) |
---|
3629 | dvdz(k) = ( surf_def_h(1)%v_0(m) - v(k-1,j,i) ) * dd2zu(k) |
---|
3630 | |
---|
3631 | ENDDO |
---|
3632 | |
---|
3633 | ENDIF |
---|
3634 | |
---|
3635 | DO k = nzb+1, nzt |
---|
3636 | |
---|
3637 | def = 2.0_wp * ( dudx(k)**2 + dvdy(k)**2 + dwdz(k)**2 ) + & |
---|
3638 | dudy(k)**2 + dvdx(k)**2 + dwdx(k)**2 + & |
---|
3639 | dwdy(k)**2 + dudz(k)**2 + dvdz(k)**2 + & |
---|
3640 | 2.0_wp * ( dvdx(k)*dudy(k) + dwdx(k)*dudz(k) + & |
---|
3641 | dwdy(k)*dvdz(k) ) |
---|
3642 | |
---|
3643 | IF ( def < 0.0_wp ) def = 0.0_wp |
---|
3644 | |
---|
3645 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),flag_nr) ) |
---|
3646 | |
---|
3647 | IF ( .NOT. diss_production ) THEN |
---|
3648 | |
---|
3649 | !-- Compute tendency for TKE-production from shear |
---|
3650 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def * flag |
---|
3651 | |
---|
3652 | ELSE |
---|
3653 | |
---|
3654 | !-- RANS mode: Compute tendency for dissipation-rate-production from shear |
---|
3655 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def * flag * & |
---|
3656 | diss(k,j,i)/( e(k,j,i) + 1.0E-20_wp ) * c_1 |
---|
3657 | |
---|
3658 | ENDIF |
---|
3659 | |
---|
3660 | ENDDO |
---|
3661 | |
---|
3662 | ! |
---|
3663 | !-- If required, calculate TKE production by buoyancy |
---|
3664 | IF ( .NOT. neutral ) THEN |
---|
3665 | |
---|
3666 | IF ( .NOT. humidity ) THEN |
---|
3667 | |
---|
3668 | IF ( ocean_mode ) THEN |
---|
3669 | ! |
---|
3670 | !-- So far in the ocean no special treatment of density flux |
---|
3671 | !-- in the bottom and top surface layer |
---|
3672 | DO k = nzb+1, nzt |
---|
3673 | tmp_flux(k) = kh(k,j,i) * ( prho(k+1,j,i) - prho(k-1,j,i) ) * dd2zu(k) |
---|
3674 | ENDDO |
---|
3675 | ! |
---|
3676 | !-- Treatment of near-surface grid points, at up- and down- |
---|
3677 | !-- ward facing surfaces |
---|
3678 | IF ( use_surface_fluxes ) THEN |
---|
3679 | DO l = 0, 1 |
---|
3680 | surf_s = surf_def_h(l)%start_index(j,i) |
---|
3681 | surf_e = surf_def_h(l)%end_index(j,i) |
---|
3682 | DO m = surf_s, surf_e |
---|
3683 | k = surf_def_h(l)%k(m) |
---|
3684 | tmp_flux(k) = drho_air_zw(k-1) * surf_def_h(l)%shf(m) |
---|
3685 | ENDDO |
---|
3686 | ENDDO |
---|
3687 | ENDIF |
---|
3688 | |
---|
3689 | IF ( use_top_fluxes ) THEN |
---|
3690 | surf_s = surf_def_h(2)%start_index(j,i) |
---|
3691 | surf_e = surf_def_h(2)%end_index(j,i) |
---|
3692 | DO m = surf_s, surf_e |
---|
3693 | k = surf_def_h(2)%k(m) |
---|
3694 | tmp_flux(k) = drho_air_zw(k) * surf_def_h(2)%shf(m) |
---|
3695 | ENDDO |
---|
3696 | ENDIF |
---|
3697 | |
---|
3698 | IF ( .NOT. diss_production ) THEN |
---|
3699 | |
---|
3700 | !-- Compute tendency for TKE-production from shear |
---|
3701 | DO k = nzb+1, nzt |
---|
3702 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3703 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3704 | MERGE( rho_reference, prho(k,j,i), & |
---|
3705 | use_single_reference_value ) ) |
---|
3706 | ENDDO |
---|
3707 | |
---|
3708 | ELSE |
---|
3709 | |
---|
3710 | !-- RANS mode: Compute tendency for dissipation-rate-production from shear |
---|
3711 | DO k = nzb+1, nzt |
---|
3712 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3713 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3714 | MERGE( rho_reference, prho(k,j,i), & |
---|
3715 | use_single_reference_value ) ) * & |
---|
3716 | diss(k,j,i)/( e(k,j,i) + 1.0E-20_wp ) * & |
---|
3717 | c_3 |
---|
3718 | ENDDO |
---|
3719 | |
---|
3720 | ENDIF |
---|
3721 | |
---|
3722 | |
---|
3723 | ELSE ! or IF ( .NOT. ocean_mode ) THEN |
---|
3724 | |
---|
3725 | DO k = nzb+1, nzt |
---|
3726 | tmp_flux(k) = -1.0_wp * kh(k,j,i) * ( pt(k+1,j,i) - pt(k-1,j,i) ) * dd2zu(k) |
---|
3727 | ENDDO |
---|
3728 | |
---|
3729 | IF ( use_surface_fluxes ) THEN |
---|
3730 | ! |
---|
3731 | !-- Default surfaces, up- and downward-facing |
---|
3732 | DO l = 0, 1 |
---|
3733 | surf_s = surf_def_h(l)%start_index(j,i) |
---|
3734 | surf_e = surf_def_h(l)%end_index(j,i) |
---|
3735 | DO m = surf_s, surf_e |
---|
3736 | k = surf_def_h(l)%k(m) |
---|
3737 | tmp_flux(k) = drho_air_zw(k-1) * surf_def_h(l)%shf(m) |
---|
3738 | ENDDO |
---|
3739 | ENDDO |
---|
3740 | ! |
---|
3741 | !-- Natural surfaces |
---|
3742 | surf_s = surf_lsm_h%start_index(j,i) |
---|
3743 | surf_e = surf_lsm_h%end_index(j,i) |
---|
3744 | DO m = surf_s, surf_e |
---|
3745 | k = surf_lsm_h%k(m) |
---|
3746 | tmp_flux(k) = drho_air_zw(k-1) * surf_lsm_h%shf(m) |
---|
3747 | ENDDO |
---|
3748 | ! |
---|
3749 | !-- Urban surfaces |
---|
3750 | surf_s = surf_usm_h%start_index(j,i) |
---|
3751 | surf_e = surf_usm_h%end_index(j,i) |
---|
3752 | DO m = surf_s, surf_e |
---|
3753 | k = surf_usm_h%k(m) |
---|
3754 | tmp_flux(k) = drho_air_zw(k-1) * surf_usm_h%shf(m) |
---|
3755 | ENDDO |
---|
3756 | ENDIF |
---|
3757 | |
---|
3758 | IF ( use_top_fluxes ) THEN |
---|
3759 | surf_s = surf_def_h(2)%start_index(j,i) |
---|
3760 | surf_e = surf_def_h(2)%end_index(j,i) |
---|
3761 | DO m = surf_s, surf_e |
---|
3762 | k = surf_def_h(2)%k(m) |
---|
3763 | tmp_flux(k) = drho_air_zw(k) * surf_def_h(2)%shf(m) |
---|
3764 | ENDDO |
---|
3765 | ENDIF |
---|
3766 | |
---|
3767 | IF ( .NOT. diss_production ) THEN |
---|
3768 | |
---|
3769 | !-- Compute tendency for TKE-production from shear |
---|
3770 | DO k = nzb+1, nzt |
---|
3771 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3772 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3773 | MERGE( pt_reference, pt(k,j,i), & |
---|
3774 | use_single_reference_value ) ) |
---|
3775 | ENDDO |
---|
3776 | |
---|
3777 | ELSE |
---|
3778 | |
---|
3779 | !-- RANS mode: Compute tendency for dissipation-rate-production from shear |
---|
3780 | DO k = nzb+1, nzt |
---|
3781 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3782 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3783 | MERGE( pt_reference, pt(k,j,i), & |
---|
3784 | use_single_reference_value ) ) * & |
---|
3785 | diss(k,j,i)/( e(k,j,i) + 1.0E-20_wp ) * & |
---|
3786 | c_3 |
---|
3787 | ENDDO |
---|
3788 | |
---|
3789 | ENDIF |
---|
3790 | |
---|
3791 | ENDIF ! from IF ( .NOT. ocean_mode ) |
---|
3792 | |
---|
3793 | ELSE ! or IF ( humidity ) THEN |
---|
3794 | |
---|
3795 | DO k = nzb+1, nzt |
---|
3796 | |
---|
3797 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3798 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3799 | k2 = 0.61_wp * pt(k,j,i) |
---|
3800 | tmp_flux(k) = -1.0_wp * kh(k,j,i) * & |
---|
3801 | ( k1 * ( pt(k+1,j,i) - pt(k-1,j,i) ) + & |
---|
3802 | k2 * ( q(k+1,j,i) - q(k-1,j,i) ) & |
---|
3803 | ) * dd2zu(k) |
---|
3804 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3805 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3806 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3807 | k2 = 0.61_wp * pt(k,j,i) |
---|
3808 | ELSE |
---|
3809 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3810 | temp = theta * exner(k) |
---|
3811 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3812 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3813 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3814 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3815 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3816 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3817 | ENDIF |
---|
3818 | tmp_flux(k) = -1.0_wp * kh(k,j,i) * & |
---|
3819 | ( k1 * ( pt(k+1,j,i) - pt(k-1,j,i) ) + & |
---|
3820 | k2 * ( q(k+1,j,i) - q(k-1,j,i) ) & |
---|
3821 | ) * dd2zu(k) |
---|
3822 | ELSE IF ( cloud_droplets ) THEN |
---|
3823 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3824 | k2 = 0.61_wp * pt(k,j,i) |
---|
3825 | tmp_flux(k) = -1.0_wp * kh(k,j,i) * & |
---|
3826 | ( k1 * ( pt(k+1,j,i) - pt(k-1,j,i) ) + & |
---|
3827 | k2 * ( q(k+1,j,i) - q(k-1,j,i) ) - & |
---|
3828 | pt(k,j,i) * ( ql(k+1,j,i) - & |
---|
3829 | ql(k-1,j,i) ) ) * dd2zu(k) |
---|
3830 | ENDIF |
---|
3831 | |
---|
3832 | ENDDO |
---|
3833 | |
---|
3834 | IF ( use_surface_fluxes ) THEN |
---|
3835 | ! |
---|
3836 | !-- Treat horizontal default surfaces |
---|
3837 | DO l = 0, 1 |
---|
3838 | surf_s = surf_def_h(l)%start_index(j,i) |
---|
3839 | surf_e = surf_def_h(l)%end_index(j,i) |
---|
3840 | DO m = surf_s, surf_e |
---|
3841 | k = surf_def_h(l)%k(m) |
---|
3842 | |
---|
3843 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3844 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3845 | k2 = 0.61_wp * pt(k,j,i) |
---|
3846 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3847 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3848 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3849 | k2 = 0.61_wp * pt(k,j,i) |
---|
3850 | ELSE |
---|
3851 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3852 | temp = theta * exner(k) |
---|
3853 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3854 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3855 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3856 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3857 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3858 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3859 | ENDIF |
---|
3860 | ELSE IF ( cloud_droplets ) THEN |
---|
3861 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3862 | k2 = 0.61_wp * pt(k,j,i) |
---|
3863 | ENDIF |
---|
3864 | |
---|
3865 | tmp_flux(k) = ( k1 * surf_def_h(l)%shf(m) + & |
---|
3866 | k2 * surf_def_h(l)%qsws(m) & |
---|
3867 | ) * drho_air_zw(k-1) |
---|
3868 | ENDDO |
---|
3869 | ENDDO |
---|
3870 | ! |
---|
3871 | !-- Treat horizontal natural surfaces |
---|
3872 | surf_s = surf_lsm_h%start_index(j,i) |
---|
3873 | surf_e = surf_lsm_h%end_index(j,i) |
---|
3874 | DO m = surf_s, surf_e |
---|
3875 | k = surf_lsm_h%k(m) |
---|
3876 | |
---|
3877 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3878 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3879 | k2 = 0.61_wp * pt(k,j,i) |
---|
3880 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3881 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3882 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3883 | k2 = 0.61_wp * pt(k,j,i) |
---|
3884 | ELSE |
---|
3885 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3886 | temp = theta * exner(k) |
---|
3887 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3888 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3889 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3890 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3891 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3892 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3893 | ENDIF |
---|
3894 | ELSE IF ( cloud_droplets ) THEN |
---|
3895 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3896 | k2 = 0.61_wp * pt(k,j,i) |
---|
3897 | ENDIF |
---|
3898 | |
---|
3899 | tmp_flux(k) = ( k1 * surf_lsm_h%shf(m) + & |
---|
3900 | k2 * surf_lsm_h%qsws(m) & |
---|
3901 | ) * drho_air_zw(k-1) |
---|
3902 | ENDDO |
---|
3903 | ! |
---|
3904 | !-- Treat horizontal urban surfaces |
---|
3905 | surf_s = surf_usm_h%start_index(j,i) |
---|
3906 | surf_e = surf_usm_h%end_index(j,i) |
---|
3907 | DO m = surf_s, surf_e |
---|
3908 | k = surf_usm_h%k(m) |
---|
3909 | |
---|
3910 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3911 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3912 | k2 = 0.61_wp * pt(k,j,i) |
---|
3913 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3914 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3915 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3916 | k2 = 0.61_wp * pt(k,j,i) |
---|
3917 | ELSE |
---|
3918 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3919 | temp = theta * exner(k) |
---|
3920 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3921 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3922 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3923 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3924 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3925 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3926 | ENDIF |
---|
3927 | ELSE IF ( cloud_droplets ) THEN |
---|
3928 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3929 | k2 = 0.61_wp * pt(k,j,i) |
---|
3930 | ENDIF |
---|
3931 | |
---|
3932 | tmp_flux(k) = ( k1 * surf_usm_h%shf(m) + & |
---|
3933 | k2 * surf_usm_h%qsws(m) & |
---|
3934 | ) * drho_air_zw(k-1) |
---|
3935 | ENDDO |
---|
3936 | |
---|
3937 | ENDIF ! from IF ( use_surface_fluxes ) THEN |
---|
3938 | |
---|
3939 | IF ( use_top_fluxes ) THEN |
---|
3940 | |
---|
3941 | surf_s = surf_def_h(2)%start_index(j,i) |
---|
3942 | surf_e = surf_def_h(2)%end_index(j,i) |
---|
3943 | DO m = surf_s, surf_e |
---|
3944 | k = surf_def_h(2)%k(m) |
---|
3945 | |
---|
3946 | IF ( .NOT. bulk_cloud_model .AND. .NOT. cloud_droplets ) THEN |
---|
3947 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3948 | k2 = 0.61_wp * pt(k,j,i) |
---|
3949 | ELSE IF ( bulk_cloud_model ) THEN |
---|
3950 | IF ( ql(k,j,i) == 0.0_wp ) THEN |
---|
3951 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) |
---|
3952 | k2 = 0.61_wp * pt(k,j,i) |
---|
3953 | ELSE |
---|
3954 | theta = pt(k,j,i) + d_exner(k) * lv_d_cp * ql(k,j,i) |
---|
3955 | temp = theta * exner(k) |
---|
3956 | k1 = ( 1.0_wp - q(k,j,i) + 1.61_wp * & |
---|
3957 | ( q(k,j,i) - ql(k,j,i) ) * & |
---|
3958 | ( 1.0_wp + rd_d_rv * lv_d_rd / temp ) ) / & |
---|
3959 | ( 1.0_wp + rd_d_rv * lv_d_rd * lv_d_cp * & |
---|
3960 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
---|
3961 | k2 = theta * ( lv_d_cp / temp * k1 - 1.0_wp ) |
---|
3962 | ENDIF |
---|
3963 | ELSE IF ( cloud_droplets ) THEN |
---|
3964 | k1 = 1.0_wp + 0.61_wp * q(k,j,i) - ql(k,j,i) |
---|
3965 | k2 = 0.61_wp * pt(k,j,i) |
---|
3966 | ENDIF |
---|
3967 | |
---|
3968 | tmp_flux(k) = ( k1 * surf_def_h(2)%shf(m) + & |
---|
3969 | k2 * surf_def_h(2)%qsws(m) & |
---|
3970 | ) * drho_air_zw(k) |
---|
3971 | |
---|
3972 | ENDDO |
---|
3973 | |
---|
3974 | ENDIF ! from IF ( use_top_fluxes ) THEN |
---|
3975 | |
---|
3976 | IF ( .NOT. diss_production ) THEN |
---|
3977 | |
---|
3978 | !-- Compute tendency for TKE-production from shear |
---|
3979 | DO k = nzb+1, nzt |
---|
3980 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3981 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3982 | MERGE( vpt_reference, vpt(k,j,i), & |
---|
3983 | use_single_reference_value ) ) |
---|
3984 | ENDDO |
---|
3985 | |
---|
3986 | ELSE |
---|
3987 | |
---|
3988 | !-- RANS mode: Compute tendency for dissipation-rate-production from shear |
---|
3989 | DO k = nzb+1, nzt |
---|
3990 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST(wall_flags_0(k,j,i),0) ) |
---|
3991 | tend(k,j,i) = tend(k,j,i) + flag * tmp_flux(k) * ( g / & |
---|
3992 | MERGE( vpt_reference, vpt(k,j,i), & |
---|
3993 | use_single_reference_value ) ) * & |
---|
3994 | diss(k,j,i)/( e(k,j,i) + 1.0E-20_wp ) * & |
---|
3995 | c_3 |
---|
3996 | ENDDO |
---|
3997 | |
---|
3998 | ENDIF |
---|
3999 | |
---|
4000 | ENDIF |
---|
4001 | |
---|
4002 | ENDIF |
---|
4003 | |
---|
4004 | END SUBROUTINE production_e_ij |
---|
4005 | |
---|
4006 | |
---|
4007 | !------------------------------------------------------------------------------! |
---|
4008 | ! Description: |
---|
4009 | ! ------------ |
---|
4010 | !> Diffusion and dissipation terms for the TKE. |
---|
4011 | !> Vector-optimized version |
---|
4012 | !------------------------------------------------------------------------------! |
---|
4013 | SUBROUTINE diffusion_e( var, var_reference ) |
---|
4014 | |
---|
4015 | #if defined( _OPENACC ) |
---|
4016 | USE arrays_3d, & |
---|
4017 | ONLY: ddzu, dd2zu, ddzw, drho_air, rho_air_zw |
---|
4018 | |
---|
4019 | USE control_parameters, & |
---|
4020 | ONLY: atmos_ocean_sign, use_single_reference_value, & |
---|
4021 | wall_adjustment, wall_adjustment_factor |
---|
4022 | #else |
---|
4023 | USE arrays_3d, & |
---|
4024 | ONLY: ddzu, ddzw, drho_air, rho_air_zw |
---|
4025 | #endif |
---|
4026 | USE grid_variables, & |
---|
4027 | ONLY: ddx2, ddy2 |
---|
4028 | |
---|
4029 | USE bulk_cloud_model_mod, & |
---|
4030 | ONLY: collision_turbulence |
---|
4031 | |
---|
4032 | USE particle_attributes, & |
---|
4033 | ONLY: use_sgs_for_particles, wang_kernel |
---|
4034 | |
---|
4035 | IMPLICIT NONE |
---|
4036 | |
---|
4037 | INTEGER(iwp) :: i !< running index x direction |
---|
4038 | INTEGER(iwp) :: j !< running index y direction |
---|
4039 | INTEGER(iwp) :: k !< running index z direction |
---|
4040 | INTEGER(iwp) :: m !< running index surface elements |
---|
4041 | |
---|
4042 | REAL(wp) :: flag !< flag to mask topography |
---|
4043 | REAL(wp) :: l !< mixing length |
---|
4044 | REAL(wp) :: ll !< adjusted l |
---|
4045 | REAL(wp) :: var_reference !< reference temperature |
---|
4046 | #if defined( _OPENACC ) |
---|
4047 | ! |
---|
4048 | !-- From mixing_length_les: |
---|
4049 | REAL(wp) :: l_stable !< mixing length according to stratification |
---|
4050 | ! |
---|
4051 | !-- From mixing_length_rans: |
---|
4052 | REAL(wp) :: duv2_dz2 !< squared vertical gradient of wind vector |
---|
4053 | REAL(wp) :: l_diss !< mixing length for dissipation |
---|
4054 | REAL(wp) :: rif !< Richardson flux number |
---|
4055 | ! |
---|
4056 | !-- From both: |
---|
4057 | REAL(wp) :: dvar_dz !< vertical gradient of var |
---|
4058 | #endif |
---|
4059 | |
---|
4060 | REAL(wp) :: dissipation !< TKE dissipation |
---|
4061 | |
---|
4062 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< temperature |
---|
4063 | |
---|
4064 | |
---|
4065 | ! |
---|
4066 | !-- Calculate the tendency terms |
---|
4067 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i, j, k) & |
---|
4068 | !$ACC PRIVATE(flag, l, ll, dissipation) & |
---|
4069 | !$ACC PRIVATE(l_stable, duv2_dz2, l_diss, rif, dvar_dz) & |
---|
4070 | !$ACC PRESENT(e, u, v, km, var, wall_flags_0) & |
---|
4071 | !$ACC PRESENT(ddzu, dd2zu, ddzw, rho_air_zw, drho_air) & |
---|
4072 | !$ACC PRESENT(l_black, l_grid, l_wall) & |
---|
4073 | !$ACC PRESENT(diss, tend) |
---|
4074 | DO i = nxl, nxr |
---|
4075 | DO j = nys, nyn |
---|
4076 | DO k = nzb+1, nzt |
---|
4077 | ! |
---|
4078 | !-- Predetermine flag to mask topography |
---|
4079 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4080 | |
---|
4081 | ! |
---|
4082 | !-- Calculate dissipation |
---|
4083 | IF ( les_dynamic .OR. les_mw ) THEN |
---|
4084 | |
---|
4085 | #if defined( _OPENACC ) |
---|
4086 | ! |
---|
4087 | !-- Cannot call subroutine mixing_length_les because after adding all required |
---|
4088 | !-- OpenACC directives the execution crashed reliably when inside the called |
---|
4089 | !-- subroutine. I'm not sure why that is... |
---|
4090 | dvar_dz = atmos_ocean_sign * ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
4091 | IF ( dvar_dz > 0.0_wp ) THEN |
---|
4092 | IF ( use_single_reference_value ) THEN |
---|
4093 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) & |
---|
4094 | / SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
---|
4095 | ELSE |
---|
4096 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) & |
---|
4097 | / SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
---|
4098 | ENDIF |
---|
4099 | ELSE |
---|
4100 | l_stable = l_grid(k) |
---|
4101 | ENDIF |
---|
4102 | ! |
---|
4103 | !-- Adjustment of the mixing length |
---|
4104 | IF ( wall_adjustment ) THEN |
---|
4105 | l = MIN( wall_adjustment_factor * l_wall(k,j,i), l_grid(k), l_stable ) |
---|
4106 | ll = MIN( wall_adjustment_factor * l_wall(k,j,i), l_grid(k) ) |
---|
4107 | ELSE |
---|
4108 | l = MIN( l_grid(k), l_stable ) |
---|
4109 | ll = l_grid(k) |
---|
4110 | ENDIF |
---|
4111 | #else |
---|
4112 | CALL mixing_length_les( i, j, k, l, ll, var, var_reference ) |
---|
4113 | #endif |
---|
4114 | |
---|
4115 | dissipation = ( 0.19_wp + 0.74_wp * l / ll ) & |
---|
4116 | * e(k,j,i) * SQRT( e(k,j,i) ) / l |
---|
4117 | |
---|
4118 | ELSEIF ( rans_tke_l ) THEN |
---|
4119 | |
---|
4120 | #if defined( _OPENACC ) |
---|
4121 | ! |
---|
4122 | !-- Same reason as above... |
---|
4123 | dvar_dz = atmos_ocean_sign * ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
4124 | |
---|
4125 | duv2_dz2 = ( ( u(k+1,j,i) - u(k-1,j,i) ) * dd2zu(k) )**2 & |
---|
4126 | + ( ( v(k+1,j,i) - v(k-1,j,i) ) * dd2zu(k) )**2 & |
---|
4127 | + 1E-30_wp |
---|
4128 | |
---|
4129 | IF ( use_single_reference_value ) THEN |
---|
4130 | rif = g / var_reference * dvar_dz / duv2_dz2 |
---|
4131 | ELSE |
---|
4132 | rif = g / var(k,j,i) * dvar_dz / duv2_dz2 |
---|
4133 | ENDIF |
---|
4134 | |
---|
4135 | rif = MAX( rif, -5.0_wp ) |
---|
4136 | rif = MIN( rif, 1.0_wp ) |
---|
4137 | |
---|
4138 | ! |
---|
4139 | !-- Calculate diabatic mixing length using Dyer-profile functions |
---|
4140 | IF ( rif >= 0.0_wp ) THEN |
---|
4141 | l = MIN( l_black(k) / ( 1.0_wp + 5.0_wp * rif ), l_wall(k,j,i) ) |
---|
4142 | l_diss = l |
---|
4143 | ELSE |
---|
4144 | ! |
---|
4145 | !-- In case of unstable stratification, use mixing length of neutral case |
---|
4146 | !-- for l, but consider profile functions for l_diss |
---|
4147 | l = l_wall(k,j,i) |
---|
4148 | l_diss = l * SQRT( 1.0_wp - 16.0_wp * rif ) |
---|
4149 | ENDIF |
---|
4150 | #else |
---|
4151 | CALL mixing_length_rans( i, j, k, l, ll, var, var_reference ) |
---|
4152 | #endif |
---|
4153 | |
---|
4154 | dissipation = c_0**3 * e(k,j,i) * SQRT( e(k,j,i) ) / ll |
---|
4155 | |
---|
4156 | diss(k,j,i) = dissipation * flag |
---|
4157 | |
---|
4158 | ELSEIF ( rans_tke_e ) THEN |
---|
4159 | |
---|
4160 | dissipation = diss(k,j,i) |
---|
4161 | |
---|
4162 | ENDIF |
---|
4163 | |
---|
4164 | tend(k,j,i) = tend(k,j,i) + ( & |
---|
4165 | ( & |
---|
4166 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
4167 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
4168 | ) * ddx2 * flag & |
---|
4169 | + ( & |
---|
4170 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
4171 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
4172 | ) * ddy2 * flag & |
---|
4173 | + ( & |
---|
4174 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
4175 | * rho_air_zw(k) & |
---|
4176 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
4177 | * rho_air_zw(k-1) & |
---|
4178 | ) * ddzw(k) * drho_air(k) & |
---|
4179 | ) * flag * dsig_e & |
---|
4180 | - dissipation * flag |
---|
4181 | ! |
---|
4182 | !-- Store dissipation if needed for calculating the sgs particle |
---|
4183 | !-- velocities |
---|
4184 | IF ( .NOT. rans_tke_e .AND. ( use_sgs_for_particles .OR. & |
---|
4185 | wang_kernel .OR. collision_turbulence ) ) THEN |
---|
4186 | diss(k,j,i) = dissipation * flag |
---|
4187 | ENDIF |
---|
4188 | |
---|
4189 | ENDDO |
---|
4190 | ENDDO |
---|
4191 | ENDDO |
---|
4192 | |
---|
4193 | ! |
---|
4194 | !-- Neumann boundary condition for dissipation diss(nzb,:,:) = diss(nzb+1,:,:). |
---|
4195 | !-- Note, bc cannot be set in tcm_boundary conditions as the dissipation |
---|
4196 | !-- in LES mode is only a diagnostic quantity. |
---|
4197 | IF ( .NOT. rans_tke_e .AND. ( use_sgs_for_particles .OR. & |
---|
4198 | wang_kernel .OR. collision_turbulence ) ) THEN |
---|
4199 | ! |
---|
4200 | !-- Upward facing surfaces |
---|
4201 | DO m = 1, bc_h(0)%ns |
---|
4202 | i = bc_h(0)%i(m) |
---|
4203 | j = bc_h(0)%j(m) |
---|
4204 | k = bc_h(0)%k(m) |
---|
4205 | diss(k-1,j,i) = diss(k,j,i) |
---|
4206 | ENDDO |
---|
4207 | ! |
---|
4208 | !-- Downward facing surfaces |
---|
4209 | DO m = 1, bc_h(1)%ns |
---|
4210 | i = bc_h(1)%i(m) |
---|
4211 | j = bc_h(1)%j(m) |
---|
4212 | k = bc_h(1)%k(m) |
---|
4213 | diss(k+1,j,i) = diss(k,j,i) |
---|
4214 | ENDDO |
---|
4215 | |
---|
4216 | ENDIF |
---|
4217 | |
---|
4218 | END SUBROUTINE diffusion_e |
---|
4219 | |
---|
4220 | |
---|
4221 | !------------------------------------------------------------------------------! |
---|
4222 | ! Description: |
---|
4223 | ! ------------ |
---|
4224 | !> Diffusion and dissipation terms for the TKE. |
---|
4225 | !> Cache-optimized version |
---|
4226 | !------------------------------------------------------------------------------! |
---|
4227 | SUBROUTINE diffusion_e_ij( i, j, var, var_reference ) |
---|
4228 | |
---|
4229 | USE arrays_3d, & |
---|
4230 | ONLY: ddzu, ddzw, drho_air, rho_air_zw |
---|
4231 | |
---|
4232 | USE grid_variables, & |
---|
4233 | ONLY: ddx2, ddy2 |
---|
4234 | |
---|
4235 | USE bulk_cloud_model_mod, & |
---|
4236 | ONLY: collision_turbulence |
---|
4237 | |
---|
4238 | USE particle_attributes, & |
---|
4239 | ONLY: use_sgs_for_particles, wang_kernel |
---|
4240 | |
---|
4241 | IMPLICIT NONE |
---|
4242 | |
---|
4243 | INTEGER(iwp) :: i !< running index x direction |
---|
4244 | INTEGER(iwp) :: j !< running index y direction |
---|
4245 | INTEGER(iwp) :: k !< running index z direction |
---|
4246 | INTEGER(iwp) :: m !< running index surface elements |
---|
4247 | INTEGER(iwp) :: surf_e !< End index of surface elements at (j,i)-gridpoint |
---|
4248 | INTEGER(iwp) :: surf_s !< Start index of surface elements at (j,i)-gridpoint |
---|
4249 | |
---|
4250 | REAL(wp) :: flag !< flag to mask topography |
---|
4251 | REAL(wp) :: l !< mixing length |
---|
4252 | REAL(wp) :: ll !< adjusted l |
---|
4253 | REAL(wp) :: var_reference !< reference temperature |
---|
4254 | |
---|
4255 | REAL(wp), DIMENSION(nzb+1:nzt) :: dissipation !< dissipation of TKE |
---|
4256 | |
---|
4257 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< temperature |
---|
4258 | |
---|
4259 | ! |
---|
4260 | !-- Calculate the mixing length (for dissipation) |
---|
4261 | DO k = nzb+1, nzt |
---|
4262 | ! |
---|
4263 | !-- Predetermine flag to mask topography |
---|
4264 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4265 | |
---|
4266 | ! |
---|
4267 | !-- Calculate dissipation... |
---|
4268 | !-- ...in case of LES |
---|
4269 | IF ( les_dynamic .OR. les_mw ) THEN |
---|
4270 | |
---|
4271 | CALL mixing_length_les( i, j, k, l, ll, var, var_reference ) |
---|
4272 | |
---|
4273 | dissipation(k) = ( 0.19_wp + 0.74_wp * l / ll ) & |
---|
4274 | * e(k,j,i) * SQRT( e(k,j,i) ) / l |
---|
4275 | |
---|
4276 | ! |
---|
4277 | !-- ...in case of RANS |
---|
4278 | ELSEIF ( rans_tke_l ) THEN |
---|
4279 | |
---|
4280 | CALL mixing_length_rans( i, j, k, l, ll, var, var_reference ) |
---|
4281 | |
---|
4282 | dissipation(k) = c_0**3 * e(k,j,i) * SQRT( e(k,j,i) ) / ll |
---|
4283 | |
---|
4284 | diss(k,j,i) = dissipation(k) * flag |
---|
4285 | |
---|
4286 | ELSEIF ( rans_tke_e ) THEN |
---|
4287 | |
---|
4288 | dissipation(k) = diss(k,j,i) |
---|
4289 | |
---|
4290 | ENDIF |
---|
4291 | |
---|
4292 | ! |
---|
4293 | !-- Calculate the tendency term |
---|
4294 | tend(k,j,i) = tend(k,j,i) + ( & |
---|
4295 | ( & |
---|
4296 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
4297 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
4298 | ) * ddx2 & |
---|
4299 | + ( & |
---|
4300 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
4301 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
4302 | ) * ddy2 & |
---|
4303 | + ( & |
---|
4304 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
4305 | * rho_air_zw(k) & |
---|
4306 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
4307 | * rho_air_zw(k-1) & |
---|
4308 | ) * ddzw(k) * drho_air(k) & |
---|
4309 | ) * flag * dsig_e & |
---|
4310 | - dissipation(k) * flag |
---|
4311 | |
---|
4312 | ENDDO |
---|
4313 | |
---|
4314 | ! |
---|
4315 | !-- Store dissipation if needed for calculating the sgs particle velocities |
---|
4316 | IF ( .NOT. rans_tke_e .AND. ( use_sgs_for_particles .OR. wang_kernel & |
---|
4317 | .OR. collision_turbulence ) ) THEN |
---|
4318 | DO k = nzb+1, nzt |
---|
4319 | diss(k,j,i) = dissipation(k) * MERGE( 1.0_wp, 0.0_wp, & |
---|
4320 | BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4321 | ENDDO |
---|
4322 | ! |
---|
4323 | !-- Neumann boundary condition for dissipation diss(nzb,:,:) = diss(nzb+1,:,:) |
---|
4324 | !-- For each surface type determine start and end index (in case of elevated |
---|
4325 | !-- topography several up/downward facing surfaces may exist. |
---|
4326 | !-- Note, bc cannot be set in tcm_boundary conditions as the dissipation |
---|
4327 | !-- in LES mode is only a diagnostic quantity. |
---|
4328 | surf_s = bc_h(0)%start_index(j,i) |
---|
4329 | surf_e = bc_h(0)%end_index(j,i) |
---|
4330 | DO m = surf_s, surf_e |
---|
4331 | k = bc_h(0)%k(m) |
---|
4332 | diss(k-1,j,i) = diss(k,j,i) |
---|
4333 | ENDDO |
---|
4334 | ! |
---|
4335 | !-- Downward facing surfaces |
---|
4336 | surf_s = bc_h(1)%start_index(j,i) |
---|
4337 | surf_e = bc_h(1)%end_index(j,i) |
---|
4338 | DO m = surf_s, surf_e |
---|
4339 | k = bc_h(1)%k(m) |
---|
4340 | diss(k+1,j,i) = diss(k,j,i) |
---|
4341 | ENDDO |
---|
4342 | ENDIF |
---|
4343 | |
---|
4344 | END SUBROUTINE diffusion_e_ij |
---|
4345 | |
---|
4346 | |
---|
4347 | !------------------------------------------------------------------------------! |
---|
4348 | ! Description: |
---|
4349 | ! ------------ |
---|
4350 | !> Diffusion term for the TKE dissipation rate |
---|
4351 | !> Vector-optimized version |
---|
4352 | !------------------------------------------------------------------------------! |
---|
4353 | SUBROUTINE diffusion_diss |
---|
4354 | USE arrays_3d, & |
---|
4355 | ONLY: ddzu, ddzw, drho_air, rho_air_zw |
---|
4356 | |
---|
4357 | USE grid_variables, & |
---|
4358 | ONLY: ddx2, ddy2 |
---|
4359 | |
---|
4360 | IMPLICIT NONE |
---|
4361 | |
---|
4362 | INTEGER(iwp) :: i !< running index x direction |
---|
4363 | INTEGER(iwp) :: j !< running index y direction |
---|
4364 | INTEGER(iwp) :: k !< running index z direction |
---|
4365 | |
---|
4366 | REAL(wp) :: flag !< flag to mask topography |
---|
4367 | |
---|
4368 | ! |
---|
4369 | !-- Calculate the tendency terms |
---|
4370 | DO i = nxl, nxr |
---|
4371 | DO j = nys, nyn |
---|
4372 | DO k = nzb+1, nzt |
---|
4373 | |
---|
4374 | ! |
---|
4375 | !-- Predetermine flag to mask topography |
---|
4376 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4377 | |
---|
4378 | tend(k,j,i) = tend(k,j,i) + & |
---|
4379 | ( ( & |
---|
4380 | ( km(k,j,i)+km(k,j,i+1) ) * ( diss(k,j,i+1)-diss(k,j,i) ) & |
---|
4381 | - ( km(k,j,i)+km(k,j,i-1) ) * ( diss(k,j,i)-diss(k,j,i-1) ) & |
---|
4382 | ) * ddx2 & |
---|
4383 | + ( & |
---|
4384 | ( km(k,j,i)+km(k,j+1,i) ) * ( diss(k,j+1,i)-diss(k,j,i) ) & |
---|
4385 | - ( km(k,j,i)+km(k,j-1,i) ) * ( diss(k,j,i)-diss(k,j-1,i) ) & |
---|
4386 | ) * ddy2 & |
---|
4387 | + ( & |
---|
4388 | ( km(k,j,i)+km(k+1,j,i) ) * ( diss(k+1,j,i)-diss(k,j,i) ) * ddzu(k+1) & |
---|
4389 | * rho_air_zw(k) & |
---|
4390 | - ( km(k,j,i)+km(k-1,j,i) ) * ( diss(k,j,i)-diss(k-1,j,i) ) * ddzu(k) & |
---|
4391 | * rho_air_zw(k-1) & |
---|
4392 | ) * ddzw(k) * drho_air(k) & |
---|
4393 | ) * flag * dsig_diss & |
---|
4394 | - c_2 * diss(k,j,i)**2 & |
---|
4395 | / ( e(k,j,i) + 1.0E-20_wp ) * flag |
---|
4396 | |
---|
4397 | ENDDO |
---|
4398 | ENDDO |
---|
4399 | ENDDO |
---|
4400 | |
---|
4401 | END SUBROUTINE diffusion_diss |
---|
4402 | |
---|
4403 | |
---|
4404 | !------------------------------------------------------------------------------! |
---|
4405 | ! Description: |
---|
4406 | ! ------------ |
---|
4407 | !> Diffusion term for the TKE dissipation rate |
---|
4408 | !> Cache-optimized version |
---|
4409 | !------------------------------------------------------------------------------! |
---|
4410 | SUBROUTINE diffusion_diss_ij( i, j ) |
---|
4411 | |
---|
4412 | USE arrays_3d, & |
---|
4413 | ONLY: ddzu, ddzw, drho_air, rho_air_zw |
---|
4414 | |
---|
4415 | USE grid_variables, & |
---|
4416 | ONLY: ddx2, ddy2 |
---|
4417 | |
---|
4418 | IMPLICIT NONE |
---|
4419 | |
---|
4420 | INTEGER(iwp) :: i !< running index x direction |
---|
4421 | INTEGER(iwp) :: j !< running index y direction |
---|
4422 | INTEGER(iwp) :: k !< running index z direction |
---|
4423 | |
---|
4424 | REAL(wp) :: flag !< flag to mask topography |
---|
4425 | |
---|
4426 | ! |
---|
4427 | !-- Calculate the mixing length (for dissipation) |
---|
4428 | DO k = nzb+1, nzt |
---|
4429 | |
---|
4430 | ! |
---|
4431 | !-- Predetermine flag to mask topography |
---|
4432 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4433 | |
---|
4434 | ! |
---|
4435 | !-- Calculate the tendency term |
---|
4436 | tend(k,j,i) = tend(k,j,i) + & |
---|
4437 | ( ( & |
---|
4438 | ( km(k,j,i)+km(k,j,i+1) ) * ( diss(k,j,i+1)-diss(k,j,i) ) & |
---|
4439 | - ( km(k,j,i)+km(k,j,i-1) ) * ( diss(k,j,i)-diss(k,j,i-1) ) & |
---|
4440 | ) * ddx2 & |
---|
4441 | + ( & |
---|
4442 | ( km(k,j,i)+km(k,j+1,i) ) * ( diss(k,j+1,i)-diss(k,j,i) ) & |
---|
4443 | - ( km(k,j,i)+km(k,j-1,i) ) * ( diss(k,j,i)-diss(k,j-1,i) ) & |
---|
4444 | ) * ddy2 & |
---|
4445 | + ( & |
---|
4446 | ( km(k,j,i)+km(k+1,j,i) ) * ( diss(k+1,j,i)-diss(k,j,i) ) * ddzu(k+1) & |
---|
4447 | * rho_air_zw(k) & |
---|
4448 | - ( km(k,j,i)+km(k-1,j,i) ) * ( diss(k,j,i)-diss(k-1,j,i) ) * ddzu(k) & |
---|
4449 | * rho_air_zw(k-1) & |
---|
4450 | ) * ddzw(k) * drho_air(k) & |
---|
4451 | ) * flag * dsig_diss & |
---|
4452 | - c_2 * diss(k,j,i)**2 / ( e(k,j,i) + 1.0E-20_wp ) * flag |
---|
4453 | |
---|
4454 | ENDDO |
---|
4455 | |
---|
4456 | END SUBROUTINE diffusion_diss_ij |
---|
4457 | |
---|
4458 | |
---|
4459 | !------------------------------------------------------------------------------! |
---|
4460 | ! Description: |
---|
4461 | ! ------------ |
---|
4462 | !> Calculate mixing length for LES mode. |
---|
4463 | !------------------------------------------------------------------------------! |
---|
4464 | SUBROUTINE mixing_length_les( i, j, k, l, ll, var, var_reference ) |
---|
4465 | |
---|
4466 | USE arrays_3d, & |
---|
4467 | ONLY: dd2zu |
---|
4468 | |
---|
4469 | USE control_parameters, & |
---|
4470 | ONLY: atmos_ocean_sign, use_single_reference_value, & |
---|
4471 | wall_adjustment, wall_adjustment_factor |
---|
4472 | |
---|
4473 | IMPLICIT NONE |
---|
4474 | |
---|
4475 | INTEGER(iwp) :: i !< loop index |
---|
4476 | INTEGER(iwp) :: j !< loop index |
---|
4477 | INTEGER(iwp) :: k !< loop index |
---|
4478 | |
---|
4479 | REAL(wp) :: dvar_dz !< vertical gradient of var |
---|
4480 | REAL(wp) :: l !< mixing length |
---|
4481 | REAL(wp) :: l_stable !< mixing length according to stratification |
---|
4482 | REAL(wp) :: ll !< adjusted l_grid |
---|
4483 | REAL(wp) :: var_reference !< var at reference height |
---|
4484 | |
---|
4485 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< temperature |
---|
4486 | |
---|
4487 | |
---|
4488 | dvar_dz = atmos_ocean_sign * ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
4489 | IF ( dvar_dz > 0.0_wp ) THEN |
---|
4490 | IF ( use_single_reference_value ) THEN |
---|
4491 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) & |
---|
4492 | / SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
---|
4493 | ELSE |
---|
4494 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) & |
---|
4495 | / SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
---|
4496 | ENDIF |
---|
4497 | ELSE |
---|
4498 | l_stable = l_grid(k) |
---|
4499 | ENDIF |
---|
4500 | ! |
---|
4501 | !-- Adjustment of the mixing length |
---|
4502 | IF ( wall_adjustment ) THEN |
---|
4503 | l = MIN( wall_adjustment_factor * l_wall(k,j,i), l_grid(k), l_stable ) |
---|
4504 | ll = MIN( wall_adjustment_factor * l_wall(k,j,i), l_grid(k) ) |
---|
4505 | ELSE |
---|
4506 | l = MIN( l_grid(k), l_stable ) |
---|
4507 | ll = l_grid(k) |
---|
4508 | ENDIF |
---|
4509 | |
---|
4510 | END SUBROUTINE mixing_length_les |
---|
4511 | |
---|
4512 | |
---|
4513 | !------------------------------------------------------------------------------! |
---|
4514 | ! Description: |
---|
4515 | ! ------------ |
---|
4516 | !> Calculate mixing length for RANS mode. |
---|
4517 | !------------------------------------------------------------------------------! |
---|
4518 | SUBROUTINE mixing_length_rans( i, j, k, l, l_diss, var, var_reference ) |
---|
4519 | |
---|
4520 | USE arrays_3d, & |
---|
4521 | ONLY: dd2zu |
---|
4522 | |
---|
4523 | USE control_parameters, & |
---|
4524 | ONLY: atmos_ocean_sign, use_single_reference_value |
---|
4525 | |
---|
4526 | IMPLICIT NONE |
---|
4527 | |
---|
4528 | INTEGER(iwp) :: i !< loop index |
---|
4529 | INTEGER(iwp) :: j !< loop index |
---|
4530 | INTEGER(iwp) :: k !< loop index |
---|
4531 | |
---|
4532 | REAL(wp) :: duv2_dz2 !< squared vertical gradient of wind vector |
---|
4533 | REAL(wp) :: dvar_dz !< vertical gradient of var |
---|
4534 | REAL(wp) :: l !< mixing length |
---|
4535 | REAL(wp) :: l_diss !< mixing length for dissipation |
---|
4536 | REAL(wp) :: rif !< Richardson flux number |
---|
4537 | REAL(wp) :: var_reference !< var at reference height |
---|
4538 | |
---|
4539 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< temperature |
---|
4540 | |
---|
4541 | |
---|
4542 | dvar_dz = atmos_ocean_sign * ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
4543 | |
---|
4544 | duv2_dz2 = ( ( u(k+1,j,i) - u(k-1,j,i) ) * dd2zu(k) )**2 & |
---|
4545 | + ( ( v(k+1,j,i) - v(k-1,j,i) ) * dd2zu(k) )**2 & |
---|
4546 | + 1E-30_wp |
---|
4547 | |
---|
4548 | IF ( use_single_reference_value ) THEN |
---|
4549 | rif = g / var_reference * dvar_dz / duv2_dz2 |
---|
4550 | ELSE |
---|
4551 | rif = g / var(k,j,i) * dvar_dz / duv2_dz2 |
---|
4552 | ENDIF |
---|
4553 | |
---|
4554 | rif = MAX( rif, -5.0_wp ) |
---|
4555 | rif = MIN( rif, 1.0_wp ) |
---|
4556 | |
---|
4557 | ! |
---|
4558 | !-- Calculate diabatic mixing length using Dyer-profile functions |
---|
4559 | IF ( rif >= 0.0_wp ) THEN |
---|
4560 | l = MIN( l_black(k) / ( 1.0_wp + 5.0_wp * rif ), l_wall(k,j,i) ) |
---|
4561 | l_diss = l |
---|
4562 | ELSE |
---|
4563 | ! |
---|
4564 | !-- In case of unstable stratification, use mixing length of neutral case |
---|
4565 | !-- for l, but consider profile functions for l_diss |
---|
4566 | l = l_wall(k,j,i) |
---|
4567 | l_diss = l * SQRT( 1.0_wp - 16.0_wp * rif ) |
---|
4568 | ENDIF |
---|
4569 | |
---|
4570 | END SUBROUTINE mixing_length_rans |
---|
4571 | |
---|
4572 | |
---|
4573 | !------------------------------------------------------------------------------! |
---|
4574 | ! Description: |
---|
4575 | ! ------------ |
---|
4576 | !> Computation of the turbulent diffusion coefficients for momentum and heat. |
---|
4577 | !> @bug unstable stratification is not properly considered for kh in rans mode. |
---|
4578 | !------------------------------------------------------------------------------! |
---|
4579 | SUBROUTINE tcm_diffusivities( var, var_reference ) |
---|
4580 | |
---|
4581 | USE control_parameters, & |
---|
4582 | ONLY: bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s, & |
---|
4583 | e_min |
---|
4584 | |
---|
4585 | USE surface_layer_fluxes_mod, & |
---|
4586 | ONLY: phi_m |
---|
4587 | |
---|
4588 | INTEGER(iwp) :: i !< loop index |
---|
4589 | INTEGER(iwp) :: j !< loop index |
---|
4590 | INTEGER(iwp) :: k !< loop index |
---|
4591 | INTEGER(iwp) :: m !< loop index |
---|
4592 | INTEGER(iwp) :: n !< loop index |
---|
4593 | |
---|
4594 | REAL(wp) :: var_reference !< reference temperature |
---|
4595 | |
---|
4596 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< temperature |
---|
4597 | |
---|
4598 | |
---|
4599 | ! |
---|
4600 | !-- Introduce an optional minimum tke |
---|
4601 | IF ( e_min > 0.0_wp ) THEN |
---|
4602 | !$OMP PARALLEL DO PRIVATE(i,j,k) |
---|
4603 | DO i = nxlg, nxrg |
---|
4604 | DO j = nysg, nyng |
---|
4605 | DO k = nzb+1, nzt |
---|
4606 | e(k,j,i) = MAX( e(k,j,i), e_min ) * & |
---|
4607 | MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4608 | ENDDO |
---|
4609 | ENDDO |
---|
4610 | ENDDO |
---|
4611 | ENDIF |
---|
4612 | |
---|
4613 | ! |
---|
4614 | !-- Call default diffusivities routine. This is always used to calculate kh. |
---|
4615 | CALL tcm_diffusivities_default( var, var_reference ) |
---|
4616 | ! |
---|
4617 | !-- Call dynamic subgrid model to calculate km. |
---|
4618 | IF ( les_dynamic ) THEN |
---|
4619 | CALL tcm_diffusivities_dynamic |
---|
4620 | ENDIF |
---|
4621 | |
---|
4622 | ! |
---|
4623 | !-- In RANS mode, use MOST to calculate km and kh within the surface layer. |
---|
4624 | IF ( rans_tke_e ) THEN |
---|
4625 | ! |
---|
4626 | !-- Upward facing surfaces |
---|
4627 | !-- Default surfaces |
---|
4628 | n = 0 |
---|
4629 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
4630 | DO m = 1, surf_def_h(0)%ns |
---|
4631 | i = surf_def_h(0)%i(m) |
---|
4632 | j = surf_def_h(0)%j(m) |
---|
4633 | k = surf_def_h(0)%k(m) |
---|
4634 | km(k,j,i) = kappa * surf_def_h(0)%us(m) * surf_def_h(0)%z_mo(m) / & |
---|
4635 | phi_m( surf_def_h(0)%z_mo(m) / surf_def_h(0)%ol(m) ) |
---|
4636 | kh(k,j,i) = 1.35_wp * km(k,j,i) |
---|
4637 | ENDDO |
---|
4638 | ! |
---|
4639 | !-- Natural surfaces |
---|
4640 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
4641 | DO m = 1, surf_lsm_h%ns |
---|
4642 | i = surf_lsm_h%i(m) |
---|
4643 | j = surf_lsm_h%j(m) |
---|
4644 | k = surf_lsm_h%k(m) |
---|
4645 | km(k,j,i) = kappa * surf_lsm_h%us(m) * surf_lsm_h%z_mo(m) / & |
---|
4646 | phi_m( surf_lsm_h%z_mo(m) / surf_lsm_h%ol(m) ) |
---|
4647 | kh(k,j,i) = 1.35_wp * km(k,j,i) |
---|
4648 | ENDDO |
---|
4649 | ! |
---|
4650 | !-- Urban surfaces |
---|
4651 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
4652 | DO m = 1, surf_usm_h%ns |
---|
4653 | i = surf_usm_h%i(m) |
---|
4654 | j = surf_usm_h%j(m) |
---|
4655 | k = surf_usm_h%k(m) |
---|
4656 | km(k,j,i) = kappa * surf_usm_h%us(m) * surf_usm_h%z_mo(m) / & |
---|
4657 | phi_m( surf_usm_h%z_mo(m) / surf_usm_h%ol(m) ) |
---|
4658 | kh(k,j,i) = 1.35_wp * km(k,j,i) |
---|
4659 | ENDDO |
---|
4660 | |
---|
4661 | ! |
---|
4662 | !-- North-, south-, west and eastward facing surfaces |
---|
4663 | !-- Do not consider stratification at these surfaces. |
---|
4664 | DO n = 0, 3 |
---|
4665 | ! |
---|
4666 | !-- Default surfaces |
---|
4667 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
4668 | DO m = 1, surf_def_v(n)%ns |
---|
4669 | i = surf_def_v(n)%i(m) |
---|
4670 | j = surf_def_v(n)%j(m) |
---|
4671 | k = surf_def_v(n)%k(m) |
---|
4672 | km(k,j,i) = kappa * surf_def_v(n)%us(m) * surf_def_v(n)%z_mo(m) |
---|
4673 | kh(k,j,i) = 1.35_wp * km(k,j,i) |
---|
4674 | ENDDO |
---|
4675 | ! |
---|
4676 | !-- Natural surfaces |
---|
4677 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
4678 | DO m = 1, surf_lsm_v(n)%ns |
---|
4679 | i = surf_lsm_v(n)%i(m) |
---|
4680 | j = surf_lsm_v(n)%j(m) |
---|
4681 | k = surf_lsm_v(n)%k(m) |
---|
4682 | km(k,j,i) = kappa * surf_lsm_v(n)%us(m) * surf_lsm_v(n)%z_mo(m) |
---|
4683 | kh(k,j,i) = 1.35_wp * km(k,j,i) |
---|
4684 | ENDDO |
---|
4685 | ! |
---|
4686 | !-- Urban surfaces |
---|
4687 | !$OMP PARALLEL DO PRIVATE(i,j,k,m) |
---|
4688 | DO m = 1, surf_usm_v(n)%ns |
---|
4689 | i = surf_usm_v(n)%i(m) |
---|
4690 | j = surf_usm_v(n)%j(m) |
---|
4691 | k = surf_usm_v(n)%k(m) |
---|
4692 | km(k,j,i) = kappa * surf_usm_v(n)%us(m) * surf_usm_v(n)%z_mo(m) |
---|
4693 | kh(k,j,i) = 1.35_wp * km(k,j,i) |
---|
4694 | ENDDO |
---|
4695 | ENDDO |
---|
4696 | |
---|
4697 | CALL exchange_horiz( km, nbgp ) |
---|
4698 | CALL exchange_horiz( kh, nbgp ) |
---|
4699 | |
---|
4700 | ENDIF |
---|
4701 | ! |
---|
4702 | !-- Set boundary values (Neumann conditions) |
---|
4703 | !-- Downward facing surfaces |
---|
4704 | !$OMP PARALLEL DO PRIVATE(i,j,k) |
---|
4705 | !$ACC PARALLEL LOOP PRIVATE(i,j,k) & |
---|
4706 | !$ACC PRESENT(bc_h(1), kh, km) |
---|
4707 | DO m = 1, bc_h(1)%ns |
---|
4708 | i = bc_h(1)%i(m) |
---|
4709 | j = bc_h(1)%j(m) |
---|
4710 | k = bc_h(1)%k(m) |
---|
4711 | km(k+1,j,i) = km(k,j,i) |
---|
4712 | kh(k+1,j,i) = kh(k,j,i) |
---|
4713 | ENDDO |
---|
4714 | ! |
---|
4715 | !-- Downward facing surfaces |
---|
4716 | !$OMP PARALLEL DO PRIVATE(i,j,k) |
---|
4717 | !$ACC PARALLEL LOOP PRIVATE(i,j,k) & |
---|
4718 | !$ACC PRESENT(bc_h(0), kh, km) |
---|
4719 | DO m = 1, bc_h(0)%ns |
---|
4720 | i = bc_h(0)%i(m) |
---|
4721 | j = bc_h(0)%j(m) |
---|
4722 | k = bc_h(0)%k(m) |
---|
4723 | km(k-1,j,i) = km(k,j,i) |
---|
4724 | kh(k-1,j,i) = kh(k,j,i) |
---|
4725 | ENDDO |
---|
4726 | ! |
---|
4727 | !-- Model top |
---|
4728 | !$OMP PARALLEL DO |
---|
4729 | !$ACC PARALLEL LOOP COLLAPSE(2) & |
---|
4730 | !$ACC PRESENT(kh, km) |
---|
4731 | DO i = nxlg, nxrg |
---|
4732 | DO j = nysg, nyng |
---|
4733 | km(nzt+1,j,i) = km(nzt,j,i) |
---|
4734 | kh(nzt+1,j,i) = kh(nzt,j,i) |
---|
4735 | ENDDO |
---|
4736 | ENDDO |
---|
4737 | |
---|
4738 | ! |
---|
4739 | !-- Set Neumann boundary conditions at the outflow boundaries in case of |
---|
4740 | !-- non-cyclic lateral boundaries |
---|
4741 | IF ( bc_radiation_l ) THEN |
---|
4742 | km(:,:,nxl-1) = km(:,:,nxl) |
---|
4743 | kh(:,:,nxl-1) = kh(:,:,nxl) |
---|
4744 | ENDIF |
---|
4745 | IF ( bc_radiation_r ) THEN |
---|
4746 | km(:,:,nxr+1) = km(:,:,nxr) |
---|
4747 | kh(:,:,nxr+1) = kh(:,:,nxr) |
---|
4748 | ENDIF |
---|
4749 | IF ( bc_radiation_s ) THEN |
---|
4750 | km(:,nys-1,:) = km(:,nys,:) |
---|
4751 | kh(:,nys-1,:) = kh(:,nys,:) |
---|
4752 | ENDIF |
---|
4753 | IF ( bc_radiation_n ) THEN |
---|
4754 | km(:,nyn+1,:) = km(:,nyn,:) |
---|
4755 | kh(:,nyn+1,:) = kh(:,nyn,:) |
---|
4756 | ENDIF |
---|
4757 | |
---|
4758 | END SUBROUTINE tcm_diffusivities |
---|
4759 | |
---|
4760 | |
---|
4761 | !------------------------------------------------------------------------------! |
---|
4762 | ! Description: |
---|
4763 | ! ------------ |
---|
4764 | !> Computation of the turbulent diffusion coefficients for momentum and heat |
---|
4765 | !> according to Prandtl-Kolmogorov. |
---|
4766 | !------------------------------------------------------------------------------! |
---|
4767 | SUBROUTINE tcm_diffusivities_default( var, var_reference ) |
---|
4768 | |
---|
4769 | #if defined( _OPENACC ) |
---|
4770 | USE arrays_3d, & |
---|
4771 | ONLY: dd2zu |
---|
4772 | |
---|
4773 | USE control_parameters, & |
---|
4774 | ONLY: atmos_ocean_sign, use_single_reference_value, & |
---|
4775 | wall_adjustment, wall_adjustment_factor |
---|
4776 | #endif |
---|
4777 | |
---|
4778 | USE statistics, & |
---|
4779 | ONLY : rmask, sums_l_l |
---|
4780 | |
---|
4781 | IMPLICIT NONE |
---|
4782 | |
---|
4783 | INTEGER(iwp) :: i !< loop index |
---|
4784 | INTEGER(iwp) :: j !< loop index |
---|
4785 | INTEGER(iwp) :: k !< loop index |
---|
4786 | !$ INTEGER(iwp) :: omp_get_thread_num !< opemmp function to get thread number |
---|
4787 | INTEGER(iwp) :: sr !< statistic region |
---|
4788 | INTEGER(iwp) :: tn !< thread number |
---|
4789 | |
---|
4790 | REAL(wp) :: flag !< topography flag |
---|
4791 | REAL(wp) :: l !< mixing length |
---|
4792 | REAL(wp) :: ll !< adjusted mixing length |
---|
4793 | REAL(wp) :: var_reference !< reference temperature |
---|
4794 | #if defined( _OPENACC ) |
---|
4795 | ! |
---|
4796 | !-- From mixing_length_les: |
---|
4797 | REAL(wp) :: l_stable !< mixing length according to stratification |
---|
4798 | REAL(wp) :: dvar_dz !< vertical gradient of var |
---|
4799 | #endif |
---|
4800 | |
---|
4801 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< temperature |
---|
4802 | |
---|
4803 | |
---|
4804 | ! |
---|
4805 | !-- Default thread number in case of one thread |
---|
4806 | tn = 0 |
---|
4807 | |
---|
4808 | ! |
---|
4809 | !-- Initialization for calculation of the mixing length profile |
---|
4810 | !$ACC KERNELS PRESENT(sums_l_l) |
---|
4811 | sums_l_l = 0.0_wp |
---|
4812 | !$ACC END KERNELS |
---|
4813 | |
---|
4814 | ! |
---|
4815 | !-- Compute the turbulent diffusion coefficient for momentum |
---|
4816 | !$OMP PARALLEL PRIVATE (i,j,k,l,ll,sr,tn,flag) |
---|
4817 | !$ tn = omp_get_thread_num() |
---|
4818 | |
---|
4819 | IF ( les_dynamic .OR. les_mw ) THEN |
---|
4820 | !$OMP DO |
---|
4821 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(sr) & |
---|
4822 | !$ACC PRIVATE(flag, dvar_dz, l_stable, l, ll) & |
---|
4823 | !$ACC PRESENT(wall_flags_0, var, dd2zu, e, l_wall, l_grid, rmask) & |
---|
4824 | !$ACC PRESENT(kh, km, sums_l_l) |
---|
4825 | DO i = nxlg, nxrg |
---|
4826 | DO j = nysg, nyng |
---|
4827 | DO k = nzb+1, nzt |
---|
4828 | |
---|
4829 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4830 | |
---|
4831 | ! |
---|
4832 | !-- Determine the mixing length for LES closure |
---|
4833 | #if defined( _OPENACC ) |
---|
4834 | ! |
---|
4835 | !-- Cannot call subroutine mixing_length_les because after adding all required |
---|
4836 | !-- OpenACC directives the execution crashed reliably when inside the called |
---|
4837 | !-- subroutine. I'm not sure why that is... |
---|
4838 | dvar_dz = atmos_ocean_sign * ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
4839 | IF ( dvar_dz > 0.0_wp ) THEN |
---|
4840 | IF ( use_single_reference_value ) THEN |
---|
4841 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) & |
---|
4842 | / SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
---|
4843 | ELSE |
---|
4844 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) & |
---|
4845 | / SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
---|
4846 | ENDIF |
---|
4847 | ELSE |
---|
4848 | l_stable = l_grid(k) |
---|
4849 | ENDIF |
---|
4850 | ! |
---|
4851 | !-- Adjustment of the mixing length |
---|
4852 | IF ( wall_adjustment ) THEN |
---|
4853 | l = MIN( wall_adjustment_factor * l_wall(k,j,i), l_grid(k), l_stable ) |
---|
4854 | ll = MIN( wall_adjustment_factor * l_wall(k,j,i), l_grid(k) ) |
---|
4855 | ELSE |
---|
4856 | l = MIN( l_grid(k), l_stable ) |
---|
4857 | ll = l_grid(k) |
---|
4858 | ENDIF |
---|
4859 | #else |
---|
4860 | CALL mixing_length_les( i, j, k, l, ll, var, var_reference ) |
---|
4861 | #endif |
---|
4862 | |
---|
4863 | ! |
---|
4864 | !-- Compute diffusion coefficients for momentum and heat |
---|
4865 | km(k,j,i) = c_0 * l * SQRT( e(k,j,i) ) * flag |
---|
4866 | kh(k,j,i) = ( 1.0_wp + 2.0_wp * l / ll ) * km(k,j,i) * flag |
---|
4867 | ! |
---|
4868 | !-- Summation for averaged profile (cf. flow_statistics) |
---|
4869 | DO sr = 0, statistic_regions |
---|
4870 | sums_l_l(k,sr,tn) = sums_l_l(k,sr,tn) + l * rmask(j,i,sr) & |
---|
4871 | * flag |
---|
4872 | ENDDO |
---|
4873 | |
---|
4874 | ENDDO |
---|
4875 | ENDDO |
---|
4876 | ENDDO |
---|
4877 | |
---|
4878 | ELSEIF ( rans_tke_l ) THEN |
---|
4879 | |
---|
4880 | !$OMP DO |
---|
4881 | DO i = nxlg, nxrg |
---|
4882 | DO j = nysg, nyng |
---|
4883 | DO k = nzb+1, nzt |
---|
4884 | |
---|
4885 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4886 | ! |
---|
4887 | !-- Mixing length for RANS mode with TKE-l closure |
---|
4888 | CALL mixing_length_rans( i, j, k, l, ll, var, var_reference ) |
---|
4889 | ! |
---|
4890 | !-- Compute diffusion coefficients for momentum and heat |
---|
4891 | km(k,j,i) = c_0 * l * SQRT( e(k,j,i) ) * flag |
---|
4892 | kh(k,j,i) = km(k,j,i) / prandtl_number * flag |
---|
4893 | ! |
---|
4894 | !-- Summation for averaged profile (cf. flow_statistics) |
---|
4895 | DO sr = 0, statistic_regions |
---|
4896 | sums_l_l(k,sr,tn) = sums_l_l(k,sr,tn) + l * rmask(j,i,sr) & |
---|
4897 | * flag |
---|
4898 | ENDDO |
---|
4899 | |
---|
4900 | ENDDO |
---|
4901 | ENDDO |
---|
4902 | ENDDO |
---|
4903 | |
---|
4904 | ELSEIF ( rans_tke_e ) THEN |
---|
4905 | |
---|
4906 | !$OMP DO |
---|
4907 | DO i = nxlg, nxrg |
---|
4908 | DO j = nysg, nyng |
---|
4909 | DO k = nzb+1, nzt |
---|
4910 | |
---|
4911 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4912 | ! |
---|
4913 | !-- Compute diffusion coefficients for momentum and heat |
---|
4914 | km(k,j,i) = c_0**4 * e(k,j,i)**2 / ( diss(k,j,i) + 1.0E-30_wp ) * flag |
---|
4915 | kh(k,j,i) = km(k,j,i) / prandtl_number * flag |
---|
4916 | ! |
---|
4917 | !-- Summation for averaged profile of mixing length (cf. flow_statistics) |
---|
4918 | DO sr = 0, statistic_regions |
---|
4919 | sums_l_l(k,sr,tn) = sums_l_l(k,sr,tn) + & |
---|
4920 | c_0**3 * e(k,j,i) * SQRT(e(k,j,i)) / & |
---|
4921 | ( diss(k,j,i) + 1.0E-30_wp ) * rmask(j,i,sr) * flag |
---|
4922 | ENDDO |
---|
4923 | |
---|
4924 | ENDDO |
---|
4925 | ENDDO |
---|
4926 | ENDDO |
---|
4927 | |
---|
4928 | ENDIF |
---|
4929 | |
---|
4930 | !$ACC KERNELS PRESENT(sums_l_l) |
---|
4931 | sums_l_l(nzt+1,:,tn) = sums_l_l(nzt,:,tn) ! quasi boundary-condition for |
---|
4932 | ! data output |
---|
4933 | !$ACC END KERNELS |
---|
4934 | !$OMP END PARALLEL |
---|
4935 | |
---|
4936 | END SUBROUTINE tcm_diffusivities_default |
---|
4937 | |
---|
4938 | |
---|
4939 | !------------------------------------------------------------------------------! |
---|
4940 | ! Description: |
---|
4941 | ! ------------ |
---|
4942 | !> Calculates the eddy viscosity dynamically using the linear dynamic model |
---|
4943 | !> according to |
---|
4944 | !> Heinz, Stefan. "Realizability of dynamic subgrid-scale stress models via |
---|
4945 | !> stochastic analysis." |
---|
4946 | !> Monte Carlo Methods and Applications 14.4 (2008): 311-329. |
---|
4947 | !> |
---|
4948 | !> Furthermore dynamic bounds are used to limit the absolute value of c* as |
---|
4949 | !> described in |
---|
4950 | !> Mokhtarpoor, Reza, and Stefan Heinz. "Dynamic large eddy simulation: |
---|
4951 | !> Stability via realizability." Physics of Fluids 29.10 (2017): 105104. |
---|
4952 | !> |
---|
4953 | !> @author Hauke Wurps |
---|
4954 | !> @author Björn Maronga |
---|
4955 | !------------------------------------------------------------------------------! |
---|
4956 | SUBROUTINE tcm_diffusivities_dynamic |
---|
4957 | |
---|
4958 | USE arrays_3d, & |
---|
4959 | ONLY: ddzw, dzw, dd2zu, w, ug, vg |
---|
4960 | |
---|
4961 | USE grid_variables, & |
---|
4962 | ONLY : ddx, ddy, dx, dy |
---|
4963 | |
---|
4964 | IMPLICIT NONE |
---|
4965 | |
---|
4966 | INTEGER(iwp) :: i !< running index x-direction |
---|
4967 | INTEGER(iwp) :: j !< running index y-direction |
---|
4968 | INTEGER(iwp) :: k !< running index z-direction |
---|
4969 | INTEGER(iwp) :: l !< running index |
---|
4970 | INTEGER(iwp) :: m !< running index |
---|
4971 | |
---|
4972 | REAL(wp) :: dudx !< Gradient of u-component in x-direction |
---|
4973 | REAL(wp) :: dudy !< Gradient of u-component in y-direction |
---|
4974 | REAL(wp) :: dudz !< Gradient of u-component in z-direction |
---|
4975 | REAL(wp) :: dvdx !< Gradient of v-component in x-direction |
---|
4976 | REAL(wp) :: dvdy !< Gradient of v-component in y-direction |
---|
4977 | REAL(wp) :: dvdz !< Gradient of v-component in z-direction |
---|
4978 | REAL(wp) :: dwdx !< Gradient of w-component in x-direction |
---|
4979 | REAL(wp) :: dwdy !< Gradient of w-component in y-direction |
---|
4980 | REAL(wp) :: dwdz !< Gradient of w-component in z-direction |
---|
4981 | |
---|
4982 | REAL(wp) :: flag !< topography flag |
---|
4983 | |
---|
4984 | REAL(wp) :: uc(-1:1,-1:1) !< u on grid center |
---|
4985 | REAL(wp) :: vc(-1:1,-1:1) !< v on grid center |
---|
4986 | REAL(wp) :: wc(-1:1,-1:1) !< w on grid center |
---|
4987 | |
---|
4988 | REAL(wp) :: ut(nzb:nzt+1,nysg:nyng,nxlg:nxrg) !< test filtered u |
---|
4989 | REAL(wp) :: vt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) !< test filtered v |
---|
4990 | REAL(wp) :: wt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) !< test filtered w |
---|
4991 | |
---|
4992 | REAL(wp) :: uct !< test filtered u on grid center |
---|
4993 | REAL(wp) :: vct !< test filtered v on grid center |
---|
4994 | REAL(wp) :: wct !< test filtered w on grid center |
---|
4995 | REAL(wp) :: u2t !< test filtered u**2 on grid center |
---|
4996 | REAL(wp) :: v2t !< test filtered v**2 on grid center |
---|
4997 | REAL(wp) :: w2t !< test filtered w**2 on grid center |
---|
4998 | REAL(wp) :: uvt !< test filtered u*v on grid center |
---|
4999 | REAL(wp) :: uwt !< test filtered u*w on grid center |
---|
5000 | REAL(wp) :: vwt !< test filtered v*w on grid center |
---|
5001 | |
---|
5002 | REAL(wp) :: sd11 !< deviatoric shear tensor |
---|
5003 | REAL(wp) :: sd22 !< deviatoric shear tensor |
---|
5004 | REAL(wp) :: sd33 !<f deviatoric shear tensor |
---|
5005 | REAL(wp) :: sd12 !< deviatoric shear tensor |
---|
5006 | REAL(wp) :: sd13 !< deviatoric shear tensor |
---|
5007 | REAL(wp) :: sd23 !< deviatoric shear tensor |
---|
5008 | |
---|
5009 | REAL(wp) :: sd2 !< sum: sd_ij*sd_ij |
---|
5010 | |
---|
5011 | REAL(wp) :: sdt11 !< filtered deviatoric shear tensor |
---|
5012 | REAL(wp) :: sdt22 !< filtered deviatoric shear tensor |
---|
5013 | REAL(wp) :: sdt33 !< filtered deviatoric shear tensor |
---|
5014 | REAL(wp) :: sdt12 !< filtered deviatoric shear tensor |
---|
5015 | REAL(wp) :: sdt13 !< filtered deviatoric shear tensor |
---|
5016 | REAL(wp) :: sdt23 !< filtered deviatoric shear tensor |
---|
5017 | |
---|
5018 | REAL(wp) :: sdt2 !< sum: sdt_ij*sdt_ij |
---|
5019 | |
---|
5020 | REAL(wp) :: ld11 !< deviatoric stress tensor |
---|
5021 | REAL(wp) :: ld22 !< deviatoric stress tensor |
---|
5022 | REAL(wp) :: ld33 !< deviatoric stress tensor |
---|
5023 | REAL(wp) :: ld12 !< deviatoric stress tensor |
---|
5024 | REAL(wp) :: ld13 !< deviatoric stress tensor |
---|
5025 | REAL(wp) :: ld23 !< deviatoric stress tensor |
---|
5026 | |
---|
5027 | REAL(wp) :: lnn !< sum ld_nn |
---|
5028 | REAL(wp) :: ldsd !< sum: ld_ij*sd_ij |
---|
5029 | |
---|
5030 | REAL(wp) :: delta !< grid size |
---|
5031 | REAL(wp) :: cst !< c* |
---|
5032 | REAL(wp) :: cstnust_t !< product c*nu* |
---|
5033 | REAL(wp) :: cst_max !< bounds of c* |
---|
5034 | |
---|
5035 | REAL(wp), PARAMETER :: fac_cmax = 23.0_wp/(24.0_wp*sqrt(3.0_wp)) !< constant |
---|
5036 | |
---|
5037 | ! |
---|
5038 | !-- velocities on grid centers: |
---|
5039 | CALL tcm_box_filter_2d_array( u, ut ) |
---|
5040 | CALL tcm_box_filter_2d_array( v, vt ) |
---|
5041 | CALL tcm_box_filter_2d_array( w, wt ) |
---|
5042 | |
---|
5043 | DO i = nxl, nxr |
---|
5044 | DO j = nys, nyn |
---|
5045 | DO k = nzb+1, nzt |
---|
5046 | |
---|
5047 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
5048 | |
---|
5049 | ! |
---|
5050 | !-- Compute the deviatoric shear tensor s_ij on grid centers: |
---|
5051 | !-- s_ij = 0.5 * ( du_i/dx_j + du_j/dx_i ) |
---|
5052 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
---|
5053 | dudy = 0.25_wp * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
---|
5054 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
---|
5055 | dudz = 0.5_wp * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
---|
5056 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
---|
5057 | |
---|
5058 | dvdx = 0.25_wp * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
---|
5059 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
---|
5060 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
---|
5061 | dvdz = 0.5_wp * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
---|
5062 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
---|
5063 | |
---|
5064 | dwdx = 0.25_wp * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
---|
5065 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
---|
5066 | dwdy = 0.25_wp * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
---|
5067 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
---|
5068 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
---|
5069 | |
---|
5070 | sd11 = dudx |
---|
5071 | sd22 = dvdy |
---|
5072 | sd33 = dwdz |
---|
5073 | sd12 = 0.5_wp * ( dudy + dvdx ) |
---|
5074 | sd13 = 0.5_wp * ( dudz + dwdx ) |
---|
5075 | sd23 = 0.5_wp * ( dvdz + dwdy ) |
---|
5076 | ! |
---|
5077 | !-- sum: sd_ij*sd_ij |
---|
5078 | sd2 = sd11**2 + sd22**2 + sd33**2 & |
---|
5079 | + 2.0_wp * ( sd12**2 + sd13**2 + sd23**2 ) |
---|
5080 | ! |
---|
5081 | !-- The filtered velocities are needed to calculate the filtered shear |
---|
5082 | !-- tensor: sdt_ij = 0.5 * ( dut_i/dx_j + dut_j/dx_i ) |
---|
5083 | dudx = ( ut(k,j,i+1) - ut(k,j,i) ) * ddx |
---|
5084 | dudy = 0.25_wp * ( ut(k,j+1,i) + ut(k,j+1,i+1) - & |
---|
5085 | ut(k,j-1,i) - ut(k,j-1,i+1) ) * ddy |
---|
5086 | dudz = 0.5_wp * ( ut(k+1,j,i) + ut(k+1,j,i+1) - & |
---|
5087 | ut(k-1,j,i) - ut(k-1,j,i+1) ) * dd2zu(k) |
---|
5088 | |
---|
5089 | dvdx = 0.25_wp * ( vt(k,j,i+1) + vt(k,j+1,i+1) - & |
---|
5090 | vt(k,j,i-1) - vt(k,j+1,i-1) ) * ddx |
---|
5091 | dvdy = ( vt(k,j+1,i) - vt(k,j,i) ) * ddy |
---|
5092 | dvdz = 0.5_wp * ( vt(k+1,j,i) + vt(k+1,j+1,i) - & |
---|
5093 | vt(k-1,j,i) - vt(k-1,j+1,i) ) * dd2zu(k) |
---|
5094 | |
---|
5095 | dwdx = 0.25_wp * ( wt(k,j,i+1) + wt(k-1,j,i+1) - & |
---|
5096 | wt(k,j,i-1) - wt(k-1,j,i-1) ) * ddx |
---|
5097 | dwdy = 0.25_wp * ( wt(k,j+1,i) + wt(k-1,j+1,i) - & |
---|
5098 | wt(k,j-1,i) - wt(k-1,j-1,i) ) * ddy |
---|
5099 | dwdz = ( wt(k,j,i) - wt(k-1,j,i) ) * ddzw(k) |
---|
5100 | |
---|
5101 | sdt11 = dudx |
---|
5102 | sdt22 = dvdy |
---|
5103 | sdt33 = dwdz |
---|
5104 | sdt12 = 0.5_wp * ( dudy + dvdx ) |
---|
5105 | sdt13 = 0.5_wp * ( dudz + dwdx ) |
---|
5106 | sdt23 = 0.5_wp * ( dvdz + dwdy ) |
---|
5107 | ! |
---|
5108 | !-- sum: sd_ij*sd_ij |
---|
5109 | sdt2 = sdt11**2 + sdt22**2 + sdt33**2 & |
---|
5110 | + 2.0_wp * ( sdt12**2 + sdt13**2 + sdt23**2 ) |
---|
5111 | ! |
---|
5112 | !-- Need filtered velocities and filtered squared velocities on grid |
---|
5113 | !-- centers. Substraction of geostrophic velocity helps to avoid |
---|
5114 | !-- numerical errors in the expression <u**2> - <u>*<u>, which can be |
---|
5115 | !-- very small (<...> means filtered). |
---|
5116 | DO l = -1, 1 |
---|
5117 | DO m = -1, 1 |
---|
5118 | uc(l,m) = 0.5_wp * ( u(k,j+l,i+m) + u(k,j+l,i+m+1) ) - ug(k) |
---|
5119 | vc(l,m) = 0.5_wp * ( v(k,j+l,i+m) + v(k,j+l+1,i+m) ) - vg(k) |
---|
5120 | wc(l,m) = 0.5_wp * ( w(k-1,j+l,i+m) + w(k,j+l,i+m) ) |
---|
5121 | ENDDO |
---|
5122 | ENDDO |
---|
5123 | |
---|
5124 | CALL tcm_box_filter_2d_single( uc, uct ) |
---|
5125 | CALL tcm_box_filter_2d_single( vc, vct ) |
---|
5126 | CALL tcm_box_filter_2d_single( wc, wct ) |
---|
5127 | CALL tcm_box_filter_2d_single( uc**2, u2t ) |
---|
5128 | CALL tcm_box_filter_2d_single( vc**2, v2t ) |
---|
5129 | CALL tcm_box_filter_2d_single( wc**2, w2t ) |
---|
5130 | CALL tcm_box_filter_2d_single( uc*vc, uvt ) |
---|
5131 | CALL tcm_box_filter_2d_single( uc*wc, uwt ) |
---|
5132 | CALL tcm_box_filter_2d_single( vc*wc, vwt ) |
---|
5133 | |
---|
5134 | ld11 = u2t - uct*uct |
---|
5135 | ld22 = v2t - vct*vct |
---|
5136 | ld33 = w2t - wct*wct |
---|
5137 | ld12 = uvt - uct*vct |
---|
5138 | ld13 = uwt - uct*wct |
---|
5139 | ld23 = vwt - vct*wct |
---|
5140 | |
---|
5141 | lnn = ld11 + ld22 + ld33 |
---|
5142 | ! |
---|
5143 | !-- Substract trace to get deviatoric resolved stress |
---|
5144 | ld11 = ld11 - lnn / 3.0_wp |
---|
5145 | ld22 = ld22 - lnn / 3.0_wp |
---|
5146 | ld33 = ld33 - lnn / 3.0_wp |
---|
5147 | |
---|
5148 | ldsd = ld11 * sdt11 + ld22 * sdt22 + ld33 * sdt33 + & |
---|
5149 | 2.0_wp * ( ld12 * sdt12 + ld13 * sdt13 + ld23 * sdt23 ) |
---|
5150 | ! |
---|
5151 | !-- c* nu*^T is SGS viscosity on test filter level: |
---|
5152 | cstnust_t = -ldsd / ( sdt2 + 1.0E-20_wp ) |
---|
5153 | ! |
---|
5154 | !-- The model was only tested for an isotropic grid. The following |
---|
5155 | !-- expression was a recommendation of Stefan Heinz. |
---|
5156 | delta = MAX( dx, dy, dzw(k) ) |
---|
5157 | |
---|
5158 | IF ( lnn <= 0.0_wp ) THEN |
---|
5159 | cst = 0.0_wp |
---|
5160 | ELSE |
---|
5161 | cst = cstnust_t / & |
---|
5162 | ( 4.0_wp * delta * SQRT( lnn / 2.0_wp ) + 1.0E-20_wp ) |
---|
5163 | ENDIF |
---|
5164 | |
---|
5165 | ! |
---|
5166 | !-- Calculate border according to Mokhtarpoor and Heinz (2017) |
---|
5167 | cst_max = fac_cmax * SQRT( e(k,j,i) ) / & |
---|
5168 | ( delta * SQRT( 2.0_wp * sd2 ) + 1.0E-20_wp ) |
---|
5169 | |
---|
5170 | IF ( ABS( cst ) > cst_max ) THEN |
---|
5171 | cst = cst_max * cst / ABS( cst ) |
---|
5172 | ENDIF |
---|
5173 | |
---|
5174 | km(k,j,i) = cst * delta * SQRT( e(k,j,i) ) * flag |
---|
5175 | |
---|
5176 | ENDDO |
---|
5177 | ENDDO |
---|
5178 | ENDDO |
---|
5179 | |
---|
5180 | END SUBROUTINE tcm_diffusivities_dynamic |
---|
5181 | |
---|
5182 | |
---|
5183 | !------------------------------------------------------------------------------! |
---|
5184 | ! Description: |
---|
5185 | ! ------------ |
---|
5186 | !> This subroutine acts as a box filter with filter width 2 * dx. |
---|
5187 | !> Output is only one point. |
---|
5188 | !------------------------------------------------------------------------------! |
---|
5189 | SUBROUTINE tcm_box_filter_2d_single( var, var_fil ) |
---|
5190 | |
---|
5191 | IMPLICIT NONE |
---|
5192 | |
---|
5193 | REAL(wp) :: var(-1:1,-1:1) !< variable to be filtered |
---|
5194 | REAL(wp) :: var_fil !< filtered variable |
---|
5195 | ! |
---|
5196 | !-- It is assumed that a box with a side length of 2 * dx and centered at the |
---|
5197 | !-- variable*s position contains one half of the four closest neigbours and one |
---|
5198 | !-- forth of the diagonally closest neighbours. |
---|
5199 | var_fil = 0.25_wp * ( var(0,0) + & |
---|
5200 | 0.5_wp * ( var(0,1) + var(1,0) + & |
---|
5201 | var(0,-1) + var(-1,0) ) + & |
---|
5202 | 0.25_wp * ( var(1,1) + var(1,-1) + & |
---|
5203 | var(-1,1) + var(-1,-1) ) ) |
---|
5204 | |
---|
5205 | END SUBROUTINE tcm_box_filter_2d_single |
---|
5206 | |
---|
5207 | !------------------------------------------------------------------------------! |
---|
5208 | ! Description: |
---|
5209 | ! ------------ |
---|
5210 | !> This subroutine acts as a box filter with filter width 2 * dx. |
---|
5211 | !> The filtered variable var_fil is on the same grid as var. |
---|
5212 | !------------------------------------------------------------------------------! |
---|
5213 | SUBROUTINE tcm_box_filter_2d_array( var, var_fil ) |
---|
5214 | |
---|
5215 | IMPLICIT NONE |
---|
5216 | |
---|
5217 | INTEGER(iwp) :: i !< running index x-direction |
---|
5218 | INTEGER(iwp) :: j !< running index y-direction |
---|
5219 | INTEGER(iwp) :: k !< running index z-direction |
---|
5220 | |
---|
5221 | REAL(wp) :: var(nzb:nzt+1,nysg:nyng,nxlg:nxrg) !< variable to be filtered |
---|
5222 | REAL(wp) :: var_fil(nzb:nzt+1,nysg:nyng,nxlg:nxrg) !< filtered variable |
---|
5223 | ! |
---|
5224 | !-- It is assumed that a box with a side length of 2 * dx and centered at the |
---|
5225 | !-- variable's position contains one half of the four closest neigbours and one |
---|
5226 | !-- forth of the diagonally closest neighbours. |
---|
5227 | DO i = nxlg+1, nxrg-1 |
---|
5228 | DO j = nysg+1, nyng-1 |
---|
5229 | DO k = nzb, nzt+1 |
---|
5230 | var_fil(k,j,i) = 0.25_wp * ( var(k,j,i) + & |
---|
5231 | 0.5_wp * ( var(k,j,i+1) + var(k,j+1,i) + & |
---|
5232 | var(k,j,i-1) + var(k,j-1,i) ) +& |
---|
5233 | 0.25_wp * ( var(k,j+1,i+1) + var(k,j+1,i-1) + & |
---|
5234 | var(k,j-1,i+1) + var(k,j-1,i-1) ) ) |
---|
5235 | END DO |
---|
5236 | END DO |
---|
5237 | END DO |
---|
5238 | |
---|
5239 | END SUBROUTINE tcm_box_filter_2d_array |
---|
5240 | |
---|
5241 | |
---|
5242 | !------------------------------------------------------------------------------! |
---|
5243 | ! Description: |
---|
5244 | ! ------------ |
---|
5245 | !> Swapping of timelevels. |
---|
5246 | !------------------------------------------------------------------------------! |
---|
5247 | SUBROUTINE tcm_swap_timelevel ( mod_count ) |
---|
5248 | |
---|
5249 | IMPLICIT NONE |
---|
5250 | |
---|
5251 | |
---|
5252 | INTEGER, INTENT(IN) :: mod_count !< flag defining where pointers point to |
---|
5253 | |
---|
5254 | |
---|
5255 | SELECT CASE ( mod_count ) |
---|
5256 | |
---|
5257 | CASE ( 0 ) |
---|
5258 | |
---|
5259 | IF ( .NOT. constant_diffusion ) THEN |
---|
5260 | e => e_1; e_p => e_2 |
---|
5261 | ENDIF |
---|
5262 | |
---|
5263 | IF ( rans_tke_e ) THEN |
---|
5264 | diss => diss_1; diss_p => diss_2 |
---|
5265 | ENDIF |
---|
5266 | |
---|
5267 | CASE ( 1 ) |
---|
5268 | |
---|
5269 | IF ( .NOT. constant_diffusion ) THEN |
---|
5270 | e => e_2; e_p => e_1 |
---|
5271 | ENDIF |
---|
5272 | |
---|
5273 | IF ( rans_tke_e ) THEN |
---|
5274 | diss => diss_2; diss_p => diss_1 |
---|
5275 | ENDIF |
---|
5276 | |
---|
5277 | END SELECT |
---|
5278 | |
---|
5279 | END SUBROUTINE tcm_swap_timelevel |
---|
5280 | |
---|
5281 | |
---|
5282 | END MODULE turbulence_closure_mod |
---|