1 | SUBROUTINE time_integration |
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2 | |
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3 | !--------------------------------------------------------------------------------! |
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4 | ! This file is part of PALM. |
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5 | ! |
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6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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8 | ! either version 3 of the License, or (at your option) any later 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 1997-2014 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: time_integration.f90 1310 2014-03-14 08:01:56Z heinze $ |
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27 | ! |
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28 | ! 1308 2014-03-13 14:58:42Z fricke |
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29 | ! +netcdf_data_format_save |
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30 | ! For masked data, parallel netcdf output is not tested so far, hence |
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31 | ! netcdf_data_format is switched back to non-paralell output. |
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32 | ! |
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33 | ! 1276 2014-01-15 13:40:41Z heinze |
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34 | ! Use LSF_DATA also in case of Dirichlet bottom boundary condition for scalars |
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35 | ! |
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36 | ! 1257 2013-11-08 15:18:40Z raasch |
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37 | ! acc-update-host directive for timestep removed |
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38 | ! |
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39 | ! 1241 2013-10-30 11:36:58Z heinze |
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40 | ! Generalize calc_mean_profile for wider use |
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41 | ! Determine shf and qsws in dependence on data from LSF_DATA |
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42 | ! Determine ug and vg in dependence on data from LSF_DATA |
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43 | ! 1221 2013-09-10 08:59:13Z raasch |
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44 | ! host update of arrays before timestep is called |
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45 | ! |
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46 | ! 1179 2013-06-14 05:57:58Z raasch |
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47 | ! mean profiles for reference state are only calculated if required, |
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48 | ! small bugfix for background communication |
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49 | ! |
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50 | ! 1171 2013-05-30 11:27:45Z raasch |
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51 | ! split of prognostic_equations deactivated (comment lines), for the time being |
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52 | ! |
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53 | ! 1128 2013-04-12 06:19:32Z raasch |
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54 | ! asynchronous transfer of ghost point data realized for acc-optimized version: |
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55 | ! prognostic_equations are first called two times for those points required for |
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56 | ! the left-right and north-south exchange, respectively, and then for the |
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57 | ! remaining points, |
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58 | ! those parts requiring global communication moved from prognostic_equations to |
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59 | ! here |
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60 | ! |
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61 | ! 1115 2013-03-26 18:16:16Z hoffmann |
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62 | ! calculation of qr and nr is restricted to precipitation |
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63 | ! |
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64 | ! 1113 2013-03-10 02:48:14Z raasch |
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65 | ! GPU-porting of boundary conditions, |
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66 | ! openACC directives updated |
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67 | ! formal parameter removed from routine boundary_conds |
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68 | ! |
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69 | ! 1111 2013-03-08 23:54:10Z raasch |
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70 | ! +internal timestep counter for cpu statistics added, |
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71 | ! openACC directives updated |
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72 | ! |
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73 | ! 1092 2013-02-02 11:24:22Z raasch |
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74 | ! unused variables removed |
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75 | ! |
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76 | ! 1065 2012-11-22 17:42:36Z hoffmann |
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77 | ! exchange of diss (dissipation rate) in case of turbulence = .TRUE. added |
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78 | ! |
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79 | ! 1053 2012-11-13 17:11:03Z hoffmann |
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80 | ! exchange of ghost points for nr, qr added |
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81 | ! |
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82 | ! 1036 2012-10-22 13:43:42Z raasch |
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83 | ! code put under GPL (PALM 3.9) |
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84 | ! |
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85 | ! 1019 2012-09-28 06:46:45Z raasch |
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86 | ! non-optimized version of prognostic_equations removed |
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87 | ! |
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88 | ! 1015 2012-09-27 09:23:24Z raasch |
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89 | ! +call of prognostic_equations_acc |
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90 | ! |
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91 | ! 1001 2012-09-13 14:08:46Z raasch |
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92 | ! all actions concerning leapfrog- and upstream-spline-scheme removed |
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93 | ! |
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94 | ! 849 2012-03-15 10:35:09Z raasch |
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95 | ! advec_particles renamed lpm, first_call_advec_particles renamed first_call_lpm |
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96 | ! |
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97 | ! 825 2012-02-19 03:03:44Z raasch |
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98 | ! wang_collision_kernel renamed wang_kernel |
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99 | ! |
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100 | ! 790 2011-11-29 03:11:20Z raasch |
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101 | ! exchange of ghostpoints for array diss |
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102 | ! |
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103 | ! 707 2011-03-29 11:39:40Z raasch |
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104 | ! bc_lr/ns replaced by bc_lr/ns_cyc, calls of exchange_horiz are modified, |
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105 | ! adaption to sloping surface |
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106 | ! |
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107 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
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108 | ! Calls of exchange_horiz are modified. |
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109 | ! Adaption to slooping surface. |
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110 | ! |
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111 | ! 449 2010-02-02 11:23:59Z raasch |
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112 | ! Bugfix: exchange of ghost points for prho included |
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113 | ! |
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114 | ! 410 2009-12-04 17:05:40Z letzel |
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115 | ! masked data output |
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116 | ! |
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117 | ! 388 2009-09-23 09:40:33Z raasch |
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118 | ! Using prho instead of rho in diffusvities. |
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119 | ! Coupling with independent precursor runs. |
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120 | ! Bugfix: output of particle time series only if particle advection is switched |
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121 | ! on |
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122 | ! |
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123 | ! 151 2008-03-07 13:42:18Z raasch |
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124 | ! inflow turbulence is imposed by calling new routine inflow_turbulence |
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125 | ! |
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126 | ! 108 2007-08-24 15:10:38Z letzel |
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127 | ! Call of new routine surface_coupler, |
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128 | ! presure solver is called after the first Runge-Kutta substep instead of the |
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129 | ! last in case that call_psolver_at_all_substeps = .F.; for this case, the |
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130 | ! random perturbation has to be added to the velocity fields also after the |
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131 | ! first substep |
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132 | ! |
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133 | ! 97 2007-06-21 08:23:15Z raasch |
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134 | ! diffusivities is called with argument rho in case of ocean runs, |
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135 | ! new argument pt_/prho_reference in calls of diffusivities, |
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136 | ! ghostpoint exchange for salinity and density |
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137 | ! |
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138 | ! 87 2007-05-22 15:46:47Z raasch |
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139 | ! var_hom renamed pr_palm |
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140 | ! |
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141 | ! 75 2007-03-22 09:54:05Z raasch |
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142 | ! Move call of user_actions( 'after_integration' ) below increment of times |
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143 | ! and counters, |
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144 | ! calls of prognostic_equations_.. changed to .._noopt, .._cache, and |
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145 | ! .._vector, these calls are now controlled by switch loop_optimization, |
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146 | ! uxrp, vynp eliminated, 2nd+3rd argument removed from exchange horiz, |
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147 | ! moisture renamed humidity |
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148 | ! |
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149 | ! RCS Log replace by Id keyword, revision history cleaned up |
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150 | ! |
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151 | ! Revision 1.8 2006/08/22 14:16:05 raasch |
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152 | ! Disturbances are imposed only for the last Runge-Kutta-substep |
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153 | ! |
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154 | ! Revision 1.2 2004/04/30 13:03:40 raasch |
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155 | ! decalpha-specific warning removed, routine name changed to time_integration, |
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156 | ! particle advection is carried out only once during the intermediate steps, |
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157 | ! impulse_advec renamed momentum_advec |
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158 | ! |
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159 | ! Revision 1.1 1997/08/11 06:19:04 raasch |
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160 | ! Initial revision |
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161 | ! |
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162 | ! |
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163 | ! Description: |
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164 | ! ------------ |
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165 | ! Integration in time of the model equations, statistical analysis and graphic |
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166 | ! output |
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167 | !------------------------------------------------------------------------------! |
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168 | |
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169 | USE advec_ws |
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170 | USE arrays_3d |
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171 | USE averaging |
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172 | USE buoyancy_mod |
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173 | USE control_parameters |
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174 | USE cpulog |
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175 | #if defined( __dvrp_graphics ) |
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176 | USE DVRP |
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177 | #endif |
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178 | USE grid_variables |
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179 | USE indices |
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180 | USE interaction_droplets_ptq_mod |
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181 | USE interfaces |
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182 | USE ls_forcing_mod |
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183 | USE particle_attributes |
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184 | USE pegrid |
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185 | USE production_e_mod |
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186 | USE prognostic_equations_mod |
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187 | USE statistics |
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188 | USE user_actions_mod |
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189 | |
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190 | IMPLICIT NONE |
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191 | |
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192 | CHARACTER (LEN=9) :: time_to_string |
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193 | INTEGER :: netcdf_data_format_save |
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194 | |
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195 | ! |
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196 | !-- At the beginning of a simulation determine the time step as well as |
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197 | !-- determine and print out the run control parameters |
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198 | IF ( simulated_time == 0.0 ) CALL timestep |
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199 | |
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200 | CALL run_control |
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201 | |
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202 | |
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203 | ! |
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204 | !-- Data exchange between coupled models in case that a call has been omitted |
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205 | !-- at the end of the previous run of a job chain. |
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206 | IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN |
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207 | ! |
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208 | !-- In case of model termination initiated by the local model the coupler |
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209 | !-- must not be called because this would again cause an MPI hang. |
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210 | DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 ) |
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211 | CALL surface_coupler |
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212 | time_coupling = time_coupling - dt_coupling |
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213 | ENDDO |
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214 | IF (time_coupling == 0.0 .AND. time_since_reference_point < dt_coupling)& |
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215 | THEN |
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216 | time_coupling = time_since_reference_point |
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217 | ENDIF |
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218 | ENDIF |
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219 | |
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220 | |
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221 | #if defined( __dvrp_graphics ) |
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222 | ! |
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223 | !-- Time measurement with dvrp software |
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224 | CALL DVRP_LOG_EVENT( 2, current_timestep_number ) |
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225 | #endif |
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226 | |
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227 | ! |
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228 | !-- Start of the time loop |
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229 | DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. & |
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230 | .NOT. terminate_run ) |
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231 | |
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232 | CALL cpu_log( log_point_s(10), 'timesteps', 'start' ) |
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233 | |
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234 | ! |
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235 | !-- Determine size of next time step |
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236 | IF ( simulated_time /= 0.0 ) THEN |
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237 | CALL timestep |
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238 | ENDIF |
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239 | |
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240 | ! |
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241 | !-- Determine ug, vg and w_subs in dependence on data from external file |
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242 | !-- LSF_DATA |
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243 | IF ( large_scale_forcing .AND. lsf_vert ) THEN |
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244 | CALL ls_forcing_vert ( simulated_time ) |
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245 | ENDIF |
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246 | |
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247 | ! |
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248 | !-- Execute the user-defined actions |
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249 | CALL user_actions( 'before_timestep' ) |
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250 | |
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251 | ! |
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252 | !-- Start of intermediate step loop |
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253 | intermediate_timestep_count = 0 |
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254 | DO WHILE ( intermediate_timestep_count < & |
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255 | intermediate_timestep_count_max ) |
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256 | |
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257 | intermediate_timestep_count = intermediate_timestep_count + 1 |
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258 | |
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259 | ! |
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260 | !-- Set the steering factors for the prognostic equations which depend |
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261 | !-- on the timestep scheme |
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262 | CALL timestep_scheme_steering |
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263 | |
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264 | ! |
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265 | !-- Calculate those variables needed in the tendency terms which need |
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266 | !-- global communication |
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267 | IF ( .NOT. use_single_reference_value .AND. & |
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268 | .NOT. use_initial_profile_as_reference ) THEN |
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269 | ! |
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270 | !-- Horizontally averaged profiles to be used as reference state in |
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271 | !-- buoyancy terms (WARNING: only the respective last call of |
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272 | !-- calc_mean_profile defines the reference state!) |
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273 | IF ( .NOT. neutral ) CALL calc_mean_profile( pt, 4, 'time_int' ) |
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274 | IF ( ocean ) CALL calc_mean_profile( rho, 64, 'time_int' ) |
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275 | IF ( humidity ) CALL calc_mean_profile( vpt, 44, 'time_int' ) |
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276 | ENDIF |
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277 | |
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278 | IF ( .NOT. constant_diffusion ) CALL production_e_init |
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279 | IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. & |
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280 | intermediate_timestep_count == 1 ) CALL ws_statistics |
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281 | |
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282 | ! |
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283 | !-- Solve the prognostic equations. A fast cache optimized version with |
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284 | !-- only one single loop is used in case of Piascek-Williams advection |
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285 | !-- scheme. NEC vector machines use a different version, because |
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286 | !-- in the other versions a good vectorization is prohibited due to |
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287 | !-- inlining problems. |
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288 | IF ( loop_optimization == 'cache' ) THEN |
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289 | CALL prognostic_equations_cache |
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290 | ELSEIF ( loop_optimization == 'vector' ) THEN |
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291 | CALL prognostic_equations_vector |
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292 | ELSEIF ( loop_optimization == 'acc' ) THEN |
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293 | i_left = nxl; i_right = nxr |
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294 | j_south = nys; j_north = nyn |
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295 | CALL prognostic_equations_acc |
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296 | |
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297 | ! i_left = nxl; i_right = nxl+nbgp-1 |
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298 | ! j_south = nys; j_north = nyn |
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299 | ! CALL prognostic_equations_acc |
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300 | ! i_left = nxr-nbgp+1; i_right = nxr |
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301 | ! j_south = nys; j_north = nyn |
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302 | ! CALL prognostic_equations_acc |
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303 | |
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304 | ! |
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305 | !-- Exchange of ghost points (lateral boundary conditions) |
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306 | IF ( background_communication ) THEN |
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307 | |
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308 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' ) |
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309 | |
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310 | send_receive = 'lr' |
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311 | sendrecv_in_background = .TRUE. |
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312 | req = 0 |
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313 | req_count = 0 |
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314 | |
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315 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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316 | on_device = .TRUE. ! to be removed after complete porting |
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317 | ELSE ! of ghost point exchange |
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318 | !$acc update host( e_p, pt_p, u_p, v_p, w_p ) |
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319 | ENDIF |
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320 | |
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321 | CALL exchange_horiz( u_p, nbgp ) |
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322 | CALL exchange_horiz( v_p, nbgp ) |
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323 | CALL exchange_horiz( w_p, nbgp ) |
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324 | CALL exchange_horiz( pt_p, nbgp ) |
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325 | IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp ) |
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326 | IF ( ocean ) THEN |
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327 | CALL exchange_horiz( sa_p, nbgp ) |
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328 | CALL exchange_horiz( rho, nbgp ) |
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329 | CALL exchange_horiz( prho, nbgp ) |
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330 | ENDIF |
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331 | IF (humidity .OR. passive_scalar) THEN |
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332 | CALL exchange_horiz( q_p, nbgp ) |
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333 | IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN |
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334 | CALL exchange_horiz( qr_p, nbgp ) |
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335 | CALL exchange_horiz( nr_p, nbgp ) |
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336 | ENDIF |
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337 | ENDIF |
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338 | IF ( cloud_droplets ) THEN |
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339 | CALL exchange_horiz( ql, nbgp ) |
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340 | CALL exchange_horiz( ql_c, nbgp ) |
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341 | CALL exchange_horiz( ql_v, nbgp ) |
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342 | CALL exchange_horiz( ql_vp, nbgp ) |
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343 | ENDIF |
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344 | IF ( wang_kernel .OR. turbulence ) CALL exchange_horiz( diss, nbgp ) |
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345 | |
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346 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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347 | on_device = .FALSE. ! to be removed after complete porting |
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348 | ELSE ! of ghost point exchange |
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349 | !$acc update device( e_p, pt_p, u_p, v_p, w_p ) |
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350 | ENDIF |
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351 | |
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352 | sendrecv_in_background = .FALSE. |
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353 | |
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354 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'pause' ) |
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355 | |
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356 | ENDIF |
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357 | |
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358 | ! i_left = nxl+nbgp; i_right = nxr-nbgp |
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359 | ! j_south = nys; j_north = nys+nbgp-1 |
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360 | ! CALL prognostic_equations_acc |
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361 | ! i_left = nxl+nbgp; i_right = nxr-nbgp |
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362 | ! j_south = nyn-nbgp+1; j_north = nyn |
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363 | ! CALL prognostic_equations_acc |
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364 | |
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365 | IF ( background_communication ) THEN |
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366 | CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'start' ) |
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367 | #if defined( __parallel ) |
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368 | CALL MPI_WAITALL( req_count, req, wait_stat, ierr ) |
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369 | #endif |
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370 | CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'pause' ) |
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371 | |
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372 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'continue' ) |
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373 | |
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374 | send_receive = 'ns' |
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375 | sendrecv_in_background = .TRUE. |
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376 | req = 0 |
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377 | req_count = 0 |
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378 | |
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379 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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380 | on_device = .TRUE. ! to be removed after complete porting |
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381 | ELSE ! of ghost point exchange |
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382 | !$acc update host( e_p, pt_p, u_p, v_p, w_p ) |
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383 | ENDIF |
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384 | |
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385 | CALL exchange_horiz( u_p, nbgp ) |
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386 | CALL exchange_horiz( v_p, nbgp ) |
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387 | CALL exchange_horiz( w_p, nbgp ) |
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388 | CALL exchange_horiz( pt_p, nbgp ) |
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389 | IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp ) |
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390 | IF ( ocean ) THEN |
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391 | CALL exchange_horiz( sa_p, nbgp ) |
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392 | CALL exchange_horiz( rho, nbgp ) |
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393 | CALL exchange_horiz( prho, nbgp ) |
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394 | ENDIF |
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395 | IF (humidity .OR. passive_scalar) THEN |
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396 | CALL exchange_horiz( q_p, nbgp ) |
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397 | IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN |
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398 | CALL exchange_horiz( qr_p, nbgp ) |
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399 | CALL exchange_horiz( nr_p, nbgp ) |
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400 | ENDIF |
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401 | ENDIF |
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402 | IF ( cloud_droplets ) THEN |
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403 | CALL exchange_horiz( ql, nbgp ) |
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404 | CALL exchange_horiz( ql_c, nbgp ) |
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405 | CALL exchange_horiz( ql_v, nbgp ) |
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406 | CALL exchange_horiz( ql_vp, nbgp ) |
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407 | ENDIF |
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408 | IF ( wang_kernel .OR. turbulence ) CALL exchange_horiz( diss, nbgp ) |
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409 | |
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410 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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411 | on_device = .FALSE. ! to be removed after complete porting |
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412 | ELSE ! of ghost point exchange |
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413 | !$acc update device( e_p, pt_p, u_p, v_p, w_p ) |
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414 | ENDIF |
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415 | |
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416 | sendrecv_in_background = .FALSE. |
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417 | |
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418 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' ) |
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419 | |
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420 | ENDIF |
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421 | |
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422 | ! i_left = nxl+nbgp; i_right = nxr-nbgp |
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423 | ! j_south = nys+nbgp; j_north = nyn-nbgp |
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424 | ! CALL prognostic_equations_acc |
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425 | |
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426 | IF ( background_communication ) THEN |
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427 | CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'continue' ) |
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428 | #if defined( __parallel ) |
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429 | CALL MPI_WAITALL( req_count, req, wait_stat, ierr ) |
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430 | #endif |
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431 | send_receive = 'al' |
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432 | CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'stop' ) |
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433 | ENDIF |
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434 | |
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435 | ENDIF |
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436 | |
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437 | ! |
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438 | !-- Particle transport/physics with the Lagrangian particle model |
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439 | !-- (only once during intermediate steps, because it uses an Euler-step) |
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440 | !-- ### particle model should be moved before prognostic_equations, in order |
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441 | !-- to regard droplet interactions directly |
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442 | IF ( particle_advection .AND. & |
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443 | simulated_time >= particle_advection_start .AND. & |
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444 | intermediate_timestep_count == 1 ) THEN |
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445 | CALL lpm |
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446 | first_call_lpm = .FALSE. |
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447 | ENDIF |
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448 | |
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449 | ! |
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450 | !-- Interaction of droplets with temperature and specific humidity. |
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451 | !-- Droplet condensation and evaporation is calculated within |
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452 | !-- advec_particles. |
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453 | IF ( cloud_droplets .AND. & |
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454 | intermediate_timestep_count == intermediate_timestep_count_max )& |
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455 | THEN |
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456 | CALL interaction_droplets_ptq |
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457 | ENDIF |
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458 | |
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459 | ! |
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460 | !-- Exchange of ghost points (lateral boundary conditions) |
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461 | IF ( .NOT. background_communication ) THEN |
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462 | |
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463 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' ) |
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464 | |
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465 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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466 | on_device = .TRUE. ! to be removed after complete porting |
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467 | ELSE ! of ghost point exchange |
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468 | !$acc update host( e_p, pt_p, u_p, v_p, w_p ) |
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469 | ENDIF |
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470 | |
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471 | CALL exchange_horiz( u_p, nbgp ) |
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472 | CALL exchange_horiz( v_p, nbgp ) |
---|
473 | CALL exchange_horiz( w_p, nbgp ) |
---|
474 | CALL exchange_horiz( pt_p, nbgp ) |
---|
475 | IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp ) |
---|
476 | IF ( ocean ) THEN |
---|
477 | CALL exchange_horiz( sa_p, nbgp ) |
---|
478 | CALL exchange_horiz( rho, nbgp ) |
---|
479 | CALL exchange_horiz( prho, nbgp ) |
---|
480 | ENDIF |
---|
481 | IF (humidity .OR. passive_scalar) THEN |
---|
482 | CALL exchange_horiz( q_p, nbgp ) |
---|
483 | IF ( cloud_physics .AND. icloud_scheme == 0 .AND. & |
---|
484 | precipitation ) THEN |
---|
485 | CALL exchange_horiz( qr_p, nbgp ) |
---|
486 | CALL exchange_horiz( nr_p, nbgp ) |
---|
487 | ENDIF |
---|
488 | ENDIF |
---|
489 | IF ( cloud_droplets ) THEN |
---|
490 | CALL exchange_horiz( ql, nbgp ) |
---|
491 | CALL exchange_horiz( ql_c, nbgp ) |
---|
492 | CALL exchange_horiz( ql_v, nbgp ) |
---|
493 | CALL exchange_horiz( ql_vp, nbgp ) |
---|
494 | ENDIF |
---|
495 | IF ( wang_kernel .OR. turbulence ) CALL exchange_horiz( diss, nbgp ) |
---|
496 | |
---|
497 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
---|
498 | on_device = .FALSE. ! to be removed after complete porting |
---|
499 | ELSE ! of ghost point exchange |
---|
500 | !$acc update device( e_p, pt_p, u_p, v_p, w_p ) |
---|
501 | ENDIF |
---|
502 | |
---|
503 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' ) |
---|
504 | |
---|
505 | ENDIF |
---|
506 | |
---|
507 | ! |
---|
508 | !-- Boundary conditions for the prognostic quantities (except of the |
---|
509 | !-- velocities at the outflow in case of a non-cyclic lateral wall) |
---|
510 | CALL boundary_conds |
---|
511 | |
---|
512 | ! |
---|
513 | !-- Swap the time levels in preparation for the next time step. |
---|
514 | CALL swap_timelevel |
---|
515 | |
---|
516 | ! |
---|
517 | !-- Temperature offset must be imposed at cyclic boundaries in x-direction |
---|
518 | !-- when a sloping surface is used |
---|
519 | IF ( sloping_surface ) THEN |
---|
520 | IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - & |
---|
521 | pt_slope_offset |
---|
522 | IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + & |
---|
523 | pt_slope_offset |
---|
524 | ENDIF |
---|
525 | |
---|
526 | ! |
---|
527 | !-- Impose a turbulent inflow using the recycling method |
---|
528 | IF ( turbulent_inflow ) CALL inflow_turbulence |
---|
529 | |
---|
530 | ! |
---|
531 | !-- Impose a random perturbation on the horizontal velocity field |
---|
532 | IF ( create_disturbances .AND. & |
---|
533 | ( call_psolver_at_all_substeps .AND. & |
---|
534 | intermediate_timestep_count == intermediate_timestep_count_max )& |
---|
535 | .OR. ( .NOT. call_psolver_at_all_substeps .AND. & |
---|
536 | intermediate_timestep_count == 1 ) ) & |
---|
537 | THEN |
---|
538 | time_disturb = time_disturb + dt_3d |
---|
539 | IF ( time_disturb >= dt_disturb ) THEN |
---|
540 | !$acc update host( u, v ) |
---|
541 | IF ( numprocs == 1 ) on_device = .FALSE. ! workaround, remove later |
---|
542 | IF ( hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN |
---|
543 | CALL disturb_field( nzb_u_inner, tend, u ) |
---|
544 | CALL disturb_field( nzb_v_inner, tend, v ) |
---|
545 | ELSEIF ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) THEN |
---|
546 | ! |
---|
547 | !-- Runs with a non-cyclic lateral wall need perturbations |
---|
548 | !-- near the inflow throughout the whole simulation |
---|
549 | dist_range = 1 |
---|
550 | CALL disturb_field( nzb_u_inner, tend, u ) |
---|
551 | CALL disturb_field( nzb_v_inner, tend, v ) |
---|
552 | dist_range = 0 |
---|
553 | ENDIF |
---|
554 | IF ( numprocs == 1 ) on_device = .TRUE. ! workaround, remove later |
---|
555 | !$acc update device( u, v ) |
---|
556 | time_disturb = time_disturb - dt_disturb |
---|
557 | ENDIF |
---|
558 | ENDIF |
---|
559 | |
---|
560 | ! |
---|
561 | !-- Reduce the velocity divergence via the equation for perturbation |
---|
562 | !-- pressure. |
---|
563 | IF ( intermediate_timestep_count == 1 .OR. & |
---|
564 | call_psolver_at_all_substeps ) THEN |
---|
565 | CALL pres |
---|
566 | ENDIF |
---|
567 | |
---|
568 | ! |
---|
569 | !-- If required, compute liquid water content |
---|
570 | IF ( cloud_physics ) THEN |
---|
571 | CALL calc_liquid_water_content |
---|
572 | !$acc update device( ql ) |
---|
573 | ENDIF |
---|
574 | ! |
---|
575 | !-- If required, compute virtual potential temperature |
---|
576 | IF ( humidity ) THEN |
---|
577 | CALL compute_vpt |
---|
578 | !$acc update device( vpt ) |
---|
579 | ENDIF |
---|
580 | ! |
---|
581 | !-- Compute the diffusion quantities |
---|
582 | IF ( .NOT. constant_diffusion ) THEN |
---|
583 | |
---|
584 | ! |
---|
585 | !-- Determine surface fluxes shf and qsws and surface values |
---|
586 | !-- pt_surface and q_surface in dependence on data from external |
---|
587 | !-- file LSF_DATA respectively |
---|
588 | IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. & |
---|
589 | intermediate_timestep_count == intermediate_timestep_count_max )& |
---|
590 | THEN |
---|
591 | CALL ls_forcing_surf ( simulated_time ) |
---|
592 | ENDIF |
---|
593 | |
---|
594 | ! |
---|
595 | !-- First the vertical fluxes in the Prandtl layer are being computed |
---|
596 | IF ( prandtl_layer ) THEN |
---|
597 | CALL cpu_log( log_point(19), 'prandtl_fluxes', 'start' ) |
---|
598 | CALL prandtl_fluxes |
---|
599 | CALL cpu_log( log_point(19), 'prandtl_fluxes', 'stop' ) |
---|
600 | ENDIF |
---|
601 | |
---|
602 | ! |
---|
603 | !-- Compute the diffusion coefficients |
---|
604 | CALL cpu_log( log_point(17), 'diffusivities', 'start' ) |
---|
605 | IF ( .NOT. humidity ) THEN |
---|
606 | IF ( ocean ) THEN |
---|
607 | CALL diffusivities( prho, prho_reference ) |
---|
608 | ELSE |
---|
609 | CALL diffusivities( pt, pt_reference ) |
---|
610 | ENDIF |
---|
611 | ELSE |
---|
612 | CALL diffusivities( vpt, pt_reference ) |
---|
613 | ENDIF |
---|
614 | CALL cpu_log( log_point(17), 'diffusivities', 'stop' ) |
---|
615 | |
---|
616 | ENDIF |
---|
617 | |
---|
618 | ENDDO ! Intermediate step loop |
---|
619 | |
---|
620 | ! |
---|
621 | !-- Increase simulation time and output times |
---|
622 | nr_timesteps_this_run = nr_timesteps_this_run + 1 |
---|
623 | current_timestep_number = current_timestep_number + 1 |
---|
624 | simulated_time = simulated_time + dt_3d |
---|
625 | simulated_time_chr = time_to_string( simulated_time ) |
---|
626 | time_since_reference_point = simulated_time - coupling_start_time |
---|
627 | |
---|
628 | IF ( simulated_time >= skip_time_data_output_av ) THEN |
---|
629 | time_do_av = time_do_av + dt_3d |
---|
630 | ENDIF |
---|
631 | IF ( simulated_time >= skip_time_do2d_xy ) THEN |
---|
632 | time_do2d_xy = time_do2d_xy + dt_3d |
---|
633 | ENDIF |
---|
634 | IF ( simulated_time >= skip_time_do2d_xz ) THEN |
---|
635 | time_do2d_xz = time_do2d_xz + dt_3d |
---|
636 | ENDIF |
---|
637 | IF ( simulated_time >= skip_time_do2d_yz ) THEN |
---|
638 | time_do2d_yz = time_do2d_yz + dt_3d |
---|
639 | ENDIF |
---|
640 | IF ( simulated_time >= skip_time_do3d ) THEN |
---|
641 | time_do3d = time_do3d + dt_3d |
---|
642 | ENDIF |
---|
643 | DO mid = 1, masks |
---|
644 | IF ( simulated_time >= skip_time_domask(mid) ) THEN |
---|
645 | time_domask(mid)= time_domask(mid) + dt_3d |
---|
646 | ENDIF |
---|
647 | ENDDO |
---|
648 | time_dvrp = time_dvrp + dt_3d |
---|
649 | IF ( simulated_time >= skip_time_dosp ) THEN |
---|
650 | time_dosp = time_dosp + dt_3d |
---|
651 | ENDIF |
---|
652 | time_dots = time_dots + dt_3d |
---|
653 | IF ( .NOT. first_call_lpm ) THEN |
---|
654 | time_dopts = time_dopts + dt_3d |
---|
655 | ENDIF |
---|
656 | IF ( simulated_time >= skip_time_dopr ) THEN |
---|
657 | time_dopr = time_dopr + dt_3d |
---|
658 | ENDIF |
---|
659 | time_dopr_listing = time_dopr_listing + dt_3d |
---|
660 | time_run_control = time_run_control + dt_3d |
---|
661 | |
---|
662 | ! |
---|
663 | !-- Data exchange between coupled models |
---|
664 | IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN |
---|
665 | time_coupling = time_coupling + dt_3d |
---|
666 | |
---|
667 | ! |
---|
668 | !-- In case of model termination initiated by the local model |
---|
669 | !-- (terminate_coupled > 0), the coupler must be skipped because it would |
---|
670 | !-- cause an MPI intercomminucation hang. |
---|
671 | !-- If necessary, the coupler will be called at the beginning of the |
---|
672 | !-- next restart run. |
---|
673 | DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 ) |
---|
674 | CALL surface_coupler |
---|
675 | time_coupling = time_coupling - dt_coupling |
---|
676 | ENDDO |
---|
677 | ENDIF |
---|
678 | |
---|
679 | ! |
---|
680 | !-- Execute user-defined actions |
---|
681 | CALL user_actions( 'after_integration' ) |
---|
682 | |
---|
683 | ! |
---|
684 | !-- If Galilei transformation is used, determine the distance that the |
---|
685 | !-- model has moved so far |
---|
686 | IF ( galilei_transformation ) THEN |
---|
687 | advected_distance_x = advected_distance_x + u_gtrans * dt_3d |
---|
688 | advected_distance_y = advected_distance_y + v_gtrans * dt_3d |
---|
689 | ENDIF |
---|
690 | |
---|
691 | ! |
---|
692 | !-- Check, if restart is necessary (because cpu-time is expiring or |
---|
693 | !-- because it is forced by user) and set stop flag |
---|
694 | !-- This call is skipped if the remote model has already initiated a restart. |
---|
695 | IF ( .NOT. terminate_run ) CALL check_for_restart |
---|
696 | |
---|
697 | ! |
---|
698 | !-- Carry out statistical analysis and output at the requested output times. |
---|
699 | !-- The MOD function is used for calculating the output time counters (like |
---|
700 | !-- time_dopr) in order to regard a possible decrease of the output time |
---|
701 | !-- interval in case of restart runs |
---|
702 | |
---|
703 | ! |
---|
704 | !-- Set a flag indicating that so far no statistics have been created |
---|
705 | !-- for this time step |
---|
706 | flow_statistics_called = .FALSE. |
---|
707 | |
---|
708 | ! |
---|
709 | !-- If required, call flow_statistics for averaging in time |
---|
710 | IF ( averaging_interval_pr /= 0.0 .AND. & |
---|
711 | ( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. & |
---|
712 | simulated_time >= skip_time_dopr ) THEN |
---|
713 | time_dopr_av = time_dopr_av + dt_3d |
---|
714 | IF ( time_dopr_av >= dt_averaging_input_pr ) THEN |
---|
715 | do_sum = .TRUE. |
---|
716 | time_dopr_av = MOD( time_dopr_av, & |
---|
717 | MAX( dt_averaging_input_pr, dt_3d ) ) |
---|
718 | ENDIF |
---|
719 | ENDIF |
---|
720 | IF ( do_sum ) CALL flow_statistics |
---|
721 | |
---|
722 | ! |
---|
723 | !-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data |
---|
724 | IF ( averaging_interval /= 0.0 .AND. & |
---|
725 | ( dt_data_output_av - time_do_av ) <= averaging_interval .AND. & |
---|
726 | simulated_time >= skip_time_data_output_av ) & |
---|
727 | THEN |
---|
728 | time_do_sla = time_do_sla + dt_3d |
---|
729 | IF ( time_do_sla >= dt_averaging_input ) THEN |
---|
730 | CALL sum_up_3d_data |
---|
731 | average_count_3d = average_count_3d + 1 |
---|
732 | time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) ) |
---|
733 | ENDIF |
---|
734 | ENDIF |
---|
735 | |
---|
736 | ! |
---|
737 | !-- Calculate spectra for time averaging |
---|
738 | IF ( averaging_interval_sp /= 0.0 .AND. & |
---|
739 | ( dt_dosp - time_dosp ) <= averaging_interval_sp .AND. & |
---|
740 | simulated_time >= skip_time_dosp ) THEN |
---|
741 | time_dosp_av = time_dosp_av + dt_3d |
---|
742 | IF ( time_dosp_av >= dt_averaging_input_pr ) THEN |
---|
743 | CALL calc_spectra |
---|
744 | time_dosp_av = MOD( time_dosp_av, & |
---|
745 | MAX( dt_averaging_input_pr, dt_3d ) ) |
---|
746 | ENDIF |
---|
747 | ENDIF |
---|
748 | |
---|
749 | ! |
---|
750 | !-- Computation and output of run control parameters. |
---|
751 | !-- This is also done whenever perturbations have been imposed |
---|
752 | IF ( time_run_control >= dt_run_control .OR. & |
---|
753 | timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) & |
---|
754 | THEN |
---|
755 | CALL run_control |
---|
756 | IF ( time_run_control >= dt_run_control ) THEN |
---|
757 | time_run_control = MOD( time_run_control, & |
---|
758 | MAX( dt_run_control, dt_3d ) ) |
---|
759 | ENDIF |
---|
760 | ENDIF |
---|
761 | |
---|
762 | ! |
---|
763 | !-- Profile output (ASCII) on file |
---|
764 | IF ( time_dopr_listing >= dt_dopr_listing ) THEN |
---|
765 | CALL print_1d |
---|
766 | time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, & |
---|
767 | dt_3d ) ) |
---|
768 | ENDIF |
---|
769 | |
---|
770 | ! |
---|
771 | !-- Graphic output for PROFIL |
---|
772 | IF ( time_dopr >= dt_dopr ) THEN |
---|
773 | IF ( dopr_n /= 0 ) CALL data_output_profiles |
---|
774 | time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) ) |
---|
775 | time_dopr_av = 0.0 ! due to averaging (see above) |
---|
776 | ENDIF |
---|
777 | |
---|
778 | ! |
---|
779 | !-- Graphic output for time series |
---|
780 | IF ( time_dots >= dt_dots ) THEN |
---|
781 | CALL data_output_tseries |
---|
782 | time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) ) |
---|
783 | ENDIF |
---|
784 | |
---|
785 | ! |
---|
786 | !-- Output of spectra (formatted for use with PROFIL), in case of no |
---|
787 | !-- time averaging, spectra has to be calculated before |
---|
788 | IF ( time_dosp >= dt_dosp ) THEN |
---|
789 | IF ( average_count_sp == 0 ) CALL calc_spectra |
---|
790 | CALL data_output_spectra |
---|
791 | time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) ) |
---|
792 | ENDIF |
---|
793 | |
---|
794 | ! |
---|
795 | !-- 2d-data output (cross-sections) |
---|
796 | IF ( time_do2d_xy >= dt_do2d_xy ) THEN |
---|
797 | CALL data_output_2d( 'xy', 0 ) |
---|
798 | time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) ) |
---|
799 | ENDIF |
---|
800 | IF ( time_do2d_xz >= dt_do2d_xz ) THEN |
---|
801 | CALL data_output_2d( 'xz', 0 ) |
---|
802 | time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) ) |
---|
803 | ENDIF |
---|
804 | IF ( time_do2d_yz >= dt_do2d_yz ) THEN |
---|
805 | CALL data_output_2d( 'yz', 0 ) |
---|
806 | time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) ) |
---|
807 | ENDIF |
---|
808 | |
---|
809 | ! |
---|
810 | !-- 3d-data output (volume data) |
---|
811 | IF ( time_do3d >= dt_do3d ) THEN |
---|
812 | CALL data_output_3d( 0 ) |
---|
813 | time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) ) |
---|
814 | ENDIF |
---|
815 | |
---|
816 | ! |
---|
817 | !-- masked data output |
---|
818 | !-- Parallel netcdf output is not tested so far for masked data, hence |
---|
819 | !-- netcdf_data_format is switched back to non-paralell output. |
---|
820 | netcdf_data_format_save = netcdf_data_format |
---|
821 | IF ( netcdf_data_format == 5 ) netcdf_data_format = 3 |
---|
822 | IF ( netcdf_data_format == 6 ) netcdf_data_format = 4 |
---|
823 | DO mid = 1, masks |
---|
824 | IF ( time_domask(mid) >= dt_domask(mid) ) THEN |
---|
825 | CALL data_output_mask( 0 ) |
---|
826 | time_domask(mid) = MOD( time_domask(mid), & |
---|
827 | MAX( dt_domask(mid), dt_3d ) ) |
---|
828 | ENDIF |
---|
829 | ENDDO |
---|
830 | netcdf_data_format = netcdf_data_format_save |
---|
831 | |
---|
832 | ! |
---|
833 | !-- Output of time-averaged 2d/3d/masked data |
---|
834 | IF ( time_do_av >= dt_data_output_av ) THEN |
---|
835 | CALL average_3d_data |
---|
836 | CALL data_output_2d( 'xy', 1 ) |
---|
837 | CALL data_output_2d( 'xz', 1 ) |
---|
838 | CALL data_output_2d( 'yz', 1 ) |
---|
839 | CALL data_output_3d( 1 ) |
---|
840 | !-- Parallel netcdf output is not tested so far for masked data, hence |
---|
841 | !-- netcdf_data_format is switched back to non-paralell output. |
---|
842 | netcdf_data_format_save = netcdf_data_format |
---|
843 | IF ( netcdf_data_format == 5 ) netcdf_data_format = 3 |
---|
844 | IF ( netcdf_data_format == 6 ) netcdf_data_format = 4 |
---|
845 | DO mid = 1, masks |
---|
846 | CALL data_output_mask( 1 ) |
---|
847 | ENDDO |
---|
848 | netcdf_data_format = netcdf_data_format_save |
---|
849 | time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) ) |
---|
850 | ENDIF |
---|
851 | |
---|
852 | ! |
---|
853 | !-- Output of particle time series |
---|
854 | IF ( particle_advection ) THEN |
---|
855 | IF ( time_dopts >= dt_dopts .OR. & |
---|
856 | ( simulated_time >= particle_advection_start .AND. & |
---|
857 | first_call_lpm ) ) THEN |
---|
858 | CALL data_output_ptseries |
---|
859 | time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) ) |
---|
860 | ENDIF |
---|
861 | ENDIF |
---|
862 | |
---|
863 | ! |
---|
864 | !-- Output of dvrp-graphics (isosurface, particles, slicer) |
---|
865 | #if defined( __dvrp_graphics ) |
---|
866 | CALL DVRP_LOG_EVENT( -2, current_timestep_number-1 ) |
---|
867 | #endif |
---|
868 | IF ( time_dvrp >= dt_dvrp ) THEN |
---|
869 | CALL data_output_dvrp |
---|
870 | time_dvrp = MOD( time_dvrp, MAX( dt_dvrp, dt_3d ) ) |
---|
871 | ENDIF |
---|
872 | #if defined( __dvrp_graphics ) |
---|
873 | CALL DVRP_LOG_EVENT( 2, current_timestep_number ) |
---|
874 | #endif |
---|
875 | |
---|
876 | ! |
---|
877 | !-- If required, set the heat flux for the next time step at a random value |
---|
878 | IF ( constant_heatflux .AND. random_heatflux ) CALL disturb_heatflux |
---|
879 | |
---|
880 | ! |
---|
881 | !-- Execute user-defined actions |
---|
882 | CALL user_actions( 'after_timestep' ) |
---|
883 | |
---|
884 | CALL cpu_log( log_point_s(10), 'timesteps', 'stop' ) |
---|
885 | |
---|
886 | |
---|
887 | ENDDO ! time loop |
---|
888 | |
---|
889 | #if defined( __dvrp_graphics ) |
---|
890 | CALL DVRP_LOG_EVENT( -2, current_timestep_number ) |
---|
891 | #endif |
---|
892 | |
---|
893 | END SUBROUTINE time_integration |
---|