1 | !> @file nesting_offl_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 1997-2019 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: nesting_offl_mod.f90 3737 2019-02-12 16:57:06Z hellstea $ |
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27 | ! Introduce mesoscale nesting for chemical species |
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28 | ! |
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29 | ! 3705 2019-01-29 19:56:39Z suehring |
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30 | ! Formatting adjustments |
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31 | ! |
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32 | ! 3704 2019-01-29 19:51:41Z suehring |
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33 | ! Check implemented for offline nesting in child domain |
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34 | ! |
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35 | ! 3413 2018-10-24 10:28:44Z suehring |
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36 | ! Keyword ID set |
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37 | ! |
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38 | ! 3404 2018-10-23 13:29:11Z suehring |
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39 | ! Consider time-dependent geostrophic wind components in offline nesting |
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40 | ! |
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41 | ! |
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42 | ! Initial Revision: |
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43 | ! - separate offline nesting from large_scale_nudging_mod |
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44 | ! - revise offline nesting, adjust for usage of synthetic turbulence generator |
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45 | ! - adjust Rayleigh damping depending on the time-depending atmospheric |
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46 | ! conditions |
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47 | ! |
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48 | ! |
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49 | ! Description: |
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50 | ! ------------ |
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51 | !> Offline nesting in larger-scale models. Boundary conditions for the simulation |
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52 | !> are read from NetCDF file and are prescribed onto the respective arrays. |
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53 | !> Further, a mass-flux correction is performed to maintain the mass balance. |
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54 | !--------------------------------------------------------------------------------! |
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55 | MODULE nesting_offl_mod |
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56 | |
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57 | USE arrays_3d, & |
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58 | ONLY: dzw, e, diss, pt, pt_init, q, q_init, s, u, u_init, ug, v, & |
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59 | v_init, vg, w, zu, zw |
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60 | |
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61 | USE chemistry_model_mod, & |
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62 | ONLY: chem_species |
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63 | |
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64 | USE control_parameters, & |
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65 | ONLY: air_chemistry, bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, & |
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66 | bc_dirichlet_s, dt_3d, dz, constant_diffusion, humidity, & |
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67 | message_string, nesting_offline, neutral, passive_scalar, & |
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68 | rans_mode, rans_tke_e, time_since_reference_point, volume_flow |
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69 | |
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70 | USE cpulog, & |
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71 | ONLY: cpu_log, log_point |
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72 | |
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73 | USE grid_variables |
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74 | |
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75 | USE indices, & |
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76 | ONLY: nbgp, nx, nxl, nxlg, nxlu, nxr, nxrg, ny, nys, & |
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77 | nysv, nysg, nyn, nyng, nzb, nz, nzt, wall_flags_0 |
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78 | |
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79 | USE kinds |
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80 | |
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81 | USE netcdf_data_input_mod, & |
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82 | ONLY: nest_offl |
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83 | |
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84 | USE pegrid |
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85 | |
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86 | REAL(wp) :: zi_ribulk = 0.0_wp !< boundary-layer depth according to bulk Richardson criterion, i.e. the height where Ri_bulk exceeds the critical |
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87 | !< bulk Richardson number of 0.25 |
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88 | |
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89 | SAVE |
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90 | PRIVATE |
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91 | ! |
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92 | !-- Public subroutines |
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93 | PUBLIC nesting_offl_bc, nesting_offl_check_parameters, nesting_offl_header,& |
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94 | nesting_offl_init, nesting_offl_mass_conservation, nesting_offl_parin |
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95 | ! |
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96 | !-- Public variables |
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97 | PUBLIC zi_ribulk |
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98 | |
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99 | INTERFACE nesting_offl_bc |
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100 | MODULE PROCEDURE nesting_offl_bc |
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101 | END INTERFACE nesting_offl_bc |
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102 | |
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103 | INTERFACE nesting_offl_check_parameters |
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104 | MODULE PROCEDURE nesting_offl_check_parameters |
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105 | END INTERFACE nesting_offl_check_parameters |
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106 | |
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107 | INTERFACE nesting_offl_header |
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108 | MODULE PROCEDURE nesting_offl_header |
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109 | END INTERFACE nesting_offl_header |
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110 | |
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111 | INTERFACE nesting_offl_init |
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112 | MODULE PROCEDURE nesting_offl_init |
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113 | END INTERFACE nesting_offl_init |
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114 | |
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115 | INTERFACE nesting_offl_mass_conservation |
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116 | MODULE PROCEDURE nesting_offl_mass_conservation |
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117 | END INTERFACE nesting_offl_mass_conservation |
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118 | |
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119 | INTERFACE nesting_offl_parin |
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120 | MODULE PROCEDURE nesting_offl_parin |
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121 | END INTERFACE nesting_offl_parin |
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122 | |
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123 | CONTAINS |
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124 | |
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125 | |
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126 | !------------------------------------------------------------------------------! |
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127 | ! Description: |
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128 | ! ------------ |
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129 | !> In this subroutine a constant mass within the model domain is guaranteed. |
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130 | !> Larger-scale models may be based on a compressible equation system, which is |
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131 | !> not consistent with PALMs incompressible equation system. In order to avoid |
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132 | !> a decrease or increase of mass during the simulation, non-divergent flow |
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133 | !> through the lateral and top boundaries is compensated by the vertical wind |
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134 | !> component at the top boundary. |
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135 | !------------------------------------------------------------------------------! |
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136 | SUBROUTINE nesting_offl_mass_conservation |
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137 | |
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138 | IMPLICIT NONE |
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139 | |
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140 | INTEGER(iwp) :: i !< grid index in x-direction |
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141 | INTEGER(iwp) :: j !< grid index in y-direction |
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142 | INTEGER(iwp) :: k !< grid index in z-direction |
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143 | |
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144 | REAL(wp) :: d_area_t !< inverse of the total area of the horizontal model domain |
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145 | REAL(wp) :: w_correct !< vertical velocity increment required to compensate non-divergent flow through the boundaries |
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146 | REAL(wp), DIMENSION(1:3) :: volume_flow_l !< local volume flow |
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147 | |
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148 | |
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149 | CALL cpu_log( log_point(58), 'offline nesting', 'start' ) |
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150 | |
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151 | volume_flow = 0.0_wp |
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152 | volume_flow_l = 0.0_wp |
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153 | |
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154 | d_area_t = 1.0_wp / ( ( nx + 1 ) * dx * ( ny + 1 ) * dy ) |
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155 | |
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156 | IF ( bc_dirichlet_l ) THEN |
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157 | i = nxl |
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158 | DO j = nys, nyn |
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159 | DO k = nzb+1, nzt |
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160 | volume_flow_l(1) = volume_flow_l(1) + u(k,j,i) * dzw(k) * dy & |
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161 | * MERGE( 1.0_wp, 0.0_wp, & |
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162 | BTEST( wall_flags_0(k,j,i), 1 ) ) |
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163 | ENDDO |
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164 | ENDDO |
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165 | ENDIF |
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166 | IF ( bc_dirichlet_r ) THEN |
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167 | i = nxr+1 |
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168 | DO j = nys, nyn |
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169 | DO k = nzb+1, nzt |
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170 | volume_flow_l(1) = volume_flow_l(1) - u(k,j,i) * dzw(k) * dy & |
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171 | * MERGE( 1.0_wp, 0.0_wp, & |
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172 | BTEST( wall_flags_0(k,j,i), 1 ) ) |
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173 | ENDDO |
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174 | ENDDO |
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175 | ENDIF |
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176 | IF ( bc_dirichlet_s ) THEN |
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177 | j = nys |
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178 | DO i = nxl, nxr |
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179 | DO k = nzb+1, nzt |
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180 | volume_flow_l(2) = volume_flow_l(2) + v(k,j,i) * dzw(k) * dx & |
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181 | * MERGE( 1.0_wp, 0.0_wp, & |
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182 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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183 | ENDDO |
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184 | ENDDO |
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185 | ENDIF |
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186 | IF ( bc_dirichlet_n ) THEN |
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187 | j = nyn+1 |
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188 | DO i = nxl, nxr |
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189 | DO k = nzb+1, nzt |
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190 | volume_flow_l(2) = volume_flow_l(2) - v(k,j,i) * dzw(k) * dx & |
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191 | * MERGE( 1.0_wp, 0.0_wp, & |
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192 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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193 | ENDDO |
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194 | ENDDO |
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195 | ENDIF |
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196 | ! |
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197 | !-- Top boundary |
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198 | k = nzt |
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199 | DO i = nxl, nxr |
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200 | DO j = nys, nyn |
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201 | volume_flow_l(3) = volume_flow_l(3) - w(k,j,i) * dx * dy |
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202 | ENDDO |
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203 | ENDDO |
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204 | |
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205 | #if defined( __parallel ) |
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206 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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207 | CALL MPI_ALLREDUCE( volume_flow_l, volume_flow, 3, MPI_REAL, MPI_SUM, & |
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208 | comm2d, ierr ) |
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209 | #else |
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210 | volume_flow = volume_flow_l |
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211 | #endif |
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212 | |
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213 | w_correct = SUM( volume_flow ) * d_area_t |
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214 | |
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215 | DO i = nxl, nxr |
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216 | DO j = nys, nyn |
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217 | DO k = nzt, nzt + 1 |
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218 | w(k,j,i) = w(k,j,i) + w_correct |
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219 | ENDDO |
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220 | ENDDO |
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221 | ENDDO |
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222 | |
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223 | CALL cpu_log( log_point(58), 'offline nesting', 'stop' ) |
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224 | |
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225 | END SUBROUTINE nesting_offl_mass_conservation |
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226 | |
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227 | |
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228 | !------------------------------------------------------------------------------! |
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229 | ! Description: |
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230 | ! ------------ |
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231 | !> Set the lateral and top boundary conditions in case the PALM domain is |
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232 | !> nested offline in a mesoscale model. Further, average boundary data and |
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233 | !> determine mean profiles, further used for correct damping in the sponge |
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234 | !> layer. |
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235 | !------------------------------------------------------------------------------! |
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236 | SUBROUTINE nesting_offl_bc |
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237 | |
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238 | IMPLICIT NONE |
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239 | |
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240 | INTEGER(iwp) :: i !< running index x-direction |
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241 | INTEGER(iwp) :: j !< running index y-direction |
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242 | INTEGER(iwp) :: k !< running index z-direction |
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243 | INTEGER(iwp) :: n !< running index for chemical species |
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244 | |
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245 | REAL(wp) :: fac_dt !< interpolation factor |
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246 | |
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247 | REAL(wp), DIMENSION(nzb:nzt+1) :: pt_ref !< reference profile for potential temperature |
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248 | REAL(wp), DIMENSION(nzb:nzt+1) :: pt_ref_l !< reference profile for potential temperature on subdomain |
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249 | REAL(wp), DIMENSION(nzb:nzt+1) :: q_ref !< reference profile for mixing ratio on subdomain |
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250 | REAL(wp), DIMENSION(nzb:nzt+1) :: q_ref_l !< reference profile for mixing ratio on subdomain |
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251 | REAL(wp), DIMENSION(nzb:nzt+1) :: u_ref !< reference profile for u-component on subdomain |
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252 | REAL(wp), DIMENSION(nzb:nzt+1) :: u_ref_l !< reference profile for u-component on subdomain |
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253 | REAL(wp), DIMENSION(nzb:nzt+1) :: v_ref !< reference profile for v-component on subdomain |
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254 | REAL(wp), DIMENSION(nzb:nzt+1) :: v_ref_l !< reference profile for v-component on subdomain |
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255 | |
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256 | CALL cpu_log( log_point(58), 'offline nesting', 'start' ) |
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257 | ! |
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258 | !-- Set mean profiles, derived from boundary data, to zero |
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259 | pt_ref = 0.0_wp |
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260 | q_ref = 0.0_wp |
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261 | u_ref = 0.0_wp |
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262 | v_ref = 0.0_wp |
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263 | |
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264 | pt_ref_l = 0.0_wp |
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265 | q_ref_l = 0.0_wp |
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266 | u_ref_l = 0.0_wp |
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267 | v_ref_l = 0.0_wp |
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268 | ! |
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269 | !-- Determine interpolation factor and limit it to 1. This is because |
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270 | !-- t+dt can slightly exceed time(tind_p) before boundary data is updated |
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271 | !-- again. |
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272 | fac_dt = ( time_since_reference_point - nest_offl%time(nest_offl%tind) & |
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273 | + dt_3d ) / & |
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274 | ( nest_offl%time(nest_offl%tind_p) - nest_offl%time(nest_offl%tind) ) |
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275 | fac_dt = MIN( 1.0_wp, fac_dt ) |
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276 | ! |
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277 | !-- Set boundary conditions of u-, v-, w-component, as well as q, and pt. |
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278 | !-- Note, boundary values at the left boundary: i=-1 (v,w,pt,q) and |
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279 | !-- i=0 (u), at the right boundary: i=nxr+1 (all), at the south boundary: |
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280 | !-- j=-1 (u,w,pt,q) and j=0 (v), at the north boundary: j=nyn+1 (all). |
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281 | !-- Please note, at the left (for u) and south (for v) boundary, values |
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282 | !-- for u and v are set also at i/j=-1, since these values are used in |
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283 | !-- boundary_conditions() to restore prognostic values. |
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284 | !-- Further, sum up data to calculate mean profiles from boundary data, |
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285 | !-- used for Rayleigh damping. |
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286 | IF ( bc_dirichlet_l ) THEN |
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287 | |
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288 | DO j = nys, nyn |
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289 | DO k = nzb+1, nzt |
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290 | u(k,j,0) = interpolate_in_time( nest_offl%u_left(0,k,j), & |
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291 | nest_offl%u_left(1,k,j), & |
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292 | fac_dt ) * & |
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293 | MERGE( 1.0_wp, 0.0_wp, & |
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294 | BTEST( wall_flags_0(k,j,0), 1 ) ) |
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295 | u(k,j,-1) = u(k,j,0) |
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296 | ENDDO |
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297 | u_ref_l(nzb+1:nzt) = u_ref_l(nzb+1:nzt) + u(nzb+1:nzt,j,0) |
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298 | ENDDO |
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299 | |
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300 | DO j = nys, nyn |
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301 | DO k = nzb+1, nzt-1 |
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302 | w(k,j,-1) = interpolate_in_time( nest_offl%w_left(0,k,j), & |
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303 | nest_offl%w_left(1,k,j), & |
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304 | fac_dt ) * & |
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305 | MERGE( 1.0_wp, 0.0_wp, & |
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306 | BTEST( wall_flags_0(k,j,-1), 3 ) ) |
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307 | ENDDO |
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308 | ENDDO |
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309 | |
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310 | DO j = nysv, nyn |
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311 | DO k = nzb+1, nzt |
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312 | v(k,j,-1) = interpolate_in_time( nest_offl%v_left(0,k,j), & |
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313 | nest_offl%v_left(1,k,j), & |
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314 | fac_dt ) * & |
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315 | MERGE( 1.0_wp, 0.0_wp, & |
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316 | BTEST( wall_flags_0(k,j,-1), 2 ) ) |
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317 | ENDDO |
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318 | v_ref_l(nzb+1:nzt) = v_ref_l(nzb+1:nzt) + v(nzb+1:nzt,j,-1) |
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319 | ENDDO |
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320 | |
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321 | IF ( .NOT. neutral ) THEN |
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322 | DO j = nys, nyn |
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323 | DO k = nzb+1, nzt |
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324 | pt(k,j,-1) = interpolate_in_time( nest_offl%pt_left(0,k,j), & |
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325 | nest_offl%pt_left(1,k,j), & |
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326 | fac_dt ) |
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327 | |
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328 | ENDDO |
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329 | pt_ref_l(nzb+1:nzt) = pt_ref_l(nzb+1:nzt) + pt(nzb+1:nzt,j,-1) |
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330 | ENDDO |
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331 | ENDIF |
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332 | |
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333 | IF ( humidity ) THEN |
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334 | DO j = nys, nyn |
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335 | DO k = nzb+1, nzt |
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336 | q(k,j,-1) = interpolate_in_time( nest_offl%q_left(0,k,j), & |
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337 | nest_offl%q_left(1,k,j), & |
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338 | fac_dt ) |
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339 | |
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340 | ENDDO |
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341 | q_ref_l(nzb+1:nzt) = q_ref_l(nzb+1:nzt) + q(nzb+1:nzt,j,-1) |
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342 | ENDDO |
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343 | ENDIF |
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344 | |
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345 | IF ( air_chemistry ) THEN |
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346 | DO n = 1, UBOUND( chem_species, 1 ) |
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347 | IF ( nest_offl%chem_from_file_l(n) ) THEN |
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348 | DO j = nys, nyn |
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349 | DO k = nzb+1, nzt |
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350 | chem_species(n)%conc(k,j,-1) = interpolate_in_time( & |
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351 | nest_offl%chem_left(0,k,j,n),& |
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352 | nest_offl%chem_left(1,k,j,n),& |
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353 | fac_dt ) |
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354 | ENDDO |
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355 | ENDDO |
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356 | ENDIF |
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357 | ENDDO |
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358 | ENDIF |
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359 | |
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360 | ENDIF |
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361 | |
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362 | IF ( bc_dirichlet_r ) THEN |
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363 | |
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364 | DO j = nys, nyn |
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365 | DO k = nzb+1, nzt |
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366 | u(k,j,nxr+1) = interpolate_in_time( nest_offl%u_right(0,k,j), & |
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367 | nest_offl%u_right(1,k,j), & |
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368 | fac_dt ) * & |
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369 | MERGE( 1.0_wp, 0.0_wp, & |
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370 | BTEST( wall_flags_0(k,j,nxr+1), 1 ) ) |
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371 | ENDDO |
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372 | u_ref_l(nzb+1:nzt) = u_ref_l(nzb+1:nzt) + u(nzb+1:nzt,j,nxr+1) |
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373 | ENDDO |
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374 | DO j = nys, nyn |
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375 | DO k = nzb+1, nzt-1 |
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376 | w(k,j,nxr+1) = interpolate_in_time( nest_offl%w_right(0,k,j), & |
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377 | nest_offl%w_right(1,k,j), & |
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378 | fac_dt ) * & |
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379 | MERGE( 1.0_wp, 0.0_wp, & |
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380 | BTEST( wall_flags_0(k,j,nxr+1), 3 ) ) |
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381 | ENDDO |
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382 | ENDDO |
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383 | |
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384 | DO j = nysv, nyn |
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385 | DO k = nzb+1, nzt |
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386 | v(k,j,nxr+1) = interpolate_in_time( nest_offl%v_right(0,k,j), & |
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387 | nest_offl%v_right(1,k,j), & |
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388 | fac_dt ) * & |
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389 | MERGE( 1.0_wp, 0.0_wp, & |
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390 | BTEST( wall_flags_0(k,j,nxr+1), 2 ) ) |
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391 | ENDDO |
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392 | v_ref_l(nzb+1:nzt) = v_ref_l(nzb+1:nzt) + v(nzb+1:nzt,j,nxr+1) |
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393 | ENDDO |
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394 | |
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395 | IF ( .NOT. neutral ) THEN |
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396 | DO j = nys, nyn |
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397 | DO k = nzb+1, nzt |
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398 | pt(k,j,nxr+1) = interpolate_in_time( & |
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399 | nest_offl%pt_right(0,k,j), & |
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400 | nest_offl%pt_right(1,k,j), & |
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401 | fac_dt ) |
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402 | ENDDO |
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403 | pt_ref_l(nzb+1:nzt) = pt_ref_l(nzb+1:nzt) + pt(nzb+1:nzt,j,nxr+1) |
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404 | ENDDO |
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405 | ENDIF |
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406 | |
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407 | IF ( humidity ) THEN |
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408 | DO j = nys, nyn |
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409 | DO k = nzb+1, nzt |
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410 | q(k,j,nxr+1) = interpolate_in_time( & |
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411 | nest_offl%q_right(0,k,j), & |
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412 | nest_offl%q_right(1,k,j), & |
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413 | fac_dt ) |
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414 | |
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415 | ENDDO |
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416 | q_ref_l(nzb+1:nzt) = q_ref_l(nzb+1:nzt) + q(nzb+1:nzt,j,nxr+1) |
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417 | ENDDO |
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418 | ENDIF |
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419 | |
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420 | IF ( air_chemistry ) THEN |
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421 | DO n = 1, UBOUND( chem_species, 1 ) |
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422 | IF ( nest_offl%chem_from_file_r(n) ) THEN |
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423 | DO j = nys, nyn |
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424 | DO k = nzb+1, nzt |
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425 | chem_species(n)%conc(k,j,nxr+1) = interpolate_in_time(& |
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426 | nest_offl%chem_right(0,k,j,n),& |
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427 | nest_offl%chem_right(1,k,j,n),& |
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428 | fac_dt ) |
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429 | ENDDO |
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430 | ENDDO |
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431 | ENDIF |
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432 | ENDDO |
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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 | IF ( bc_dirichlet_s ) THEN |
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438 | |
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439 | DO i = nxl, nxr |
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440 | DO k = nzb+1, nzt |
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441 | v(k,0,i) = interpolate_in_time( nest_offl%v_south(0,k,i), & |
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442 | nest_offl%v_south(1,k,i), & |
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443 | fac_dt ) * & |
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444 | MERGE( 1.0_wp, 0.0_wp, & |
---|
445 | BTEST( wall_flags_0(k,0,i), 2 ) ) |
---|
446 | v(k,-1,i) = v(k,0,i) |
---|
447 | ENDDO |
---|
448 | v_ref_l(nzb+1:nzt) = v_ref_l(nzb+1:nzt) + v(nzb+1:nzt,0,i) |
---|
449 | ENDDO |
---|
450 | |
---|
451 | DO i = nxl, nxr |
---|
452 | DO k = nzb+1, nzt-1 |
---|
453 | w(k,-1,i) = interpolate_in_time( nest_offl%w_south(0,k,i), & |
---|
454 | nest_offl%w_south(1,k,i), & |
---|
455 | fac_dt ) * & |
---|
456 | MERGE( 1.0_wp, 0.0_wp, & |
---|
457 | BTEST( wall_flags_0(k,-1,i), 3 ) ) |
---|
458 | ENDDO |
---|
459 | ENDDO |
---|
460 | |
---|
461 | DO i = nxlu, nxr |
---|
462 | DO k = nzb+1, nzt |
---|
463 | u(k,-1,i) = interpolate_in_time( nest_offl%u_south(0,k,i), & |
---|
464 | nest_offl%u_south(1,k,i), & |
---|
465 | fac_dt ) * & |
---|
466 | MERGE( 1.0_wp, 0.0_wp, & |
---|
467 | BTEST( wall_flags_0(k,-1,i), 1 ) ) |
---|
468 | ENDDO |
---|
469 | u_ref_l(nzb+1:nzt) = u_ref_l(nzb+1:nzt) + u(nzb+1:nzt,-1,i) |
---|
470 | ENDDO |
---|
471 | |
---|
472 | IF ( .NOT. neutral ) THEN |
---|
473 | DO i = nxl, nxr |
---|
474 | DO k = nzb+1, nzt |
---|
475 | pt(k,-1,i) = interpolate_in_time( & |
---|
476 | nest_offl%pt_south(0,k,i), & |
---|
477 | nest_offl%pt_south(1,k,i), & |
---|
478 | fac_dt ) |
---|
479 | |
---|
480 | ENDDO |
---|
481 | pt_ref_l(nzb+1:nzt) = pt_ref_l(nzb+1:nzt) + pt(nzb+1:nzt,-1,i) |
---|
482 | ENDDO |
---|
483 | ENDIF |
---|
484 | |
---|
485 | IF ( humidity ) THEN |
---|
486 | DO i = nxl, nxr |
---|
487 | DO k = nzb+1, nzt |
---|
488 | q(k,-1,i) = interpolate_in_time( & |
---|
489 | nest_offl%q_south(0,k,i), & |
---|
490 | nest_offl%q_south(1,k,i), & |
---|
491 | fac_dt ) |
---|
492 | |
---|
493 | ENDDO |
---|
494 | q_ref_l(nzb+1:nzt) = q_ref_l(nzb+1:nzt) + q(nzb+1:nzt,-1,i) |
---|
495 | ENDDO |
---|
496 | ENDIF |
---|
497 | |
---|
498 | IF ( air_chemistry ) THEN |
---|
499 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
500 | IF ( nest_offl%chem_from_file_s(n) ) THEN |
---|
501 | DO i = nxl, nxr |
---|
502 | DO k = nzb+1, nzt |
---|
503 | chem_species(n)%conc(k,-1,i) = interpolate_in_time( & |
---|
504 | nest_offl%chem_south(0,k,i,n),& |
---|
505 | nest_offl%chem_south(1,k,i,n),& |
---|
506 | fac_dt ) |
---|
507 | ENDDO |
---|
508 | ENDDO |
---|
509 | ENDIF |
---|
510 | ENDDO |
---|
511 | ENDIF |
---|
512 | |
---|
513 | ENDIF |
---|
514 | |
---|
515 | IF ( bc_dirichlet_n ) THEN |
---|
516 | |
---|
517 | DO i = nxl, nxr |
---|
518 | DO k = nzb+1, nzt |
---|
519 | v(k,nyn+1,i) = interpolate_in_time( nest_offl%v_north(0,k,i), & |
---|
520 | nest_offl%v_north(1,k,i), & |
---|
521 | fac_dt ) * & |
---|
522 | MERGE( 1.0_wp, 0.0_wp, & |
---|
523 | BTEST( wall_flags_0(k,nyn+1,i), 2 ) ) |
---|
524 | ENDDO |
---|
525 | v_ref_l(nzb+1:nzt) = v_ref_l(nzb+1:nzt) + v(nzb+1:nzt,nyn+1,i) |
---|
526 | ENDDO |
---|
527 | DO i = nxl, nxr |
---|
528 | DO k = nzb+1, nzt-1 |
---|
529 | w(k,nyn+1,i) = interpolate_in_time( nest_offl%w_north(0,k,i), & |
---|
530 | nest_offl%w_north(1,k,i), & |
---|
531 | fac_dt ) * & |
---|
532 | MERGE( 1.0_wp, 0.0_wp, & |
---|
533 | BTEST( wall_flags_0(k,nyn+1,i), 3 ) ) |
---|
534 | ENDDO |
---|
535 | ENDDO |
---|
536 | |
---|
537 | DO i = nxlu, nxr |
---|
538 | DO k = nzb+1, nzt |
---|
539 | u(k,nyn+1,i) = interpolate_in_time( nest_offl%u_north(0,k,i), & |
---|
540 | nest_offl%u_north(1,k,i), & |
---|
541 | fac_dt ) * & |
---|
542 | MERGE( 1.0_wp, 0.0_wp, & |
---|
543 | BTEST( wall_flags_0(k,nyn+1,i), 1 ) ) |
---|
544 | |
---|
545 | ENDDO |
---|
546 | u_ref_l(nzb+1:nzt) = u_ref_l(nzb+1:nzt) + u(nzb+1:nzt,nyn+1,i) |
---|
547 | ENDDO |
---|
548 | |
---|
549 | IF ( .NOT. neutral ) THEN |
---|
550 | DO i = nxl, nxr |
---|
551 | DO k = nzb+1, nzt |
---|
552 | pt(k,nyn+1,i) = interpolate_in_time( & |
---|
553 | nest_offl%pt_north(0,k,i), & |
---|
554 | nest_offl%pt_north(1,k,i), & |
---|
555 | fac_dt ) |
---|
556 | |
---|
557 | ENDDO |
---|
558 | pt_ref_l(nzb+1:nzt) = pt_ref_l(nzb+1:nzt) + pt(nzb+1:nzt,nyn+1,i) |
---|
559 | ENDDO |
---|
560 | ENDIF |
---|
561 | |
---|
562 | IF ( humidity ) THEN |
---|
563 | DO i = nxl, nxr |
---|
564 | DO k = nzb+1, nzt |
---|
565 | q(k,nyn+1,i) = interpolate_in_time( & |
---|
566 | nest_offl%q_north(0,k,i), & |
---|
567 | nest_offl%q_north(1,k,i), & |
---|
568 | fac_dt ) |
---|
569 | |
---|
570 | ENDDO |
---|
571 | q_ref_l(nzb+1:nzt) = q_ref_l(nzb+1:nzt) + q(nzb+1:nzt,nyn+1,i) |
---|
572 | ENDDO |
---|
573 | ENDIF |
---|
574 | |
---|
575 | IF ( air_chemistry ) THEN |
---|
576 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
577 | IF ( nest_offl%chem_from_file_n(n) ) THEN |
---|
578 | DO i = nxl, nxr |
---|
579 | DO k = nzb+1, nzt |
---|
580 | chem_species(n)%conc(k,nyn+1,i) = interpolate_in_time(& |
---|
581 | nest_offl%chem_north(0,k,i,n),& |
---|
582 | nest_offl%chem_north(1,k,i,n),& |
---|
583 | fac_dt ) |
---|
584 | ENDDO |
---|
585 | ENDDO |
---|
586 | ENDIF |
---|
587 | ENDDO |
---|
588 | ENDIF |
---|
589 | |
---|
590 | ENDIF |
---|
591 | ! |
---|
592 | !-- Top boundary |
---|
593 | DO i = nxlu, nxr |
---|
594 | DO j = nys, nyn |
---|
595 | u(nzt+1,j,i) = interpolate_in_time( nest_offl%u_top(0,j,i), & |
---|
596 | nest_offl%u_top(1,j,i), & |
---|
597 | fac_dt ) * & |
---|
598 | MERGE( 1.0_wp, 0.0_wp, & |
---|
599 | BTEST( wall_flags_0(nzt+1,j,i), 1 ) ) |
---|
600 | u_ref_l(nzt+1) = u_ref_l(nzt+1) + u(nzt+1,j,i) |
---|
601 | ENDDO |
---|
602 | ENDDO |
---|
603 | |
---|
604 | DO i = nxl, nxr |
---|
605 | DO j = nysv, nyn |
---|
606 | v(nzt+1,j,i) = interpolate_in_time( nest_offl%v_top(0,j,i), & |
---|
607 | nest_offl%v_top(1,j,i), & |
---|
608 | fac_dt ) * & |
---|
609 | MERGE( 1.0_wp, 0.0_wp, & |
---|
610 | BTEST( wall_flags_0(nzt+1,j,i), 2 ) ) |
---|
611 | v_ref_l(nzt+1) = v_ref_l(nzt+1) + v(nzt+1,j,i) |
---|
612 | ENDDO |
---|
613 | ENDDO |
---|
614 | |
---|
615 | DO i = nxl, nxr |
---|
616 | DO j = nys, nyn |
---|
617 | w(nzt,j,i) = interpolate_in_time( nest_offl%w_top(0,j,i), & |
---|
618 | nest_offl%w_top(1,j,i), & |
---|
619 | fac_dt ) * & |
---|
620 | MERGE( 1.0_wp, 0.0_wp, & |
---|
621 | BTEST( wall_flags_0(nzt,j,i), 3 ) ) |
---|
622 | w(nzt+1,j,i) = w(nzt,j,i) |
---|
623 | ENDDO |
---|
624 | ENDDO |
---|
625 | |
---|
626 | |
---|
627 | IF ( .NOT. neutral ) THEN |
---|
628 | DO i = nxl, nxr |
---|
629 | DO j = nys, nyn |
---|
630 | pt(nzt+1,j,i) = interpolate_in_time( nest_offl%pt_top(0,j,i), & |
---|
631 | nest_offl%pt_top(1,j,i), & |
---|
632 | fac_dt ) |
---|
633 | pt_ref_l(nzt+1) = pt_ref_l(nzt+1) + pt(nzt+1,j,i) |
---|
634 | ENDDO |
---|
635 | ENDDO |
---|
636 | ENDIF |
---|
637 | |
---|
638 | IF ( humidity ) THEN |
---|
639 | DO i = nxl, nxr |
---|
640 | DO j = nys, nyn |
---|
641 | q(nzt+1,j,i) = interpolate_in_time( nest_offl%q_top(0,j,i), & |
---|
642 | nest_offl%q_top(1,j,i), & |
---|
643 | fac_dt ) |
---|
644 | q_ref_l(nzt+1) = q_ref_l(nzt+1) + q(nzt+1,j,i) |
---|
645 | ENDDO |
---|
646 | ENDDO |
---|
647 | ENDIF |
---|
648 | |
---|
649 | IF ( air_chemistry ) THEN |
---|
650 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
651 | IF ( nest_offl%chem_from_file_t(n) ) THEN |
---|
652 | DO i = nxl, nxr |
---|
653 | DO j = nys, nyn |
---|
654 | chem_species(n)%conc(nzt+1,j,i) = interpolate_in_time( & |
---|
655 | nest_offl%chem_north(0,j,i,n), & |
---|
656 | nest_offl%chem_north(1,j,i,n), & |
---|
657 | fac_dt ) |
---|
658 | ENDDO |
---|
659 | ENDDO |
---|
660 | ENDIF |
---|
661 | ENDDO |
---|
662 | ENDIF |
---|
663 | ! |
---|
664 | !-- Moreover, set Neumann boundary condition for subgrid-scale TKE, |
---|
665 | !-- passive scalar, dissipation, and chemical species if required |
---|
666 | IF ( rans_mode .AND. rans_tke_e ) THEN |
---|
667 | IF ( bc_dirichlet_l ) diss(:,:,nxl-1) = diss(:,:,nxl) |
---|
668 | IF ( bc_dirichlet_r ) diss(:,:,nxr+1) = diss(:,:,nxr) |
---|
669 | IF ( bc_dirichlet_s ) diss(:,nys-1,:) = diss(:,nys,:) |
---|
670 | IF ( bc_dirichlet_n ) diss(:,nyn+1,:) = diss(:,nyn,:) |
---|
671 | ENDIF |
---|
672 | IF ( .NOT. constant_diffusion ) THEN |
---|
673 | IF ( bc_dirichlet_l ) e(:,:,nxl-1) = e(:,:,nxl) |
---|
674 | IF ( bc_dirichlet_r ) e(:,:,nxr+1) = e(:,:,nxr) |
---|
675 | IF ( bc_dirichlet_s ) e(:,nys-1,:) = e(:,nys,:) |
---|
676 | IF ( bc_dirichlet_n ) e(:,nyn+1,:) = e(:,nyn,:) |
---|
677 | e(nzt+1,:,:) = e(nzt,:,:) |
---|
678 | ENDIF |
---|
679 | IF ( passive_scalar ) THEN |
---|
680 | IF ( bc_dirichlet_l ) s(:,:,nxl-1) = s(:,:,nxl) |
---|
681 | IF ( bc_dirichlet_r ) s(:,:,nxr+1) = s(:,:,nxr) |
---|
682 | IF ( bc_dirichlet_s ) s(:,nys-1,:) = s(:,nys,:) |
---|
683 | IF ( bc_dirichlet_n ) s(:,nyn+1,:) = s(:,nyn,:) |
---|
684 | ENDIF |
---|
685 | |
---|
686 | CALL exchange_horiz( u, nbgp ) |
---|
687 | CALL exchange_horiz( v, nbgp ) |
---|
688 | CALL exchange_horiz( w, nbgp ) |
---|
689 | IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp ) |
---|
690 | IF ( humidity ) CALL exchange_horiz( q, nbgp ) |
---|
691 | IF ( air_chemistry ) THEN |
---|
692 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
693 | CALL exchange_horiz( chem_species(n)%conc, nbgp ) |
---|
694 | ENDDO |
---|
695 | ENDIF |
---|
696 | |
---|
697 | ! |
---|
698 | !-- In case of Rayleigh damping, where the profiles u_init, v_init |
---|
699 | !-- q_init and pt_init are still used, update these profiles from the |
---|
700 | !-- averaged boundary data. |
---|
701 | !-- But first, average these data. |
---|
702 | #if defined( __parallel ) |
---|
703 | CALL MPI_ALLREDUCE( u_ref_l, u_ref, nzt+1-nzb+1, MPI_REAL, MPI_SUM, & |
---|
704 | comm2d, ierr ) |
---|
705 | CALL MPI_ALLREDUCE( v_ref_l, v_ref, nzt+1-nzb+1, MPI_REAL, MPI_SUM, & |
---|
706 | comm2d, ierr ) |
---|
707 | IF ( humidity ) THEN |
---|
708 | CALL MPI_ALLREDUCE( q_ref_l, q_ref, nzt+1-nzb+1, MPI_REAL, MPI_SUM, & |
---|
709 | comm2d, ierr ) |
---|
710 | ENDIF |
---|
711 | IF ( .NOT. neutral ) THEN |
---|
712 | CALL MPI_ALLREDUCE( pt_ref_l, pt_ref, nzt+1-nzb+1, MPI_REAL, MPI_SUM,& |
---|
713 | comm2d, ierr ) |
---|
714 | ENDIF |
---|
715 | #else |
---|
716 | u_ref = u_ref_l |
---|
717 | v_ref = v_ref_l |
---|
718 | IF ( humidity ) q_ref = q_ref_l |
---|
719 | IF ( .NOT. neutral ) pt_ref = pt_ref_l |
---|
720 | #endif |
---|
721 | ! |
---|
722 | !-- Average data. Note, reference profiles up to nzt are derived from lateral |
---|
723 | !-- boundaries, at the model top it is derived from the top boundary. Thus, |
---|
724 | !-- number of input data is different from nzb:nzt compared to nzt+1. |
---|
725 | !-- Derived from lateral boundaries. |
---|
726 | u_ref(nzb:nzt) = u_ref(nzb:nzt) / REAL( 2.0_wp * ( ny + 1 + nx ), & |
---|
727 | KIND = wp ) |
---|
728 | v_ref(nzb:nzt) = v_ref(nzb:nzt) / REAL( 2.0_wp * ( ny + nx + 1 ), & |
---|
729 | KIND = wp ) |
---|
730 | IF ( humidity ) & |
---|
731 | q_ref(nzb:nzt) = q_ref(nzb:nzt) / REAL( 2.0_wp * & |
---|
732 | ( ny + 1 + nx + 1 ), & |
---|
733 | KIND = wp ) |
---|
734 | IF ( .NOT. neutral ) & |
---|
735 | pt_ref(nzb:nzt) = pt_ref(nzb:nzt) / REAL( 2.0_wp * & |
---|
736 | ( ny + 1 + nx + 1 ), & |
---|
737 | KIND = wp ) |
---|
738 | ! |
---|
739 | !-- Derived from top boundary. |
---|
740 | u_ref(nzt+1) = u_ref(nzt+1) / REAL( ( ny + 1 ) * ( nx ), KIND = wp ) |
---|
741 | v_ref(nzt+1) = v_ref(nzt+1) / REAL( ( ny ) * ( nx + 1 ), KIND = wp ) |
---|
742 | IF ( humidity ) & |
---|
743 | q_ref(nzt+1) = q_ref(nzt+1) / REAL( ( ny + 1 ) * ( nx + 1 ), & |
---|
744 | KIND = wp ) |
---|
745 | IF ( .NOT. neutral ) & |
---|
746 | pt_ref(nzt+1) = pt_ref(nzt+1) / REAL( ( ny + 1 ) * ( nx + 1 ), & |
---|
747 | KIND = wp ) |
---|
748 | ! |
---|
749 | !-- Write onto init profiles, which are used for damping |
---|
750 | u_init = u_ref |
---|
751 | v_init = v_ref |
---|
752 | IF ( humidity ) q_init = q_ref |
---|
753 | IF ( .NOT. neutral ) pt_init = pt_ref |
---|
754 | ! |
---|
755 | !-- Set bottom boundary condition |
---|
756 | IF ( humidity ) q_init(nzb) = q_init(nzb+1) |
---|
757 | IF ( .NOT. neutral ) pt_init(nzb) = pt_init(nzb+1) |
---|
758 | ! |
---|
759 | !-- Further, adjust Rayleigh damping height in case of time-changing conditions. |
---|
760 | !-- Therefore, calculate boundary-layer depth first. |
---|
761 | CALL calc_zi |
---|
762 | CALL adjust_sponge_layer |
---|
763 | |
---|
764 | ! |
---|
765 | !-- Update geostrophic wind components from dynamic input file. |
---|
766 | DO k = nzb+1, nzt |
---|
767 | ug(k) = interpolate_in_time( nest_offl%ug(0,k), nest_offl%ug(1,k), & |
---|
768 | fac_dt ) |
---|
769 | vg(k) = interpolate_in_time( nest_offl%vg(0,k), nest_offl%vg(1,k), & |
---|
770 | fac_dt ) |
---|
771 | ENDDO |
---|
772 | ug(nzt+1) = ug(nzt) |
---|
773 | vg(nzt+1) = vg(nzt) |
---|
774 | |
---|
775 | CALL cpu_log( log_point(58), 'offline nesting', 'stop' ) |
---|
776 | |
---|
777 | END SUBROUTINE nesting_offl_bc |
---|
778 | |
---|
779 | !------------------------------------------------------------------------------! |
---|
780 | ! Description: |
---|
781 | !------------------------------------------------------------------------------! |
---|
782 | !> Calculates the boundary-layer depth from the boundary data, according to |
---|
783 | !> bulk-Richardson criterion. |
---|
784 | !------------------------------------------------------------------------------! |
---|
785 | SUBROUTINE calc_zi |
---|
786 | |
---|
787 | USE basic_constants_and_equations_mod, & |
---|
788 | ONLY: g |
---|
789 | |
---|
790 | USE kinds |
---|
791 | |
---|
792 | USE surface_mod, & |
---|
793 | ONLY: get_topography_top_index, get_topography_top_index_ji |
---|
794 | |
---|
795 | IMPLICIT NONE |
---|
796 | |
---|
797 | INTEGER(iwp) :: i !< loop index in x-direction |
---|
798 | INTEGER(iwp) :: j !< loop index in y-direction |
---|
799 | INTEGER(iwp) :: k !< loop index in z-direction |
---|
800 | INTEGER(iwp) :: k_surface !< topography top index in z-direction |
---|
801 | |
---|
802 | REAL(wp) :: ri_bulk !< bulk Richardson number |
---|
803 | REAL(wp) :: ri_bulk_crit = 0.25_wp !< critical bulk Richardson number |
---|
804 | REAL(wp) :: topo_max !< maximum topography level in model domain |
---|
805 | REAL(wp) :: topo_max_l !< maximum topography level in subdomain |
---|
806 | REAL(wp) :: u_comp !< u-component |
---|
807 | REAL(wp) :: v_comp !< v-component |
---|
808 | REAL(wp) :: vpt_surface !< near-surface virtual potential temperature |
---|
809 | REAL(wp) :: zi_l !< mean boundary-layer depth on subdomain |
---|
810 | REAL(wp) :: zi_local !< local boundary-layer depth |
---|
811 | |
---|
812 | REAL(wp), DIMENSION(nzb:nzt+1) :: vpt_col !< vertical profile of virtual potential temperature at (j,i)-grid point |
---|
813 | |
---|
814 | |
---|
815 | ! |
---|
816 | !-- Calculate mean boundary-layer height from boundary data. |
---|
817 | !-- Start with the left and right boundaries. |
---|
818 | zi_l = 0.0_wp |
---|
819 | IF ( bc_dirichlet_l .OR. bc_dirichlet_r ) THEN |
---|
820 | ! |
---|
821 | !-- Determine index along x. Please note, index indicates boundary |
---|
822 | !-- grid point for scalars. |
---|
823 | i = MERGE( -1, nxr + 1, bc_dirichlet_l ) |
---|
824 | |
---|
825 | DO j = nys, nyn |
---|
826 | ! |
---|
827 | !-- Determine topography top index at current (j,i) index |
---|
828 | k_surface = get_topography_top_index_ji( j, i, 's' ) |
---|
829 | ! |
---|
830 | !-- Pre-compute surface virtual temperature. Therefore, use 2nd |
---|
831 | !-- prognostic level according to Heinze et al. (2017). |
---|
832 | IF ( humidity ) THEN |
---|
833 | vpt_surface = pt(k_surface+2,j,i) * & |
---|
834 | ( 1.0_wp + 0.61_wp * q(k_surface+2,j,i) ) |
---|
835 | vpt_col = pt(:,j,i) * ( 1.0_wp + 0.61_wp * q(:,j,i) ) |
---|
836 | ELSE |
---|
837 | vpt_surface = pt(k_surface+2,j,i) |
---|
838 | vpt_col = pt(:,j,i) |
---|
839 | ENDIF |
---|
840 | ! |
---|
841 | !-- Calculate local boundary layer height from bulk Richardson number, |
---|
842 | !-- i.e. the height where the bulk Richardson number exceeds its |
---|
843 | !-- critical value of 0.25 (according to Heinze et al., 2017). |
---|
844 | !-- Note, no interpolation of u- and v-component is made, as both |
---|
845 | !-- are mainly mean inflow profiles with very small spatial variation. |
---|
846 | zi_local = 0.0_wp |
---|
847 | DO k = k_surface+1, nzt |
---|
848 | u_comp = MERGE( u(k,j,i+1), u(k,j,i), bc_dirichlet_l ) |
---|
849 | v_comp = v(k,j,i) |
---|
850 | ri_bulk = zu(k) * g / vpt_surface * & |
---|
851 | ( vpt_col(k) - vpt_surface ) / & |
---|
852 | ( u_comp * u_comp + v_comp * v_comp ) |
---|
853 | |
---|
854 | IF ( zi_local == 0.0_wp .AND. ri_bulk > ri_bulk_crit ) & |
---|
855 | zi_local = zu(k) |
---|
856 | ENDDO |
---|
857 | ! |
---|
858 | !-- Assure that the minimum local boundary-layer depth is at least at |
---|
859 | !-- the second vertical grid level. |
---|
860 | zi_l = zi_l + MAX( zi_local, zu(k_surface+2) ) |
---|
861 | |
---|
862 | ENDDO |
---|
863 | |
---|
864 | ENDIF |
---|
865 | ! |
---|
866 | !-- Do the same at the north and south boundaries. |
---|
867 | IF ( bc_dirichlet_s .OR. bc_dirichlet_n ) THEN |
---|
868 | |
---|
869 | j = MERGE( -1, nyn + 1, bc_dirichlet_s ) |
---|
870 | |
---|
871 | DO i = nxl, nxr |
---|
872 | k_surface = get_topography_top_index_ji( j, i, 's' ) |
---|
873 | |
---|
874 | IF ( humidity ) THEN |
---|
875 | vpt_surface = pt(k_surface+2,j,i) * & |
---|
876 | ( 1.0_wp + 0.61_wp * q(k_surface+2,j,i) ) |
---|
877 | vpt_col = pt(:,j,i) * ( 1.0_wp + 0.61_wp * q(:,j,i) ) |
---|
878 | ELSE |
---|
879 | vpt_surface = pt(k_surface+2,j,i) |
---|
880 | vpt_col = pt(:,j,i) |
---|
881 | ENDIF |
---|
882 | |
---|
883 | zi_local = 0.0_wp |
---|
884 | DO k = k_surface+1, nzt |
---|
885 | u_comp = u(k,j,i) |
---|
886 | v_comp = MERGE( v(k,j+1,i), v(k,j,i), bc_dirichlet_s ) |
---|
887 | ri_bulk = zu(k) * g / vpt_surface * & |
---|
888 | ( vpt_col(k) - vpt_surface ) / & |
---|
889 | ( u_comp * u_comp + v_comp * v_comp ) |
---|
890 | |
---|
891 | IF ( zi_local == 0.0_wp .AND. ri_bulk > 0.25_wp ) & |
---|
892 | zi_local = zu(k) |
---|
893 | ENDDO |
---|
894 | zi_l = zi_l + MAX( zi_local, zu(k_surface+2) ) |
---|
895 | |
---|
896 | ENDDO |
---|
897 | |
---|
898 | ENDIF |
---|
899 | |
---|
900 | #if defined( __parallel ) |
---|
901 | CALL MPI_ALLREDUCE( zi_l, zi_ribulk, 1, MPI_REAL, MPI_SUM, & |
---|
902 | comm2d, ierr ) |
---|
903 | #else |
---|
904 | zi_ribulk = zi_l |
---|
905 | #endif |
---|
906 | zi_ribulk = zi_ribulk / REAL( 2 * nx + 2 * ny, KIND = wp ) |
---|
907 | ! |
---|
908 | !-- Finally, check if boundary layer depth is not below the any topography. |
---|
909 | !-- zi_ribulk will be used to adjust rayleigh damping height, i.e. the |
---|
910 | !-- lower level of the sponge layer, as well as to adjust the synthetic |
---|
911 | !-- turbulence generator accordingly. If Rayleigh damping would be applied |
---|
912 | !-- near buildings, etc., this would spoil the simulation results. |
---|
913 | topo_max_l = zw(MAXVAL( get_topography_top_index( 's' ))) |
---|
914 | |
---|
915 | #if defined( __parallel ) |
---|
916 | CALL MPI_ALLREDUCE( topo_max_l, topo_max, 1, MPI_REAL, MPI_MAX, & |
---|
917 | comm2d, ierr ) |
---|
918 | #else |
---|
919 | topo_max = topo_max_l |
---|
920 | #endif |
---|
921 | |
---|
922 | zi_ribulk = MAX( zi_ribulk, topo_max ) |
---|
923 | |
---|
924 | END SUBROUTINE calc_zi |
---|
925 | |
---|
926 | |
---|
927 | !------------------------------------------------------------------------------! |
---|
928 | ! Description: |
---|
929 | !------------------------------------------------------------------------------! |
---|
930 | !> Adjust the height where the rayleigh damping starts, i.e. the lower level |
---|
931 | !> of the sponge layer. |
---|
932 | !------------------------------------------------------------------------------! |
---|
933 | SUBROUTINE adjust_sponge_layer |
---|
934 | |
---|
935 | USE arrays_3d, & |
---|
936 | ONLY: rdf, rdf_sc, zu |
---|
937 | |
---|
938 | USE basic_constants_and_equations_mod, & |
---|
939 | ONLY: pi |
---|
940 | |
---|
941 | USE control_parameters, & |
---|
942 | ONLY: rayleigh_damping_height, rayleigh_damping_factor |
---|
943 | |
---|
944 | USE kinds |
---|
945 | |
---|
946 | IMPLICIT NONE |
---|
947 | |
---|
948 | INTEGER(iwp) :: k !< loop index in z-direction |
---|
949 | |
---|
950 | REAL(wp) :: rdh !< updated Rayleigh damping height |
---|
951 | |
---|
952 | |
---|
953 | IF ( rayleigh_damping_height > 0.0_wp .AND. & |
---|
954 | rayleigh_damping_factor > 0.0_wp ) THEN |
---|
955 | ! |
---|
956 | !-- Update Rayleigh-damping height and re-calculate height-depending |
---|
957 | !-- damping coefficients. |
---|
958 | !-- Assure that rayleigh damping starts well above the boundary layer. |
---|
959 | rdh = MIN( MAX( zi_ribulk * 1.3_wp, 10.0_wp * dz(1) ), & |
---|
960 | 0.8_wp * zu(nzt), rayleigh_damping_height ) |
---|
961 | ! |
---|
962 | !-- Update Rayleigh damping factor |
---|
963 | DO k = nzb+1, nzt |
---|
964 | IF ( zu(k) >= rdh ) THEN |
---|
965 | rdf(k) = rayleigh_damping_factor * & |
---|
966 | ( SIN( pi * 0.5_wp * ( zu(k) - rdh ) & |
---|
967 | / ( zu(nzt) - rdh ) ) & |
---|
968 | )**2 |
---|
969 | ENDIF |
---|
970 | ENDDO |
---|
971 | rdf_sc = rdf |
---|
972 | |
---|
973 | ENDIF |
---|
974 | |
---|
975 | END SUBROUTINE adjust_sponge_layer |
---|
976 | |
---|
977 | !------------------------------------------------------------------------------! |
---|
978 | ! Description: |
---|
979 | ! ------------ |
---|
980 | !> Performs consistency checks |
---|
981 | !------------------------------------------------------------------------------! |
---|
982 | SUBROUTINE nesting_offl_check_parameters |
---|
983 | |
---|
984 | USE control_parameters, & |
---|
985 | ONLY: child_domain, message_string, nesting_offline |
---|
986 | |
---|
987 | IMPLICIT NONE |
---|
988 | ! |
---|
989 | !-- Perform checks |
---|
990 | IF ( nesting_offline .AND. child_domain ) THEN |
---|
991 | message_string = 'Offline nesting is only applicable in root model.' |
---|
992 | CALL message( 'stg_check_parameters', 'PA0622', 1, 2, 0, 6, 0 ) |
---|
993 | ENDIF |
---|
994 | |
---|
995 | |
---|
996 | END SUBROUTINE nesting_offl_check_parameters |
---|
997 | |
---|
998 | !------------------------------------------------------------------------------! |
---|
999 | ! Description: |
---|
1000 | ! ------------ |
---|
1001 | !> Reads the parameter list nesting_offl_parameters |
---|
1002 | !------------------------------------------------------------------------------! |
---|
1003 | SUBROUTINE nesting_offl_parin |
---|
1004 | |
---|
1005 | IMPLICIT NONE |
---|
1006 | |
---|
1007 | CHARACTER (LEN=80) :: line !< dummy string that contains the current line of the parameter file |
---|
1008 | |
---|
1009 | |
---|
1010 | NAMELIST /nesting_offl_parameters/ nesting_offline |
---|
1011 | |
---|
1012 | line = ' ' |
---|
1013 | |
---|
1014 | ! |
---|
1015 | !-- Try to find stg package |
---|
1016 | REWIND ( 11 ) |
---|
1017 | line = ' ' |
---|
1018 | DO WHILE ( INDEX( line, '&nesting_offl_parameters' ) == 0 ) |
---|
1019 | READ ( 11, '(A)', END=20 ) line |
---|
1020 | ENDDO |
---|
1021 | BACKSPACE ( 11 ) |
---|
1022 | |
---|
1023 | ! |
---|
1024 | !-- Read namelist |
---|
1025 | READ ( 11, nesting_offl_parameters, ERR = 10, END = 20 ) |
---|
1026 | |
---|
1027 | GOTO 20 |
---|
1028 | |
---|
1029 | 10 BACKSPACE( 11 ) |
---|
1030 | READ( 11 , '(A)') line |
---|
1031 | CALL parin_fail_message( 'nesting_offl_parameters', line ) |
---|
1032 | |
---|
1033 | 20 CONTINUE |
---|
1034 | |
---|
1035 | |
---|
1036 | END SUBROUTINE nesting_offl_parin |
---|
1037 | |
---|
1038 | !------------------------------------------------------------------------------! |
---|
1039 | ! Description: |
---|
1040 | ! ------------ |
---|
1041 | !> Writes information about offline nesting into HEADER file |
---|
1042 | !------------------------------------------------------------------------------! |
---|
1043 | SUBROUTINE nesting_offl_header ( io ) |
---|
1044 | |
---|
1045 | IMPLICIT NONE |
---|
1046 | |
---|
1047 | INTEGER(iwp), INTENT(IN) :: io !< Unit of the output file |
---|
1048 | |
---|
1049 | WRITE ( io, 1 ) |
---|
1050 | IF ( nesting_offline ) THEN |
---|
1051 | WRITE ( io, 3 ) |
---|
1052 | ELSE |
---|
1053 | WRITE ( io, 2 ) |
---|
1054 | ENDIF |
---|
1055 | |
---|
1056 | 1 FORMAT (//' Offline nesting in COSMO model:'/ & |
---|
1057 | ' -------------------------------'/) |
---|
1058 | 2 FORMAT (' --> No offlince nesting is used (default) ') |
---|
1059 | 3 FORMAT (' --> Offlince nesting is used. Boundary data is read from dynamic input file ') |
---|
1060 | |
---|
1061 | END SUBROUTINE nesting_offl_header |
---|
1062 | |
---|
1063 | !------------------------------------------------------------------------------! |
---|
1064 | ! Description: |
---|
1065 | ! ------------ |
---|
1066 | !> Allocate arrays used to read boundary data from NetCDF file and initialize |
---|
1067 | !> boundary data. |
---|
1068 | !------------------------------------------------------------------------------! |
---|
1069 | SUBROUTINE nesting_offl_init |
---|
1070 | |
---|
1071 | USE netcdf_data_input_mod, & |
---|
1072 | ONLY: netcdf_data_input_offline_nesting |
---|
1073 | |
---|
1074 | IMPLICIT NONE |
---|
1075 | |
---|
1076 | INTEGER(iwp) :: n !< running index for chemical species |
---|
1077 | |
---|
1078 | |
---|
1079 | !-- Allocate arrays for geostrophic wind components. Arrays will |
---|
1080 | !-- incorporate 2 time levels in order to interpolate in between. |
---|
1081 | ALLOCATE( nest_offl%ug(0:1,1:nzt) ) |
---|
1082 | ALLOCATE( nest_offl%vg(0:1,1:nzt) ) |
---|
1083 | ! |
---|
1084 | !-- Allocate arrays for reading boundary values. Arrays will incorporate 2 |
---|
1085 | !-- time levels in order to interpolate in between. |
---|
1086 | IF ( bc_dirichlet_l ) THEN |
---|
1087 | ALLOCATE( nest_offl%u_left(0:1,nzb+1:nzt,nys:nyn) ) |
---|
1088 | ALLOCATE( nest_offl%v_left(0:1,nzb+1:nzt,nysv:nyn) ) |
---|
1089 | ALLOCATE( nest_offl%w_left(0:1,nzb+1:nzt-1,nys:nyn) ) |
---|
1090 | IF ( humidity ) ALLOCATE( nest_offl%q_left(0:1,nzb+1:nzt,nys:nyn) ) |
---|
1091 | IF ( .NOT. neutral ) ALLOCATE( nest_offl%pt_left(0:1,nzb+1:nzt,nys:nyn) ) |
---|
1092 | IF ( air_chemistry ) ALLOCATE( nest_offl%chem_left(0:1,nzb+1:nzt,nys:nyn,& |
---|
1093 | 1:UBOUND( chem_species, 1 )) ) |
---|
1094 | ENDIF |
---|
1095 | IF ( bc_dirichlet_r ) THEN |
---|
1096 | ALLOCATE( nest_offl%u_right(0:1,nzb+1:nzt,nys:nyn) ) |
---|
1097 | ALLOCATE( nest_offl%v_right(0:1,nzb+1:nzt,nysv:nyn) ) |
---|
1098 | ALLOCATE( nest_offl%w_right(0:1,nzb+1:nzt-1,nys:nyn) ) |
---|
1099 | IF ( humidity ) ALLOCATE( nest_offl%q_right(0:1,nzb+1:nzt,nys:nyn) ) |
---|
1100 | IF ( .NOT. neutral ) ALLOCATE( nest_offl%pt_right(0:1,nzb+1:nzt,nys:nyn) ) |
---|
1101 | IF ( air_chemistry ) ALLOCATE( nest_offl%chem_right(0:1,nzb+1:nzt,nys:nyn,& |
---|
1102 | 1:UBOUND( chem_species, 1 )) ) |
---|
1103 | ENDIF |
---|
1104 | IF ( bc_dirichlet_n ) THEN |
---|
1105 | ALLOCATE( nest_offl%u_north(0:1,nzb+1:nzt,nxlu:nxr) ) |
---|
1106 | ALLOCATE( nest_offl%v_north(0:1,nzb+1:nzt,nxl:nxr) ) |
---|
1107 | ALLOCATE( nest_offl%w_north(0:1,nzb+1:nzt-1,nxl:nxr) ) |
---|
1108 | IF ( humidity ) ALLOCATE( nest_offl%q_north(0:1,nzb+1:nzt,nxl:nxr) ) |
---|
1109 | IF ( .NOT. neutral ) ALLOCATE( nest_offl%pt_north(0:1,nzb+1:nzt,nxl:nxr) ) |
---|
1110 | IF ( air_chemistry ) ALLOCATE( nest_offl%chem_north(0:1,nzb+1:nzt,nxl:nxr,& |
---|
1111 | 1:UBOUND( chem_species, 1 )) ) |
---|
1112 | ENDIF |
---|
1113 | IF ( bc_dirichlet_s ) THEN |
---|
1114 | ALLOCATE( nest_offl%u_south(0:1,nzb+1:nzt,nxlu:nxr) ) |
---|
1115 | ALLOCATE( nest_offl%v_south(0:1,nzb+1:nzt,nxl:nxr) ) |
---|
1116 | ALLOCATE( nest_offl%w_south(0:1,nzb+1:nzt-1,nxl:nxr) ) |
---|
1117 | IF ( humidity ) ALLOCATE( nest_offl%q_south(0:1,nzb+1:nzt,nxl:nxr) ) |
---|
1118 | IF ( .NOT. neutral ) ALLOCATE( nest_offl%pt_south(0:1,nzb+1:nzt,nxl:nxr) ) |
---|
1119 | IF ( air_chemistry ) ALLOCATE( nest_offl%chem_south(0:1,nzb+1:nzt,nxl:nxr,& |
---|
1120 | 1:UBOUND( chem_species, 1 )) ) |
---|
1121 | ENDIF |
---|
1122 | |
---|
1123 | ALLOCATE( nest_offl%u_top(0:1,nys:nyn,nxlu:nxr) ) |
---|
1124 | ALLOCATE( nest_offl%v_top(0:1,nysv:nyn,nxl:nxr) ) |
---|
1125 | ALLOCATE( nest_offl%w_top(0:1,nys:nyn,nxl:nxr) ) |
---|
1126 | IF ( humidity ) ALLOCATE( nest_offl%q_top(0:1,nys:nyn,nxl:nxr) ) |
---|
1127 | IF ( .NOT. neutral ) ALLOCATE( nest_offl%pt_top(0:1,nys:nyn,nxl:nxr) ) |
---|
1128 | IF ( air_chemistry ) ALLOCATE( nest_offl%chem_top(0:1,nys:nyn,nxl:nxr, & |
---|
1129 | 1:UBOUND( chem_species, 1 )) ) |
---|
1130 | ! |
---|
1131 | !-- For chemical species, create the names of the variables. This is necessary |
---|
1132 | !-- to identify the respective variable and write it onto the correct array |
---|
1133 | !-- in the chem_species datatype. |
---|
1134 | IF ( air_chemistry ) THEN |
---|
1135 | ALLOCATE( nest_offl%chem_from_file_l(1:UBOUND( chem_species, 1 )) ) |
---|
1136 | ALLOCATE( nest_offl%chem_from_file_n(1:UBOUND( chem_species, 1 )) ) |
---|
1137 | ALLOCATE( nest_offl%chem_from_file_r(1:UBOUND( chem_species, 1 )) ) |
---|
1138 | ALLOCATE( nest_offl%chem_from_file_s(1:UBOUND( chem_species, 1 )) ) |
---|
1139 | ALLOCATE( nest_offl%chem_from_file_t(1:UBOUND( chem_species, 1 )) ) |
---|
1140 | |
---|
1141 | ALLOCATE( nest_offl%var_names_chem_l(1:UBOUND( chem_species, 1 )) ) |
---|
1142 | ALLOCATE( nest_offl%var_names_chem_n(1:UBOUND( chem_species, 1 )) ) |
---|
1143 | ALLOCATE( nest_offl%var_names_chem_r(1:UBOUND( chem_species, 1 )) ) |
---|
1144 | ALLOCATE( nest_offl%var_names_chem_s(1:UBOUND( chem_species, 1 )) ) |
---|
1145 | ALLOCATE( nest_offl%var_names_chem_t(1:UBOUND( chem_species, 1 )) ) |
---|
1146 | ! |
---|
1147 | !-- Initialize flags that indicate whether the variable is on file or |
---|
1148 | !-- not. Please note, this is only necessary for chemistry variables. |
---|
1149 | nest_offl%chem_from_file_l(:) = .FALSE. |
---|
1150 | nest_offl%chem_from_file_n(:) = .FALSE. |
---|
1151 | nest_offl%chem_from_file_r(:) = .FALSE. |
---|
1152 | nest_offl%chem_from_file_s(:) = .FALSE. |
---|
1153 | nest_offl%chem_from_file_t(:) = .FALSE. |
---|
1154 | |
---|
1155 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
1156 | nest_offl%var_names_chem_l(n) = nest_offl%char_l // & |
---|
1157 | TRIM(chem_species(n)%name) |
---|
1158 | nest_offl%var_names_chem_n(n) = nest_offl%char_n // & |
---|
1159 | TRIM(chem_species(n)%name) |
---|
1160 | nest_offl%var_names_chem_r(n) = nest_offl%char_r // & |
---|
1161 | TRIM(chem_species(n)%name) |
---|
1162 | nest_offl%var_names_chem_s(n) = nest_offl%char_s // & |
---|
1163 | TRIM(chem_species(n)%name) |
---|
1164 | nest_offl%var_names_chem_t(n) = nest_offl%char_t // & |
---|
1165 | TRIM(chem_species(n)%name) |
---|
1166 | ENDDO |
---|
1167 | ENDIF |
---|
1168 | ! |
---|
1169 | !-- Read COSMO data at lateral and top boundaries |
---|
1170 | CALL netcdf_data_input_offline_nesting |
---|
1171 | ! |
---|
1172 | !-- Initialize boundary data. |
---|
1173 | IF ( bc_dirichlet_l ) THEN |
---|
1174 | u(nzb+1:nzt,nys:nyn,0) = nest_offl%u_left(0,nzb+1:nzt,nys:nyn) |
---|
1175 | v(nzb+1:nzt,nysv:nyn,-1) = nest_offl%v_left(0,nzb+1:nzt,nysv:nyn) |
---|
1176 | w(nzb+1:nzt-1,nys:nyn,-1) = nest_offl%w_left(0,nzb+1:nzt-1,nys:nyn) |
---|
1177 | IF ( .NOT. neutral ) pt(nzb+1:nzt,nys:nyn,-1) = & |
---|
1178 | nest_offl%pt_left(0,nzb+1:nzt,nys:nyn) |
---|
1179 | IF ( humidity ) q(nzb+1:nzt,nys:nyn,-1) = & |
---|
1180 | nest_offl%q_left(0,nzb+1:nzt,nys:nyn) |
---|
1181 | IF ( air_chemistry ) THEN |
---|
1182 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
1183 | IF( nest_offl%chem_from_file_l(n) ) THEN |
---|
1184 | chem_species(n)%conc(nzb+1:nzt,nys:nyn,-1) = & |
---|
1185 | nest_offl%chem_left(0,nzb+1:nzt,nys:nyn,n) |
---|
1186 | ENDIF |
---|
1187 | ENDDO |
---|
1188 | ENDIF |
---|
1189 | ENDIF |
---|
1190 | IF ( bc_dirichlet_r ) THEN |
---|
1191 | u(nzb+1:nzt,nys:nyn,nxr+1) = nest_offl%u_right(0,nzb+1:nzt,nys:nyn) |
---|
1192 | v(nzb+1:nzt,nysv:nyn,nxr+1) = nest_offl%v_right(0,nzb+1:nzt,nysv:nyn) |
---|
1193 | w(nzb+1:nzt-1,nys:nyn,nxr+1) = nest_offl%w_right(0,nzb+1:nzt-1,nys:nyn) |
---|
1194 | IF ( .NOT. neutral ) pt(nzb+1:nzt,nys:nyn,nxr+1) = & |
---|
1195 | nest_offl%pt_right(0,nzb+1:nzt,nys:nyn) |
---|
1196 | IF ( humidity ) q(nzb+1:nzt,nys:nyn,nxr+1) = & |
---|
1197 | nest_offl%q_right(0,nzb+1:nzt,nys:nyn) |
---|
1198 | IF ( air_chemistry ) THEN |
---|
1199 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
1200 | IF( nest_offl%chem_from_file_r(n) ) THEN |
---|
1201 | chem_species(n)%conc(nzb+1:nzt,nys:nyn,nxr+1) = & |
---|
1202 | nest_offl%chem_right(0,nzb+1:nzt,nys:nyn,n) |
---|
1203 | ENDIF |
---|
1204 | ENDDO |
---|
1205 | ENDIF |
---|
1206 | ENDIF |
---|
1207 | IF ( bc_dirichlet_s ) THEN |
---|
1208 | u(nzb+1:nzt,-1,nxlu:nxr) = nest_offl%u_south(0,nzb+1:nzt,nxlu:nxr) |
---|
1209 | v(nzb+1:nzt,0,nxl:nxr) = nest_offl%v_south(0,nzb+1:nzt,nxl:nxr) |
---|
1210 | w(nzb+1:nzt-1,-1,nxl:nxr) = nest_offl%w_south(0,nzb+1:nzt-1,nxl:nxr) |
---|
1211 | IF ( .NOT. neutral ) pt(nzb+1:nzt,-1,nxl:nxr) = & |
---|
1212 | nest_offl%pt_south(0,nzb+1:nzt,nxl:nxr) |
---|
1213 | IF ( humidity ) q(nzb+1:nzt,-1,nxl:nxr) = & |
---|
1214 | nest_offl%q_south(0,nzb+1:nzt,nxl:nxr) |
---|
1215 | IF ( air_chemistry ) THEN |
---|
1216 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
1217 | IF( nest_offl%chem_from_file_s(n) ) THEN |
---|
1218 | chem_species(n)%conc(nzb+1:nzt,-1,nxl:nxr) = & |
---|
1219 | nest_offl%chem_south(0,nzb+1:nzt,nxl:nxr,n) |
---|
1220 | ENDIF |
---|
1221 | ENDDO |
---|
1222 | ENDIF |
---|
1223 | ENDIF |
---|
1224 | IF ( bc_dirichlet_n ) THEN |
---|
1225 | u(nzb+1:nzt,nyn+1,nxlu:nxr) = nest_offl%u_north(0,nzb+1:nzt,nxlu:nxr) |
---|
1226 | v(nzb+1:nzt,nyn+1,nxl:nxr) = nest_offl%v_north(0,nzb+1:nzt,nxl:nxr) |
---|
1227 | w(nzb+1:nzt-1,nyn+1,nxl:nxr) = nest_offl%w_north(0,nzb+1:nzt-1,nxl:nxr) |
---|
1228 | IF ( .NOT. neutral ) pt(nzb+1:nzt,nyn+1,nxl:nxr) = & |
---|
1229 | nest_offl%pt_north(0,nzb+1:nzt,nxl:nxr) |
---|
1230 | IF ( humidity ) q(nzb+1:nzt,nyn+1,nxl:nxr) = & |
---|
1231 | nest_offl%q_north(0,nzb+1:nzt,nxl:nxr) |
---|
1232 | IF ( air_chemistry ) THEN |
---|
1233 | DO n = 1, UBOUND( chem_species, 1 ) |
---|
1234 | IF( nest_offl%chem_from_file_n(n) ) THEN |
---|
1235 | chem_species(n)%conc(nzb+1:nzt,nyn+1,nxl:nxr) = & |
---|
1236 | nest_offl%chem_north(0,nzb+1:nzt,nxl:nxr,n) |
---|
1237 | ENDIF |
---|
1238 | ENDDO |
---|
1239 | ENDIF |
---|
1240 | ENDIF |
---|
1241 | ! |
---|
1242 | !-- Initialize geostrophic wind components. Actually this is already done in |
---|
1243 | !-- init_3d_model when initializing_action = 'inifor', however, in speical |
---|
1244 | !-- case of user-defined initialization this will be done here again, in |
---|
1245 | !-- order to have a consistent initialization. |
---|
1246 | ug(nzb+1:nzt) = nest_offl%ug(0,nzb+1:nzt) |
---|
1247 | vg(nzb+1:nzt) = nest_offl%vg(0,nzb+1:nzt) |
---|
1248 | ! |
---|
1249 | !-- Set bottom and top boundary condition for geostrophic wind components |
---|
1250 | ug(nzt+1) = ug(nzt) |
---|
1251 | vg(nzt+1) = vg(nzt) |
---|
1252 | ug(nzb) = ug(nzb+1) |
---|
1253 | vg(nzb) = vg(nzb+1) |
---|
1254 | ! |
---|
1255 | !-- Initial calculation of the boundary layer depth from the prescribed |
---|
1256 | !-- boundary data. This is requiered for initialize the synthetic turbulence |
---|
1257 | !-- generator correctly. |
---|
1258 | CALL calc_zi |
---|
1259 | |
---|
1260 | ! |
---|
1261 | !-- After boundary data is initialized, mask topography at the |
---|
1262 | !-- boundaries for the velocity components. |
---|
1263 | u = MERGE( u, 0.0_wp, BTEST( wall_flags_0, 1 ) ) |
---|
1264 | v = MERGE( v, 0.0_wp, BTEST( wall_flags_0, 2 ) ) |
---|
1265 | w = MERGE( w, 0.0_wp, BTEST( wall_flags_0, 3 ) ) |
---|
1266 | |
---|
1267 | CALL calc_zi |
---|
1268 | |
---|
1269 | ! |
---|
1270 | !-- After boundary data is initialized, ensure mass conservation |
---|
1271 | CALL nesting_offl_mass_conservation |
---|
1272 | |
---|
1273 | END SUBROUTINE nesting_offl_init |
---|
1274 | |
---|
1275 | !------------------------------------------------------------------------------! |
---|
1276 | ! Description: |
---|
1277 | !------------------------------------------------------------------------------! |
---|
1278 | !> Interpolation function, used to interpolate boundary data in time. |
---|
1279 | !------------------------------------------------------------------------------! |
---|
1280 | FUNCTION interpolate_in_time( var_t1, var_t2, fac ) |
---|
1281 | |
---|
1282 | USE kinds |
---|
1283 | |
---|
1284 | IMPLICIT NONE |
---|
1285 | |
---|
1286 | REAL(wp) :: interpolate_in_time !< time-interpolated boundary value |
---|
1287 | REAL(wp) :: var_t1 !< boundary value at t1 |
---|
1288 | REAL(wp) :: var_t2 !< boundary value at t2 |
---|
1289 | REAL(wp) :: fac !< interpolation factor |
---|
1290 | |
---|
1291 | interpolate_in_time = ( 1.0_wp - fac ) * var_t1 + fac * var_t2 |
---|
1292 | |
---|
1293 | END FUNCTION interpolate_in_time |
---|
1294 | |
---|
1295 | |
---|
1296 | |
---|
1297 | END MODULE nesting_offl_mod |
---|