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 1997-2012 Leibniz University 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 1132 2013-04-12 14:35:30Z raasch $ |
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27 | ! |
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28 | ! 1128 2013-04-12 06:19:32Z raasch |
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29 | ! asynchronous transfer of ghost point data realized for acc-optimized version: |
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30 | ! prognostic_equations are first called two times for those points required for |
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31 | ! the left-right and north-south exchange, respectively, and then for the |
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32 | ! remaining points, |
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33 | ! those parts requiring global communication moved from prognostic_equations to |
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34 | ! here |
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35 | ! |
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36 | ! 1115 2013-03-26 18:16:16Z hoffmann |
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37 | ! calculation of qr and nr is restricted to precipitation |
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38 | ! |
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39 | ! 1113 2013-03-10 02:48:14Z raasch |
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40 | ! GPU-porting of boundary conditions, |
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41 | ! openACC directives updated |
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42 | ! formal parameter removed from routine boundary_conds |
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43 | ! |
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44 | ! 1111 2013-03-08 23:54:10Z raasch |
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45 | ! +internal timestep counter for cpu statistics added, |
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46 | ! openACC directives updated |
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47 | ! |
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48 | ! 1092 2013-02-02 11:24:22Z raasch |
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49 | ! unused variables removed |
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50 | ! |
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51 | ! 1065 2012-11-22 17:42:36Z hoffmann |
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52 | ! exchange of diss (dissipation rate) in case of turbulence = .TRUE. added |
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53 | ! |
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54 | ! 1053 2012-11-13 17:11:03Z hoffmann |
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55 | ! exchange of ghost points for nr, qr added |
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56 | ! |
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57 | ! 1036 2012-10-22 13:43:42Z raasch |
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58 | ! code put under GPL (PALM 3.9) |
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59 | ! |
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60 | ! 1019 2012-09-28 06:46:45Z raasch |
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61 | ! non-optimized version of prognostic_equations removed |
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62 | ! |
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63 | ! 1015 2012-09-27 09:23:24Z raasch |
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64 | ! +call of prognostic_equations_acc |
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65 | ! |
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66 | ! 1001 2012-09-13 14:08:46Z raasch |
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67 | ! all actions concerning leapfrog- and upstream-spline-scheme removed |
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68 | ! |
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69 | ! 849 2012-03-15 10:35:09Z raasch |
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70 | ! advec_particles renamed lpm, first_call_advec_particles renamed first_call_lpm |
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71 | ! |
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72 | ! 825 2012-02-19 03:03:44Z raasch |
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73 | ! wang_collision_kernel renamed wang_kernel |
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74 | ! |
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75 | ! 790 2011-11-29 03:11:20Z raasch |
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76 | ! exchange of ghostpoints for array diss |
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77 | ! |
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78 | ! 707 2011-03-29 11:39:40Z raasch |
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79 | ! bc_lr/ns replaced by bc_lr/ns_cyc, calls of exchange_horiz are modified, |
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80 | ! adaption to sloping surface |
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81 | ! |
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82 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
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83 | ! Calls of exchange_horiz are modified. |
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84 | ! Adaption to slooping surface. |
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85 | ! |
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86 | ! 449 2010-02-02 11:23:59Z raasch |
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87 | ! Bugfix: exchange of ghost points for prho included |
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88 | ! |
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89 | ! 410 2009-12-04 17:05:40Z letzel |
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90 | ! masked data output |
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91 | ! |
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92 | ! 388 2009-09-23 09:40:33Z raasch |
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93 | ! Using prho instead of rho in diffusvities. |
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94 | ! Coupling with independent precursor runs. |
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95 | ! Bugfix: output of particle time series only if particle advection is switched |
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96 | ! on |
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97 | ! |
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98 | ! 151 2008-03-07 13:42:18Z raasch |
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99 | ! inflow turbulence is imposed by calling new routine inflow_turbulence |
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100 | ! |
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101 | ! 108 2007-08-24 15:10:38Z letzel |
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102 | ! Call of new routine surface_coupler, |
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103 | ! presure solver is called after the first Runge-Kutta substep instead of the |
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104 | ! last in case that call_psolver_at_all_substeps = .F.; for this case, the |
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105 | ! random perturbation has to be added to the velocity fields also after the |
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106 | ! first substep |
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107 | ! |
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108 | ! 97 2007-06-21 08:23:15Z raasch |
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109 | ! diffusivities is called with argument rho in case of ocean runs, |
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110 | ! new argument pt_/prho_reference in calls of diffusivities, |
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111 | ! ghostpoint exchange for salinity and density |
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112 | ! |
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113 | ! 87 2007-05-22 15:46:47Z raasch |
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114 | ! var_hom renamed pr_palm |
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115 | ! |
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116 | ! 75 2007-03-22 09:54:05Z raasch |
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117 | ! Move call of user_actions( 'after_integration' ) below increment of times |
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118 | ! and counters, |
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119 | ! calls of prognostic_equations_.. changed to .._noopt, .._cache, and |
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120 | ! .._vector, these calls are now controlled by switch loop_optimization, |
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121 | ! uxrp, vynp eliminated, 2nd+3rd argument removed from exchange horiz, |
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122 | ! moisture renamed humidity |
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123 | ! |
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124 | ! RCS Log replace by Id keyword, revision history cleaned up |
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125 | ! |
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126 | ! Revision 1.8 2006/08/22 14:16:05 raasch |
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127 | ! Disturbances are imposed only for the last Runge-Kutta-substep |
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128 | ! |
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129 | ! Revision 1.2 2004/04/30 13:03:40 raasch |
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130 | ! decalpha-specific warning removed, routine name changed to time_integration, |
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131 | ! particle advection is carried out only once during the intermediate steps, |
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132 | ! impulse_advec renamed momentum_advec |
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133 | ! |
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134 | ! Revision 1.1 1997/08/11 06:19:04 raasch |
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135 | ! Initial revision |
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136 | ! |
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137 | ! |
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138 | ! Description: |
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139 | ! ------------ |
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140 | ! Integration in time of the model equations, statistical analysis and graphic |
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141 | ! output |
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142 | !------------------------------------------------------------------------------! |
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143 | |
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144 | USE advec_ws |
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145 | USE arrays_3d |
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146 | USE averaging |
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147 | USE buoyancy_mod |
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148 | USE control_parameters |
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149 | USE cpulog |
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150 | #if defined( __dvrp_graphics ) |
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151 | USE DVRP |
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152 | #endif |
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153 | USE grid_variables |
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154 | USE indices |
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155 | USE interaction_droplets_ptq_mod |
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156 | USE interfaces |
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157 | USE particle_attributes |
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158 | USE pegrid |
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159 | USE production_e_mod |
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160 | USE prognostic_equations_mod |
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161 | USE statistics |
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162 | USE user_actions_mod |
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163 | |
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164 | IMPLICIT NONE |
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165 | |
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166 | CHARACTER (LEN=9) :: time_to_string |
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167 | |
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168 | ! |
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169 | !-- At the beginning of a simulation determine the time step as well as |
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170 | !-- determine and print out the run control parameters |
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171 | IF ( simulated_time == 0.0 ) CALL timestep |
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172 | |
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173 | CALL run_control |
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174 | |
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175 | |
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176 | ! |
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177 | !-- Data exchange between coupled models in case that a call has been omitted |
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178 | !-- at the end of the previous run of a job chain. |
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179 | IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN |
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180 | ! |
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181 | !-- In case of model termination initiated by the local model the coupler |
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182 | !-- must not be called because this would again cause an MPI hang. |
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183 | DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 ) |
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184 | CALL surface_coupler |
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185 | time_coupling = time_coupling - dt_coupling |
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186 | ENDDO |
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187 | IF (time_coupling == 0.0 .AND. time_since_reference_point < dt_coupling)& |
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188 | THEN |
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189 | time_coupling = time_since_reference_point |
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190 | ENDIF |
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191 | ENDIF |
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192 | |
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193 | |
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194 | #if defined( __dvrp_graphics ) |
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195 | ! |
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196 | !-- Time measurement with dvrp software |
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197 | CALL DVRP_LOG_EVENT( 2, current_timestep_number ) |
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198 | #endif |
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199 | |
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200 | ! |
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201 | !-- Start of the time loop |
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202 | DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. & |
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203 | .NOT. terminate_run ) |
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204 | |
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205 | CALL cpu_log( log_point_s(10), 'timesteps', 'start' ) |
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206 | ! |
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207 | !-- Determine size of next time step |
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208 | IF ( simulated_time /= 0.0 ) CALL timestep |
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209 | ! |
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210 | !-- Execute the user-defined actions |
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211 | CALL user_actions( 'before_timestep' ) |
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212 | |
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213 | ! |
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214 | !-- Start of intermediate step loop |
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215 | intermediate_timestep_count = 0 |
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216 | DO WHILE ( intermediate_timestep_count < & |
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217 | intermediate_timestep_count_max ) |
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218 | |
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219 | intermediate_timestep_count = intermediate_timestep_count + 1 |
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220 | |
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221 | ! |
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222 | !-- Set the steering factors for the prognostic equations which depend |
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223 | !-- on the timestep scheme |
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224 | CALL timestep_scheme_steering |
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225 | |
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226 | ! |
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227 | !-- Calculate those variables needed in the tendency terms which need |
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228 | !-- global communication |
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229 | IF ( .NOT. neutral ) CALL calc_mean_profile( pt, 4 ) |
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230 | IF ( ocean ) CALL calc_mean_profile( rho, 64 ) |
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231 | IF ( humidity ) CALL calc_mean_profile( vpt, 44 ) |
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232 | IF ( .NOT. constant_diffusion ) CALL production_e_init |
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233 | IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. & |
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234 | intermediate_timestep_count == 1 ) CALL ws_statistics |
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235 | |
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236 | ! |
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237 | !-- Solve the prognostic equations. A fast cache optimized version with |
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238 | !-- only one single loop is used in case of Piascek-Williams advection |
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239 | !-- scheme. NEC vector machines use a different version, because |
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240 | !-- in the other versions a good vectorization is prohibited due to |
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241 | !-- inlining problems. |
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242 | IF ( loop_optimization == 'cache' ) THEN |
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243 | CALL prognostic_equations_cache |
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244 | ELSEIF ( loop_optimization == 'vector' ) THEN |
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245 | CALL prognostic_equations_vector |
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246 | ELSEIF ( loop_optimization == 'acc' ) THEN |
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247 | ! i_left = nxl; i_right = nxr |
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248 | ! j_south = nys; j_north = nyn |
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249 | ! CALL prognostic_equations_acc |
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250 | |
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251 | i_left = nxl; i_right = nxl+nbgp-1 |
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252 | j_south = nys; j_north = nyn |
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253 | CALL prognostic_equations_acc |
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254 | i_left = nxr-nbgp+1; i_right = nxr |
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255 | j_south = nys; j_north = nyn |
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256 | CALL prognostic_equations_acc |
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257 | |
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258 | ! |
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259 | !-- Exchange of ghost points (lateral boundary conditions) |
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260 | IF ( background_communication ) THEN |
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261 | |
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262 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' ) |
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263 | |
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264 | send_receive = 'lr' |
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265 | sendrecv_in_background = .TRUE. |
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266 | req = 0 |
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267 | req_count = 0 |
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268 | |
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269 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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270 | on_device = .TRUE. ! to be removed after complete porting |
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271 | ELSE ! of ghost point exchange |
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272 | !$acc update host( e_p, pt_p, u_p, v_p, w_p ) |
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273 | ENDIF |
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274 | |
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275 | CALL exchange_horiz( u_p, nbgp ) |
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276 | CALL exchange_horiz( v_p, nbgp ) |
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277 | CALL exchange_horiz( w_p, nbgp ) |
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278 | CALL exchange_horiz( pt_p, nbgp ) |
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279 | IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp ) |
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280 | IF ( ocean ) THEN |
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281 | CALL exchange_horiz( sa_p, nbgp ) |
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282 | CALL exchange_horiz( rho, nbgp ) |
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283 | CALL exchange_horiz( prho, nbgp ) |
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284 | ENDIF |
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285 | IF (humidity .OR. passive_scalar) THEN |
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286 | CALL exchange_horiz( q_p, nbgp ) |
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287 | IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN |
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288 | CALL exchange_horiz( qr_p, nbgp ) |
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289 | CALL exchange_horiz( nr_p, nbgp ) |
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290 | ENDIF |
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291 | ENDIF |
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292 | IF ( cloud_droplets ) THEN |
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293 | CALL exchange_horiz( ql, nbgp ) |
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294 | CALL exchange_horiz( ql_c, nbgp ) |
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295 | CALL exchange_horiz( ql_v, nbgp ) |
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296 | CALL exchange_horiz( ql_vp, nbgp ) |
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297 | ENDIF |
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298 | IF ( wang_kernel .OR. turbulence ) CALL exchange_horiz( diss, nbgp ) |
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299 | |
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300 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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301 | on_device = .FALSE. ! to be removed after complete porting |
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302 | ELSE ! of ghost point exchange |
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303 | !$acc update device( e_p, pt_p, u_p, v_p, w_p ) |
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304 | ENDIF |
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305 | |
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306 | sendrecv_in_background = .FALSE. |
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307 | |
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308 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'pause' ) |
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309 | |
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310 | ENDIF |
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311 | |
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312 | i_left = nxl+nbgp; i_right = nxr-nbgp |
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313 | j_south = nys; j_north = nys+nbgp-1 |
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314 | CALL prognostic_equations_acc |
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315 | i_left = nxl+nbgp; i_right = nxr-nbgp |
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316 | j_south = nyn-nbgp+1; j_north = nyn |
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317 | CALL prognostic_equations_acc |
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318 | |
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319 | IF ( background_communication ) THEN |
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320 | CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'start' ) |
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321 | #if defined( __parallel ) |
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322 | CALL MPI_WAITALL( req_count, req, wait_stat, ierr ) |
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323 | #endif |
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324 | CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'pause' ) |
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325 | |
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326 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'continue' ) |
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327 | |
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328 | send_receive = 'ns' |
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329 | sendrecv_in_background = .TRUE. |
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330 | req = 0 |
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331 | req_count = 0 |
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332 | |
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333 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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334 | on_device = .TRUE. ! to be removed after complete porting |
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335 | ELSE ! of ghost point exchange |
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336 | !$acc update host( e_p, pt_p, u_p, v_p, w_p ) |
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337 | ENDIF |
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338 | |
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339 | CALL exchange_horiz( u_p, nbgp ) |
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340 | CALL exchange_horiz( v_p, nbgp ) |
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341 | CALL exchange_horiz( w_p, nbgp ) |
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342 | CALL exchange_horiz( pt_p, nbgp ) |
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343 | IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp ) |
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344 | IF ( ocean ) THEN |
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345 | CALL exchange_horiz( sa_p, nbgp ) |
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346 | CALL exchange_horiz( rho, nbgp ) |
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347 | CALL exchange_horiz( prho, nbgp ) |
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348 | ENDIF |
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349 | IF (humidity .OR. passive_scalar) THEN |
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350 | CALL exchange_horiz( q_p, nbgp ) |
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351 | IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN |
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352 | CALL exchange_horiz( qr_p, nbgp ) |
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353 | CALL exchange_horiz( nr_p, nbgp ) |
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354 | ENDIF |
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355 | ENDIF |
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356 | IF ( cloud_droplets ) THEN |
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357 | CALL exchange_horiz( ql, nbgp ) |
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358 | CALL exchange_horiz( ql_c, nbgp ) |
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359 | CALL exchange_horiz( ql_v, nbgp ) |
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360 | CALL exchange_horiz( ql_vp, nbgp ) |
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361 | ENDIF |
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362 | IF ( wang_kernel .OR. turbulence ) CALL exchange_horiz( diss, nbgp ) |
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363 | |
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364 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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365 | on_device = .FALSE. ! to be removed after complete porting |
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366 | ELSE ! of ghost point exchange |
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367 | !$acc update device( e_p, pt_p, u_p, v_p, w_p ) |
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368 | ENDIF |
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369 | |
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370 | sendrecv_in_background = .FALSE. |
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371 | |
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372 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' ) |
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373 | |
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374 | ENDIF |
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375 | |
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376 | i_left = nxl+nbgp; i_right = nxr-nbgp |
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377 | j_south = nys+nbgp; j_north = nyn-nbgp |
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378 | CALL prognostic_equations_acc |
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379 | |
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380 | IF ( background_communication ) THEN |
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381 | CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'continue' ) |
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382 | #if defined( __parallel ) |
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383 | CALL MPI_WAITALL( req_count, req, wait_stat, ierr ) |
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384 | #endif |
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385 | send_receive = 'al' |
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386 | CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'stop' ) |
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387 | ENDIF |
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388 | |
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389 | ENDIF |
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390 | |
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391 | ! |
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392 | !-- Particle transport/physics with the Lagrangian particle model |
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393 | !-- (only once during intermediate steps, because it uses an Euler-step) |
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394 | !-- ### particle model should be moved before prognostic_equations, in order |
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395 | !-- to regard droplet interactions directly |
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396 | IF ( particle_advection .AND. & |
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397 | simulated_time >= particle_advection_start .AND. & |
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398 | intermediate_timestep_count == 1 ) THEN |
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399 | CALL lpm |
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400 | first_call_lpm = .FALSE. |
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401 | ENDIF |
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402 | |
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403 | ! |
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404 | !-- Interaction of droplets with temperature and specific humidity. |
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405 | !-- Droplet condensation and evaporation is calculated within |
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406 | !-- advec_particles. |
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407 | IF ( cloud_droplets .AND. & |
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408 | intermediate_timestep_count == intermediate_timestep_count_max )& |
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409 | THEN |
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410 | CALL interaction_droplets_ptq |
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411 | ENDIF |
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412 | |
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413 | ! |
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414 | !-- Exchange of ghost points (lateral boundary conditions) |
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415 | IF ( .NOT. background_communication ) THEN |
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416 | |
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417 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' ) |
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418 | |
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419 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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420 | on_device = .TRUE. ! to be removed after complete porting |
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421 | ELSE ! of ghost point exchange |
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422 | !$acc update host( e_p, pt_p, u_p, v_p, w_p ) |
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423 | ENDIF |
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424 | |
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425 | CALL exchange_horiz( u_p, nbgp ) |
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426 | CALL exchange_horiz( v_p, nbgp ) |
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427 | CALL exchange_horiz( w_p, nbgp ) |
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428 | CALL exchange_horiz( pt_p, nbgp ) |
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429 | IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp ) |
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430 | IF ( ocean ) THEN |
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431 | CALL exchange_horiz( sa_p, nbgp ) |
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432 | CALL exchange_horiz( rho, nbgp ) |
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433 | CALL exchange_horiz( prho, nbgp ) |
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434 | ENDIF |
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435 | IF (humidity .OR. passive_scalar) THEN |
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436 | CALL exchange_horiz( q_p, nbgp ) |
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437 | IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN |
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438 | CALL exchange_horiz( qr_p, nbgp ) |
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439 | CALL exchange_horiz( nr_p, nbgp ) |
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440 | ENDIF |
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441 | ENDIF |
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442 | IF ( cloud_droplets ) THEN |
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443 | CALL exchange_horiz( ql, nbgp ) |
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444 | CALL exchange_horiz( ql_c, nbgp ) |
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445 | CALL exchange_horiz( ql_v, nbgp ) |
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446 | CALL exchange_horiz( ql_vp, nbgp ) |
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447 | ENDIF |
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448 | IF ( wang_kernel .OR. turbulence ) CALL exchange_horiz( diss, nbgp ) |
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449 | |
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450 | IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs |
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451 | on_device = .FALSE. ! to be removed after complete porting |
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452 | ELSE ! of ghost point exchange |
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453 | !$acc update device( e_p, pt_p, u_p, v_p, w_p ) |
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454 | ENDIF |
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455 | |
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456 | CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' ) |
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457 | |
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458 | ENDIF |
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459 | |
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460 | ! |
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461 | !-- Boundary conditions for the prognostic quantities (except of the |
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462 | !-- velocities at the outflow in case of a non-cyclic lateral wall) |
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463 | CALL boundary_conds |
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464 | |
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465 | ! |
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466 | !-- Swap the time levels in preparation for the next time step. |
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467 | CALL swap_timelevel |
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468 | |
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469 | ! |
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470 | !-- Temperature offset must be imposed at cyclic boundaries in x-direction |
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471 | !-- when a sloping surface is used |
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472 | IF ( sloping_surface ) THEN |
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473 | IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - & |
---|
474 | pt_slope_offset |
---|
475 | IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + & |
---|
476 | pt_slope_offset |
---|
477 | ENDIF |
---|
478 | |
---|
479 | ! |
---|
480 | !-- Impose a turbulent inflow using the recycling method |
---|
481 | IF ( turbulent_inflow ) CALL inflow_turbulence |
---|
482 | |
---|
483 | ! |
---|
484 | !-- Impose a random perturbation on the horizontal velocity field |
---|
485 | IF ( create_disturbances .AND. & |
---|
486 | ( call_psolver_at_all_substeps .AND. & |
---|
487 | intermediate_timestep_count == intermediate_timestep_count_max )& |
---|
488 | .OR. ( .NOT. call_psolver_at_all_substeps .AND. & |
---|
489 | intermediate_timestep_count == 1 ) ) & |
---|
490 | THEN |
---|
491 | time_disturb = time_disturb + dt_3d |
---|
492 | IF ( time_disturb >= dt_disturb ) THEN |
---|
493 | !$acc update host( u, v ) |
---|
494 | IF ( numprocs == 1 ) on_device = .FALSE. ! workaround, remove later |
---|
495 | IF ( hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN |
---|
496 | CALL disturb_field( nzb_u_inner, tend, u ) |
---|
497 | CALL disturb_field( nzb_v_inner, tend, v ) |
---|
498 | ELSEIF ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) THEN |
---|
499 | ! |
---|
500 | !-- Runs with a non-cyclic lateral wall need perturbations |
---|
501 | !-- near the inflow throughout the whole simulation |
---|
502 | dist_range = 1 |
---|
503 | CALL disturb_field( nzb_u_inner, tend, u ) |
---|
504 | CALL disturb_field( nzb_v_inner, tend, v ) |
---|
505 | dist_range = 0 |
---|
506 | ENDIF |
---|
507 | IF ( numprocs == 1 ) on_device = .TRUE. ! workaround, remove later |
---|
508 | !$acc update device( u, v ) |
---|
509 | time_disturb = time_disturb - dt_disturb |
---|
510 | ENDIF |
---|
511 | ENDIF |
---|
512 | |
---|
513 | ! |
---|
514 | !-- Reduce the velocity divergence via the equation for perturbation |
---|
515 | !-- pressure. |
---|
516 | IF ( intermediate_timestep_count == 1 .OR. & |
---|
517 | call_psolver_at_all_substeps ) THEN |
---|
518 | CALL pres |
---|
519 | ENDIF |
---|
520 | |
---|
521 | ! |
---|
522 | !-- If required, compute liquid water content |
---|
523 | IF ( cloud_physics ) THEN |
---|
524 | CALL calc_liquid_water_content |
---|
525 | !$acc update device( ql ) |
---|
526 | ENDIF |
---|
527 | ! |
---|
528 | !-- If required, compute virtual potential temperature |
---|
529 | IF ( humidity ) THEN |
---|
530 | CALL compute_vpt |
---|
531 | !$acc update device( vpt ) |
---|
532 | ENDIF |
---|
533 | ! |
---|
534 | !-- Compute the diffusion quantities |
---|
535 | IF ( .NOT. constant_diffusion ) THEN |
---|
536 | |
---|
537 | ! |
---|
538 | !-- First the vertical fluxes in the Prandtl layer are being computed |
---|
539 | IF ( prandtl_layer ) THEN |
---|
540 | CALL cpu_log( log_point(19), 'prandtl_fluxes', 'start' ) |
---|
541 | CALL prandtl_fluxes |
---|
542 | CALL cpu_log( log_point(19), 'prandtl_fluxes', 'stop' ) |
---|
543 | ENDIF |
---|
544 | ! |
---|
545 | !-- Compute the diffusion coefficients |
---|
546 | CALL cpu_log( log_point(17), 'diffusivities', 'start' ) |
---|
547 | IF ( .NOT. humidity ) THEN |
---|
548 | IF ( ocean ) THEN |
---|
549 | CALL diffusivities( prho, prho_reference ) |
---|
550 | ELSE |
---|
551 | CALL diffusivities( pt, pt_reference ) |
---|
552 | ENDIF |
---|
553 | ELSE |
---|
554 | CALL diffusivities( vpt, pt_reference ) |
---|
555 | ENDIF |
---|
556 | CALL cpu_log( log_point(17), 'diffusivities', 'stop' ) |
---|
557 | |
---|
558 | ENDIF |
---|
559 | |
---|
560 | ENDDO ! Intermediate step loop |
---|
561 | |
---|
562 | ! |
---|
563 | !-- Increase simulation time and output times |
---|
564 | nr_timesteps_this_run = nr_timesteps_this_run + 1 |
---|
565 | current_timestep_number = current_timestep_number + 1 |
---|
566 | simulated_time = simulated_time + dt_3d |
---|
567 | simulated_time_chr = time_to_string( simulated_time ) |
---|
568 | time_since_reference_point = simulated_time - coupling_start_time |
---|
569 | |
---|
570 | IF ( simulated_time >= skip_time_data_output_av ) THEN |
---|
571 | time_do_av = time_do_av + dt_3d |
---|
572 | ENDIF |
---|
573 | IF ( simulated_time >= skip_time_do2d_xy ) THEN |
---|
574 | time_do2d_xy = time_do2d_xy + dt_3d |
---|
575 | ENDIF |
---|
576 | IF ( simulated_time >= skip_time_do2d_xz ) THEN |
---|
577 | time_do2d_xz = time_do2d_xz + dt_3d |
---|
578 | ENDIF |
---|
579 | IF ( simulated_time >= skip_time_do2d_yz ) THEN |
---|
580 | time_do2d_yz = time_do2d_yz + dt_3d |
---|
581 | ENDIF |
---|
582 | IF ( simulated_time >= skip_time_do3d ) THEN |
---|
583 | time_do3d = time_do3d + dt_3d |
---|
584 | ENDIF |
---|
585 | DO mid = 1, masks |
---|
586 | IF ( simulated_time >= skip_time_domask(mid) ) THEN |
---|
587 | time_domask(mid)= time_domask(mid) + dt_3d |
---|
588 | ENDIF |
---|
589 | ENDDO |
---|
590 | time_dvrp = time_dvrp + dt_3d |
---|
591 | IF ( simulated_time >= skip_time_dosp ) THEN |
---|
592 | time_dosp = time_dosp + dt_3d |
---|
593 | ENDIF |
---|
594 | time_dots = time_dots + dt_3d |
---|
595 | IF ( .NOT. first_call_lpm ) THEN |
---|
596 | time_dopts = time_dopts + dt_3d |
---|
597 | ENDIF |
---|
598 | IF ( simulated_time >= skip_time_dopr ) THEN |
---|
599 | time_dopr = time_dopr + dt_3d |
---|
600 | ENDIF |
---|
601 | time_dopr_listing = time_dopr_listing + dt_3d |
---|
602 | time_run_control = time_run_control + dt_3d |
---|
603 | |
---|
604 | ! |
---|
605 | !-- Data exchange between coupled models |
---|
606 | IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN |
---|
607 | time_coupling = time_coupling + dt_3d |
---|
608 | |
---|
609 | ! |
---|
610 | !-- In case of model termination initiated by the local model |
---|
611 | !-- (terminate_coupled > 0), the coupler must be skipped because it would |
---|
612 | !-- cause an MPI intercomminucation hang. |
---|
613 | !-- If necessary, the coupler will be called at the beginning of the |
---|
614 | !-- next restart run. |
---|
615 | DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 ) |
---|
616 | CALL surface_coupler |
---|
617 | time_coupling = time_coupling - dt_coupling |
---|
618 | ENDDO |
---|
619 | ENDIF |
---|
620 | |
---|
621 | ! |
---|
622 | !-- Execute user-defined actions |
---|
623 | CALL user_actions( 'after_integration' ) |
---|
624 | |
---|
625 | ! |
---|
626 | !-- If Galilei transformation is used, determine the distance that the |
---|
627 | !-- model has moved so far |
---|
628 | IF ( galilei_transformation ) THEN |
---|
629 | advected_distance_x = advected_distance_x + u_gtrans * dt_3d |
---|
630 | advected_distance_y = advected_distance_y + v_gtrans * dt_3d |
---|
631 | ENDIF |
---|
632 | |
---|
633 | ! |
---|
634 | !-- Check, if restart is necessary (because cpu-time is expiring or |
---|
635 | !-- because it is forced by user) and set stop flag |
---|
636 | !-- This call is skipped if the remote model has already initiated a restart. |
---|
637 | IF ( .NOT. terminate_run ) CALL check_for_restart |
---|
638 | |
---|
639 | ! |
---|
640 | !-- Carry out statistical analysis and output at the requested output times. |
---|
641 | !-- The MOD function is used for calculating the output time counters (like |
---|
642 | !-- time_dopr) in order to regard a possible decrease of the output time |
---|
643 | !-- interval in case of restart runs |
---|
644 | |
---|
645 | ! |
---|
646 | !-- Set a flag indicating that so far no statistics have been created |
---|
647 | !-- for this time step |
---|
648 | flow_statistics_called = .FALSE. |
---|
649 | |
---|
650 | ! |
---|
651 | !-- If required, call flow_statistics for averaging in time |
---|
652 | IF ( averaging_interval_pr /= 0.0 .AND. & |
---|
653 | ( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. & |
---|
654 | simulated_time >= skip_time_dopr ) THEN |
---|
655 | time_dopr_av = time_dopr_av + dt_3d |
---|
656 | IF ( time_dopr_av >= dt_averaging_input_pr ) THEN |
---|
657 | do_sum = .TRUE. |
---|
658 | time_dopr_av = MOD( time_dopr_av, & |
---|
659 | MAX( dt_averaging_input_pr, dt_3d ) ) |
---|
660 | ENDIF |
---|
661 | ENDIF |
---|
662 | IF ( do_sum ) CALL flow_statistics |
---|
663 | |
---|
664 | ! |
---|
665 | !-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data |
---|
666 | IF ( averaging_interval /= 0.0 .AND. & |
---|
667 | ( dt_data_output_av - time_do_av ) <= averaging_interval .AND. & |
---|
668 | simulated_time >= skip_time_data_output_av ) & |
---|
669 | THEN |
---|
670 | time_do_sla = time_do_sla + dt_3d |
---|
671 | IF ( time_do_sla >= dt_averaging_input ) THEN |
---|
672 | CALL sum_up_3d_data |
---|
673 | average_count_3d = average_count_3d + 1 |
---|
674 | time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) ) |
---|
675 | ENDIF |
---|
676 | ENDIF |
---|
677 | |
---|
678 | ! |
---|
679 | !-- Calculate spectra for time averaging |
---|
680 | IF ( averaging_interval_sp /= 0.0 .AND. & |
---|
681 | ( dt_dosp - time_dosp ) <= averaging_interval_sp .AND. & |
---|
682 | simulated_time >= skip_time_dosp ) THEN |
---|
683 | time_dosp_av = time_dosp_av + dt_3d |
---|
684 | IF ( time_dosp_av >= dt_averaging_input_pr ) THEN |
---|
685 | CALL calc_spectra |
---|
686 | time_dosp_av = MOD( time_dosp_av, & |
---|
687 | MAX( dt_averaging_input_pr, dt_3d ) ) |
---|
688 | ENDIF |
---|
689 | ENDIF |
---|
690 | |
---|
691 | ! |
---|
692 | !-- Computation and output of run control parameters. |
---|
693 | !-- This is also done whenever perturbations have been imposed |
---|
694 | IF ( time_run_control >= dt_run_control .OR. & |
---|
695 | timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) & |
---|
696 | THEN |
---|
697 | CALL run_control |
---|
698 | IF ( time_run_control >= dt_run_control ) THEN |
---|
699 | time_run_control = MOD( time_run_control, & |
---|
700 | MAX( dt_run_control, dt_3d ) ) |
---|
701 | ENDIF |
---|
702 | ENDIF |
---|
703 | |
---|
704 | ! |
---|
705 | !-- Profile output (ASCII) on file |
---|
706 | IF ( time_dopr_listing >= dt_dopr_listing ) THEN |
---|
707 | CALL print_1d |
---|
708 | time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, & |
---|
709 | dt_3d ) ) |
---|
710 | ENDIF |
---|
711 | |
---|
712 | ! |
---|
713 | !-- Graphic output for PROFIL |
---|
714 | IF ( time_dopr >= dt_dopr ) THEN |
---|
715 | IF ( dopr_n /= 0 ) CALL data_output_profiles |
---|
716 | time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) ) |
---|
717 | time_dopr_av = 0.0 ! due to averaging (see above) |
---|
718 | ENDIF |
---|
719 | |
---|
720 | ! |
---|
721 | !-- Graphic output for time series |
---|
722 | IF ( time_dots >= dt_dots ) THEN |
---|
723 | CALL data_output_tseries |
---|
724 | time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) ) |
---|
725 | ENDIF |
---|
726 | |
---|
727 | ! |
---|
728 | !-- Output of spectra (formatted for use with PROFIL), in case of no |
---|
729 | !-- time averaging, spectra has to be calculated before |
---|
730 | IF ( time_dosp >= dt_dosp ) THEN |
---|
731 | IF ( average_count_sp == 0 ) CALL calc_spectra |
---|
732 | CALL data_output_spectra |
---|
733 | time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) ) |
---|
734 | ENDIF |
---|
735 | |
---|
736 | ! |
---|
737 | !-- 2d-data output (cross-sections) |
---|
738 | IF ( time_do2d_xy >= dt_do2d_xy ) THEN |
---|
739 | CALL data_output_2d( 'xy', 0 ) |
---|
740 | time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) ) |
---|
741 | ENDIF |
---|
742 | IF ( time_do2d_xz >= dt_do2d_xz ) THEN |
---|
743 | CALL data_output_2d( 'xz', 0 ) |
---|
744 | time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) ) |
---|
745 | ENDIF |
---|
746 | IF ( time_do2d_yz >= dt_do2d_yz ) THEN |
---|
747 | CALL data_output_2d( 'yz', 0 ) |
---|
748 | time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) ) |
---|
749 | ENDIF |
---|
750 | |
---|
751 | ! |
---|
752 | !-- 3d-data output (volume data) |
---|
753 | IF ( time_do3d >= dt_do3d ) THEN |
---|
754 | CALL data_output_3d( 0 ) |
---|
755 | time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) ) |
---|
756 | ENDIF |
---|
757 | |
---|
758 | ! |
---|
759 | !-- masked data output |
---|
760 | DO mid = 1, masks |
---|
761 | IF ( time_domask(mid) >= dt_domask(mid) ) THEN |
---|
762 | CALL data_output_mask( 0 ) |
---|
763 | time_domask(mid) = MOD( time_domask(mid), & |
---|
764 | MAX( dt_domask(mid), dt_3d ) ) |
---|
765 | ENDIF |
---|
766 | ENDDO |
---|
767 | |
---|
768 | ! |
---|
769 | !-- Output of time-averaged 2d/3d/masked data |
---|
770 | IF ( time_do_av >= dt_data_output_av ) THEN |
---|
771 | CALL average_3d_data |
---|
772 | CALL data_output_2d( 'xy', 1 ) |
---|
773 | CALL data_output_2d( 'xz', 1 ) |
---|
774 | CALL data_output_2d( 'yz', 1 ) |
---|
775 | CALL data_output_3d( 1 ) |
---|
776 | DO mid = 1, masks |
---|
777 | CALL data_output_mask( 1 ) |
---|
778 | ENDDO |
---|
779 | time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) ) |
---|
780 | ENDIF |
---|
781 | |
---|
782 | ! |
---|
783 | !-- Output of particle time series |
---|
784 | IF ( particle_advection ) THEN |
---|
785 | IF ( time_dopts >= dt_dopts .OR. & |
---|
786 | ( simulated_time >= particle_advection_start .AND. & |
---|
787 | first_call_lpm ) ) THEN |
---|
788 | CALL data_output_ptseries |
---|
789 | time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) ) |
---|
790 | ENDIF |
---|
791 | ENDIF |
---|
792 | |
---|
793 | ! |
---|
794 | !-- Output of dvrp-graphics (isosurface, particles, slicer) |
---|
795 | #if defined( __dvrp_graphics ) |
---|
796 | CALL DVRP_LOG_EVENT( -2, current_timestep_number-1 ) |
---|
797 | #endif |
---|
798 | IF ( time_dvrp >= dt_dvrp ) THEN |
---|
799 | CALL data_output_dvrp |
---|
800 | time_dvrp = MOD( time_dvrp, MAX( dt_dvrp, dt_3d ) ) |
---|
801 | ENDIF |
---|
802 | #if defined( __dvrp_graphics ) |
---|
803 | CALL DVRP_LOG_EVENT( 2, current_timestep_number ) |
---|
804 | #endif |
---|
805 | |
---|
806 | ! |
---|
807 | !-- If required, set the heat flux for the next time step at a random value |
---|
808 | IF ( constant_heatflux .AND. random_heatflux ) CALL disturb_heatflux |
---|
809 | |
---|
810 | ! |
---|
811 | !-- Execute user-defined actions |
---|
812 | CALL user_actions( 'after_timestep' ) |
---|
813 | |
---|
814 | CALL cpu_log( log_point_s(10), 'timesteps', 'stop' ) |
---|
815 | |
---|
816 | |
---|
817 | ENDDO ! time loop |
---|
818 | |
---|
819 | #if defined( __dvrp_graphics ) |
---|
820 | CALL DVRP_LOG_EVENT( -2, current_timestep_number ) |
---|
821 | #endif |
---|
822 | |
---|
823 | END SUBROUTINE time_integration |
---|