1 | !> @file palm.f90 |
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2 | !------------------------------------------------------------------------------! |
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3 | ! This file is part of PALM. |
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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 1997-2017 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: palm.f90 2298 2017-06-29 09:28:18Z maronga $ |
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27 | ! type of write_binary changed from CHARACTER to LOGICAL, |
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28 | ! user interface required revision updated, MPI2 related part removed |
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29 | ! |
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30 | ! 2296 2017-06-28 07:53:56Z maronga |
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31 | ! Added call to new spinup routine |
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32 | ! |
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33 | ! 2292 2017-06-20 09:51:42Z schwenkel |
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34 | ! Implementation of new microphysic scheme: cloud_scheme = 'morrison' |
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35 | ! includes two more prognostic equations for cloud drop concentration (nc) |
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36 | ! and cloud water content (qc). |
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37 | ! |
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38 | ! 2261 2017-06-08 14:25:57Z raasch |
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39 | ! output of run number for mrun to create unified cycle numbers |
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40 | ! |
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41 | ! 2233 2017-05-30 18:08:54Z suehring |
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42 | ! |
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43 | ! 2232 2017-05-30 17:47:52Z suehring |
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44 | ! Renamed wall_flags_0 and wall_flags_00 into advc_flags_1 and advc_flags_2, |
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45 | ! respectively, within copyin statement. Moreover, introduced further flag |
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46 | ! array wall_flags_0. |
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47 | ! Remove unused variables from ONLY list. |
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48 | ! |
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49 | ! 2178 2017-03-17 11:07:39Z hellstea |
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50 | ! Calls for pmci_ensure_nest_mass_conservation and pres are added after |
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51 | ! the nest initialization |
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52 | ! |
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53 | ! 2118 2017-01-17 16:38:49Z raasch |
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54 | ! OpenACC directives and related code removed |
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55 | ! |
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56 | ! 2011 2016-09-19 17:29:57Z kanani |
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57 | ! Flag urban_surface is now defined in module control_parameters. |
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58 | ! |
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59 | ! 2007 2016-08-24 15:47:17Z kanani |
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60 | ! Temporarily added CALL for writing of restart data for urban surface model |
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61 | ! |
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62 | ! 2000 2016-08-20 18:09:15Z knoop |
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63 | ! Forced header and separation lines into 80 columns |
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64 | ! |
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65 | ! 1976 2016-07-27 13:28:04Z maronga |
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66 | ! Added call to radiation_last_actions for binary output of land surface model |
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67 | ! data |
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68 | ! |
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69 | ! 1972 2016-07-26 07:52:02Z maronga |
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70 | ! Added call to lsm_last_actions for binary output of land surface model data |
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71 | ! |
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72 | ! 1960 2016-07-12 16:34:24Z suehring |
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73 | ! Separate humidity and passive scalar |
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74 | ! |
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75 | ! 1834 2016-04-07 14:34:20Z raasch |
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76 | ! Initial version of purely vertical nesting introduced. |
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77 | ! |
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78 | ! 1833 2016-04-07 14:23:03Z raasch |
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79 | ! required user interface version changed |
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80 | ! |
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81 | ! 1808 2016-04-05 19:44:00Z raasch |
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82 | ! routine local_flush replaced by FORTRAN statement |
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83 | ! |
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84 | ! 1783 2016-03-06 18:36:17Z raasch |
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85 | ! required user interface version changed |
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86 | ! |
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87 | ! 1781 2016-03-03 15:12:23Z raasch |
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88 | ! pmc initialization moved from time_integration to here |
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89 | ! |
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90 | ! 1779 2016-03-03 08:01:28Z raasch |
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91 | ! setting of nest_domain and coupling_char moved to the pmci |
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92 | ! |
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93 | ! 1764 2016-02-28 12:45:19Z raasch |
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94 | ! cpp-statements for nesting removed, communicator settings cleaned up |
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95 | ! |
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96 | ! 1762 2016-02-25 12:31:13Z hellstea |
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97 | ! Introduction of nested domain feature |
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98 | ! |
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99 | ! 1747 2016-02-08 12:25:53Z raasch |
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100 | ! OpenACC-adjustment for new surface layer parameterization |
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101 | ! |
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102 | ! 1682 2015-10-07 23:56:08Z knoop |
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103 | ! Code annotations made doxygen readable |
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104 | ! |
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105 | ! 1668 2015-09-23 13:45:36Z raasch |
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106 | ! warning replaced by abort in case of failed user interface check |
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107 | ! |
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108 | ! 1666 2015-09-23 07:31:10Z raasch |
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109 | ! check for user's interface version added |
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110 | ! |
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111 | ! 1482 2014-10-18 12:34:45Z raasch |
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112 | ! adjustments for using CUDA-aware OpenMPI |
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113 | ! |
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114 | ! 1468 2014-09-24 14:06:57Z maronga |
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115 | ! Adapted for use on up to 6-digit processor cores |
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116 | ! |
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117 | ! 1402 2014-05-09 14:25:13Z raasch |
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118 | ! location messages added |
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119 | ! |
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120 | ! 1374 2014-04-25 12:55:07Z raasch |
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121 | ! bugfix: various modules added |
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122 | ! |
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123 | ! 1320 2014-03-20 08:40:49Z raasch |
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124 | ! ONLY-attribute added to USE-statements, |
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125 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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126 | ! kinds are defined in new module kinds, |
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127 | ! old module precision_kind is removed, |
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128 | ! revision history before 2012 removed, |
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129 | ! comment fields (!:) to be used for variable explanations added to |
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130 | ! all variable declaration statements |
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131 | ! |
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132 | ! 1318 2014-03-17 13:35:16Z raasch |
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133 | ! module interfaces removed |
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134 | ! |
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135 | ! 1241 2013-10-30 11:36:58Z heinze |
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136 | ! initialization of nuding and large scale forcing from external file |
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137 | ! |
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138 | ! 1221 2013-09-10 08:59:13Z raasch |
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139 | ! +wall_flags_00, rflags_invers, rflags_s_inner in copyin statement |
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140 | ! |
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141 | ! 1212 2013-08-15 08:46:27Z raasch |
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142 | ! +tri in copyin statement |
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143 | ! |
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144 | ! 1179 2013-06-14 05:57:58Z raasch |
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145 | ! ref_state added to copyin-list |
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146 | ! |
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147 | ! 1113 2013-03-10 02:48:14Z raasch |
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148 | ! openACC statements modified |
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149 | ! |
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150 | ! 1111 2013-03-08 23:54:10Z raasch |
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151 | ! openACC statements updated |
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152 | ! |
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153 | ! 1092 2013-02-02 11:24:22Z raasch |
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154 | ! unused variables removed |
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155 | ! |
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156 | ! 1036 2012-10-22 13:43:42Z raasch |
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157 | ! code put under GPL (PALM 3.9) |
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158 | ! |
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159 | ! 1015 2012-09-27 09:23:24Z raasch |
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160 | ! Version number changed from 3.8 to 3.8a. |
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161 | ! OpenACC statements added + code changes required for GPU optimization |
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162 | ! |
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163 | ! 849 2012-03-15 10:35:09Z raasch |
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164 | ! write_particles renamed lpm_write_restart_file |
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165 | ! |
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166 | ! Revision 1.1 1997/07/24 11:23:35 raasch |
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167 | ! Initial revision |
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168 | ! |
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169 | ! |
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170 | ! Description: |
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171 | ! ------------ |
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172 | !> Large-Eddy Simulation (LES) model for the convective boundary layer, |
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173 | !> optimized for use on parallel machines (implementation realized using the |
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174 | !> Message Passing Interface (MPI)). The model can also be run on vector machines |
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175 | !> (less well optimized) and workstations. Versions for the different types of |
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176 | !> machines are controlled via cpp-directives. |
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177 | !> Model runs are only feasible using the ksh-script mrun. |
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178 | !> |
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179 | !> @todo create routine last_actions instead of calling lsm_last_actions etc. |
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180 | !> @todo eventually move CALL usm_write_restart_data to suitable location |
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181 | !------------------------------------------------------------------------------! |
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182 | PROGRAM palm |
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183 | |
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184 | |
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185 | USE arrays_3d |
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186 | |
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187 | USE control_parameters, & |
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188 | ONLY: cloud_physics, constant_diffusion, coupling_char, coupling_mode,& |
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189 | do2d_at_begin, do3d_at_begin, humidity, initializing_actions, & |
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190 | io_blocks, io_group, land_surface, large_scale_forcing, & |
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191 | message_string, microphysics_morrison, microphysics_seifert, & |
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192 | nest_domain, neutral, nudging, passive_scalar, runnr, & |
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193 | simulated_time, simulated_time_chr, spinup, urban_surface, & |
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194 | user_interface_current_revision, & |
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195 | user_interface_required_revision, version, wall_heatflux, & |
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196 | write_binary |
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197 | |
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198 | USE cpulog, & |
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199 | ONLY: cpu_log, log_point, cpu_statistics |
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200 | |
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201 | USE indices, & |
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202 | ONLY: nbgp |
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203 | |
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204 | USE kinds |
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205 | |
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206 | USE land_surface_model_mod, & |
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207 | ONLY: lsm_last_actions |
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208 | |
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209 | USE ls_forcing_mod, & |
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210 | ONLY: init_ls_forcing |
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211 | |
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212 | USE nudge_mod, & |
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213 | ONLY: init_nudge |
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214 | |
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215 | USE particle_attributes, & |
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216 | ONLY: particle_advection |
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217 | |
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218 | USE pegrid |
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219 | |
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220 | USE pmc_interface, & |
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221 | ONLY: cpl_id, nested_run, pmci_child_initialize, pmci_init, & |
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222 | pmci_modelconfiguration, pmci_parent_initialize, & |
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223 | pmci_ensure_nest_mass_conservation |
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224 | |
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225 | USE radiation_model_mod, & |
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226 | ONLY: radiation, radiation_last_actions |
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227 | |
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228 | USE urban_surface_mod, & |
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229 | ONLY: usm_write_restart_data |
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230 | |
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231 | IMPLICIT NONE |
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232 | |
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233 | ! |
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234 | !-- Local variables |
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235 | CHARACTER(LEN=9) :: time_to_string !< |
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236 | CHARACTER(LEN=10) :: env_string !< to store string of environment var |
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237 | INTEGER(iwp) :: env_stat !< to hold status of GET_ENV |
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238 | INTEGER(iwp) :: i !< |
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239 | INTEGER(iwp) :: myid_openmpi !< OpenMPI local rank for CUDA aware MPI |
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240 | |
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241 | version = 'PALM 4.0' |
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242 | user_interface_required_revision = 'r2297' |
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243 | |
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244 | #if defined( __parallel ) |
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245 | ! |
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246 | !-- MPI initialisation. comm2d is preliminary set, because |
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247 | !-- it will be defined in init_pegrid but is used before in cpu_log. |
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248 | CALL MPI_INIT( ierr ) |
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249 | |
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250 | ! |
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251 | !-- Initialize the coupling for nested-domain runs |
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252 | !-- comm_palm is the communicator which includes all PEs (MPI processes) |
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253 | !-- available for this (nested) model. If it is not a nested run, comm_palm |
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254 | !-- is returned as MPI_COMM_WORLD |
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255 | CALL pmci_init( comm_palm ) |
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256 | comm2d = comm_palm |
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257 | ! |
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258 | !-- Get the (preliminary) number of MPI processes and the local PE-id (in case |
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259 | !-- of a further communicator splitting in init_coupling, these numbers will |
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260 | !-- be changed in init_pegrid). |
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261 | IF ( nested_run ) THEN |
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262 | |
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263 | CALL MPI_COMM_SIZE( comm_palm, numprocs, ierr ) |
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264 | CALL MPI_COMM_RANK( comm_palm, myid, ierr ) |
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265 | |
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266 | ELSE |
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267 | |
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268 | CALL MPI_COMM_SIZE( MPI_COMM_WORLD, numprocs, ierr ) |
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269 | CALL MPI_COMM_RANK( MPI_COMM_WORLD, myid, ierr ) |
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270 | ! |
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271 | !-- Initialize PE topology in case of coupled atmosphere-ocean runs (comm_palm |
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272 | !-- will be splitted in init_coupling) |
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273 | CALL init_coupling |
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274 | ENDIF |
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275 | #endif |
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276 | |
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277 | ! |
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278 | !-- Initialize measuring of the CPU-time remaining to the run |
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279 | CALL local_tremain_ini |
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280 | |
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281 | ! |
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282 | !-- Start of total CPU time measuring. |
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283 | CALL cpu_log( log_point(1), 'total', 'start' ) |
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284 | CALL cpu_log( log_point(2), 'initialisation', 'start' ) |
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285 | |
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286 | ! |
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287 | !-- Open a file for debug output |
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288 | WRITE (myid_char,'(''_'',I6.6)') myid |
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289 | OPEN( 9, FILE='DEBUG'//TRIM( coupling_char )//myid_char, FORM='FORMATTED' ) |
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290 | |
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291 | ! |
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292 | !-- Initialize dvrp logging. Also, one PE maybe split from the global |
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293 | !-- communicator for doing the dvrp output. In that case, the number of |
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294 | !-- PEs available for PALM is reduced by one and communicator comm_palm |
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295 | !-- is changed respectively. |
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296 | #if defined( __parallel ) |
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297 | CALL MPI_COMM_RANK( comm_palm, myid, ierr ) |
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298 | ! |
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299 | !-- TEST OUTPUT (TO BE REMOVED) |
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300 | WRITE(9,*) '*** coupling_mode = "', TRIM( coupling_mode ), '"' |
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301 | FLUSH( 9 ) |
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302 | IF ( TRIM( coupling_mode ) /= 'uncoupled' ) THEN |
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303 | PRINT*, '*** PE', myid, ' Global target PE:', target_id, & |
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304 | TRIM( coupling_mode ) |
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305 | ENDIF |
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306 | #endif |
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307 | |
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308 | CALL init_dvrp_logging |
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309 | |
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310 | ! |
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311 | !-- Read control parameters from NAMELIST files and read environment-variables |
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312 | CALL parin |
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313 | |
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314 | ! |
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315 | !-- Check for the user's interface version |
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316 | IF ( user_interface_current_revision /= user_interface_required_revision ) & |
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317 | THEN |
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318 | message_string = 'current user-interface revision "' // & |
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319 | TRIM( user_interface_current_revision ) // '" does ' // & |
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320 | 'not match the required revision ' // & |
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321 | TRIM( user_interface_required_revision ) |
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322 | CALL message( 'palm', 'PA0169', 1, 2, 0, 6, 0 ) |
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323 | ENDIF |
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324 | |
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325 | ! |
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326 | !-- Determine processor topology and local array indices |
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327 | CALL init_pegrid |
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328 | |
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329 | ! |
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330 | !-- Generate grid parameters |
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331 | CALL init_grid |
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332 | |
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333 | ! |
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334 | !-- Initialize nudging if required |
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335 | IF ( nudging ) THEN |
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336 | CALL init_nudge |
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337 | ENDIF |
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338 | |
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339 | ! |
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340 | !-- Initialize reading of large scale forcing from external file - if required |
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341 | IF ( large_scale_forcing ) THEN |
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342 | CALL init_ls_forcing |
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343 | ENDIF |
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344 | |
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345 | ! |
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346 | !-- Check control parameters and deduce further quantities |
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347 | CALL check_parameters |
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348 | |
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349 | ! |
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350 | !-- Initialize all necessary variables |
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351 | CALL init_3d_model |
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352 | |
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353 | ! |
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354 | !-- Coupling protocol setup for nested-domain runs |
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355 | IF ( nested_run ) THEN |
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356 | CALL pmci_modelconfiguration |
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357 | ! |
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358 | !-- Receive and interpolate initial data on children. |
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359 | !-- Child initialization must be made first if the model is both child and |
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360 | !-- parent if necessary |
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361 | IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN |
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362 | CALL pmci_child_initialize |
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363 | ! |
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364 | !-- Send initial condition data from parent to children |
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365 | CALL pmci_parent_initialize |
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366 | ! |
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367 | !-- Exchange_horiz is needed after the nest initialization |
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368 | IF ( nest_domain ) THEN |
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369 | CALL exchange_horiz( u, nbgp ) |
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370 | CALL exchange_horiz( v, nbgp ) |
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371 | CALL exchange_horiz( w, nbgp ) |
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372 | IF ( .NOT. neutral ) THEN |
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373 | CALL exchange_horiz( pt, nbgp ) |
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374 | ENDIF |
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375 | IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp ) |
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376 | IF ( humidity ) THEN |
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377 | CALL exchange_horiz( q, nbgp ) |
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378 | IF ( cloud_physics .AND. microphysics_morrison ) THEN |
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379 | CALL exchange_horiz( qc, nbgp ) |
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380 | CALL exchange_horiz( nc, nbgp ) |
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381 | ENDIF |
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382 | IF ( cloud_physics .AND. microphysics_seifert ) THEN |
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383 | CALL exchange_horiz( qr, nbgp ) |
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384 | CALL exchange_horiz( nr, nbgp ) |
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385 | ENDIF |
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386 | ENDIF |
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387 | IF ( passive_scalar ) CALL exchange_horiz( s, nbgp ) |
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388 | |
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389 | CALL pmci_ensure_nest_mass_conservation |
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390 | CALL pres |
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391 | ENDIF |
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392 | ENDIF |
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393 | |
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394 | ENDIF |
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395 | |
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396 | ! |
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397 | !-- Output of program header |
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398 | IF ( myid == 0 ) CALL header |
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399 | |
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400 | CALL cpu_log( log_point(2), 'initialisation', 'stop' ) |
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401 | |
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402 | ! |
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403 | !-- Integration of the non-atmospheric equations (land surface model, urban |
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404 | !-- surface model) |
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405 | IF ( spinup ) THEN |
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406 | CALL time_integration_spinup |
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407 | ENDIF |
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408 | |
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409 | ! |
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410 | !-- Set start time in format hh:mm:ss |
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411 | simulated_time_chr = time_to_string( simulated_time ) |
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412 | |
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413 | ! |
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414 | !-- If required, output of initial arrays |
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415 | IF ( do2d_at_begin ) THEN |
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416 | CALL data_output_2d( 'xy', 0 ) |
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417 | CALL data_output_2d( 'xz', 0 ) |
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418 | CALL data_output_2d( 'yz', 0 ) |
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419 | ENDIF |
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420 | |
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421 | IF ( do3d_at_begin ) THEN |
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422 | CALL data_output_3d( 0 ) |
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423 | ENDIF |
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424 | |
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425 | ! |
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426 | !-- Integration of the model equations using timestep-scheme |
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427 | CALL time_integration |
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428 | |
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429 | ! |
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430 | !-- If required, write binary data for restart runs |
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431 | IF ( write_binary ) THEN |
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432 | |
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433 | CALL cpu_log( log_point(22), 'write_3d_binary', 'start' ) |
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434 | |
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435 | CALL location_message( 'writing restart data', .FALSE. ) |
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436 | |
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437 | CALL check_open( 14 ) |
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438 | |
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439 | DO i = 0, io_blocks-1 |
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440 | IF ( i == io_group ) THEN |
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441 | ! |
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442 | !-- Write flow field data |
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443 | CALL write_3d_binary |
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444 | ENDIF |
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445 | #if defined( __parallel ) |
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446 | CALL MPI_BARRIER( comm2d, ierr ) |
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447 | #endif |
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448 | ENDDO |
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449 | |
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450 | CALL location_message( 'finished', .TRUE. ) |
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451 | |
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452 | CALL cpu_log( log_point(22), 'write_3d_binary', 'stop' ) |
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453 | |
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454 | ! |
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455 | !-- If required, write particle data |
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456 | IF ( particle_advection ) CALL lpm_write_restart_file |
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457 | ! |
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458 | !-- If required, write urban surface data |
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459 | IF (urban_surface) CALL usm_write_restart_data |
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460 | |
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461 | ENDIF |
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462 | |
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463 | ! |
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464 | !-- If required, repeat output of header including the required CPU-time |
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465 | IF ( myid == 0 ) CALL header |
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466 | ! |
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467 | !-- If required, final land surface and user-defined actions, and |
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468 | !-- last actions on the open files and close files. Unit 14 was opened |
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469 | !-- in write_3d_binary but it is closed here, to allow writing on this |
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470 | !-- unit in routine user_last_actions. |
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471 | CALL cpu_log( log_point(4), 'last actions', 'start' ) |
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472 | DO i = 0, io_blocks-1 |
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473 | IF ( i == io_group ) THEN |
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474 | IF ( land_surface ) THEN |
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475 | CALL lsm_last_actions |
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476 | ENDIF |
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477 | IF ( radiation ) THEN |
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478 | CALL radiation_last_actions |
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479 | ENDIF |
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480 | CALL user_last_actions |
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481 | IF ( write_binary ) CALL close_file( 14 ) |
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482 | ENDIF |
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483 | #if defined( __parallel ) |
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484 | CALL MPI_BARRIER( comm2d, ierr ) |
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485 | #endif |
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486 | ENDDO |
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487 | CALL close_file( 0 ) |
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488 | CALL close_dvrp |
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489 | CALL cpu_log( log_point(4), 'last actions', 'stop' ) |
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490 | |
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491 | ! |
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492 | !-- Write run number to file (used by mrun to create unified cycle numbers for |
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493 | !-- output files |
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494 | IF ( myid == 0 .AND. runnr > 0 ) THEN |
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495 | OPEN( 90, FILE='RUN_NUMBER', FORM='FORMATTED' ) |
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496 | WRITE( 90, '(I4)' ) runnr |
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497 | CLOSE( 90 ) |
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498 | ENDIF |
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499 | |
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500 | ! |
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501 | !-- Take final CPU-time for CPU-time analysis |
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502 | CALL cpu_log( log_point(1), 'total', 'stop' ) |
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503 | CALL cpu_statistics |
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504 | |
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505 | #if defined( __parallel ) |
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506 | CALL MPI_FINALIZE( ierr ) |
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507 | #endif |
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508 | |
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509 | END PROGRAM palm |
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