1 | !> @file exchange_horiz_2d.f90 |
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2 | !------------------------------------------------------------------------------! |
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3 | ! This file is part of the PALM model system. |
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4 | ! |
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5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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6 | ! terms of the GNU General Public License as published by the Free Software |
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7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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8 | ! version. |
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9 | ! |
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10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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13 | ! |
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14 | ! You should have received a copy of the GNU General Public License along with |
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15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
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18 | !------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! Current revisions: |
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21 | ! ----------------- |
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22 | ! |
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23 | ! |
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24 | ! Former revisions: |
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25 | ! ----------------- |
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26 | ! $Id: exchange_horiz_2d.f90 3768 2019-02-27 14:35:58Z suehring $ |
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27 | ! further variables moved to serial branch to avoid compiler warnings about unused variables |
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28 | ! |
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29 | ! 3761 2019-02-25 15:31:42Z raasch |
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30 | ! variables moved to serial branch to avoid compiler warnings about unused variables |
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31 | ! |
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32 | ! 3655 2019-01-07 16:51:22Z knoop |
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33 | ! - New routine for exchange of 8-bit integer arrays |
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34 | ! - Set Neumann conditions also at radiation boundary |
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35 | ! |
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36 | ! 3542 2018-11-20 17:04:13Z suehring |
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37 | ! Rename variables in offline nesting mode and flags indicating lateral |
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38 | ! boundary conditions |
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39 | ! |
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40 | ! 3182 2018-07-27 13:36:03Z suehring |
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41 | ! Corrected "Former revisions" section |
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42 | ! |
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43 | ! 2696 2017-12-14 17:12:51Z kanani |
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44 | ! Change in file header (GPL part) |
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45 | ! Forcing implemented (MS) |
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46 | ! |
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47 | ! 2101 2017-01-05 16:42:31Z suehring |
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48 | ! |
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49 | ! 2000 2016-08-20 18:09:15Z knoop |
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50 | ! Forced header and separation lines into 80 columns |
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51 | ! |
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52 | ! 1968 2016-07-18 12:01:49Z suehring |
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53 | ! 2D-INTEGER exchange adopted for different multigrid level |
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54 | ! |
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55 | ! 1818 2016-04-06 15:53:27Z maronga |
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56 | ! Initial version of purely vertical nesting introduced. |
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57 | ! |
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58 | ! 1804 2016-04-05 16:30:18Z maronga |
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59 | ! Removed code for parameter file check (__check) |
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60 | ! |
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61 | ! 1762 2016-02-25 12:31:13Z hellstea |
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62 | ! Introduction of nested domain feature |
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63 | ! |
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64 | ! 1682 2015-10-07 23:56:08Z knoop |
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65 | ! Code annotations made doxygen readable |
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66 | ! |
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67 | ! 1348 2014-03-27 18:01:03Z raasch |
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68 | ! bugfix: bc_lr_cyc and bc_ns_cyc added to ONLY-list |
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69 | ! |
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70 | ! 1320 2014-03-20 08:40:49Z raasch |
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71 | ! ONLY-attribute added to USE-statements, |
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72 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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73 | ! kinds are defined in new module kinds, |
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74 | ! revision history before 2012 removed, |
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75 | ! comment fields (!:) to be used for variable explanations added to |
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76 | ! all variable declaration statements |
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77 | ! |
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78 | ! 1092 2013-02-02 11:24:22Z raasch |
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79 | ! unused variables removed |
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80 | ! |
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81 | ! 1036 2012-10-22 13:43:42Z raasch |
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82 | ! code put under GPL (PALM 3.9) |
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83 | ! |
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84 | ! 841 2012-02-28 12:29:49Z maronga |
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85 | ! Excluded routine from compilation of namelist_file_check |
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86 | ! |
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87 | ! Revision 1.1 1998/01/23 09:58:21 raasch |
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88 | ! Initial revision |
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89 | ! |
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90 | ! |
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91 | ! Description: |
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92 | ! ------------ |
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93 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
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94 | !> boundary conditions, respectively, for 2D-arrays. |
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95 | !------------------------------------------------------------------------------! |
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96 | SUBROUTINE exchange_horiz_2d( ar ) |
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97 | |
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98 | |
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99 | USE control_parameters, & |
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100 | ONLY : bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, & |
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101 | bc_dirichlet_s, bc_radiation_l, & |
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102 | bc_radiation_n, bc_radiation_r, bc_radiation_s |
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103 | |
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104 | USE cpulog, & |
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105 | ONLY : cpu_log, log_point_s |
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106 | |
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107 | USE indices, & |
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108 | ONLY : nbgp, nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg |
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109 | |
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110 | USE kinds |
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111 | |
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112 | USE pegrid |
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113 | |
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114 | USE pmc_interface, & |
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115 | ONLY : nesting_mode |
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116 | |
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117 | #if ! defined( __parallel ) |
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118 | USE control_parameters, & |
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119 | ONLY: bc_lr_cyc, bc_ns_cyc |
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120 | #endif |
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121 | |
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122 | |
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123 | IMPLICIT NONE |
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124 | |
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125 | |
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126 | INTEGER(iwp) :: i !< |
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127 | |
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128 | REAL(wp) :: ar(nysg:nyng,nxlg:nxrg) !< |
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129 | |
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130 | |
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131 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
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132 | |
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133 | #if defined( __parallel ) |
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134 | |
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135 | ! |
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136 | !-- Exchange of lateral boundary values for parallel computers |
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137 | IF ( pdims(1) == 1 ) THEN |
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138 | |
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139 | ! |
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140 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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141 | !-- within the PE memory |
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142 | ar(:,nxlg:nxl-1) = ar(:,nxr-nbgp+1:nxr) |
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143 | ar(:,nxr+1:nxrg) = ar(:,nxl:nxl+nbgp-1) |
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144 | |
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145 | ELSE |
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146 | ! |
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147 | !-- Send left boundary, receive right one |
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148 | |
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149 | CALL MPI_SENDRECV( ar(nysg,nxl), 1, type_y, pleft, 0, & |
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150 | ar(nysg,nxr+1), 1, type_y, pright, 0, & |
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151 | comm2d, status, ierr ) |
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152 | ! |
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153 | !-- Send right boundary, receive left one |
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154 | CALL MPI_SENDRECV( ar(nysg,nxr+1-nbgp), 1, type_y, pright, 1, & |
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155 | ar(nysg,nxlg), 1, type_y, pleft, 1, & |
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156 | comm2d, status, ierr ) |
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157 | |
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158 | |
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159 | ENDIF |
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160 | |
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161 | IF ( pdims(2) == 1 ) THEN |
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162 | ! |
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163 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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164 | !-- within the PE memory |
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165 | ar(nysg:nys-1,:) = ar(nyn-nbgp+1:nyn,:) |
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166 | ar(nyn+1:nyng,:) = ar(nys:nys+nbgp-1,:) |
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167 | |
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168 | ELSE |
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169 | ! |
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170 | !-- Send front boundary, receive rear one |
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171 | |
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172 | CALL MPI_SENDRECV( ar(nys,nxlg), 1, type_x, psouth, 0, & |
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173 | ar(nyn+1,nxlg), 1, type_x, pnorth, 0, & |
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174 | comm2d, status, ierr ) |
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175 | ! |
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176 | !-- Send rear boundary, receive front one |
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177 | CALL MPI_SENDRECV( ar(nyn+1-nbgp,nxlg), 1, type_x, pnorth, 1, & |
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178 | ar(nysg,nxlg), 1, type_x, psouth, 1, & |
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179 | comm2d, status, ierr ) |
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180 | |
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181 | ENDIF |
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182 | |
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183 | #else |
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184 | |
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185 | ! |
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186 | !-- Lateral boundary conditions in the non-parallel case |
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187 | IF ( bc_lr_cyc ) THEN |
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188 | ar(:,nxlg:nxl-1) = ar(:,nxr-nbgp+1:nxr) |
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189 | ar(:,nxr+1:nxrg) = ar(:,nxl:nxl+nbgp-1) |
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190 | ENDIF |
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191 | |
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192 | IF ( bc_ns_cyc ) THEN |
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193 | ar(nysg:nys-1,:) = ar(nyn-nbgp+1:nyn,:) |
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194 | ar(nyn+1:nyng,:) = ar(nys:nys+nbgp-1,:) |
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195 | ENDIF |
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196 | |
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197 | |
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198 | #endif |
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199 | |
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200 | ! |
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201 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
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202 | IF ( nesting_mode /= 'vertical' ) THEN |
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203 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
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204 | DO i = nbgp, 1, -1 |
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205 | ar(:,nxl-i) = ar(:,nxl) |
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206 | ENDDO |
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207 | ENDIF |
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208 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
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209 | DO i = 1, nbgp |
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210 | ar(:,nxr+i) = ar(:,nxr) |
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211 | ENDDO |
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212 | ENDIF |
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213 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
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214 | DO i = nbgp, 1, -1 |
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215 | ar(nys-i,:) = ar(nys,:) |
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216 | ENDDO |
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217 | ENDIF |
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218 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
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219 | DO i = 1, nbgp |
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220 | ar(nyn+i,:) = ar(nyn,:) |
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221 | ENDDO |
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222 | ENDIF |
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223 | ENDIF |
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224 | |
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225 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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226 | |
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227 | END SUBROUTINE exchange_horiz_2d |
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228 | |
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229 | |
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230 | !------------------------------------------------------------------------------! |
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231 | ! Description: |
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232 | ! ------------ |
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233 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
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234 | !> boundary conditions, respectively, for 2D 8-bit integer arrays. |
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235 | !------------------------------------------------------------------------------! |
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236 | SUBROUTINE exchange_horiz_2d_byte( ar, nys_l, nyn_l, nxl_l, nxr_l, nbgp_local ) |
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237 | |
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238 | |
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239 | USE control_parameters, & |
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240 | ONLY: bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, bc_dirichlet_s, & |
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241 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s, & |
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242 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s |
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243 | |
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244 | USE cpulog, & |
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245 | ONLY: cpu_log, log_point_s |
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246 | |
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247 | USE kinds |
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248 | |
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249 | USE pegrid |
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250 | |
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251 | #if ! defined( __parallel ) |
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252 | USE control_parameters, & |
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253 | ONLY: bc_lr_cyc, bc_ns_cyc |
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254 | #endif |
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255 | |
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256 | IMPLICIT NONE |
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257 | |
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258 | INTEGER(iwp) :: i !< dummy index to zero-gradient conditions at in/outflow boundaries |
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259 | INTEGER(iwp) :: nxl_l !< local index bound at current grid level, left side |
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260 | INTEGER(iwp) :: nxr_l !< local index bound at current grid level, right side |
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261 | INTEGER(iwp) :: nyn_l !< local index bound at current grid level, north side |
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262 | INTEGER(iwp) :: nys_l !< local index bound at current grid level, south side |
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263 | INTEGER(iwp) :: nbgp_local !< number of ghost layers to be exchanged |
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264 | |
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265 | INTEGER(KIND=1), DIMENSION(nys_l-nbgp_local:nyn_l+nbgp_local, & |
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266 | nxl_l-nbgp_local:nxr_l+nbgp_local) :: ar !< treated array |
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267 | |
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268 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
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269 | |
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270 | #if defined( __parallel ) |
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271 | |
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272 | ! |
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273 | !-- Exchange of lateral boundary values for parallel computers |
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274 | IF ( pdims(1) == 1 ) THEN |
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275 | |
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276 | ! |
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277 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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278 | !-- within the PE memory |
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279 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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280 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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281 | |
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282 | ELSE |
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283 | ! |
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284 | !-- Send left boundary, receive right one |
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285 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxl_l), 1, & |
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286 | type_y_byte, pleft, 0, & |
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287 | ar(nys_l-nbgp_local,nxr_l+1), 1, & |
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288 | type_y_byte, pright, 0, & |
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289 | comm2d, status, ierr ) |
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290 | ! |
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291 | !-- Send right boundary, receive left one |
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292 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxr_l+1-nbgp_local), 1, & |
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293 | type_y_byte, pright, 1, & |
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294 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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295 | type_y_byte, pleft, 1, & |
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296 | comm2d, status, ierr ) |
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297 | |
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298 | ENDIF |
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299 | |
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300 | IF ( pdims(2) == 1 ) THEN |
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301 | ! |
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302 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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303 | !-- within the PE memory |
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304 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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305 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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306 | |
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307 | |
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308 | ELSE |
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309 | ! |
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310 | !-- Send front boundary, receive rear one |
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311 | CALL MPI_SENDRECV( ar(nys_l,nxl_l-nbgp_local), 1, & |
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312 | type_x_byte, psouth, 0, & |
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313 | ar(nyn_l+1,nxl_l-nbgp_local), 1, & |
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314 | type_x_byte, pnorth, 0, & |
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315 | comm2d, status, ierr ) |
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316 | |
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317 | ! |
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318 | !-- Send rear boundary, receive front one |
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319 | CALL MPI_SENDRECV( ar(nyn_l+1-nbgp_local,nxl_l-nbgp_local), 1, & |
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320 | type_x_byte, pnorth, 1, & |
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321 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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322 | type_x_byte, psouth, 1, & |
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323 | comm2d, status, ierr ) |
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324 | |
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325 | ENDIF |
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326 | |
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327 | #else |
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328 | |
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329 | ! |
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330 | !-- Lateral boundary conditions in the non-parallel case |
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331 | IF ( bc_lr_cyc ) THEN |
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332 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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333 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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334 | ENDIF |
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335 | |
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336 | IF ( bc_ns_cyc ) THEN |
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337 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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338 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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339 | ENDIF |
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340 | |
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341 | #endif |
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342 | ! |
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343 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
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344 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
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345 | DO i = nbgp_local, 1, -1 |
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346 | ar(:,nxl_l-i) = ar(:,nxl_l) |
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347 | ENDDO |
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348 | ENDIF |
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349 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
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350 | DO i = 1, nbgp_local |
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351 | ar(:,nxr_l+i) = ar(:,nxr_l) |
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352 | ENDDO |
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353 | ENDIF |
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354 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
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355 | DO i = nbgp_local, 1, -1 |
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356 | ar(nys_l-i,:) = ar(nys_l,:) |
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357 | ENDDO |
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358 | ENDIF |
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359 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
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360 | DO i = 1, nbgp_local |
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361 | ar(nyn_l+i,:) = ar(nyn_l,:) |
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362 | ENDDO |
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363 | ENDIF |
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364 | |
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365 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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366 | |
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367 | END SUBROUTINE exchange_horiz_2d_byte |
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368 | |
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369 | |
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370 | !------------------------------------------------------------------------------! |
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371 | ! Description: |
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372 | ! ------------ |
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373 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
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374 | !> boundary conditions, respectively, for 2D 32-bit integer arrays. |
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375 | !------------------------------------------------------------------------------! |
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376 | SUBROUTINE exchange_horiz_2d_int( ar, nys_l, nyn_l, nxl_l, nxr_l, nbgp_local ) |
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377 | |
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378 | |
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379 | USE control_parameters, & |
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380 | ONLY: bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, bc_dirichlet_s, & |
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381 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s, & |
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382 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s, & |
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383 | grid_level |
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384 | |
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385 | USE cpulog, & |
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386 | ONLY: cpu_log, log_point_s |
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387 | |
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388 | USE kinds |
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389 | |
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390 | USE pegrid |
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391 | |
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392 | #if ! defined( __parallel ) |
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393 | USE control_parameters, & |
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394 | ONLY: bc_lr_cyc, bc_ns_cyc |
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395 | #endif |
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396 | |
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397 | IMPLICIT NONE |
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398 | |
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399 | INTEGER(iwp) :: i !< dummy index to zero-gradient conditions at in/outflow boundaries |
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400 | INTEGER(iwp) :: nxl_l !< local index bound at current grid level, left side |
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401 | INTEGER(iwp) :: nxr_l !< local index bound at current grid level, right side |
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402 | INTEGER(iwp) :: nyn_l !< local index bound at current grid level, north side |
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403 | INTEGER(iwp) :: nys_l !< local index bound at current grid level, south side |
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404 | INTEGER(iwp) :: nbgp_local !< number of ghost layers to be exchanged |
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405 | |
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406 | INTEGER(iwp), DIMENSION(nys_l-nbgp_local:nyn_l+nbgp_local, & |
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407 | nxl_l-nbgp_local:nxr_l+nbgp_local) :: ar !< treated array |
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408 | |
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409 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
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410 | |
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411 | #if defined( __parallel ) |
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412 | |
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413 | ! |
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414 | !-- Exchange of lateral boundary values for parallel computers |
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415 | IF ( pdims(1) == 1 ) THEN |
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416 | |
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417 | ! |
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418 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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419 | !-- within the PE memory |
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420 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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421 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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422 | |
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423 | ELSE |
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424 | ! |
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425 | !-- Send left boundary, receive right one |
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426 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxl_l), 1, & |
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427 | type_y_int(grid_level), pleft, 0, & |
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428 | ar(nys_l-nbgp_local,nxr_l+1), 1, & |
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429 | type_y_int(grid_level), pright, 0, & |
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430 | comm2d, status, ierr ) |
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431 | ! |
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432 | !-- Send right boundary, receive left one |
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433 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxr_l+1-nbgp_local), 1, & |
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434 | type_y_int(grid_level), pright, 1, & |
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435 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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436 | type_y_int(grid_level), pleft, 1, & |
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437 | comm2d, status, ierr ) |
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438 | |
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439 | ENDIF |
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440 | |
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441 | IF ( pdims(2) == 1 ) THEN |
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442 | ! |
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443 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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444 | !-- within the PE memory |
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445 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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446 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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447 | |
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448 | |
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449 | ELSE |
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450 | ! |
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451 | !-- Send front boundary, receive rear one |
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452 | CALL MPI_SENDRECV( ar(nys_l,nxl_l-nbgp_local), 1, & |
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453 | type_x_int(grid_level), psouth, 0, & |
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454 | ar(nyn_l+1,nxl_l-nbgp_local), 1, & |
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455 | type_x_int(grid_level), pnorth, 0, & |
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456 | comm2d, status, ierr ) |
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457 | |
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458 | ! |
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459 | !-- Send rear boundary, receive front one |
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460 | CALL MPI_SENDRECV( ar(nyn_l+1-nbgp_local,nxl_l-nbgp_local), 1, & |
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461 | type_x_int(grid_level), pnorth, 1, & |
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462 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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463 | type_x_int(grid_level), psouth, 1, & |
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464 | comm2d, status, ierr ) |
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465 | |
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466 | ENDIF |
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467 | |
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468 | #else |
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469 | |
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470 | ! |
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471 | !-- Lateral boundary conditions in the non-parallel case |
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472 | IF ( bc_lr_cyc ) THEN |
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473 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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474 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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475 | ENDIF |
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476 | |
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477 | IF ( bc_ns_cyc ) THEN |
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478 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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479 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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480 | ENDIF |
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481 | |
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482 | #endif |
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483 | ! |
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484 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
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485 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
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486 | DO i = nbgp_local, 1, -1 |
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487 | ar(:,nxl_l-i) = ar(:,nxl_l) |
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488 | ENDDO |
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489 | ENDIF |
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490 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
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491 | DO i = 1, nbgp_local |
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492 | ar(:,nxr_l+i) = ar(:,nxr_l) |
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493 | ENDDO |
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494 | ENDIF |
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495 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
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496 | DO i = nbgp_local, 1, -1 |
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497 | ar(nys_l-i,:) = ar(nys_l,:) |
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498 | ENDDO |
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499 | ENDIF |
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500 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
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501 | DO i = 1, nbgp_local |
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502 | ar(nyn_l+i,:) = ar(nyn_l,:) |
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503 | ENDDO |
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504 | ENDIF |
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505 | |
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506 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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507 | |
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508 | END SUBROUTINE exchange_horiz_2d_int |
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