[1682] | 1 | !> @file exchange_horiz_2d.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[2696] | 3 | ! This file is part of the PALM model system. |
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[1036] | 4 | ! |
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[2000] | 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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[1036] | 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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[2718] | 17 | ! Copyright 1997-2018 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[484] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[3182] | 22 | ! Rename variables in offline nesting mode and flags indicating lateral |
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| 23 | ! boundary conditions |
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[1683] | 24 | ! |
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[1321] | 25 | ! Former revisions: |
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| 26 | ! ----------------- |
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| 27 | ! $Id: exchange_horiz_2d.f90 3182 2018-07-27 13:36:03Z suehring $ |
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[2716] | 28 | ! Corrected "Former revisions" section |
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| 29 | ! |
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| 30 | ! 2696 2017-12-14 17:12:51Z kanani |
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| 31 | ! Change in file header (GPL part) |
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[2696] | 32 | ! Forcing implemented (MS) |
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| 33 | ! |
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| 34 | ! 2101 2017-01-05 16:42:31Z suehring |
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[1321] | 35 | ! |
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[2001] | 36 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 37 | ! Forced header and separation lines into 80 columns |
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| 38 | ! |
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[1969] | 39 | ! 1968 2016-07-18 12:01:49Z suehring |
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| 40 | ! 2D-INTEGER exchange adopted for different multigrid level |
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| 41 | ! |
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[1933] | 42 | ! 1818 2016-04-06 15:53:27Z maronga |
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| 43 | ! Initial version of purely vertical nesting introduced. |
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| 44 | ! |
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[1805] | 45 | ! 1804 2016-04-05 16:30:18Z maronga |
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| 46 | ! Removed code for parameter file check (__check) |
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| 47 | ! |
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[1763] | 48 | ! 1762 2016-02-25 12:31:13Z hellstea |
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| 49 | ! Introduction of nested domain feature |
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| 50 | ! |
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[1683] | 51 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 52 | ! Code annotations made doxygen readable |
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| 53 | ! |
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[1349] | 54 | ! 1348 2014-03-27 18:01:03Z raasch |
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| 55 | ! bugfix: bc_lr_cyc and bc_ns_cyc added to ONLY-list |
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| 56 | ! |
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[1321] | 57 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 58 | ! ONLY-attribute added to USE-statements, |
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| 59 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 60 | ! kinds are defined in new module kinds, |
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| 61 | ! revision history before 2012 removed, |
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| 62 | ! comment fields (!:) to be used for variable explanations added to |
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| 63 | ! all variable declaration statements |
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[1] | 64 | ! |
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[1093] | 65 | ! 1092 2013-02-02 11:24:22Z raasch |
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| 66 | ! unused variables removed |
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| 67 | ! |
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[1037] | 68 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 69 | ! code put under GPL (PALM 3.9) |
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| 70 | ! |
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[842] | 71 | ! 841 2012-02-28 12:29:49Z maronga |
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| 72 | ! Excluded routine from compilation of namelist_file_check |
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| 73 | ! |
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[1] | 74 | ! Revision 1.1 1998/01/23 09:58:21 raasch |
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| 75 | ! Initial revision |
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| 76 | ! |
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| 77 | ! |
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| 78 | ! Description: |
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| 79 | ! ------------ |
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[1682] | 80 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
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| 81 | !> boundary conditions, respectively, for 2D-arrays. |
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[1] | 82 | !------------------------------------------------------------------------------! |
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[1682] | 83 | SUBROUTINE exchange_horiz_2d( ar ) |
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| 84 | |
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[1] | 85 | |
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[1320] | 86 | USE control_parameters, & |
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[3182] | 87 | ONLY : bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, & |
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| 88 | bc_dirichlet_s, bc_lr_cyc, bc_ns_cyc, bc_radiation_l, & |
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| 89 | bc_radiation_n, bc_radiation_r, bc_radiation_s |
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[1320] | 90 | |
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| 91 | USE cpulog, & |
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| 92 | ONLY : cpu_log, log_point_s |
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| 93 | |
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| 94 | USE indices, & |
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| 95 | ONLY : nbgp, nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg |
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| 96 | |
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| 97 | USE kinds |
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| 98 | |
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[1] | 99 | USE pegrid |
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| 100 | |
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[1933] | 101 | USE pmc_interface, & |
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| 102 | ONLY : nesting_mode |
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| 103 | |
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| 104 | |
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[1] | 105 | IMPLICIT NONE |
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| 106 | |
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[841] | 107 | |
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[1682] | 108 | INTEGER(iwp) :: i !< |
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[1320] | 109 | |
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[1682] | 110 | REAL(wp) :: ar(nysg:nyng,nxlg:nxrg) !< |
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[1320] | 111 | |
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[1] | 112 | |
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| 113 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
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| 114 | |
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| 115 | #if defined( __parallel ) |
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| 116 | |
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| 117 | ! |
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| 118 | !-- Exchange of lateral boundary values for parallel computers |
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| 119 | IF ( pdims(1) == 1 ) THEN |
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| 120 | |
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| 121 | ! |
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| 122 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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| 123 | !-- within the PE memory |
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[702] | 124 | ar(:,nxlg:nxl-1) = ar(:,nxr-nbgp+1:nxr) |
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| 125 | ar(:,nxr+1:nxrg) = ar(:,nxl:nxl+nbgp-1) |
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[1] | 126 | |
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| 127 | ELSE |
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| 128 | ! |
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| 129 | !-- Send left boundary, receive right one |
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[667] | 130 | |
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[702] | 131 | CALL MPI_SENDRECV( ar(nysg,nxl), 1, type_y, pleft, 0, & |
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| 132 | ar(nysg,nxr+1), 1, type_y, pright, 0, & |
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[1] | 133 | comm2d, status, ierr ) |
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| 134 | ! |
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| 135 | !-- Send right boundary, receive left one |
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[702] | 136 | CALL MPI_SENDRECV( ar(nysg,nxr+1-nbgp), 1, type_y, pright, 1, & |
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| 137 | ar(nysg,nxlg), 1, type_y, pleft, 1, & |
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[1] | 138 | comm2d, status, ierr ) |
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[702] | 139 | |
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| 140 | |
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[1] | 141 | ENDIF |
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| 142 | |
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| 143 | IF ( pdims(2) == 1 ) THEN |
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| 144 | ! |
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| 145 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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| 146 | !-- within the PE memory |
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[702] | 147 | ar(nysg:nys-1,:) = ar(nyn-nbgp+1:nyn,:) |
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| 148 | ar(nyn+1:nyng,:) = ar(nys:nys+nbgp-1,:) |
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[1] | 149 | |
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| 150 | ELSE |
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| 151 | ! |
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| 152 | !-- Send front boundary, receive rear one |
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[667] | 153 | |
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[702] | 154 | CALL MPI_SENDRECV( ar(nys,nxlg), 1, type_x, psouth, 0, & |
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| 155 | ar(nyn+1,nxlg), 1, type_x, pnorth, 0, & |
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[1] | 156 | comm2d, status, ierr ) |
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| 157 | ! |
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| 158 | !-- Send rear boundary, receive front one |
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[702] | 159 | CALL MPI_SENDRECV( ar(nyn+1-nbgp,nxlg), 1, type_x, pnorth, 1, & |
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| 160 | ar(nysg,nxlg), 1, type_x, psouth, 1, & |
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[1] | 161 | comm2d, status, ierr ) |
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[667] | 162 | |
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[1] | 163 | ENDIF |
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| 164 | |
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| 165 | #else |
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| 166 | |
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| 167 | ! |
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| 168 | !-- Lateral boundary conditions in the non-parallel case |
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[707] | 169 | IF ( bc_lr_cyc ) THEN |
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[702] | 170 | ar(:,nxlg:nxl-1) = ar(:,nxr-nbgp+1:nxr) |
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| 171 | ar(:,nxr+1:nxrg) = ar(:,nxl:nxl+nbgp-1) |
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[1] | 172 | ENDIF |
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| 173 | |
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[707] | 174 | IF ( bc_ns_cyc ) THEN |
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[702] | 175 | ar(nysg:nys-1,:) = ar(nyn-nbgp+1:nyn,:) |
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| 176 | ar(nyn+1:nyng,:) = ar(nys:nys+nbgp-1,:) |
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[1] | 177 | ENDIF |
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| 178 | |
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[667] | 179 | |
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[1] | 180 | #endif |
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| 181 | |
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[73] | 182 | ! |
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[1762] | 183 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
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[1933] | 184 | IF ( nesting_mode /= 'vertical' ) THEN |
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[3182] | 185 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
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[1933] | 186 | DO i = nbgp, 1, -1 |
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| 187 | ar(:,nxl-i) = ar(:,nxl) |
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| 188 | ENDDO |
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| 189 | ENDIF |
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[3182] | 190 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
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[1933] | 191 | DO i = 1, nbgp |
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| 192 | ar(:,nxr+i) = ar(:,nxr) |
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| 193 | ENDDO |
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| 194 | ENDIF |
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[3182] | 195 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
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[1933] | 196 | DO i = nbgp, 1, -1 |
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| 197 | ar(nys-i,:) = ar(nys,:) |
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| 198 | ENDDO |
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| 199 | ENDIF |
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[3182] | 200 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
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[1933] | 201 | DO i = 1, nbgp |
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| 202 | ar(nyn+i,:) = ar(nyn,:) |
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| 203 | ENDDO |
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| 204 | ENDIF |
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[1762] | 205 | ENDIF |
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| 206 | |
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[1] | 207 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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| 208 | |
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| 209 | END SUBROUTINE exchange_horiz_2d |
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| 210 | |
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| 211 | |
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| 212 | |
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| 213 | !------------------------------------------------------------------------------! |
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| 214 | ! Description: |
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| 215 | ! ------------ |
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[1682] | 216 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
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| 217 | !> boundary conditions, respectively, for 2D integer arrays. |
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[1] | 218 | !------------------------------------------------------------------------------! |
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[1682] | 219 | |
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[1968] | 220 | SUBROUTINE exchange_horiz_2d_int( ar, nys_l, nyn_l, nxl_l, nxr_l, nbgp_local ) |
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[1] | 221 | |
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[1682] | 222 | |
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[1320] | 223 | USE control_parameters, & |
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[3182] | 224 | ONLY: bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, & |
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| 225 | bc_dirichlet_s, bc_lr_cyc, bc_ns_cyc, bc_radiation_l, & |
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| 226 | bc_radiation_n, bc_radiation_r, bc_radiation_s, grid_level |
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[1320] | 227 | |
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| 228 | USE cpulog, & |
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| 229 | ONLY: cpu_log, log_point_s |
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[1968] | 230 | |
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[1320] | 231 | USE kinds |
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| 232 | |
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[1] | 233 | USE pegrid |
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| 234 | |
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| 235 | IMPLICIT NONE |
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| 236 | |
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[1968] | 237 | INTEGER(iwp) :: i !< dummy index to zero-gradient conditions at in/outflow boundaries |
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| 238 | INTEGER(iwp) :: nxl_l !< local index bound at current grid level, left side |
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| 239 | INTEGER(iwp) :: nxr_l !< local index bound at current grid level, right side |
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| 240 | INTEGER(iwp) :: nyn_l !< local index bound at current grid level, north side |
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| 241 | INTEGER(iwp) :: nys_l !< local index bound at current grid level, south side |
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| 242 | INTEGER(iwp) :: nbgp_local !< number of ghost layers to be exchanged |
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[1] | 243 | |
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[1968] | 244 | INTEGER(iwp), DIMENSION(nys_l-nbgp_local:nyn_l+nbgp_local, & |
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| 245 | nxl_l-nbgp_local:nxr_l+nbgp_local) :: ar !< treated array |
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| 246 | |
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[1] | 247 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
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| 248 | |
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| 249 | #if defined( __parallel ) |
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| 250 | |
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| 251 | ! |
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| 252 | !-- Exchange of lateral boundary values for parallel computers |
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| 253 | IF ( pdims(1) == 1 ) THEN |
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| 254 | |
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| 255 | ! |
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| 256 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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| 257 | !-- within the PE memory |
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[1968] | 258 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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| 259 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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[1] | 260 | |
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| 261 | ELSE |
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| 262 | ! |
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| 263 | !-- Send left boundary, receive right one |
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[1968] | 264 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxl_l), 1, & |
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| 265 | type_y_int(grid_level), pleft, 0, & |
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| 266 | ar(nys_l-nbgp_local,nxr_l+1), 1, & |
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| 267 | type_y_int(grid_level), pright, 0, & |
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[1] | 268 | comm2d, status, ierr ) |
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| 269 | ! |
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| 270 | !-- Send right boundary, receive left one |
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[1968] | 271 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxr_l+1-nbgp_local), 1, & |
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| 272 | type_y_int(grid_level), pright, 1, & |
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| 273 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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| 274 | type_y_int(grid_level), pleft, 1, & |
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| 275 | comm2d, status, ierr ) |
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[667] | 276 | |
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[1] | 277 | ENDIF |
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| 278 | |
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| 279 | IF ( pdims(2) == 1 ) THEN |
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| 280 | ! |
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| 281 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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| 282 | !-- within the PE memory |
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[1968] | 283 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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| 284 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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[1] | 285 | |
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[667] | 286 | |
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[1] | 287 | ELSE |
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| 288 | ! |
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| 289 | !-- Send front boundary, receive rear one |
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[1968] | 290 | CALL MPI_SENDRECV( ar(nys_l,nxl_l-nbgp_local), 1, & |
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| 291 | type_x_int(grid_level), psouth, 0, & |
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| 292 | ar(nyn_l+1,nxl_l-nbgp_local), 1, & |
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| 293 | type_x_int(grid_level), pnorth, 0, & |
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[702] | 294 | comm2d, status, ierr ) |
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[667] | 295 | |
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[1] | 296 | ! |
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| 297 | !-- Send rear boundary, receive front one |
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[1968] | 298 | CALL MPI_SENDRECV( ar(nyn_l+1-nbgp_local,nxl_l-nbgp_local), 1, & |
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| 299 | type_x_int(grid_level), pnorth, 1, & |
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| 300 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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| 301 | type_x_int(grid_level), psouth, 1, & |
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[1] | 302 | comm2d, status, ierr ) |
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[667] | 303 | |
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[1] | 304 | ENDIF |
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| 305 | |
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| 306 | #else |
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| 307 | |
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| 308 | ! |
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| 309 | !-- Lateral boundary conditions in the non-parallel case |
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[707] | 310 | IF ( bc_lr_cyc ) THEN |
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[1968] | 311 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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| 312 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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[1] | 313 | ENDIF |
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| 314 | |
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[707] | 315 | IF ( bc_ns_cyc ) THEN |
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[1968] | 316 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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| 317 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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[1] | 318 | ENDIF |
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| 319 | |
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| 320 | #endif |
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[1762] | 321 | ! |
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| 322 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
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[3182] | 323 | IF ( bc_dirichlet_l ) THEN |
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[1968] | 324 | DO i = nbgp_local, 1, -1 |
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| 325 | ar(:,nxl_l-i) = ar(:,nxl_l) |
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[1762] | 326 | ENDDO |
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| 327 | ENDIF |
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[3182] | 328 | IF ( bc_dirichlet_r ) THEN |
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[1968] | 329 | DO i = 1, nbgp_local |
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| 330 | ar(:,nxr_l+i) = ar(:,nxr_l) |
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[1762] | 331 | ENDDO |
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| 332 | ENDIF |
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[3182] | 333 | IF ( bc_dirichlet_s ) THEN |
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[1968] | 334 | DO i = nbgp_local, 1, -1 |
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| 335 | ar(nys_l-i,:) = ar(nys_l,:) |
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[1762] | 336 | ENDDO |
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| 337 | ENDIF |
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[3182] | 338 | IF ( bc_dirichlet_n ) THEN |
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[1968] | 339 | DO i = 1, nbgp_local |
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| 340 | ar(nyn_l+i,:) = ar(nyn_l,:) |
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[1762] | 341 | ENDDO |
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| 342 | ENDIF |
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| 343 | |
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[1] | 344 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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| 345 | |
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| 346 | END SUBROUTINE exchange_horiz_2d_int |
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