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