| 1 | SUBROUTINE inflow_turbulence |
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| 2 | |
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| 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2014 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: inflow_turbulence.f90 1354 2014-04-08 15:22:57Z witha $ |
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| 27 | ! |
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| 28 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 29 | ! REAL constants provided with KIND-attribute |
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| 30 | ! |
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| 31 | ! 1346 2014-03-27 13:18:20Z heinze |
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| 32 | ! Bugfix: REAL constants provided with KIND-attribute especially in call of |
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| 33 | ! intrinsic function like MAX, MIN, SIGN |
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| 34 | ! |
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| 35 | ! 1320 2014-03-20 08:40:49Z raasch |
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| 36 | ! ONLY-attribute added to USE-statements, |
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| 37 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 38 | ! kinds are defined in new module kinds, |
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| 39 | ! revision history before 2012 removed, |
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| 40 | ! comment fields (!:) to be used for variable explanations added to |
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| 41 | ! all variable declaration statements |
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| 42 | ! |
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| 43 | ! 1092 2013-02-02 11:24:22Z raasch |
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| 44 | ! unused variables removed |
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| 45 | ! |
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| 46 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 47 | ! code put under GPL (PALM 3.9) |
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| 48 | ! |
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| 49 | ! Initial version (2008/03/07) |
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| 50 | ! |
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| 51 | ! Description: |
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| 52 | ! ------------ |
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| 53 | ! Imposing turbulence at the respective inflow using the turbulence |
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| 54 | ! recycling method of Kataoka and Mizuno (2002). |
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| 55 | !------------------------------------------------------------------------------! |
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| 56 | |
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| 57 | USE arrays_3d, & |
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| 58 | ONLY: e, inflow_damping_factor, mean_inflow_profiles, pt, u, v, w |
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| 59 | |
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| 60 | USE control_parameters, & |
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| 61 | ONLY: recycling_plane |
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| 62 | |
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| 63 | USE cpulog, & |
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| 64 | ONLY: cpu_log, log_point |
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| 65 | |
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| 66 | USE grid_variables, & |
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| 67 | ONLY: |
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| 68 | |
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| 69 | USE indices, & |
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| 70 | ONLY: nbgp, nxl, ny, nyn, nys, nyng, nysg, nzb, nzt |
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| 71 | |
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| 72 | USE kinds |
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| 73 | |
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| 74 | USE pegrid |
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| 75 | |
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| 76 | |
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| 77 | IMPLICIT NONE |
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| 78 | |
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| 79 | INTEGER(iwp) :: i !: |
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| 80 | INTEGER(iwp) :: j !: |
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| 81 | INTEGER(iwp) :: k !: |
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| 82 | INTEGER(iwp) :: l !: |
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| 83 | INTEGER(iwp) :: ngp_ifd !: |
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| 84 | INTEGER(iwp) :: ngp_pr !: |
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| 85 | |
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| 86 | REAL(wp), DIMENSION(nzb:nzt+1,5,nbgp) :: & |
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| 87 | avpr, avpr_l !: |
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| 88 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,5,nbgp) :: & |
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| 89 | inflow_dist !: |
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| 90 | |
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| 91 | CALL cpu_log( log_point(40), 'inflow_turbulence', 'start' ) |
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| 92 | |
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| 93 | ! |
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| 94 | !-- Carry out spanwise averaging in the recycling plane |
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| 95 | avpr_l = 0.0_wp |
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| 96 | ngp_pr = ( nzt - nzb + 2 ) * 5 * nbgp |
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| 97 | ngp_ifd = ngp_pr * ( nyn - nys + 1 + 2 * nbgp ) |
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| 98 | |
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| 99 | ! |
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| 100 | !-- First, local averaging within the recycling domain |
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| 101 | i = recycling_plane |
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| 102 | |
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| 103 | #if defined( __parallel ) |
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| 104 | IF ( myidx == id_recycling ) THEN |
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| 105 | |
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| 106 | DO l = 1, nbgp |
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| 107 | DO j = nys, nyn |
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| 108 | DO k = nzb, nzt + 1 |
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| 109 | |
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| 110 | avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i) |
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| 111 | avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i) |
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| 112 | avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i) |
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| 113 | avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i) |
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| 114 | avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i) |
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| 115 | |
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| 116 | ENDDO |
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| 117 | ENDDO |
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| 118 | i = i + 1 |
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| 119 | ENDDO |
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| 120 | |
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| 121 | ENDIF |
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| 122 | ! |
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| 123 | !-- Now, averaging over all PEs |
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| 124 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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| 125 | CALL MPI_ALLREDUCE( avpr_l(nzb,1,1), avpr(nzb,1,1), ngp_pr, MPI_REAL, & |
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| 126 | MPI_SUM, comm2d, ierr ) |
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| 127 | |
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| 128 | #else |
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| 129 | DO l = 1, nbgp |
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| 130 | DO j = nys, nyn |
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| 131 | DO k = nzb, nzt + 1 |
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| 132 | |
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| 133 | avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i) |
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| 134 | avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i) |
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| 135 | avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i) |
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| 136 | avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i) |
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| 137 | avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i) |
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| 138 | |
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| 139 | ENDDO |
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| 140 | ENDDO |
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| 141 | i = i + 1 |
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| 142 | ENDDO |
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| 143 | |
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| 144 | avpr = avpr_l |
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| 145 | #endif |
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| 146 | |
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| 147 | avpr = avpr / ( ny + 1 ) |
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| 148 | ! |
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| 149 | !-- Calculate the disturbances at the recycling plane |
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| 150 | i = recycling_plane |
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| 151 | |
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| 152 | #if defined( __parallel ) |
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| 153 | IF ( myidx == id_recycling ) THEN |
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| 154 | DO l = 1, nbgp |
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| 155 | DO j = nysg, nyng |
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| 156 | DO k = nzb, nzt + 1 |
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| 157 | |
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| 158 | inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l) |
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| 159 | inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l) |
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| 160 | inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l) |
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| 161 | inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l) |
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| 162 | inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l) |
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| 163 | |
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| 164 | ENDDO |
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| 165 | ENDDO |
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| 166 | i = i + 1 |
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| 167 | ENDDO |
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| 168 | |
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| 169 | ENDIF |
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| 170 | #else |
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| 171 | DO l = 1, nbgp |
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| 172 | DO j = nysg, nyng |
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| 173 | DO k = nzb, nzt+1 |
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| 174 | |
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| 175 | inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l) |
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| 176 | inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l) |
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| 177 | inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l) |
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| 178 | inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l) |
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| 179 | inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l) |
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| 180 | |
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| 181 | ENDDO |
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| 182 | ENDDO |
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| 183 | i = i + 1 |
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| 184 | ENDDO |
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| 185 | #endif |
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| 186 | |
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| 187 | ! |
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| 188 | !-- For parallel runs, send the disturbances to the respective inflow PE |
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| 189 | #if defined( __parallel ) |
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| 190 | IF ( myidx == id_recycling .AND. myidx /= id_inflow ) THEN |
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| 191 | |
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| 192 | CALL MPI_SEND( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, & |
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| 193 | id_inflow, 1, comm1dx, ierr ) |
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| 194 | |
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| 195 | ELSEIF ( myidx /= id_recycling .AND. myidx == id_inflow ) THEN |
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| 196 | |
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| 197 | inflow_dist = 0.0_wp |
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| 198 | CALL MPI_RECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, & |
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| 199 | id_recycling, 1, comm1dx, status, ierr ) |
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| 200 | |
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| 201 | ENDIF |
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| 202 | #endif |
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| 203 | |
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| 204 | ! |
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| 205 | !-- Add the disturbance at the inflow |
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| 206 | IF ( nxl == 0 ) THEN |
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| 207 | |
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| 208 | DO j = nysg, nyng |
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| 209 | DO k = nzb, nzt + 1 |
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| 210 | |
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| 211 | u(k,j,-nbgp+1:0) = mean_inflow_profiles(k,1) + & |
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| 212 | inflow_dist(k,j,1,1:nbgp) * inflow_damping_factor(k) |
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| 213 | v(k,j,-nbgp:-1) = mean_inflow_profiles(k,2) + & |
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| 214 | inflow_dist(k,j,2,1:nbgp) * inflow_damping_factor(k) |
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| 215 | w(k,j,-nbgp:-1) = & |
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| 216 | inflow_dist(k,j,3,1:nbgp) * inflow_damping_factor(k) |
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| 217 | pt(k,j,-nbgp:-1) = mean_inflow_profiles(k,4) + & |
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| 218 | inflow_dist(k,j,4,1:nbgp) * inflow_damping_factor(k) |
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| 219 | e(k,j,-nbgp:-1) = mean_inflow_profiles(k,5) + & |
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| 220 | inflow_dist(k,j,5,1:nbgp) * inflow_damping_factor(k) |
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| 221 | e(k,j,-nbgp:-1) = MAX( e(k,j,-nbgp:-1), 0.0_wp ) |
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| 222 | |
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| 223 | ENDDO |
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| 224 | ENDDO |
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| 225 | |
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| 226 | ENDIF |
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| 227 | |
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| 228 | CALL cpu_log( log_point(40), 'inflow_turbulence', 'stop' ) |
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| 229 | |
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| 230 | |
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| 231 | END SUBROUTINE inflow_turbulence |
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