| 1 | !> @file inflow_turbulence.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 terms of the GNU General |
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| 6 | ! Public License as published by the Free Software Foundation, either version 3 of the License, or |
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| 7 | ! (at your option) any later version. |
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| 8 | ! |
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| 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the |
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| 10 | ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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| 11 | ! Public License for more details. |
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| 12 | ! |
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| 13 | ! You should have received a copy of the GNU General Public License along with PALM. If not, see |
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| 14 | ! <http://www.gnu.org/licenses/>. |
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| 15 | ! |
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| 16 | ! Copyright 1997-2020 Leibniz Universitaet Hannover |
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| 17 | !--------------------------------------------------------------------------------------------------! |
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| 18 | ! |
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| 19 | ! Current revisions: |
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| 20 | ! ----------------- |
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| 21 | ! |
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| 22 | ! |
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| 23 | ! Former revisions: |
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| 24 | ! ----------------- |
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| 25 | ! $Id: inflow_turbulence.f90 4646 2020-08-24 16:02:40Z pavelkrc $ |
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| 26 | ! file re-formatted to follow the PALM coding standard |
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| 27 | ! |
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| 28 | ! 4429 2020-02-27 15:24:30Z raasch |
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| 29 | ! bugfix: cpp-directives added for serial mode |
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| 30 | ! |
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| 31 | ! 4360 2020-01-07 11:25:50Z suehring |
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| 32 | ! use y_shift instead of old parameter recycling_yshift |
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| 33 | ! |
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| 34 | ! 4297 2019-11-21 10:37:50Z oliver.maas |
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| 35 | ! changed recycling_yshift so that the y-shift can be a multiple of PE instead of y-shift of a half |
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| 36 | ! domain width |
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| 37 | ! |
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| 38 | ! 4183 2019-08-23 07:33:16Z oliver.maas |
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| 39 | ! simplified steering of recycling of absolute values by initialization parameter |
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| 40 | ! recycling_method_for_thermodynamic_quantities |
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| 41 | ! |
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| 42 | ! 4182 2019-08-22 15:20:23Z scharf |
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| 43 | ! Corrected "Former revisions" section |
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| 44 | ! |
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| 45 | ! 4172 2019-08-20 11:55:33Z oliver.maas |
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| 46 | ! added optional recycling of absolute values for pt and q |
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| 47 | ! |
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| 48 | ! 3655 2019-01-07 16:51:22Z knoop |
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| 49 | ! Corrected "Former revisions" section |
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| 50 | ! |
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| 51 | ! Initial version (2008/03/07) |
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| 52 | ! |
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| 53 | ! Description: |
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| 54 | ! ------------ |
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| 55 | !> Imposing turbulence at the respective inflow using the turbulence recycling method of |
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| 56 | !> Kataoka and Mizuno (2002). |
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| 57 | !--------------------------------------------------------------------------------------------------! |
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| 58 | SUBROUTINE inflow_turbulence |
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| 59 | |
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| 60 | |
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| 61 | USE arrays_3d, & |
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| 62 | ONLY: e, inflow_damping_factor, mean_inflow_profiles, pt, q, s, u, v, w |
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| 63 | |
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| 64 | #if defined( __parallel ) |
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| 65 | USE control_parameters, & |
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| 66 | ONLY: humidity, passive_scalar, recycling_method_for_thermodynamic_quantities, & |
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| 67 | recycling_plane, y_shift |
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| 68 | |
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| 69 | #else |
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| 70 | USE control_parameters, & |
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| 71 | ONLY: humidity, passive_scalar, recycling_method_for_thermodynamic_quantities, & |
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| 72 | recycling_plane |
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| 73 | |
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| 74 | #endif |
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| 75 | |
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| 76 | USE cpulog, & |
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| 77 | ONLY: cpu_log, log_point |
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| 78 | |
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| 79 | USE indices, & |
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| 80 | ONLY: nbgp, nxl, ny, nyn, nys, nyng, nysg, nzb, nzt |
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| 81 | |
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| 82 | USE kinds |
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| 83 | |
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| 84 | USE pegrid |
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| 85 | |
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| 86 | |
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| 87 | IMPLICIT NONE |
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| 88 | |
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| 89 | INTEGER(iwp) :: i !< loop index |
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| 90 | INTEGER(iwp) :: j !< loop index |
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| 91 | INTEGER(iwp) :: k !< loop index |
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| 92 | INTEGER(iwp) :: l !< loop index |
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| 93 | INTEGER(iwp) :: ngp_ifd !< number of grid points stored in avpr |
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| 94 | INTEGER(iwp) :: ngp_pr !< number of grid points stored in inflow_dist |
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| 95 | #if defined( __parallel ) |
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| 96 | INTEGER(iwp) :: next !< ID of receiving PE for y-shift |
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| 97 | INTEGER(iwp) :: prev !< ID of sending PE for y-shift |
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| 98 | #endif |
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| 99 | |
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| 100 | REAL(wp), DIMENSION(nzb:nzt+1,7,nbgp) :: avpr !< stores averaged profiles at recycling plane |
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| 101 | REAL(wp), DIMENSION(nzb:nzt+1,7,nbgp) :: avpr_l !< auxiliary variable to calculate avpr |
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| 102 | |
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| 103 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,7,nbgp) :: inflow_dist !< turbulence signal of vars, added at inflow boundary |
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| 104 | #if defined( __parallel ) |
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| 105 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,7,nbgp) :: local_inflow_dist !< auxiliary variable for inflow_dist, used for y-shift |
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| 106 | #endif |
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| 107 | |
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| 108 | CALL cpu_log( log_point(40), 'inflow_turbulence', 'start' ) |
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| 109 | |
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| 110 | ! |
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| 111 | !-- Carry out spanwise averaging in the recycling plane |
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| 112 | avpr_l = 0.0_wp |
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| 113 | ngp_pr = ( nzt - nzb + 2 ) * 7 * nbgp |
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| 114 | ngp_ifd = ngp_pr * ( nyn - nys + 1 + 2 * nbgp ) |
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| 115 | |
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| 116 | ! |
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| 117 | !-- First, local averaging within the recycling domain |
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| 118 | i = recycling_plane |
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| 119 | |
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| 120 | #if defined( __parallel ) |
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| 121 | IF ( myidx == id_recycling ) THEN |
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| 122 | |
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| 123 | DO l = 1, nbgp |
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| 124 | DO j = nys, nyn |
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| 125 | DO k = nzb, nzt + 1 |
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| 126 | |
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| 127 | avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i) |
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| 128 | avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i) |
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| 129 | avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i) |
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| 130 | avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i) |
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| 131 | avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i) |
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| 132 | IF ( humidity ) avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i) |
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| 133 | IF ( passive_scalar ) avpr_l(k,7,l) = avpr_l(k,7,l) + s(k,j,i) |
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| 134 | |
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| 135 | ENDDO |
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| 136 | ENDDO |
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| 137 | i = i + 1 |
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| 138 | ENDDO |
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| 139 | |
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| 140 | ENDIF |
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| 141 | ! |
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| 142 | !-- Now, averaging over all PEs |
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| 143 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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| 144 | CALL MPI_ALLREDUCE( avpr_l(nzb,1,1), avpr(nzb,1,1), ngp_pr, MPI_REAL, MPI_SUM, comm2d, ierr ) |
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| 145 | |
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| 146 | #else |
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| 147 | DO l = 1, nbgp |
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| 148 | DO j = nys, nyn |
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| 149 | DO k = nzb, nzt + 1 |
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| 150 | |
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| 151 | avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i) |
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| 152 | avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i) |
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| 153 | avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i) |
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| 154 | avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i) |
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| 155 | avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i) |
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| 156 | IF ( humidity ) avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i) |
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| 157 | IF ( passive_scalar ) avpr_l(k,7,l) = avpr_l(k,7,l) + s(k,j,i) |
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| 158 | |
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| 159 | ENDDO |
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| 160 | ENDDO |
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| 161 | i = i + 1 |
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| 162 | ENDDO |
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| 163 | |
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| 164 | avpr = avpr_l |
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| 165 | #endif |
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| 166 | |
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| 167 | avpr = avpr / ( ny + 1 ) |
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| 168 | ! |
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| 169 | !-- Calculate the disturbances at the recycling plane for recycling of absolute quantities, the |
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| 170 | !-- disturbance is defined as the absolute value (and not as the deviation from the mean profile). |
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| 171 | i = recycling_plane |
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| 172 | |
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| 173 | #if defined( __parallel ) |
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| 174 | IF ( myidx == id_recycling ) THEN |
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| 175 | DO l = 1, nbgp |
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| 176 | DO j = nysg, nyng |
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| 177 | DO k = nzb, nzt + 1 |
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| 178 | inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l) |
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| 179 | inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l) |
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| 180 | inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l) |
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| 181 | IF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 182 | == 'turbulent_fluctuation' ) THEN |
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| 183 | inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l) |
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| 184 | ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 185 | == 'absolute_value' ) THEN |
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| 186 | inflow_dist(k,j,4,l) = pt(k,j,i) |
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| 187 | ENDIF |
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| 188 | inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l) |
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| 189 | IF ( humidity ) THEN |
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| 190 | IF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 191 | == 'turbulent_fluctuation' ) THEN |
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| 192 | inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l) |
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| 193 | ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 194 | == 'absolute_value' ) THEN |
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| 195 | inflow_dist(k,j,6,l) = q(k,j,i) |
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| 196 | ENDIF |
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| 197 | ENDIF |
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| 198 | IF ( passive_scalar ) & |
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| 199 | inflow_dist(k,j,7,l) = s(k,j,i) - avpr(k,7,l) |
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| 200 | ENDDO |
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| 201 | ENDDO |
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| 202 | i = i + 1 |
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| 203 | ENDDO |
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| 204 | |
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| 205 | ENDIF |
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| 206 | #else |
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| 207 | DO l = 1, nbgp |
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| 208 | DO j = nysg, nyng |
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| 209 | DO k = nzb, nzt+1 |
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| 210 | inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l) |
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| 211 | inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l) |
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| 212 | inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l) |
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| 213 | IF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 214 | == 'turbulent_fluctuation' ) THEN |
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| 215 | inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l) |
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| 216 | ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 217 | == 'absolute_value' ) THEN |
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| 218 | inflow_dist(k,j,4,l) = pt(k,j,i) |
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| 219 | ENDIF |
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| 220 | inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l) |
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| 221 | IF ( humidity ) THEN |
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| 222 | IF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 223 | == 'turbulent_fluctuation' ) THEN |
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| 224 | inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l) |
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| 225 | ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 226 | == 'absolute_value' ) THEN |
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| 227 | inflow_dist(k,j,6,l) = q(k,j,i) |
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| 228 | ENDIF |
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| 229 | ENDIF |
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| 230 | IF ( passive_scalar ) & |
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| 231 | inflow_dist(k,j,7,l) = s(k,j,i) - avpr(k,7,l) |
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| 232 | |
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| 233 | ENDDO |
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| 234 | ENDDO |
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| 235 | i = i + 1 |
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| 236 | ENDDO |
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| 237 | #endif |
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| 238 | |
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| 239 | ! |
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| 240 | !-- For parallel runs, send the disturbances to the respective inflow PE |
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| 241 | #if defined( __parallel ) |
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| 242 | IF ( myidx == id_recycling .AND. myidx /= id_inflow ) THEN |
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| 243 | |
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| 244 | CALL MPI_SEND( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, id_inflow, 1, comm1dx, ierr ) |
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| 245 | |
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| 246 | ELSEIF ( myidx /= id_recycling .AND. myidx == id_inflow ) THEN |
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| 247 | |
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| 248 | inflow_dist = 0.0_wp |
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| 249 | CALL MPI_RECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, id_recycling, 1, comm1dx, & |
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| 250 | status, ierr ) |
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| 251 | |
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| 252 | ENDIF |
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| 253 | |
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| 254 | ! |
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| 255 | !-- y-shift for inflow_dist |
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| 256 | !-- Shift inflow_dist in positive y direction by a number of |
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| 257 | !-- PEs equal to y_shift |
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| 258 | IF ( ( y_shift /= 0 ) .AND. myidx == id_inflow ) THEN |
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| 259 | |
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| 260 | ! |
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| 261 | !-- Calculate the ID of the PE which sends data to this PE (prev) and of the PE which receives |
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| 262 | !-- data from this PE (next). |
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| 263 | prev = MODULO(myidy - y_shift , pdims(2)) |
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| 264 | next = MODULO(myidy + y_shift , pdims(2)) |
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| 265 | |
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| 266 | local_inflow_dist = 0.0_wp |
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| 267 | |
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| 268 | CALL MPI_SENDRECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, next, 1, & |
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| 269 | local_inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, prev, 1, comm1dy, & |
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| 270 | status, ierr ) |
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| 271 | |
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| 272 | inflow_dist = local_inflow_dist |
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| 273 | |
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| 274 | ENDIF |
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| 275 | |
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| 276 | #endif |
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| 277 | |
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| 278 | ! |
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| 279 | !-- Add the disturbance at the inflow |
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| 280 | IF ( nxl == 0 ) THEN |
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| 281 | |
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| 282 | DO j = nysg, nyng |
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| 283 | DO k = nzb, nzt + 1 |
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| 284 | |
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| 285 | u(k,j,-nbgp+1:0) = mean_inflow_profiles(k,1) + & |
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| 286 | inflow_dist(k,j,1,1:nbgp) * inflow_damping_factor(k) |
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| 287 | v(k,j,-nbgp:-1) = mean_inflow_profiles(k,2) + & |
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| 288 | inflow_dist(k,j,2,1:nbgp) * inflow_damping_factor(k) |
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| 289 | w(k,j,-nbgp:-1) = inflow_dist(k,j,3,1:nbgp) * inflow_damping_factor(k) |
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| 290 | IF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 291 | == 'turbulent_fluctuation' ) THEN |
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| 292 | pt(k,j,-nbgp:-1) = mean_inflow_profiles(k,4) + & |
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| 293 | inflow_dist(k,j,4,1:nbgp) * inflow_damping_factor(k) |
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| 294 | ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 295 | == 'absolute_value' ) THEN |
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| 296 | pt(k,j,-nbgp:-1) = inflow_dist(k,j,4,1:nbgp) |
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| 297 | ENDIF |
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| 298 | e(k,j,-nbgp:-1) = mean_inflow_profiles(k,5) + & |
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| 299 | inflow_dist(k,j,5,1:nbgp) * inflow_damping_factor(k) |
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| 300 | e(k,j,-nbgp:-1) = MAX( e(k,j,-nbgp:-1), 0.0_wp ) |
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| 301 | IF ( humidity ) THEN |
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| 302 | IF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 303 | == 'turbulent_fluctuation' ) THEN |
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| 304 | q(k,j,-nbgp:-1) = mean_inflow_profiles(k,6) + & |
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| 305 | inflow_dist(k,j,6,1:nbgp) * inflow_damping_factor(k) |
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| 306 | ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) & |
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| 307 | == 'absolute_value' ) THEN |
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| 308 | q(k,j,-nbgp:-1) = inflow_dist(k,j,6,1:nbgp) |
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| 309 | ENDIF |
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| 310 | ENDIF |
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| 311 | IF ( passive_scalar ) & |
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| 312 | s(k,j,-nbgp:-1) = mean_inflow_profiles(k,7) + & |
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| 313 | inflow_dist(k,j,7,1:nbgp) * inflow_damping_factor(k) |
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| 314 | |
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| 315 | ENDDO |
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| 316 | ENDDO |
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| 317 | |
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| 318 | ENDIF |
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| 319 | |
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| 320 | |
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| 321 | CALL cpu_log( log_point(40), 'inflow_turbulence', 'stop' ) |
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| 322 | |
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| 323 | |
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| 324 | END SUBROUTINE inflow_turbulence |
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