[1873] | 1 | !> @file advec_s_up.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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[3655] | 17 | ! Copyright 1997-2019 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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[1354] | 22 | ! |
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[2233] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: advec_s_up.f90 4180 2019-08-21 14:37:54Z scharf $ |
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[3927] | 27 | ! pointer attribute removed from scalar 3d-array for performance reasons |
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| 28 | ! |
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| 29 | ! 3665 2019-01-10 08:28:24Z raasch |
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[3665] | 30 | ! unused variables removed |
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| 31 | ! |
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| 32 | ! 3655 2019-01-07 16:51:22Z knoop |
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[3636] | 33 | ! nopointer option removed |
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| 34 | ! |
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[1321] | 35 | ! |
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[1] | 36 | ! Description: |
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| 37 | ! ------------ |
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[1682] | 38 | !> Advection term for scalar quantities using the Upstream scheme. |
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| 39 | !> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
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| 40 | !> The same problem occurs for all topography boundaries! |
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[1] | 41 | !------------------------------------------------------------------------------! |
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[1682] | 42 | MODULE advec_s_up_mod |
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| 43 | |
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[1] | 44 | |
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| 45 | PRIVATE |
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| 46 | PUBLIC advec_s_up |
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| 47 | |
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| 48 | INTERFACE advec_s_up |
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| 49 | MODULE PROCEDURE advec_s_up |
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| 50 | MODULE PROCEDURE advec_s_up_ij |
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| 51 | END INTERFACE advec_s_up |
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| 52 | |
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| 53 | CONTAINS |
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| 54 | |
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| 55 | |
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| 56 | !------------------------------------------------------------------------------! |
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[1682] | 57 | ! Description: |
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| 58 | ! ------------ |
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| 59 | !> Call for all grid points |
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[1] | 60 | !------------------------------------------------------------------------------! |
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| 61 | SUBROUTINE advec_s_up( sk ) |
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| 62 | |
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[1320] | 63 | USE arrays_3d, & |
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| 64 | ONLY: ddzu, tend, u, v, w |
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[1] | 65 | |
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[1320] | 66 | USE control_parameters, & |
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| 67 | ONLY: u_gtrans, v_gtrans |
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| 68 | |
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| 69 | USE grid_variables, & |
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| 70 | ONLY: ddx, ddy |
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| 71 | |
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| 72 | USE indices, & |
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[3927] | 73 | ONLY: nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg, nzb, nzt |
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[1320] | 74 | |
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| 75 | USE kinds |
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| 76 | |
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| 77 | |
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[1] | 78 | IMPLICIT NONE |
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| 79 | |
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[3547] | 80 | INTEGER(iwp) :: i !< grid index along x-direction |
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| 81 | INTEGER(iwp) :: j !< grid index along y-direction |
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| 82 | INTEGER(iwp) :: k !< grid index along z-direction |
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[1] | 83 | |
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[3547] | 84 | REAL(wp) :: ukomp !< advection velocity along x-direction |
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| 85 | REAL(wp) :: vkomp !< advection velocity along y-direction |
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| 86 | REAL(wp) :: wkomp !< advection velocity along z-direction |
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[3636] | 87 | |
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[3927] | 88 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: sk !< treated scalar |
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[1] | 89 | |
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| 90 | |
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| 91 | DO i = nxl, nxr |
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| 92 | DO j = nys, nyn |
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[2232] | 93 | DO k = nzb+1, nzt |
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[1] | 94 | ! |
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| 95 | !-- x-direction |
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[1353] | 96 | ukomp = 0.5_wp * ( u(k,j,i) + u(k,j,i+1) ) - u_gtrans |
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| 97 | IF ( ukomp > 0.0_wp ) THEN |
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[1320] | 98 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[3538] | 99 | ( sk(k,j,i) - sk(k,j,i-1) ) * ddx |
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[1] | 100 | ELSE |
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[1320] | 101 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[3538] | 102 | ( sk(k,j,i+1) - sk(k,j,i) ) * ddx |
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[1] | 103 | ENDIF |
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| 104 | ! |
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| 105 | !-- y-direction |
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[1353] | 106 | vkomp = 0.5_wp * ( v(k,j,i) + v(k,j+1,i) ) - v_gtrans |
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| 107 | IF ( vkomp > 0.0_wp ) THEN |
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[1320] | 108 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[3538] | 109 | ( sk(k,j,i) - sk(k,j-1,i) ) * ddy |
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[1] | 110 | ELSE |
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[1320] | 111 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[3538] | 112 | ( sk(k,j+1,i) - sk(k,j,i) ) * ddy |
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[1] | 113 | ENDIF |
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| 114 | ! |
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| 115 | !-- z-direction |
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[1353] | 116 | wkomp = 0.5_wp * ( w(k,j,i) + w(k-1,j,i) ) |
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| 117 | IF ( wkomp > 0.0_wp ) THEN |
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[1320] | 118 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[3538] | 119 | ( sk(k,j,i) - sk(k-1,j,i) ) * ddzu(k) |
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[1] | 120 | ELSE |
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[1320] | 121 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[3538] | 122 | ( sk(k+1,j,i)-sk(k,j,i) ) * ddzu(k+1) |
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[1] | 123 | ENDIF |
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| 124 | |
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| 125 | ENDDO |
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| 126 | ENDDO |
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| 127 | ENDDO |
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| 128 | |
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| 129 | END SUBROUTINE advec_s_up |
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| 130 | |
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| 131 | |
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| 132 | !------------------------------------------------------------------------------! |
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[1682] | 133 | ! Description: |
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| 134 | ! ------------ |
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| 135 | !> Call for grid point i,j |
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[1] | 136 | !------------------------------------------------------------------------------! |
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| 137 | SUBROUTINE advec_s_up_ij( i, j, sk ) |
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| 138 | |
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[1320] | 139 | USE arrays_3d, & |
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| 140 | ONLY: ddzu, tend, u, v, w |
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[1] | 141 | |
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[1320] | 142 | USE control_parameters, & |
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| 143 | ONLY: u_gtrans, v_gtrans |
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| 144 | |
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| 145 | USE grid_variables, & |
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| 146 | ONLY: ddx, ddy |
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| 147 | |
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| 148 | USE indices, & |
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[3927] | 149 | ONLY: nxlg, nxrg, nyng, nysg, nzb, nzt |
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[1320] | 150 | |
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| 151 | USE kinds |
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| 152 | |
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| 153 | |
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[1] | 154 | IMPLICIT NONE |
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| 155 | |
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[3547] | 156 | INTEGER(iwp) :: i !< grid index along x-direction |
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| 157 | INTEGER(iwp) :: j !< grid index along y-direction |
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| 158 | INTEGER(iwp) :: k !< grid index along z-direction |
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[1] | 159 | |
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[3547] | 160 | REAL(wp) :: ukomp !< advection velocity along x-direction |
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| 161 | REAL(wp) :: vkomp !< advection velocity along y-direction |
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| 162 | REAL(wp) :: wkomp !< advection velocity along z-direction |
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[1320] | 163 | |
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[3927] | 164 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: sk !< treated scalar |
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[1] | 165 | |
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| 166 | |
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[2232] | 167 | DO k = nzb+1, nzt |
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[1] | 168 | ! |
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| 169 | !-- x-direction |
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[1353] | 170 | ukomp = 0.5_wp * ( u(k,j,i) + u(k,j,i+1) ) - u_gtrans |
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| 171 | IF ( ukomp > 0.0_wp ) THEN |
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[1320] | 172 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[3538] | 173 | ( sk(k,j,i) - sk(k,j,i-1) ) * ddx |
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[1] | 174 | ELSE |
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[1320] | 175 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[3538] | 176 | ( sk(k,j,i+1) - sk(k,j,i) ) * ddx |
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[1] | 177 | ENDIF |
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| 178 | ! |
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| 179 | !-- y-direction |
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[1353] | 180 | vkomp = 0.5_wp * ( v(k,j,i) + v(k,j+1,i) ) - v_gtrans |
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| 181 | IF ( vkomp > 0.0_wp ) THEN |
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[1320] | 182 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[3538] | 183 | ( sk(k,j,i) - sk(k,j-1,i) ) * ddy |
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[1] | 184 | ELSE |
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[1320] | 185 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[3538] | 186 | ( sk(k,j+1,i) - sk(k,j,i) ) * ddy |
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[1] | 187 | ENDIF |
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| 188 | ! |
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| 189 | !-- z-direction |
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[1353] | 190 | wkomp = 0.5_wp * ( w(k,j,i) + w(k-1,j,i) ) |
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| 191 | IF ( wkomp > 0.0_wp ) THEN |
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[1320] | 192 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[3538] | 193 | ( sk(k,j,i) - sk(k-1,j,i) ) * ddzu(k) |
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[1] | 194 | ELSE |
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[1320] | 195 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[3538] | 196 | ( sk(k+1,j,i)-sk(k,j,i) ) * ddzu(k+1) |
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[1] | 197 | ENDIF |
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| 198 | |
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| 199 | ENDDO |
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| 200 | |
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| 201 | END SUBROUTINE advec_s_up_ij |
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| 202 | |
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| 203 | END MODULE advec_s_up_mod |
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