[1873] | 1 | !> @file advec_v_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_v_up.f90 4180 2019-08-21 14:37:54Z raasch $ |
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[3547] | 27 | ! variables documented |
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| 28 | ! |
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[1321] | 29 | ! |
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[1] | 30 | ! Description: |
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| 31 | ! ------------ |
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[1682] | 32 | !> Advection term for the v velocity-component using upstream scheme. |
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| 33 | !> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
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| 34 | !> The same problem occurs for all topography boundaries! |
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[1] | 35 | !------------------------------------------------------------------------------! |
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[1682] | 36 | MODULE advec_v_up_mod |
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| 37 | |
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[1] | 38 | |
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| 39 | PRIVATE |
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| 40 | PUBLIC advec_v_up |
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| 41 | |
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| 42 | INTERFACE advec_v_up |
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| 43 | MODULE PROCEDURE advec_v_up |
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| 44 | MODULE PROCEDURE advec_v_up_ij |
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| 45 | END INTERFACE advec_v_up |
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| 46 | |
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| 47 | CONTAINS |
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| 48 | |
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| 49 | |
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| 50 | !------------------------------------------------------------------------------! |
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[1682] | 51 | ! Description: |
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| 52 | ! ------------ |
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| 53 | !> Call for all grid points |
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[1] | 54 | !------------------------------------------------------------------------------! |
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| 55 | SUBROUTINE advec_v_up |
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| 56 | |
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[1320] | 57 | USE arrays_3d, & |
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| 58 | ONLY: ddzu, tend, u, v, w |
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[1] | 59 | |
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[1320] | 60 | USE control_parameters, & |
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| 61 | ONLY: u_gtrans, v_gtrans |
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| 62 | |
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| 63 | USE grid_variables, & |
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| 64 | ONLY: ddx, ddy |
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| 65 | |
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| 66 | USE indices, & |
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[3538] | 67 | ONLY: nxl, nxr, nyn, nysv, nzb, nzt |
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[1320] | 68 | |
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| 69 | USE kinds |
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| 70 | |
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| 71 | |
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[1] | 72 | IMPLICIT NONE |
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| 73 | |
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[3547] | 74 | INTEGER(iwp) :: i !< grid index along x-direction |
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| 75 | INTEGER(iwp) :: j !< grid index along y-direction |
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| 76 | INTEGER(iwp) :: k !< grid index along z-direction |
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[1] | 77 | |
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[3547] | 78 | REAL(wp) :: ukomp !< advection velocity along x-direction |
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| 79 | REAL(wp) :: vkomp !< advection velocity along y-direction |
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| 80 | REAL(wp) :: wkomp !< advection velocity along z-direction |
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[1] | 81 | |
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[1320] | 82 | |
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[1] | 83 | DO i = nxl, nxr |
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[106] | 84 | DO j = nysv, nyn |
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[2232] | 85 | DO k = nzb+1, nzt |
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[1] | 86 | ! |
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| 87 | !-- x-direction |
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[1353] | 88 | ukomp = 0.25_wp * ( u(k,j,i) + u(k,j-1,i) + & |
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[1] | 89 | u(k,j,i+1) + u(k,j-1,i+1) ) - u_gtrans |
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[1353] | 90 | IF ( ukomp > 0.0_wp ) THEN |
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[1320] | 91 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[3538] | 92 | ( v(k,j,i) - v(k,j,i-1) ) * ddx |
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[1] | 93 | ELSE |
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[1320] | 94 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[3538] | 95 | ( v(k,j,i+1) - v(k,j,i) ) * ddx |
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[1] | 96 | ENDIF |
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| 97 | ! |
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| 98 | !-- y-direction |
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| 99 | vkomp = v(k,j,i) - v_gtrans |
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[1353] | 100 | IF ( vkomp > 0.0_wp ) THEN |
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[1320] | 101 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[3538] | 102 | ( v(k,j,i) - v(k,j-1,i) ) * ddy |
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[1] | 103 | ELSE |
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[1320] | 104 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[3538] | 105 | ( v(k,j+1,i) - v(k,j,i) ) * ddy |
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[1] | 106 | ENDIF |
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| 107 | ! |
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| 108 | !-- z-direction |
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[1353] | 109 | wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + & |
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[1] | 110 | w(k,j-1,i) + w(k-1,j-1,i) ) |
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[1353] | 111 | IF ( wkomp > 0.0_wp ) THEN |
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[1320] | 112 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[3538] | 113 | ( v(k,j,i) - v(k-1,j,i) ) * ddzu(k) |
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[1] | 114 | ELSE |
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[1320] | 115 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[3538] | 116 | ( v(k+1,j,i) - v(k,j,i) ) * ddzu(k+1) |
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[1] | 117 | ENDIF |
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| 118 | |
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| 119 | ENDDO |
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| 120 | ENDDO |
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| 121 | ENDDO |
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| 122 | |
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| 123 | END SUBROUTINE advec_v_up |
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| 124 | |
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| 125 | |
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| 126 | !------------------------------------------------------------------------------! |
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[1682] | 127 | ! Description: |
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| 128 | ! ------------ |
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| 129 | !> Call for grid point i,j |
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[1] | 130 | !------------------------------------------------------------------------------! |
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| 131 | SUBROUTINE advec_v_up_ij( i, j ) |
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| 132 | |
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[1320] | 133 | USE arrays_3d, & |
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| 134 | ONLY: ddzu, tend, u, v, w |
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[1] | 135 | |
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[1320] | 136 | USE control_parameters, & |
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| 137 | ONLY: u_gtrans, v_gtrans |
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| 138 | |
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| 139 | USE grid_variables, & |
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| 140 | ONLY: ddx, ddy |
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| 141 | |
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| 142 | USE indices, & |
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[3538] | 143 | ONLY: nzb, nzt |
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[1320] | 144 | |
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| 145 | USE kinds |
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| 146 | |
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| 147 | |
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[1] | 148 | IMPLICIT NONE |
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| 149 | |
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[3547] | 150 | INTEGER(iwp) :: i !< grid index along x-direction |
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| 151 | INTEGER(iwp) :: j !< grid index along y-direction |
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| 152 | INTEGER(iwp) :: k !< grid index along z-direction |
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[1] | 153 | |
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[3547] | 154 | REAL(wp) :: ukomp !< advection velocity along x-direction |
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| 155 | REAL(wp) :: vkomp !< advection velocity along y-direction |
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| 156 | REAL(wp) :: wkomp !< advection velocity along z-direction |
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[1] | 157 | |
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| 158 | |
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[2232] | 159 | DO k = nzb+1, nzt |
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[1] | 160 | ! |
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| 161 | !-- x-direction |
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[1353] | 162 | ukomp = 0.25_wp * ( u(k,j,i) + u(k,j-1,i) + u(k,j,i+1) + u(k,j-1,i+1) & |
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[1] | 163 | ) - u_gtrans |
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[1353] | 164 | IF ( ukomp > 0.0_wp ) THEN |
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[1320] | 165 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[3538] | 166 | ( v(k,j,i) - v(k,j,i-1) ) * ddx |
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[1] | 167 | ELSE |
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[1320] | 168 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[3538] | 169 | ( v(k,j,i+1) - v(k,j,i) ) * ddx |
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[1] | 170 | ENDIF |
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| 171 | ! |
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| 172 | !-- y-direction |
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| 173 | vkomp = v(k,j,i) - v_gtrans |
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[1353] | 174 | IF ( vkomp > 0.0_wp ) THEN |
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[1320] | 175 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[3538] | 176 | ( v(k,j,i) - v(k,j-1,i) ) * ddy |
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[1] | 177 | ELSE |
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[1320] | 178 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[3538] | 179 | ( v(k,j+1,i) - v(k,j,i) ) * ddy |
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[1] | 180 | ENDIF |
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| 181 | ! |
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| 182 | !-- z-direction |
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[1353] | 183 | wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + w(k,j-1,i) + w(k-1,j-1,i) ) |
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| 184 | IF ( wkomp > 0.0_wp ) THEN |
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[1320] | 185 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[3538] | 186 | ( v(k,j,i) - v(k-1,j,i) ) * ddzu(k) |
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[1] | 187 | ELSE |
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[1320] | 188 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[3538] | 189 | ( v(k+1,j,i) - v(k,j,i) ) * ddzu(k+1) |
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[1] | 190 | ENDIF |
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| 191 | |
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| 192 | ENDDO |
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| 193 | |
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| 194 | END SUBROUTINE advec_v_up_ij |
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| 195 | |
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| 196 | END MODULE advec_v_up_mod |
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