[1682] | 1 | !> @file advec_u_up.f90 |
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[1036] | 2 | !--------------------------------------------------------------------------------! |
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| 3 | ! This file is part of PALM. |
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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 |
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| 6 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 7 | ! either version 3 of the License, or (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 |
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| 10 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 11 | ! A PARTICULAR PURPOSE. See the GNU General 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 |
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| 14 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 15 | ! |
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[1310] | 16 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
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[1036] | 17 | !--------------------------------------------------------------------------------! |
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| 18 | ! |
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[484] | 19 | ! Current revisions: |
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[1] | 20 | ! ----------------- |
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[1682] | 21 | ! Code annotations made doxygen readable |
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[1354] | 22 | ! |
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[1321] | 23 | ! Former revisions: |
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| 24 | ! ----------------- |
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| 25 | ! $Id: advec_u_up.f90 1682 2015-10-07 23:56:08Z knoop $ |
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| 26 | ! |
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[1354] | 27 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 28 | ! REAL constants provided with KIND-attribute |
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| 29 | ! |
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[1321] | 30 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 31 | ! ONLY-attribute added to USE-statements, |
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| 32 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 33 | ! kinds are defined in new module kinds, |
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| 34 | ! revision history before 2012 removed, |
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| 35 | ! comment fields (!:) to be used for variable explanations added to |
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| 36 | ! all variable declaration statements |
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[1] | 37 | ! |
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[1037] | 38 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 39 | ! code put under GPL (PALM 3.9) |
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| 40 | ! |
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[1] | 41 | ! Revision 1.1 1997/08/29 08:55:25 raasch |
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| 42 | ! Initial revision |
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| 43 | ! |
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| 44 | ! |
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| 45 | ! Description: |
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| 46 | ! ------------ |
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[1682] | 47 | !> Advection term for the u velocity-component using upstream scheme. |
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| 48 | !> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
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| 49 | !> The same problem occurs for all topography boundaries! |
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[1] | 50 | !------------------------------------------------------------------------------! |
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[1682] | 51 | MODULE advec_u_up_mod |
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| 52 | |
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[1] | 53 | |
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| 54 | PRIVATE |
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| 55 | PUBLIC advec_u_up |
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| 56 | |
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| 57 | INTERFACE advec_u_up |
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| 58 | MODULE PROCEDURE advec_u_up |
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| 59 | MODULE PROCEDURE advec_u_up_ij |
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| 60 | END INTERFACE advec_u_up |
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| 61 | |
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| 62 | CONTAINS |
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| 63 | |
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| 64 | |
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| 65 | !------------------------------------------------------------------------------! |
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[1682] | 66 | ! Description: |
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| 67 | ! ------------ |
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| 68 | !> Call for all grid points |
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[1] | 69 | !------------------------------------------------------------------------------! |
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| 70 | SUBROUTINE advec_u_up |
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| 71 | |
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[1320] | 72 | USE arrays_3d, & |
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| 73 | ONLY: ddzu, tend, u, v, w |
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[1] | 74 | |
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[1320] | 75 | USE control_parameters, & |
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| 76 | ONLY: u_gtrans, v_gtrans |
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| 77 | |
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| 78 | USE grid_variables, & |
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| 79 | ONLY: ddx, ddy |
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| 80 | |
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| 81 | USE indices, & |
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| 82 | ONLY: nxlu, nxr, nyn, nys, nzb_u_inner, nzt |
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| 83 | |
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| 84 | USE kinds |
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| 85 | |
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| 86 | |
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[1] | 87 | IMPLICIT NONE |
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| 88 | |
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[1682] | 89 | INTEGER(iwp) :: i !< |
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| 90 | INTEGER(iwp) :: j !< |
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| 91 | INTEGER(iwp) :: k !< |
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[1] | 92 | |
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[1682] | 93 | REAL(wp) :: ukomp !< |
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| 94 | REAL(wp) :: vkomp !< |
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| 95 | REAL(wp) :: wkomp !< |
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[1] | 96 | |
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[1320] | 97 | |
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[106] | 98 | DO i = nxlu, nxr |
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[1] | 99 | DO j = nys, nyn |
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| 100 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 101 | ! |
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| 102 | !-- x-direction |
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| 103 | ukomp = u(k,j,i) - u_gtrans |
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[1353] | 104 | IF ( ukomp > 0.0_wp ) THEN |
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[1320] | 105 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[1] | 106 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
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| 107 | ELSE |
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[1320] | 108 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[1] | 109 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
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| 110 | ENDIF |
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| 111 | ! |
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| 112 | !-- y-direction |
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[1353] | 113 | vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + & |
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[1] | 114 | v(k,j,i-1) + v(k,j+1,i-1) ) - v_gtrans |
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[1353] | 115 | IF ( vkomp > 0.0_wp ) THEN |
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[1320] | 116 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[1] | 117 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
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| 118 | ELSE |
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[1320] | 119 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[1] | 120 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
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| 121 | ENDIF |
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| 122 | ! |
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| 123 | !-- z-direction |
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[1353] | 124 | wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + & |
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[1] | 125 | w(k,j,i-1) + w(k-1,j,i-1) ) |
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[1353] | 126 | IF ( wkomp > 0.0_wp ) THEN |
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[1320] | 127 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[1] | 128 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
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| 129 | ELSE |
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[1320] | 130 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[1] | 131 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
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| 132 | ENDIF |
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| 133 | |
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| 134 | ENDDO |
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| 135 | ENDDO |
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| 136 | ENDDO |
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| 137 | |
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| 138 | END SUBROUTINE advec_u_up |
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| 139 | |
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| 140 | |
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| 141 | !------------------------------------------------------------------------------! |
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[1682] | 142 | ! Description: |
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| 143 | ! ------------ |
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| 144 | !> Call for grid point i,j |
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[1] | 145 | !------------------------------------------------------------------------------! |
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| 146 | SUBROUTINE advec_u_up_ij( i, j ) |
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| 147 | |
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[1320] | 148 | USE arrays_3d, & |
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| 149 | ONLY: ddzu, tend, u, v, w |
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[1] | 150 | |
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[1320] | 151 | USE control_parameters, & |
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| 152 | ONLY: u_gtrans, v_gtrans |
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| 153 | |
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| 154 | USE grid_variables, & |
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| 155 | ONLY: ddx, ddy |
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| 156 | |
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| 157 | USE indices, & |
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| 158 | ONLY: nzb_u_inner, nzt |
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| 159 | |
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| 160 | USE kinds |
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| 161 | |
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| 162 | |
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[1] | 163 | IMPLICIT NONE |
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| 164 | |
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[1682] | 165 | INTEGER(iwp) :: i !< |
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| 166 | INTEGER(iwp) :: j !< |
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| 167 | INTEGER(iwp) :: k !< |
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[1] | 168 | |
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[1682] | 169 | REAL(wp) :: ukomp !< |
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| 170 | REAL(wp) :: vkomp !< |
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| 171 | REAL(wp) :: wkomp !< |
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[1] | 172 | |
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| 173 | |
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| 174 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 175 | ! |
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| 176 | !-- x-direction |
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| 177 | ukomp = u(k,j,i) - u_gtrans |
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[1353] | 178 | IF ( ukomp > 0.0_wp ) THEN |
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[1320] | 179 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[1] | 180 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
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| 181 | ELSE |
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[1320] | 182 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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[1] | 183 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
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| 184 | ENDIF |
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| 185 | ! |
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| 186 | !-- y-direction |
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[1353] | 187 | vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + v(k,j,i-1) + v(k,j+1,i-1) & |
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[1] | 188 | ) - v_gtrans |
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[1353] | 189 | IF ( vkomp > 0.0_wp ) THEN |
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[1320] | 190 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[1] | 191 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
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| 192 | ELSE |
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[1320] | 193 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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[1] | 194 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
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| 195 | ENDIF |
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| 196 | ! |
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| 197 | !-- z-direction |
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[1353] | 198 | wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + w(k,j,i-1) + w(k-1,j,i-1) ) |
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| 199 | IF ( wkomp > 0.0_wp ) THEN |
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[1320] | 200 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[1] | 201 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
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| 202 | ELSE |
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[1320] | 203 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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[1] | 204 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
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| 205 | ENDIF |
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| 206 | |
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| 207 | ENDDO |
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| 208 | |
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| 209 | END SUBROUTINE advec_u_up_ij |
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| 210 | |
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| 211 | END MODULE advec_u_up_mod |
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