| 1 | !> @file advec_w_up.f90 |
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| 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 |
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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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| 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 1997-2017 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: advec_w_up.f90 2101 2017-01-05 16:42:31Z raasch $ |
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| 27 | ! |
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| 28 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 29 | ! Forced header and separation lines into 80 columns |
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| 30 | ! |
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| 31 | ! 1873 2016-04-18 14:50:06Z maronga |
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| 32 | ! Module renamed (removed _mod) |
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| 33 | ! |
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| 34 | ! |
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| 35 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 36 | ! Module renamed |
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| 37 | ! |
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| 38 | ! |
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| 39 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 40 | ! Code annotations made doxygen readable |
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| 41 | ! |
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| 42 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 43 | ! REAL constants provided with KIND-attribute |
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| 44 | ! |
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| 45 | ! 1320 2014-03-20 08:40:49Z raasch |
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| 46 | ! ONLY-attribute added to USE-statements, |
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| 47 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 48 | ! kinds are defined in new module kinds, |
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| 49 | ! revision history before 2012 removed, |
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| 50 | ! comment fields (!:) to be used for variable explanations added to |
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| 51 | ! all variable declaration statements |
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| 52 | ! |
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| 53 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 54 | ! code put under GPL (PALM 3.9) |
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| 55 | ! |
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| 56 | ! Revision 1.1 1997/08/29 08:56:33 raasch |
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| 57 | ! Initial revision |
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| 58 | ! |
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| 59 | ! |
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| 60 | ! Description: |
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| 61 | ! ------------ |
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| 62 | !> Advection term for the w velocity-component using upstream scheme. |
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| 63 | !> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0 |
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| 64 | !> The same problem occurs for all topography boundaries! |
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| 65 | !------------------------------------------------------------------------------! |
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| 66 | MODULE advec_w_up_mod |
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| 67 | |
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| 68 | |
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| 69 | PRIVATE |
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| 70 | PUBLIC advec_w_up |
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| 71 | |
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| 72 | INTERFACE advec_w_up |
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| 73 | MODULE PROCEDURE advec_w_up |
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| 74 | MODULE PROCEDURE advec_w_up_ij |
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| 75 | END INTERFACE advec_w_up |
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| 76 | |
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| 77 | CONTAINS |
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| 78 | |
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| 79 | |
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| 80 | !------------------------------------------------------------------------------! |
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| 81 | ! Description: |
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| 82 | ! ------------ |
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| 83 | !> Call for all grid points |
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| 84 | !------------------------------------------------------------------------------! |
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| 85 | SUBROUTINE advec_w_up |
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| 86 | |
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| 87 | USE arrays_3d, & |
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| 88 | ONLY: ddzw, tend, u, v, w |
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| 89 | |
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| 90 | USE control_parameters, & |
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| 91 | ONLY: u_gtrans, v_gtrans |
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| 92 | |
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| 93 | USE grid_variables, & |
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| 94 | ONLY: ddx, ddy |
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| 95 | |
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| 96 | USE indices, & |
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| 97 | ONLY: nxl, nxr, nyn, nys, nzb_w_inner, nzt |
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| 98 | |
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| 99 | USE kinds |
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| 100 | |
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| 101 | |
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| 102 | IMPLICIT NONE |
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| 103 | |
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| 104 | INTEGER(iwp) :: i !< |
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| 105 | INTEGER(iwp) :: j !< |
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| 106 | INTEGER(iwp) :: k !< |
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| 107 | |
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| 108 | REAL(wp) :: ukomp !< |
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| 109 | REAL(wp) :: vkomp !< |
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| 110 | |
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| 111 | |
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| 112 | DO i = nxl, nxr |
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| 113 | DO j = nys, nyn |
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| 114 | DO k = nzb_w_inner(j,i)+1, nzt-1 |
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| 115 | ! |
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| 116 | !-- x-direction |
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| 117 | ukomp = 0.25_wp * ( u(k,j,i) + u(k,j,i+1) + & |
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| 118 | u(k+1,j,i) + u(k+1,j,i+1) ) - u_gtrans |
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| 119 | IF ( ukomp > 0.0_wp ) THEN |
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| 120 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 121 | ( w(k,j,i) - w(k,j,i-1) ) * ddx |
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| 122 | ELSE |
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| 123 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 124 | ( w(k,j,i+1) - w(k,j,i) ) * ddx |
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| 125 | ENDIF |
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| 126 | ! |
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| 127 | !-- y-direction |
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| 128 | vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + & |
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| 129 | v(k+1,j,i) + v(k+1,j+1,i) ) - v_gtrans |
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| 130 | IF ( vkomp > 0.0_wp ) THEN |
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| 131 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 132 | ( w(k,j,i) - w(k,j-1,i) ) * ddy |
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| 133 | ELSE |
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| 134 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 135 | ( w(k,j+1,i) - w(k,j,i) ) * ddy |
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| 136 | ENDIF |
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| 137 | ! |
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| 138 | !-- z-direction |
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| 139 | IF ( w(k,j,i) > 0.0_wp ) THEN |
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| 140 | tend(k,j,i) = tend(k,j,i) - w(k,j,i) * & |
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| 141 | ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
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| 142 | ELSE |
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| 143 | tend(k,j,i) = tend(k,j,i) - w(k,j,i) * & |
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| 144 | ( w(k+1,j,i) - w(k,j,i) ) * ddzw(k+1) |
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| 145 | ENDIF |
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| 146 | |
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| 147 | ENDDO |
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| 148 | ENDDO |
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| 149 | ENDDO |
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| 150 | |
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| 151 | END SUBROUTINE advec_w_up |
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| 152 | |
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| 153 | |
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| 154 | !------------------------------------------------------------------------------! |
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| 155 | ! Description: |
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| 156 | ! ------------ |
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| 157 | !> Call for grid point i,j |
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| 158 | !------------------------------------------------------------------------------! |
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| 159 | SUBROUTINE advec_w_up_ij( i, j ) |
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| 160 | |
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| 161 | USE arrays_3d, & |
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| 162 | ONLY: ddzw, tend, u, v, w |
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| 163 | |
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| 164 | USE control_parameters, & |
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| 165 | ONLY: u_gtrans, v_gtrans |
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| 166 | |
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| 167 | USE grid_variables, & |
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| 168 | ONLY: ddx, ddy |
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| 169 | |
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| 170 | USE indices, & |
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| 171 | ONLY: nzb_w_inner, nzt |
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| 172 | |
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| 173 | USE kinds |
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| 174 | |
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| 175 | |
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| 176 | IMPLICIT NONE |
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| 177 | |
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| 178 | INTEGER(iwp) :: i !< |
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| 179 | INTEGER(iwp) :: j !< |
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| 180 | INTEGER(iwp) :: k !< |
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| 181 | |
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| 182 | REAL(wp) :: ukomp !< |
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| 183 | REAL(wp) :: vkomp !< |
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| 184 | |
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| 185 | |
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| 186 | DO k = nzb_w_inner(j,i)+1, nzt-1 |
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| 187 | ! |
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| 188 | !-- x-direction |
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| 189 | ukomp = 0.25_wp * ( u(k,j,i) + u(k,j,i+1) + u(k+1,j,i) + u(k+1,j,i+1) & |
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| 190 | ) - u_gtrans |
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| 191 | IF ( ukomp > 0.0_wp ) THEN |
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| 192 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 193 | ( w(k,j,i) - w(k,j,i-1) ) * ddx |
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| 194 | ELSE |
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| 195 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 196 | ( w(k,j,i+1) - w(k,j,i) ) * ddx |
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| 197 | ENDIF |
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| 198 | ! |
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| 199 | !-- y-direction |
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| 200 | vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + v(k+1,j,i) + v(k+1,j+1,i) & |
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| 201 | ) - v_gtrans |
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| 202 | IF ( vkomp > 0.0_wp ) THEN |
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| 203 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 204 | ( w(k,j,i) - w(k,j-1,i) ) * ddy |
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| 205 | ELSE |
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| 206 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 207 | ( w(k,j+1,i) - w(k,j,i) ) * ddy |
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| 208 | ENDIF |
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| 209 | ! |
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| 210 | !-- z-direction |
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| 211 | IF ( w(k,j,i) > 0.0_wp ) THEN |
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| 212 | tend(k,j,i) = tend(k,j,i) - w(k,j,i) * & |
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| 213 | ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
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| 214 | ELSE |
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| 215 | tend(k,j,i) = tend(k,j,i) - w(k,j,i) * & |
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| 216 | ( w(k+1,j,i) - w(k,j,i) ) * ddzw(k+1) |
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| 217 | ENDIF |
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| 218 | |
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| 219 | ENDDO |
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| 220 | |
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| 221 | END SUBROUTINE advec_w_up_ij |
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| 222 | |
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| 223 | END MODULE advec_w_up_mod |
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