[1] | 1 | MODULE advec_u_up_mod |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Actual revisions: |
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| 5 | ! ----------------- |
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| 6 | ! |
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| 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| 10 | ! $Log: advec_u_up.f90,v $ |
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| 11 | ! Revision 1.12 2006/02/23 09:45:04 raasch |
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| 12 | ! nzb_2d replaced by nzb_u_inner |
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| 13 | ! |
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| 14 | ! Revision 1.11 2005/03/26 14:50:43 raasch |
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| 15 | ! Extension of horizontal loop upper bounds for non-cyclic boundary conditions |
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| 16 | ! |
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| 17 | ! Revision 1.10 2004/01/30 10:11:47 raasch |
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| 18 | ! Scalar lower k index nzb replaced by 2d-array nzb_2d |
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| 19 | ! |
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| 20 | ! Revision 1.9 2003/03/12 16:17:42 raasch |
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| 21 | ! Full code replaced in the call for all gridpoints instead of calling the |
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| 22 | ! _ij version (required by NEC, because otherwise no vectorization) |
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| 23 | ! |
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| 24 | ! Revision 1.8 2002/06/11 12:25:43 raasch |
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| 25 | ! Former subroutine changed to a module which allows to be called for all grid |
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| 26 | ! points of a single vertical column with index i,j or for all grid points by |
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| 27 | ! using function overloading. |
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| 28 | ! |
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| 29 | ! Revision 1.7 2001/03/29 17:35:08 raasch |
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| 30 | ! Translation of remaining German identifiers (variables, subroutines, etc.) |
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| 31 | ! |
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| 32 | ! Revision 1.6 2001/01/22 04:57:23 raasch |
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| 33 | ! Module test_variables removed |
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| 34 | ! |
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| 35 | ! Revision 1.5 2000/01/20 09:40:00 letzel |
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| 36 | ! All comments translated into English |
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| 37 | ! |
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| 38 | ! Revision 1.4 1998/07/06 12:04:43 raasch |
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| 39 | ! + USE test_variables |
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| 40 | ! |
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| 41 | ! Revision 1.3 1998/04/21 15:52:51 raasch |
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| 42 | ! Galilei-Transformation eingebaut |
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| 43 | ! |
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| 44 | ! Revision 1.2 1997/09/09 08:27:49 raasch |
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| 45 | ! Kehrwerte der Gitterweiten implementiert |
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| 46 | ! |
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| 47 | ! Revision 1.1 1997/08/29 08:55:25 raasch |
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| 48 | ! Initial revision |
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| 49 | ! |
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| 50 | ! |
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| 51 | ! Description: |
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| 52 | ! ------------ |
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| 53 | ! Advection term for the u velocity-component using upstream scheme. |
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| 54 | ! NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
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| 55 | ! The same problem occurs for all topography boundaries! |
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| 56 | !------------------------------------------------------------------------------! |
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| 57 | |
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| 58 | PRIVATE |
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| 59 | PUBLIC advec_u_up |
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| 60 | |
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| 61 | INTERFACE advec_u_up |
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| 62 | MODULE PROCEDURE advec_u_up |
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| 63 | MODULE PROCEDURE advec_u_up_ij |
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| 64 | END INTERFACE advec_u_up |
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| 65 | |
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| 66 | CONTAINS |
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| 67 | |
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| 68 | |
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| 69 | !------------------------------------------------------------------------------! |
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| 70 | ! Call for all grid points |
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| 71 | !------------------------------------------------------------------------------! |
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| 72 | SUBROUTINE advec_u_up |
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| 73 | |
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| 74 | USE arrays_3d |
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| 75 | USE control_parameters |
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| 76 | USE grid_variables |
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| 77 | USE indices |
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| 78 | |
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| 79 | IMPLICIT NONE |
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| 80 | |
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| 81 | INTEGER :: i, j, k |
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| 82 | |
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| 83 | REAL :: ukomp, vkomp, wkomp |
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| 84 | |
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| 85 | |
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| 86 | DO i = nxl, nxr+uxrp |
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| 87 | DO j = nys, nyn |
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| 88 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 89 | ! |
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| 90 | !-- x-direction |
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| 91 | ukomp = u(k,j,i) - u_gtrans |
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| 92 | IF ( ukomp > 0.0 ) THEN |
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| 93 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 94 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
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| 95 | ELSE |
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| 96 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 97 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
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| 98 | ENDIF |
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| 99 | ! |
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| 100 | !-- y-direction |
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| 101 | vkomp = 0.25 * ( v(k,j,i) + v(k,j+1,i) + & |
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| 102 | v(k,j,i-1) + v(k,j+1,i-1) ) - v_gtrans |
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| 103 | IF ( vkomp > 0.0 ) THEN |
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| 104 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 105 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
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| 106 | ELSE |
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| 107 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 108 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
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| 109 | ENDIF |
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| 110 | ! |
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| 111 | !-- z-direction |
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| 112 | wkomp = 0.25 * ( w(k,j,i) + w(k-1,j,i) + & |
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| 113 | w(k,j,i-1) + w(k-1,j,i-1) ) |
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| 114 | IF ( wkomp > 0.0 ) THEN |
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| 115 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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| 116 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
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| 117 | ELSE |
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| 118 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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| 119 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
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| 120 | ENDIF |
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| 121 | |
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| 122 | ENDDO |
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| 123 | ENDDO |
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| 124 | ENDDO |
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| 125 | |
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| 126 | END SUBROUTINE advec_u_up |
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| 127 | |
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| 128 | |
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| 129 | !------------------------------------------------------------------------------! |
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| 130 | ! Call for grid point i,j |
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| 131 | !------------------------------------------------------------------------------! |
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| 132 | SUBROUTINE advec_u_up_ij( i, j ) |
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| 133 | |
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| 134 | USE arrays_3d |
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| 135 | USE control_parameters |
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| 136 | USE grid_variables |
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| 137 | USE indices |
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| 138 | |
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| 139 | IMPLICIT NONE |
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| 140 | |
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| 141 | INTEGER :: i, j, k |
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| 142 | |
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| 143 | REAL :: ukomp, vkomp, wkomp |
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| 144 | |
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| 145 | |
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| 146 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 147 | ! |
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| 148 | !-- x-direction |
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| 149 | ukomp = u(k,j,i) - u_gtrans |
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| 150 | IF ( ukomp > 0.0 ) THEN |
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| 151 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 152 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
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| 153 | ELSE |
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| 154 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 155 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
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| 156 | ENDIF |
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| 157 | ! |
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| 158 | !-- y-direction |
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| 159 | vkomp = 0.25 * ( v(k,j,i) + v(k,j+1,i) + v(k,j,i-1) + v(k,j+1,i-1) & |
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| 160 | ) - v_gtrans |
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| 161 | IF ( vkomp > 0.0 ) THEN |
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| 162 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 163 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
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| 164 | ELSE |
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| 165 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 166 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
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| 167 | ENDIF |
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| 168 | ! |
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| 169 | !-- z-direction |
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| 170 | wkomp = 0.25 * ( w(k,j,i) + w(k-1,j,i) + w(k,j,i-1) + w(k-1,j,i-1) ) |
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| 171 | IF ( wkomp > 0.0 ) THEN |
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| 172 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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| 173 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
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| 174 | ELSE |
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| 175 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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| 176 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
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| 177 | ENDIF |
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| 178 | |
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| 179 | ENDDO |
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| 180 | |
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| 181 | END SUBROUTINE advec_u_up_ij |
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| 182 | |
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| 183 | END MODULE advec_u_up_mod |
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