| 1 | MODULE advec_v_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 | ! j loop is starting from nysv (needed for non-cyclic boundary conditions) |
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| 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| 10 | ! $Id: advec_v_up.f90 106 2007-08-16 14:30:26Z letzel $ |
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| 11 | ! |
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| 12 | ! 75 2007-03-22 09:54:05Z raasch |
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| 13 | ! vynp eliminated |
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| 14 | ! |
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| 15 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 16 | ! |
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| 17 | ! Revision 1.12 2006/02/23 09:46:37 raasch |
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| 18 | ! nzb_2d replaced by nzb_v_inner |
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| 19 | ! |
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| 20 | ! Revision 1.1 1997/08/29 08:56:05 raasch |
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| 21 | ! Initial revision |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Description: |
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| 25 | ! ------------ |
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| 26 | ! Advection term for the v velocity-component using upstream scheme. |
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| 27 | ! NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
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| 28 | ! The same problem occurs for all topography boundaries! |
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| 29 | !------------------------------------------------------------------------------! |
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| 30 | |
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| 31 | PRIVATE |
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| 32 | PUBLIC advec_v_up |
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| 33 | |
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| 34 | INTERFACE advec_v_up |
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| 35 | MODULE PROCEDURE advec_v_up |
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| 36 | MODULE PROCEDURE advec_v_up_ij |
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| 37 | END INTERFACE advec_v_up |
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| 38 | |
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| 39 | CONTAINS |
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| 40 | |
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| 41 | |
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| 42 | !------------------------------------------------------------------------------! |
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| 43 | ! Call for all grid points |
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| 44 | !------------------------------------------------------------------------------! |
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| 45 | SUBROUTINE advec_v_up |
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| 46 | |
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| 47 | USE arrays_3d |
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| 48 | USE control_parameters |
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| 49 | USE grid_variables |
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| 50 | USE indices |
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| 51 | |
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| 52 | IMPLICIT NONE |
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| 53 | |
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| 54 | INTEGER :: i, j, k |
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| 55 | REAL :: ukomp, vkomp, wkomp |
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| 56 | |
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| 57 | |
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| 58 | DO i = nxl, nxr |
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| 59 | DO j = nysv, nyn |
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| 60 | DO k = nzb_v_inner(j,i)+1, nzt |
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| 61 | ! |
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| 62 | !-- x-direction |
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| 63 | ukomp = 0.25 * ( u(k,j,i) + u(k,j-1,i) + & |
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| 64 | u(k,j,i+1) + u(k,j-1,i+1) ) - u_gtrans |
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| 65 | IF ( ukomp > 0.0 ) THEN |
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| 66 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 67 | ( v(k,j,i) - v(k,j,i-1) ) * ddx |
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| 68 | ELSE |
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| 69 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 70 | ( v(k,j,i+1) - v(k,j,i) ) * ddx |
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| 71 | ENDIF |
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| 72 | ! |
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| 73 | !-- y-direction |
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| 74 | vkomp = v(k,j,i) - v_gtrans |
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| 75 | IF ( vkomp > 0.0 ) THEN |
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| 76 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 77 | ( v(k,j,i) - v(k,j-1,i) ) * ddy |
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| 78 | ELSE |
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| 79 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 80 | ( v(k,j+1,i) - v(k,j,i) ) * ddy |
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| 81 | ENDIF |
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| 82 | ! |
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| 83 | !-- z-direction |
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| 84 | wkomp = 0.25 * ( w(k,j,i) + w(k-1,j,i) + & |
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| 85 | w(k,j-1,i) + w(k-1,j-1,i) ) |
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| 86 | IF ( wkomp > 0.0 ) THEN |
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| 87 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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| 88 | ( v(k,j,i) - v(k-1,j,i) ) * ddzu(k) |
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| 89 | ELSE |
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| 90 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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| 91 | ( v(k+1,j,i) - v(k,j,i) ) * ddzu(k+1) |
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| 92 | ENDIF |
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| 93 | |
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| 94 | ENDDO |
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| 95 | ENDDO |
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| 96 | ENDDO |
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| 97 | |
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| 98 | END SUBROUTINE advec_v_up |
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| 99 | |
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| 100 | |
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| 101 | !------------------------------------------------------------------------------! |
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| 102 | ! Call for grid point i,j |
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| 103 | !------------------------------------------------------------------------------! |
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| 104 | SUBROUTINE advec_v_up_ij( i, j ) |
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| 105 | |
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| 106 | USE arrays_3d |
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| 107 | USE control_parameters |
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| 108 | USE grid_variables |
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| 109 | USE indices |
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| 110 | |
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| 111 | IMPLICIT NONE |
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| 112 | |
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| 113 | INTEGER :: i, j, k |
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| 114 | |
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| 115 | REAL :: ukomp, vkomp, wkomp |
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| 116 | |
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| 117 | |
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| 118 | DO k = nzb_v_inner(j,i)+1, nzt |
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| 119 | ! |
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| 120 | !-- x-direction |
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| 121 | ukomp = 0.25 * ( u(k,j,i) + u(k,j-1,i) + u(k,j,i+1) + u(k,j-1,i+1) & |
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| 122 | ) - u_gtrans |
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| 123 | IF ( ukomp > 0.0 ) THEN |
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| 124 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 125 | ( v(k,j,i) - v(k,j,i-1) ) * ddx |
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| 126 | ELSE |
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| 127 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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| 128 | ( v(k,j,i+1) - v(k,j,i) ) * ddx |
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| 129 | ENDIF |
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| 130 | ! |
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| 131 | !-- y-direction |
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| 132 | vkomp = v(k,j,i) - v_gtrans |
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| 133 | IF ( vkomp > 0.0 ) THEN |
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| 134 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 135 | ( v(k,j,i) - v(k,j-1,i) ) * ddy |
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| 136 | ELSE |
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| 137 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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| 138 | ( v(k,j+1,i) - v(k,j,i) ) * ddy |
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| 139 | ENDIF |
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| 140 | ! |
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| 141 | !-- z-direction |
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| 142 | wkomp = 0.25 * ( w(k,j,i) + w(k-1,j,i) + w(k,j-1,i) + w(k-1,j-1,i) ) |
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| 143 | IF ( wkomp > 0.0 ) THEN |
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| 144 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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| 145 | ( v(k,j,i) - v(k-1,j,i) ) * ddzu(k) |
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| 146 | ELSE |
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| 147 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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| 148 | ( v(k+1,j,i) - v(k,j,i) ) * ddzu(k+1) |
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| 149 | ENDIF |
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| 150 | |
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| 151 | ENDDO |
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| 152 | |
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| 153 | END SUBROUTINE advec_v_up_ij |
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| 154 | |
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| 155 | END MODULE advec_v_up_mod |
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