| [1] | 1 | MODULE advec_u_up_mod |
|---|
| 2 | |
|---|
| 3 | !------------------------------------------------------------------------------! |
|---|
| 4 | ! Actual revisions: |
|---|
| 5 | ! ----------------- |
|---|
| 6 | ! |
|---|
| 7 | ! |
|---|
| 8 | ! Former revisions: |
|---|
| 9 | ! ----------------- |
|---|
| [3] | 10 | ! $Id: advec_u_up.f90 4 2007-02-13 11:33:16Z raasch $ |
|---|
| 11 | ! RCS Log replace by Id keyword, revision history cleaned up |
|---|
| 12 | ! |
|---|
| [1] | 13 | ! Revision 1.12 2006/02/23 09:45:04 raasch |
|---|
| 14 | ! nzb_2d replaced by nzb_u_inner |
|---|
| 15 | ! |
|---|
| 16 | ! Revision 1.1 1997/08/29 08:55:25 raasch |
|---|
| 17 | ! Initial revision |
|---|
| 18 | ! |
|---|
| 19 | ! |
|---|
| 20 | ! Description: |
|---|
| 21 | ! ------------ |
|---|
| 22 | ! Advection term for the u velocity-component using upstream scheme. |
|---|
| 23 | ! NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
|---|
| 24 | ! The same problem occurs for all topography boundaries! |
|---|
| 25 | !------------------------------------------------------------------------------! |
|---|
| 26 | |
|---|
| 27 | PRIVATE |
|---|
| 28 | PUBLIC advec_u_up |
|---|
| 29 | |
|---|
| 30 | INTERFACE advec_u_up |
|---|
| 31 | MODULE PROCEDURE advec_u_up |
|---|
| 32 | MODULE PROCEDURE advec_u_up_ij |
|---|
| 33 | END INTERFACE advec_u_up |
|---|
| 34 | |
|---|
| 35 | CONTAINS |
|---|
| 36 | |
|---|
| 37 | |
|---|
| 38 | !------------------------------------------------------------------------------! |
|---|
| 39 | ! Call for all grid points |
|---|
| 40 | !------------------------------------------------------------------------------! |
|---|
| 41 | SUBROUTINE advec_u_up |
|---|
| 42 | |
|---|
| 43 | USE arrays_3d |
|---|
| 44 | USE control_parameters |
|---|
| 45 | USE grid_variables |
|---|
| 46 | USE indices |
|---|
| 47 | |
|---|
| 48 | IMPLICIT NONE |
|---|
| 49 | |
|---|
| 50 | INTEGER :: i, j, k |
|---|
| 51 | |
|---|
| 52 | REAL :: ukomp, vkomp, wkomp |
|---|
| 53 | |
|---|
| 54 | |
|---|
| 55 | DO i = nxl, nxr+uxrp |
|---|
| 56 | DO j = nys, nyn |
|---|
| 57 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 58 | ! |
|---|
| 59 | !-- x-direction |
|---|
| 60 | ukomp = u(k,j,i) - u_gtrans |
|---|
| 61 | IF ( ukomp > 0.0 ) THEN |
|---|
| 62 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 63 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
|---|
| 64 | ELSE |
|---|
| 65 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 66 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 67 | ENDIF |
|---|
| 68 | ! |
|---|
| 69 | !-- y-direction |
|---|
| 70 | vkomp = 0.25 * ( v(k,j,i) + v(k,j+1,i) + & |
|---|
| 71 | v(k,j,i-1) + v(k,j+1,i-1) ) - v_gtrans |
|---|
| 72 | IF ( vkomp > 0.0 ) THEN |
|---|
| 73 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 74 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
|---|
| 75 | ELSE |
|---|
| 76 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 77 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
|---|
| 78 | ENDIF |
|---|
| 79 | ! |
|---|
| 80 | !-- z-direction |
|---|
| 81 | wkomp = 0.25 * ( w(k,j,i) + w(k-1,j,i) + & |
|---|
| 82 | w(k,j,i-1) + w(k-1,j,i-1) ) |
|---|
| 83 | IF ( wkomp > 0.0 ) THEN |
|---|
| 84 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 85 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
|---|
| 86 | ELSE |
|---|
| 87 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 88 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
|---|
| 89 | ENDIF |
|---|
| 90 | |
|---|
| 91 | ENDDO |
|---|
| 92 | ENDDO |
|---|
| 93 | ENDDO |
|---|
| 94 | |
|---|
| 95 | END SUBROUTINE advec_u_up |
|---|
| 96 | |
|---|
| 97 | |
|---|
| 98 | !------------------------------------------------------------------------------! |
|---|
| 99 | ! Call for grid point i,j |
|---|
| 100 | !------------------------------------------------------------------------------! |
|---|
| 101 | SUBROUTINE advec_u_up_ij( i, j ) |
|---|
| 102 | |
|---|
| 103 | USE arrays_3d |
|---|
| 104 | USE control_parameters |
|---|
| 105 | USE grid_variables |
|---|
| 106 | USE indices |
|---|
| 107 | |
|---|
| 108 | IMPLICIT NONE |
|---|
| 109 | |
|---|
| 110 | INTEGER :: i, j, k |
|---|
| 111 | |
|---|
| 112 | REAL :: ukomp, vkomp, wkomp |
|---|
| 113 | |
|---|
| 114 | |
|---|
| 115 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 116 | ! |
|---|
| 117 | !-- x-direction |
|---|
| 118 | ukomp = u(k,j,i) - u_gtrans |
|---|
| 119 | IF ( ukomp > 0.0 ) THEN |
|---|
| 120 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 121 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
|---|
| 122 | ELSE |
|---|
| 123 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 124 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 125 | ENDIF |
|---|
| 126 | ! |
|---|
| 127 | !-- y-direction |
|---|
| 128 | vkomp = 0.25 * ( v(k,j,i) + v(k,j+1,i) + v(k,j,i-1) + v(k,j+1,i-1) & |
|---|
| 129 | ) - v_gtrans |
|---|
| 130 | IF ( vkomp > 0.0 ) THEN |
|---|
| 131 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 132 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
|---|
| 133 | ELSE |
|---|
| 134 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 135 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
|---|
| 136 | ENDIF |
|---|
| 137 | ! |
|---|
| 138 | !-- z-direction |
|---|
| 139 | wkomp = 0.25 * ( w(k,j,i) + w(k-1,j,i) + w(k,j,i-1) + w(k-1,j,i-1) ) |
|---|
| 140 | IF ( wkomp > 0.0 ) THEN |
|---|
| 141 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 142 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
|---|
| 143 | ELSE |
|---|
| 144 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 145 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
|---|
| 146 | ENDIF |
|---|
| 147 | |
|---|
| 148 | ENDDO |
|---|
| 149 | |
|---|
| 150 | END SUBROUTINE advec_u_up_ij |
|---|
| 151 | |
|---|
| 152 | END MODULE advec_u_up_mod |
|---|
