[1] | 1 | MODULE coriolis_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: coriolis.f90,v $ |
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| 11 | ! Revision 1.12 2006/02/23 10:08:57 raasch |
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| 12 | ! nzb_2d replaced by nzb_u/v/w_inner |
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| 13 | ! |
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| 14 | ! Revision 1.11 2005/06/29 10:30:17 steinfeld |
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| 15 | ! A potential dependency of the geostrophic wind components ug and vg on height |
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| 16 | ! is considered |
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| 17 | ! |
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| 18 | ! Revision 1.10 2005/03/26 20:02:04 raasch |
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| 19 | ! Extension of horizontal loop upper bounds for non-cyclic boundary conditions |
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| 20 | ! |
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| 21 | ! Revision 1.9 2004/01/30 10:17:34 raasch |
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| 22 | ! Scalar lower k index nzb replaced by 2d-array nzb_2d |
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| 23 | ! |
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| 24 | ! Revision 1.8 2003/03/12 16:23:47 raasch |
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| 25 | ! Full code replaced in the call for all gridpoints instead of calling the |
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| 26 | ! _ij version (required by NEC, because otherwise no vectorization) |
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| 27 | ! |
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| 28 | ! Revision 1.7 2002/12/19 14:08:14 raasch |
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| 29 | ! STOP statement replaced by call of subroutine local_stop |
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| 30 | ! |
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| 31 | ! Revision 1.6 2002/06/11 12:51:09 raasch |
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| 32 | ! Former subroutine changed to a module which allows to be called for all grid |
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| 33 | ! points of a single vertical column with index i,j or for all grid points by |
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| 34 | ! using function overloading. |
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| 35 | ! |
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| 36 | ! Revision 1.5 2001/03/30 06:59:09 raasch |
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| 37 | ! Translation of remaining German identifiers (variables, subroutines, etc.) |
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| 38 | ! |
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| 39 | ! Revision 1.4 2001/01/22 05:44:16 raasch |
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| 40 | ! Module test_variables removed |
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| 41 | ! |
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| 42 | ! Revision 1.3 2000/12/20 09:50:27 letzel |
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| 43 | ! All comments translated into English. |
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| 44 | ! |
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| 45 | ! Revision 1.2 1998/07/06 12:09:54 raasch |
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| 46 | ! + USE test_variables |
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| 47 | ! |
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| 48 | ! Revision 1.1 1997/08/29 08:57:38 raasch |
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| 49 | ! Initial revision |
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| 50 | ! |
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| 51 | ! |
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| 52 | ! Description: |
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| 53 | ! ------------ |
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| 54 | ! Computation of all Coriolis terms in the equations of motion. |
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| 55 | !------------------------------------------------------------------------------! |
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| 56 | |
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| 57 | PRIVATE |
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| 58 | PUBLIC coriolis |
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| 59 | |
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| 60 | INTERFACE coriolis |
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| 61 | MODULE PROCEDURE coriolis |
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| 62 | MODULE PROCEDURE coriolis_ij |
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| 63 | END INTERFACE coriolis |
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| 64 | |
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| 65 | CONTAINS |
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| 66 | |
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| 67 | |
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| 68 | !------------------------------------------------------------------------------! |
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| 69 | ! Call for all grid points |
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| 70 | !------------------------------------------------------------------------------! |
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| 71 | SUBROUTINE coriolis( component ) |
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| 72 | |
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| 73 | USE arrays_3d |
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| 74 | USE control_parameters |
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| 75 | USE indices |
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| 76 | USE pegrid |
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| 77 | |
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| 78 | IMPLICIT NONE |
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| 79 | |
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| 80 | INTEGER :: component, i, j, k |
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| 81 | |
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| 82 | |
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| 83 | ! |
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| 84 | !-- Compute Coriolis terms for the three velocity components |
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| 85 | SELECT CASE ( component ) |
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| 86 | |
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| 87 | ! |
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| 88 | !-- u-component |
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| 89 | CASE ( 1 ) |
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| 90 | DO i = nxl, nxr+uxrp |
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| 91 | DO j = nys, nyn |
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| 92 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 93 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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| 94 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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| 95 | v(k,j+1,i) ) - vg(k) ) & |
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| 96 | - fs * ( 0.25 * & |
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| 97 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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| 98 | w(k,j,i) ) & |
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| 99 | ) |
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| 100 | ENDDO |
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| 101 | ENDDO |
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| 102 | ENDDO |
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| 103 | |
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| 104 | ! |
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| 105 | !-- v-component |
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| 106 | CASE ( 2 ) |
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| 107 | DO i = nxl, nxr |
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| 108 | DO j = nys, nyn+vynp |
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| 109 | DO k = nzb_v_inner(j,i)+1, nzt |
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| 110 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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| 111 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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| 112 | u(k,j,i+1) ) - ug(k) ) |
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| 113 | ENDDO |
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| 114 | ENDDO |
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| 115 | ENDDO |
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| 116 | |
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| 117 | ! |
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| 118 | !-- w-component |
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| 119 | CASE ( 3 ) |
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| 120 | DO i = nxl, nxr |
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| 121 | DO j = nys, nyn |
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| 122 | DO k = nzb_w_inner(j,i)+1, nzt |
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| 123 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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| 124 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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| 125 | u(k+1,j,i+1) ) |
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| 126 | ENDDO |
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| 127 | ENDDO |
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| 128 | ENDDO |
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| 129 | |
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| 130 | CASE DEFAULT |
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| 131 | |
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| 132 | IF ( myid == 0 ) PRINT*,'+++ coriolis: wrong component: ', & |
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| 133 | component |
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| 134 | CALL local_stop |
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| 135 | |
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| 136 | END SELECT |
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| 137 | |
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| 138 | END SUBROUTINE coriolis |
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| 139 | |
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| 140 | |
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| 141 | !------------------------------------------------------------------------------! |
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| 142 | ! Call for grid point i,j |
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| 143 | !------------------------------------------------------------------------------! |
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| 144 | SUBROUTINE coriolis_ij( i, j, component ) |
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| 145 | |
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| 146 | USE arrays_3d |
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| 147 | USE control_parameters |
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| 148 | USE indices |
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| 149 | USE pegrid |
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| 150 | |
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| 151 | IMPLICIT NONE |
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| 152 | |
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| 153 | INTEGER :: component, i, j, k |
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| 154 | |
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| 155 | ! |
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| 156 | !-- Compute Coriolis terms for the three velocity components |
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| 157 | SELECT CASE ( component ) |
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| 158 | |
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| 159 | ! |
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| 160 | !-- u-component |
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| 161 | CASE ( 1 ) |
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| 162 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 163 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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| 164 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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| 165 | v(k,j+1,i) ) - vg(k) ) & |
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| 166 | - fs * ( 0.25 * & |
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| 167 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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| 168 | w(k,j,i) ) & |
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| 169 | ) |
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| 170 | ENDDO |
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| 171 | |
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| 172 | ! |
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| 173 | !-- v-component |
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| 174 | CASE ( 2 ) |
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| 175 | DO k = nzb_v_inner(j,i)+1, nzt |
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| 176 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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| 177 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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| 178 | u(k,j,i+1) ) - ug(k) ) |
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| 179 | ENDDO |
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| 180 | |
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| 181 | ! |
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| 182 | !-- w-component |
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| 183 | CASE ( 3 ) |
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| 184 | DO k = nzb_w_inner(j,i)+1, nzt |
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| 185 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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| 186 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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| 187 | u(k+1,j,i+1) ) |
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| 188 | ENDDO |
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| 189 | |
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| 190 | CASE DEFAULT |
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| 191 | |
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| 192 | IF ( myid == 0 ) PRINT*,'+++ coriolis: wrong component: ', & |
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| 193 | component |
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| 194 | CALL local_stop |
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| 195 | |
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| 196 | END SELECT |
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| 197 | |
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| 198 | END SUBROUTINE coriolis_ij |
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| 199 | |
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| 200 | END MODULE coriolis_mod |
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