[1] | 1 | MODULE advec_s_pw_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_s_pw.f90,v $ |
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| 11 | ! Revision 1.12 2006/02/23 09:42:55 raasch |
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| 12 | ! nzb_2d replaced by nzb_s_inner |
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| 13 | ! |
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| 14 | ! Revision 1.11 2004/01/30 10:10:03 raasch |
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| 15 | ! Scalar lower k index nzb replaced by 2d-array nzb_2d |
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| 16 | ! |
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| 17 | ! Revision 1.10 2003/03/12 16:15:32 raasch |
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| 18 | ! Full code replaced in the call for all gridpoints instead of calling the |
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| 19 | ! _ij version (required by NEC, because otherwise no vectorization) |
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| 20 | ! |
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| 21 | ! Revision 1.9 2002/06/11 12:22:14 raasch |
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| 22 | ! Former subroutine changed to a module which allows to be called for all grid |
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| 23 | ! points of a single vertical column with index i,j or for all grid points by |
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| 24 | ! using function overloading. |
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| 25 | ! Array sk now declared as a pointer. |
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| 26 | ! |
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| 27 | ! Revision 1.8 2001/03/29 17:30:14 raasch |
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| 28 | ! Translation of remaining German identifiers (variables, subroutines, etc.) |
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| 29 | ! |
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| 30 | ! Revision 1.7 2001/01/22 04:41:39 raasch |
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| 31 | ! Module test_variables removed |
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| 32 | ! |
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| 33 | ! Revision 1.6 2000/01/20 09:13:33 letzel |
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| 34 | ! All comments translated into English |
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| 35 | ! |
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| 36 | ! Revision 1.5 1998/07/06 12:03:09 raasch |
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| 37 | ! + USE test_variables |
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| 38 | ! |
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| 39 | ! Revision 1.4 1998/04/21 15:51:53 raasch |
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| 40 | ! Galilei-Transformation eingebaut |
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| 41 | ! |
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| 42 | ! Revision 1.3 1998/02/10 14:57:53 raasch |
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| 43 | ! Es wird jetzt grundsaetzlich die Form C3 verwendet |
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| 44 | ! |
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| 45 | ! Revision 1.2 1997/09/09 08:27:10 raasch |
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| 46 | ! Kehrwerte der Gitterweiten implementiert |
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| 47 | ! |
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| 48 | ! Revision 1.1 1997/08/29 08:54:20 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 | ! Advection term for scalar variables using the Piacsek and Williams scheme |
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| 55 | ! (form C3). Contrary to PW itself, for reasons of accuracy their scheme is |
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| 56 | ! slightly modified as follows: the values of those scalars that are used for |
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| 57 | ! the computation of the flux divergence are reduced by the value of the |
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| 58 | ! relevant scalar at the location where the difference is computed (sk(k,j,i)). |
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| 59 | ! NOTE: at the first grid point above the surface computation still takes place! |
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| 60 | !------------------------------------------------------------------------------! |
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| 61 | |
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| 62 | PRIVATE |
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| 63 | PUBLIC advec_s_pw |
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| 64 | |
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| 65 | INTERFACE advec_s_pw |
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| 66 | MODULE PROCEDURE advec_s_pw |
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| 67 | MODULE PROCEDURE advec_s_pw_ij |
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| 68 | END INTERFACE |
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| 69 | |
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| 70 | CONTAINS |
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| 71 | |
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| 72 | |
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| 73 | !------------------------------------------------------------------------------! |
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| 74 | ! Call for all grid points |
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| 75 | !------------------------------------------------------------------------------! |
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| 76 | SUBROUTINE advec_s_pw( sk ) |
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| 77 | |
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| 78 | USE arrays_3d |
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| 79 | USE control_parameters |
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| 80 | USE grid_variables |
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| 81 | USE indices |
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| 82 | |
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| 83 | IMPLICIT NONE |
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| 84 | |
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| 85 | INTEGER :: i, j, k |
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| 86 | |
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| 87 | REAL, DIMENSION(:,:,:), POINTER :: sk |
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| 88 | |
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| 89 | |
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| 90 | DO i = nxl, nxr |
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| 91 | DO j = nys, nyn |
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| 92 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 93 | tend(k,j,i) = tend(k,j,i) & |
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| 94 | -0.5 * ( ( u(k,j,i+1) - u_gtrans ) * ( sk(k,j,i+1) - sk(k,j,i) ) & |
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| 95 | - ( u(k,j,i) - u_gtrans ) * ( sk(k,j,i-1) - sk(k,j,i) ) & |
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| 96 | ) * ddx & |
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| 97 | -0.5 * ( ( v(k,j+1,i) - v_gtrans ) * ( sk(k,j+1,i) - sk(k,j,i) ) & |
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| 98 | - ( v(k,j,i) - v_gtrans ) * ( sk(k,j-1,i) - sk(k,j,i) ) & |
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| 99 | ) * ddy & |
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| 100 | - ( w(k,j,i) * ( sk(k+1,j,i) - sk(k,j,i) ) & |
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| 101 | - w(k-1,j,i) * ( sk(k-1,j,i) - sk(k,j,i) ) & |
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| 102 | ) * dd2zu(k) |
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| 103 | ENDDO |
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| 104 | ENDDO |
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| 105 | ENDDO |
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| 106 | |
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| 107 | END SUBROUTINE advec_s_pw |
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| 108 | |
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| 109 | |
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| 110 | !------------------------------------------------------------------------------! |
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| 111 | ! Call for grid point i,j |
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| 112 | !------------------------------------------------------------------------------! |
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| 113 | SUBROUTINE advec_s_pw_ij( i, j, sk ) |
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| 114 | |
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| 115 | USE arrays_3d |
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| 116 | USE control_parameters |
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| 117 | USE grid_variables |
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| 118 | USE indices |
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| 119 | |
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| 120 | IMPLICIT NONE |
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| 121 | |
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| 122 | INTEGER :: i, j, k |
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| 123 | |
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| 124 | REAL, DIMENSION(:,:,:), POINTER :: sk |
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| 125 | |
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| 126 | |
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| 127 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 128 | tend(k,j,i) = tend(k,j,i) & |
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| 129 | -0.5 * ( ( u(k,j,i+1) - u_gtrans ) * ( sk(k,j,i+1) - sk(k,j,i) ) & |
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| 130 | - ( u(k,j,i) - u_gtrans ) * ( sk(k,j,i-1) - sk(k,j,i) ) & |
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| 131 | ) * ddx & |
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| 132 | -0.5 * ( ( v(k,j+1,i) - v_gtrans ) * ( sk(k,j+1,i) - sk(k,j,i) ) & |
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| 133 | - ( v(k,j,i) - v_gtrans ) * ( sk(k,j-1,i) - sk(k,j,i) ) & |
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| 134 | ) * ddy & |
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| 135 | - ( w(k,j,i) * ( sk(k+1,j,i) - sk(k,j,i) ) & |
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| 136 | - w(k-1,j,i) * ( sk(k-1,j,i) - sk(k,j,i) ) & |
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| 137 | ) * dd2zu(k) |
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| 138 | ENDDO |
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| 139 | |
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| 140 | END SUBROUTINE advec_s_pw_ij |
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| 141 | |
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| 142 | END MODULE advec_s_pw_mod |
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