| [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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| [39] | 6 | ! |
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| [1] | 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| [3] | 10 | ! $Id: advec_s_pw.f90 39 2007-03-01 12:46:59Z raasch $ |
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| [39] | 11 | ! |
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| 12 | ! 19 2007-02-23 04:53:48Z raasch |
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| 13 | ! Calculation extended for gridpoint nzt |
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| 14 | ! |
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| [3] | 15 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 16 | ! |
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| [1] | 17 | ! Revision 1.12 2006/02/23 09:42:55 raasch |
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| 18 | ! nzb_2d replaced by nzb_s_inner |
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| 19 | ! |
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| 20 | ! Revision 1.1 1997/08/29 08:54:20 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 scalar variables using the Piacsek and Williams scheme |
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| 27 | ! (form C3). Contrary to PW itself, for reasons of accuracy their scheme is |
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| 28 | ! slightly modified as follows: the values of those scalars that are used for |
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| 29 | ! the computation of the flux divergence are reduced by the value of the |
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| 30 | ! relevant scalar at the location where the difference is computed (sk(k,j,i)). |
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| 31 | ! NOTE: at the first grid point above the surface computation still takes place! |
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| 32 | !------------------------------------------------------------------------------! |
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| 33 | |
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| 34 | PRIVATE |
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| 35 | PUBLIC advec_s_pw |
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| 36 | |
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| 37 | INTERFACE advec_s_pw |
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| 38 | MODULE PROCEDURE advec_s_pw |
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| 39 | MODULE PROCEDURE advec_s_pw_ij |
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| 40 | END INTERFACE |
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| 41 | |
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| 42 | CONTAINS |
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| 43 | |
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| 44 | |
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| 45 | !------------------------------------------------------------------------------! |
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| 46 | ! Call for all grid points |
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| 47 | !------------------------------------------------------------------------------! |
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| 48 | SUBROUTINE advec_s_pw( sk ) |
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| 49 | |
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| 50 | USE arrays_3d |
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| 51 | USE control_parameters |
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| 52 | USE grid_variables |
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| 53 | USE indices |
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| 54 | |
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| 55 | IMPLICIT NONE |
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| 56 | |
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| 57 | INTEGER :: i, j, k |
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| 58 | |
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| 59 | REAL, DIMENSION(:,:,:), POINTER :: sk |
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| 60 | |
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| 61 | |
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| 62 | DO i = nxl, nxr |
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| 63 | DO j = nys, nyn |
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| [19] | 64 | DO k = nzb_s_inner(j,i)+1, nzt |
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| [1] | 65 | tend(k,j,i) = tend(k,j,i) & |
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| 66 | -0.5 * ( ( u(k,j,i+1) - u_gtrans ) * ( sk(k,j,i+1) - sk(k,j,i) ) & |
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| 67 | - ( u(k,j,i) - u_gtrans ) * ( sk(k,j,i-1) - sk(k,j,i) ) & |
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| 68 | ) * ddx & |
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| 69 | -0.5 * ( ( v(k,j+1,i) - v_gtrans ) * ( sk(k,j+1,i) - sk(k,j,i) ) & |
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| 70 | - ( v(k,j,i) - v_gtrans ) * ( sk(k,j-1,i) - sk(k,j,i) ) & |
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| 71 | ) * ddy & |
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| 72 | - ( w(k,j,i) * ( sk(k+1,j,i) - sk(k,j,i) ) & |
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| 73 | - w(k-1,j,i) * ( sk(k-1,j,i) - sk(k,j,i) ) & |
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| 74 | ) * dd2zu(k) |
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| 75 | ENDDO |
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| 76 | ENDDO |
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| 77 | ENDDO |
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| 78 | |
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| 79 | END SUBROUTINE advec_s_pw |
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| 80 | |
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| 81 | |
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| 82 | !------------------------------------------------------------------------------! |
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| 83 | ! Call for grid point i,j |
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| 84 | !------------------------------------------------------------------------------! |
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| 85 | SUBROUTINE advec_s_pw_ij( i, j, sk ) |
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| 86 | |
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| 87 | USE arrays_3d |
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| 88 | USE control_parameters |
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| 89 | USE grid_variables |
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| 90 | USE indices |
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| 91 | |
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| 92 | IMPLICIT NONE |
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| 93 | |
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| 94 | INTEGER :: i, j, k |
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| 95 | |
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| 96 | REAL, DIMENSION(:,:,:), POINTER :: sk |
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| 97 | |
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| 98 | |
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| [19] | 99 | DO k = nzb_s_inner(j,i)+1, nzt |
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| [1] | 100 | tend(k,j,i) = tend(k,j,i) & |
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| 101 | -0.5 * ( ( u(k,j,i+1) - u_gtrans ) * ( sk(k,j,i+1) - sk(k,j,i) ) & |
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| 102 | - ( u(k,j,i) - u_gtrans ) * ( sk(k,j,i-1) - sk(k,j,i) ) & |
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| 103 | ) * ddx & |
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| 104 | -0.5 * ( ( v(k,j+1,i) - v_gtrans ) * ( sk(k,j+1,i) - sk(k,j,i) ) & |
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| 105 | - ( v(k,j,i) - v_gtrans ) * ( sk(k,j-1,i) - sk(k,j,i) ) & |
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| 106 | ) * ddy & |
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| 107 | - ( w(k,j,i) * ( sk(k+1,j,i) - sk(k,j,i) ) & |
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| 108 | - w(k-1,j,i) * ( sk(k-1,j,i) - sk(k,j,i) ) & |
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| 109 | ) * dd2zu(k) |
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| 110 | ENDDO |
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| 111 | |
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| 112 | END SUBROUTINE advec_s_pw_ij |
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| 113 | |
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| 114 | END MODULE advec_s_pw_mod |
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