[1] | 1 | MODULE advec_w_pw_mod |
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| 2 | |
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[1036] | 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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[1310] | 17 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
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[1036] | 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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[484] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[1320] | 22 | ! ONLY-attribute added to USE-statements, |
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| 23 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 24 | ! kinds are defined in new module kinds, |
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| 25 | ! revision history before 2012 removed, |
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| 26 | ! comment fields (!:) to be used for variable explanations added to |
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| 27 | ! all variable declaration statements |
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[1] | 28 | ! |
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| 29 | ! Former revisions: |
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| 30 | ! ----------------- |
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[3] | 31 | ! $Id: advec_w_pw.f90 1320 2014-03-20 08:40:49Z raasch $ |
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[1037] | 32 | ! |
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| 33 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 34 | ! code put under GPL (PALM 3.9) |
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| 35 | ! |
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[1] | 36 | ! Revision 1.1 1997/08/11 06:10:29 raasch |
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| 37 | ! Initial revision |
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| 38 | ! |
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| 39 | ! |
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| 40 | ! Description: |
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| 41 | ! ------------ |
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| 42 | ! Advection term for w velocity-component using Piacsek and Williams. |
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| 43 | ! Vertical advection at the first grid point above the surface is done with |
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| 44 | ! normal centred differences, because otherwise no information from the surface |
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| 45 | ! would be communicated upwards due to w=0 at k=nzb. |
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| 46 | !------------------------------------------------------------------------------! |
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| 47 | |
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| 48 | PRIVATE |
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| 49 | PUBLIC advec_w_pw |
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| 50 | |
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| 51 | INTERFACE advec_w_pw |
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| 52 | MODULE PROCEDURE advec_w_pw |
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| 53 | MODULE PROCEDURE advec_w_pw_ij |
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| 54 | END INTERFACE advec_w_pw |
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| 55 | |
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| 56 | CONTAINS |
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| 57 | |
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| 58 | |
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| 59 | !------------------------------------------------------------------------------! |
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| 60 | ! Call for all grid points |
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| 61 | !------------------------------------------------------------------------------! |
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| 62 | SUBROUTINE advec_w_pw |
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| 63 | |
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[1320] | 64 | USE arrays_3d, & |
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| 65 | ONLY: ddzu, tend, u, v, w |
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[1] | 66 | |
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[1320] | 67 | USE control_parameters, & |
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| 68 | ONLY: u_gtrans, v_gtrans |
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| 69 | |
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| 70 | USE grid_variables, & |
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| 71 | ONLY: ddx, ddy |
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| 72 | |
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| 73 | USE indices, & |
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| 74 | ONLY: nxl, nxr, nyn, nys, nzb_w_inner, nzt |
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| 75 | |
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| 76 | USE kinds |
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| 77 | |
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| 78 | |
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[1] | 79 | IMPLICIT NONE |
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| 80 | |
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[1320] | 81 | INTEGER(iwp) :: i !: |
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| 82 | INTEGER(iwp) :: j !: |
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| 83 | INTEGER(iwp) :: k !: |
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| 84 | |
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| 85 | REAL(wp) :: gu !: |
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| 86 | REAL(wp) :: gv !: |
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[1] | 87 | |
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| 88 | |
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| 89 | gu = 2.0 * u_gtrans |
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| 90 | gv = 2.0 * v_gtrans |
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| 91 | DO i = nxl, nxr |
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| 92 | DO j = nys, nyn |
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| 93 | DO k = nzb_w_inner(j,i)+1, nzt |
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| 94 | tend(k,j,i) = tend(k,j,i) - 0.25 * ( & |
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| 95 | ( w(k,j,i+1) * ( u(k+1,j,i+1) + u(k,j,i+1) - gu ) & |
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| 96 | - w(k,j,i-1) * ( u(k+1,j,i) + u(k,j,i) - gu ) ) * ddx & |
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| 97 | + ( w(k,j+1,i) * ( v(k+1,j+1,i) + v(k,j+1,i) - gv ) & |
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| 98 | - w(k,j-1,i) * ( v(k+1,j,i) + v(k,j,i) - gv ) ) * ddy & |
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| 99 | + ( w(k+1,j,i) * ( w(k+1,j,i) + w(k,j,i) ) & |
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| 100 | - w(k-1,j,i) * ( w(k,j,i) + w(k-1,j,i) ) ) & |
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| 101 | * ddzu(k+1) & |
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| 102 | ) |
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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_w_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_w_pw_ij( i, j ) |
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| 114 | |
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[1320] | 115 | USE arrays_3d, & |
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| 116 | ONLY: ddzu, tend, u, v, w |
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[1] | 117 | |
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[1320] | 118 | USE control_parameters, & |
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| 119 | ONLY: u_gtrans, v_gtrans |
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| 120 | |
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| 121 | USE grid_variables, & |
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| 122 | ONLY: ddx, ddy |
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| 123 | |
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| 124 | USE indices, & |
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| 125 | ONLY: nzb_w_inner, nzt |
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| 126 | |
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| 127 | USE kinds |
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| 128 | |
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| 129 | |
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[1] | 130 | IMPLICIT NONE |
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| 131 | |
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[1320] | 132 | INTEGER(iwp) :: i !: |
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| 133 | INTEGER(iwp) :: j !: |
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| 134 | INTEGER(iwp) :: k !: |
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| 135 | |
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| 136 | REAL(wp) :: gu !: |
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| 137 | REAL(wp) :: gv !: |
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[1] | 138 | |
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| 139 | gu = 2.0 * u_gtrans |
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| 140 | gv = 2.0 * v_gtrans |
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| 141 | DO k = nzb_w_inner(j,i)+1, nzt |
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[1320] | 142 | tend(k,j,i) = tend(k,j,i) - 0.25 * ( & |
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[1] | 143 | ( w(k,j,i+1) * ( u(k+1,j,i+1) + u(k,j,i+1) - gu ) & |
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| 144 | - w(k,j,i-1) * ( u(k+1,j,i) + u(k,j,i) - gu ) ) * ddx & |
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| 145 | + ( w(k,j+1,i) * ( v(k+1,j+1,i) + v(k,j+1,i) - gv ) & |
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| 146 | - w(k,j-1,i) * ( v(k+1,j,i) + v(k,j,i) - gv ) ) * ddy & |
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| 147 | + ( w(k+1,j,i) * ( w(k+1,j,i) + w(k,j,i) ) & |
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| 148 | - w(k-1,j,i) * ( w(k,j,i) + w(k-1,j,i) ) ) & |
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| 149 | * ddzu(k+1) & |
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| 150 | ) |
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| 151 | ENDDO |
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| 152 | END SUBROUTINE advec_w_pw_ij |
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| 153 | |
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| 154 | END MODULE advec_w_pw_mod |
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