[1682] | 1 | !> @file advec_w_pw.f90 |
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[1036] | 2 | !--------------------------------------------------------------------------------! |
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| 3 | ! This file is part of PALM. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 6 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 7 | ! either version 3 of the License, or (at your option) any later version. |
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| 8 | ! |
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| 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 10 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 11 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 12 | ! |
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| 13 | ! You should have received a copy of the GNU General Public License along with |
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| 14 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 15 | ! |
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[1310] | 16 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
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[1036] | 17 | !--------------------------------------------------------------------------------! |
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| 18 | ! |
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[484] | 19 | ! Current revisions: |
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[1] | 20 | ! ----------------- |
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[1682] | 21 | ! Code annotations made doxygen readable |
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[1354] | 22 | ! |
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[1321] | 23 | ! Former revisions: |
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| 24 | ! ----------------- |
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| 25 | ! $Id: advec_w_pw.f90 1682 2015-10-07 23:56:08Z knoop $ |
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| 26 | ! |
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[1354] | 27 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 28 | ! REAL constants provided with KIND-attribute |
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| 29 | ! |
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[1321] | 30 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 31 | ! ONLY-attribute added to USE-statements, |
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| 32 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 33 | ! kinds are defined in new module kinds, |
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| 34 | ! revision history before 2012 removed, |
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| 35 | ! comment fields (!:) to be used for variable explanations added to |
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| 36 | ! all variable declaration statements |
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[1] | 37 | ! |
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[1037] | 38 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 39 | ! code put under GPL (PALM 3.9) |
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| 40 | ! |
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[1] | 41 | ! Revision 1.1 1997/08/11 06:10:29 raasch |
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| 42 | ! Initial revision |
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| 43 | ! |
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| 44 | ! |
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| 45 | ! Description: |
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| 46 | ! ------------ |
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[1682] | 47 | !> Advection term for w velocity-component using Piacsek and Williams. |
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| 48 | !> Vertical advection at the first grid point above the surface is done with |
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| 49 | !> normal centred differences, because otherwise no information from the surface |
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| 50 | !> would be communicated upwards due to w=0 at k=nzb. |
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[1] | 51 | !------------------------------------------------------------------------------! |
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[1682] | 52 | MODULE advec_w_pw_mod |
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| 53 | |
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[1] | 54 | |
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| 55 | PRIVATE |
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| 56 | PUBLIC advec_w_pw |
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| 57 | |
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| 58 | INTERFACE advec_w_pw |
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| 59 | MODULE PROCEDURE advec_w_pw |
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| 60 | MODULE PROCEDURE advec_w_pw_ij |
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| 61 | END INTERFACE advec_w_pw |
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| 62 | |
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| 63 | CONTAINS |
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| 64 | |
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| 65 | |
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| 66 | !------------------------------------------------------------------------------! |
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[1682] | 67 | ! Description: |
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| 68 | ! ------------ |
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| 69 | !> Call for all grid points |
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[1] | 70 | !------------------------------------------------------------------------------! |
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| 71 | SUBROUTINE advec_w_pw |
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| 72 | |
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[1320] | 73 | USE arrays_3d, & |
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| 74 | ONLY: ddzu, tend, u, v, w |
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[1] | 75 | |
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[1320] | 76 | USE control_parameters, & |
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| 77 | ONLY: u_gtrans, v_gtrans |
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| 78 | |
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| 79 | USE grid_variables, & |
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| 80 | ONLY: ddx, ddy |
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| 81 | |
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| 82 | USE indices, & |
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| 83 | ONLY: nxl, nxr, nyn, nys, nzb_w_inner, nzt |
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| 84 | |
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| 85 | USE kinds |
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| 86 | |
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| 87 | |
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[1] | 88 | IMPLICIT NONE |
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| 89 | |
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[1682] | 90 | INTEGER(iwp) :: i !< |
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| 91 | INTEGER(iwp) :: j !< |
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| 92 | INTEGER(iwp) :: k !< |
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[1320] | 93 | |
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[1682] | 94 | REAL(wp) :: gu !< |
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| 95 | REAL(wp) :: gv !< |
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[1] | 96 | |
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| 97 | |
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[1353] | 98 | gu = 2.0_wp * u_gtrans |
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| 99 | gv = 2.0_wp * v_gtrans |
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[1] | 100 | DO i = nxl, nxr |
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| 101 | DO j = nys, nyn |
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| 102 | DO k = nzb_w_inner(j,i)+1, nzt |
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[1353] | 103 | tend(k,j,i) = tend(k,j,i) - 0.25_wp * ( & |
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[1] | 104 | ( w(k,j,i+1) * ( u(k+1,j,i+1) + u(k,j,i+1) - gu ) & |
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| 105 | - w(k,j,i-1) * ( u(k+1,j,i) + u(k,j,i) - gu ) ) * ddx & |
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| 106 | + ( w(k,j+1,i) * ( v(k+1,j+1,i) + v(k,j+1,i) - gv ) & |
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| 107 | - w(k,j-1,i) * ( v(k+1,j,i) + v(k,j,i) - gv ) ) * ddy & |
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| 108 | + ( w(k+1,j,i) * ( w(k+1,j,i) + w(k,j,i) ) & |
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| 109 | - w(k-1,j,i) * ( w(k,j,i) + w(k-1,j,i) ) ) & |
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| 110 | * ddzu(k+1) & |
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[1353] | 111 | ) |
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[1] | 112 | ENDDO |
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| 113 | ENDDO |
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| 114 | ENDDO |
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| 115 | |
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| 116 | END SUBROUTINE advec_w_pw |
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| 117 | |
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| 118 | |
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| 119 | !------------------------------------------------------------------------------! |
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[1682] | 120 | ! Description: |
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| 121 | ! ------------ |
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| 122 | !> Call for grid point i,j |
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[1] | 123 | !------------------------------------------------------------------------------! |
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| 124 | SUBROUTINE advec_w_pw_ij( i, j ) |
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| 125 | |
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[1320] | 126 | USE arrays_3d, & |
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| 127 | ONLY: ddzu, tend, u, v, w |
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[1] | 128 | |
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[1320] | 129 | USE control_parameters, & |
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| 130 | ONLY: u_gtrans, v_gtrans |
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| 131 | |
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| 132 | USE grid_variables, & |
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| 133 | ONLY: ddx, ddy |
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| 134 | |
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| 135 | USE indices, & |
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| 136 | ONLY: nzb_w_inner, nzt |
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| 137 | |
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| 138 | USE kinds |
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| 139 | |
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| 140 | |
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[1] | 141 | IMPLICIT NONE |
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| 142 | |
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[1682] | 143 | INTEGER(iwp) :: i !< |
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| 144 | INTEGER(iwp) :: j !< |
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| 145 | INTEGER(iwp) :: k !< |
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[1320] | 146 | |
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[1682] | 147 | REAL(wp) :: gu !< |
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| 148 | REAL(wp) :: gv !< |
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[1] | 149 | |
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[1353] | 150 | gu = 2.0_wp * u_gtrans |
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| 151 | gv = 2.0_wp * v_gtrans |
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[1] | 152 | DO k = nzb_w_inner(j,i)+1, nzt |
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[1353] | 153 | tend(k,j,i) = tend(k,j,i) - 0.25_wp * ( & |
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[1] | 154 | ( w(k,j,i+1) * ( u(k+1,j,i+1) + u(k,j,i+1) - gu ) & |
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| 155 | - w(k,j,i-1) * ( u(k+1,j,i) + u(k,j,i) - gu ) ) * ddx & |
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| 156 | + ( w(k,j+1,i) * ( v(k+1,j+1,i) + v(k,j+1,i) - gv ) & |
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| 157 | - w(k,j-1,i) * ( v(k+1,j,i) + v(k,j,i) - gv ) ) * ddy & |
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| 158 | + ( w(k+1,j,i) * ( w(k+1,j,i) + w(k,j,i) ) & |
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| 159 | - w(k-1,j,i) * ( w(k,j,i) + w(k-1,j,i) ) ) & |
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| 160 | * ddzu(k+1) & |
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| 161 | ) |
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| 162 | ENDDO |
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| 163 | END SUBROUTINE advec_w_pw_ij |
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| 164 | |
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| 165 | END MODULE advec_w_pw_mod |
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