| 1 | MODULE advec_u_up_mod |
|---|
| 2 | |
|---|
| 3 | !--------------------------------------------------------------------------------! |
|---|
| 4 | ! This file is part of PALM. |
|---|
| 5 | ! |
|---|
| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
|---|
| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
|---|
| 8 | ! either version 3 of the License, or (at your option) any later version. |
|---|
| 9 | ! |
|---|
| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
|---|
| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
|---|
| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
|---|
| 13 | ! |
|---|
| 14 | ! You should have received a copy of the GNU General Public License along with |
|---|
| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
|---|
| 16 | ! |
|---|
| 17 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
|---|
| 18 | !--------------------------------------------------------------------------------! |
|---|
| 19 | ! |
|---|
| 20 | ! Current revisions: |
|---|
| 21 | ! ----------------- |
|---|
| 22 | ! |
|---|
| 23 | ! |
|---|
| 24 | ! Former revisions: |
|---|
| 25 | ! ----------------- |
|---|
| 26 | ! $Id: advec_u_up.f90 1321 2014-03-20 09:40:40Z kanani $ |
|---|
| 27 | ! |
|---|
| 28 | ! 1320 2014-03-20 08:40:49Z raasch |
|---|
| 29 | ! ONLY-attribute added to USE-statements, |
|---|
| 30 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
|---|
| 31 | ! kinds are defined in new module kinds, |
|---|
| 32 | ! revision history before 2012 removed, |
|---|
| 33 | ! comment fields (!:) to be used for variable explanations added to |
|---|
| 34 | ! all variable declaration statements |
|---|
| 35 | ! |
|---|
| 36 | ! 1036 2012-10-22 13:43:42Z raasch |
|---|
| 37 | ! code put under GPL (PALM 3.9) |
|---|
| 38 | ! |
|---|
| 39 | ! Revision 1.1 1997/08/29 08:55:25 raasch |
|---|
| 40 | ! Initial revision |
|---|
| 41 | ! |
|---|
| 42 | ! |
|---|
| 43 | ! Description: |
|---|
| 44 | ! ------------ |
|---|
| 45 | ! Advection term for the u velocity-component using upstream scheme. |
|---|
| 46 | ! NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
|---|
| 47 | ! The same problem occurs for all topography boundaries! |
|---|
| 48 | !------------------------------------------------------------------------------! |
|---|
| 49 | |
|---|
| 50 | PRIVATE |
|---|
| 51 | PUBLIC advec_u_up |
|---|
| 52 | |
|---|
| 53 | INTERFACE advec_u_up |
|---|
| 54 | MODULE PROCEDURE advec_u_up |
|---|
| 55 | MODULE PROCEDURE advec_u_up_ij |
|---|
| 56 | END INTERFACE advec_u_up |
|---|
| 57 | |
|---|
| 58 | CONTAINS |
|---|
| 59 | |
|---|
| 60 | |
|---|
| 61 | !------------------------------------------------------------------------------! |
|---|
| 62 | ! Call for all grid points |
|---|
| 63 | !------------------------------------------------------------------------------! |
|---|
| 64 | SUBROUTINE advec_u_up |
|---|
| 65 | |
|---|
| 66 | USE arrays_3d, & |
|---|
| 67 | ONLY: ddzu, tend, u, v, w |
|---|
| 68 | |
|---|
| 69 | USE control_parameters, & |
|---|
| 70 | ONLY: u_gtrans, v_gtrans |
|---|
| 71 | |
|---|
| 72 | USE grid_variables, & |
|---|
| 73 | ONLY: ddx, ddy |
|---|
| 74 | |
|---|
| 75 | USE indices, & |
|---|
| 76 | ONLY: nxlu, nxr, nyn, nys, nzb_u_inner, nzt |
|---|
| 77 | |
|---|
| 78 | USE kinds |
|---|
| 79 | |
|---|
| 80 | |
|---|
| 81 | IMPLICIT NONE |
|---|
| 82 | |
|---|
| 83 | INTEGER(iwp) :: i !: |
|---|
| 84 | INTEGER(iwp) :: j !: |
|---|
| 85 | INTEGER(iwp) :: k !: |
|---|
| 86 | |
|---|
| 87 | REAL(wp) :: ukomp !: |
|---|
| 88 | REAL(wp) :: vkomp !: |
|---|
| 89 | REAL(wp) :: wkomp !: |
|---|
| 90 | |
|---|
| 91 | |
|---|
| 92 | DO i = nxlu, nxr |
|---|
| 93 | DO j = nys, nyn |
|---|
| 94 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 95 | ! |
|---|
| 96 | !-- x-direction |
|---|
| 97 | ukomp = u(k,j,i) - u_gtrans |
|---|
| 98 | IF ( ukomp > 0.0 ) THEN |
|---|
| 99 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 100 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
|---|
| 101 | ELSE |
|---|
| 102 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 103 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 104 | ENDIF |
|---|
| 105 | ! |
|---|
| 106 | !-- y-direction |
|---|
| 107 | vkomp = 0.25 * ( v(k,j,i) + v(k,j+1,i) + & |
|---|
| 108 | v(k,j,i-1) + v(k,j+1,i-1) ) - v_gtrans |
|---|
| 109 | IF ( vkomp > 0.0 ) THEN |
|---|
| 110 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 111 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
|---|
| 112 | ELSE |
|---|
| 113 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 114 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
|---|
| 115 | ENDIF |
|---|
| 116 | ! |
|---|
| 117 | !-- z-direction |
|---|
| 118 | wkomp = 0.25 * ( w(k,j,i) + w(k-1,j,i) + & |
|---|
| 119 | w(k,j,i-1) + w(k-1,j,i-1) ) |
|---|
| 120 | IF ( wkomp > 0.0 ) THEN |
|---|
| 121 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 122 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
|---|
| 123 | ELSE |
|---|
| 124 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 125 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
|---|
| 126 | ENDIF |
|---|
| 127 | |
|---|
| 128 | ENDDO |
|---|
| 129 | ENDDO |
|---|
| 130 | ENDDO |
|---|
| 131 | |
|---|
| 132 | END SUBROUTINE advec_u_up |
|---|
| 133 | |
|---|
| 134 | |
|---|
| 135 | !------------------------------------------------------------------------------! |
|---|
| 136 | ! Call for grid point i,j |
|---|
| 137 | !------------------------------------------------------------------------------! |
|---|
| 138 | SUBROUTINE advec_u_up_ij( i, j ) |
|---|
| 139 | |
|---|
| 140 | USE arrays_3d, & |
|---|
| 141 | ONLY: ddzu, tend, u, v, w |
|---|
| 142 | |
|---|
| 143 | USE control_parameters, & |
|---|
| 144 | ONLY: u_gtrans, v_gtrans |
|---|
| 145 | |
|---|
| 146 | USE grid_variables, & |
|---|
| 147 | ONLY: ddx, ddy |
|---|
| 148 | |
|---|
| 149 | USE indices, & |
|---|
| 150 | ONLY: nzb_u_inner, nzt |
|---|
| 151 | |
|---|
| 152 | USE kinds |
|---|
| 153 | |
|---|
| 154 | |
|---|
| 155 | IMPLICIT NONE |
|---|
| 156 | |
|---|
| 157 | INTEGER(iwp) :: i !: |
|---|
| 158 | INTEGER(iwp) :: j !: |
|---|
| 159 | INTEGER(iwp) :: k !: |
|---|
| 160 | |
|---|
| 161 | REAL(wp) :: ukomp !: |
|---|
| 162 | REAL(wp) :: vkomp !: |
|---|
| 163 | REAL(wp) :: wkomp !: |
|---|
| 164 | |
|---|
| 165 | |
|---|
| 166 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 167 | ! |
|---|
| 168 | !-- x-direction |
|---|
| 169 | ukomp = u(k,j,i) - u_gtrans |
|---|
| 170 | IF ( ukomp > 0.0 ) THEN |
|---|
| 171 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 172 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
|---|
| 173 | ELSE |
|---|
| 174 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 175 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 176 | ENDIF |
|---|
| 177 | ! |
|---|
| 178 | !-- y-direction |
|---|
| 179 | vkomp = 0.25 * ( v(k,j,i) + v(k,j+1,i) + v(k,j,i-1) + v(k,j+1,i-1) & |
|---|
| 180 | ) - v_gtrans |
|---|
| 181 | IF ( vkomp > 0.0 ) THEN |
|---|
| 182 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 183 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
|---|
| 184 | ELSE |
|---|
| 185 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 186 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
|---|
| 187 | ENDIF |
|---|
| 188 | ! |
|---|
| 189 | !-- z-direction |
|---|
| 190 | wkomp = 0.25 * ( w(k,j,i) + w(k-1,j,i) + w(k,j,i-1) + w(k-1,j,i-1) ) |
|---|
| 191 | IF ( wkomp > 0.0 ) THEN |
|---|
| 192 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 193 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
|---|
| 194 | ELSE |
|---|
| 195 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 196 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
|---|
| 197 | ENDIF |
|---|
| 198 | |
|---|
| 199 | ENDDO |
|---|
| 200 | |
|---|
| 201 | END SUBROUTINE advec_u_up_ij |
|---|
| 202 | |
|---|
| 203 | END MODULE advec_u_up_mod |
|---|
