| 1 | !> @file advec_u_up.f90 |
|---|
| 2 | !--------------------------------------------------------------------------------! |
|---|
| 3 | ! This file is part of PALM. |
|---|
| 4 | ! |
|---|
| 5 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
|---|
| 6 | ! of the GNU General Public License as published by the Free Software Foundation, |
|---|
| 7 | ! either version 3 of the License, or (at your option) any later version. |
|---|
| 8 | ! |
|---|
| 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
|---|
| 10 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
|---|
| 11 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
|---|
| 12 | ! |
|---|
| 13 | ! You should have received a copy of the GNU General Public License along with |
|---|
| 14 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
|---|
| 15 | ! |
|---|
| 16 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
|---|
| 17 | !--------------------------------------------------------------------------------! |
|---|
| 18 | ! |
|---|
| 19 | ! Current revisions: |
|---|
| 20 | ! ----------------- |
|---|
| 21 | ! |
|---|
| 22 | ! |
|---|
| 23 | ! Former revisions: |
|---|
| 24 | ! ----------------- |
|---|
| 25 | ! $Id: advec_u_up.f90 1683 2015-10-07 23:57:51Z raasch $ |
|---|
| 26 | ! |
|---|
| 27 | ! 1682 2015-10-07 23:56:08Z knoop |
|---|
| 28 | ! Code annotations made doxygen readable |
|---|
| 29 | ! |
|---|
| 30 | ! 1353 2014-04-08 15:21:23Z heinze |
|---|
| 31 | ! REAL constants provided with KIND-attribute |
|---|
| 32 | ! |
|---|
| 33 | ! 1320 2014-03-20 08:40:49Z raasch |
|---|
| 34 | ! ONLY-attribute added to USE-statements, |
|---|
| 35 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
|---|
| 36 | ! kinds are defined in new module kinds, |
|---|
| 37 | ! revision history before 2012 removed, |
|---|
| 38 | ! comment fields (!:) to be used for variable explanations added to |
|---|
| 39 | ! all variable declaration statements |
|---|
| 40 | ! |
|---|
| 41 | ! 1036 2012-10-22 13:43:42Z raasch |
|---|
| 42 | ! code put under GPL (PALM 3.9) |
|---|
| 43 | ! |
|---|
| 44 | ! Revision 1.1 1997/08/29 08:55:25 raasch |
|---|
| 45 | ! Initial revision |
|---|
| 46 | ! |
|---|
| 47 | ! |
|---|
| 48 | ! Description: |
|---|
| 49 | ! ------------ |
|---|
| 50 | !> Advection term for the u velocity-component using upstream scheme. |
|---|
| 51 | !> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
|---|
| 52 | !> The same problem occurs for all topography boundaries! |
|---|
| 53 | !------------------------------------------------------------------------------! |
|---|
| 54 | MODULE advec_u_up_mod |
|---|
| 55 | |
|---|
| 56 | |
|---|
| 57 | PRIVATE |
|---|
| 58 | PUBLIC advec_u_up |
|---|
| 59 | |
|---|
| 60 | INTERFACE advec_u_up |
|---|
| 61 | MODULE PROCEDURE advec_u_up |
|---|
| 62 | MODULE PROCEDURE advec_u_up_ij |
|---|
| 63 | END INTERFACE advec_u_up |
|---|
| 64 | |
|---|
| 65 | CONTAINS |
|---|
| 66 | |
|---|
| 67 | |
|---|
| 68 | !------------------------------------------------------------------------------! |
|---|
| 69 | ! Description: |
|---|
| 70 | ! ------------ |
|---|
| 71 | !> Call for all grid points |
|---|
| 72 | !------------------------------------------------------------------------------! |
|---|
| 73 | SUBROUTINE advec_u_up |
|---|
| 74 | |
|---|
| 75 | USE arrays_3d, & |
|---|
| 76 | ONLY: ddzu, tend, u, v, w |
|---|
| 77 | |
|---|
| 78 | USE control_parameters, & |
|---|
| 79 | ONLY: u_gtrans, v_gtrans |
|---|
| 80 | |
|---|
| 81 | USE grid_variables, & |
|---|
| 82 | ONLY: ddx, ddy |
|---|
| 83 | |
|---|
| 84 | USE indices, & |
|---|
| 85 | ONLY: nxlu, nxr, nyn, nys, nzb_u_inner, nzt |
|---|
| 86 | |
|---|
| 87 | USE kinds |
|---|
| 88 | |
|---|
| 89 | |
|---|
| 90 | IMPLICIT NONE |
|---|
| 91 | |
|---|
| 92 | INTEGER(iwp) :: i !< |
|---|
| 93 | INTEGER(iwp) :: j !< |
|---|
| 94 | INTEGER(iwp) :: k !< |
|---|
| 95 | |
|---|
| 96 | REAL(wp) :: ukomp !< |
|---|
| 97 | REAL(wp) :: vkomp !< |
|---|
| 98 | REAL(wp) :: wkomp !< |
|---|
| 99 | |
|---|
| 100 | |
|---|
| 101 | DO i = nxlu, nxr |
|---|
| 102 | DO j = nys, nyn |
|---|
| 103 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 104 | ! |
|---|
| 105 | !-- x-direction |
|---|
| 106 | ukomp = u(k,j,i) - u_gtrans |
|---|
| 107 | IF ( ukomp > 0.0_wp ) THEN |
|---|
| 108 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 109 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
|---|
| 110 | ELSE |
|---|
| 111 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 112 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 113 | ENDIF |
|---|
| 114 | ! |
|---|
| 115 | !-- y-direction |
|---|
| 116 | vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + & |
|---|
| 117 | v(k,j,i-1) + v(k,j+1,i-1) ) - v_gtrans |
|---|
| 118 | IF ( vkomp > 0.0_wp ) THEN |
|---|
| 119 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 120 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
|---|
| 121 | ELSE |
|---|
| 122 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 123 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
|---|
| 124 | ENDIF |
|---|
| 125 | ! |
|---|
| 126 | !-- z-direction |
|---|
| 127 | wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + & |
|---|
| 128 | w(k,j,i-1) + w(k-1,j,i-1) ) |
|---|
| 129 | IF ( wkomp > 0.0_wp ) THEN |
|---|
| 130 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 131 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
|---|
| 132 | ELSE |
|---|
| 133 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 134 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
|---|
| 135 | ENDIF |
|---|
| 136 | |
|---|
| 137 | ENDDO |
|---|
| 138 | ENDDO |
|---|
| 139 | ENDDO |
|---|
| 140 | |
|---|
| 141 | END SUBROUTINE advec_u_up |
|---|
| 142 | |
|---|
| 143 | |
|---|
| 144 | !------------------------------------------------------------------------------! |
|---|
| 145 | ! Description: |
|---|
| 146 | ! ------------ |
|---|
| 147 | !> Call for grid point i,j |
|---|
| 148 | !------------------------------------------------------------------------------! |
|---|
| 149 | SUBROUTINE advec_u_up_ij( i, j ) |
|---|
| 150 | |
|---|
| 151 | USE arrays_3d, & |
|---|
| 152 | ONLY: ddzu, tend, u, v, w |
|---|
| 153 | |
|---|
| 154 | USE control_parameters, & |
|---|
| 155 | ONLY: u_gtrans, v_gtrans |
|---|
| 156 | |
|---|
| 157 | USE grid_variables, & |
|---|
| 158 | ONLY: ddx, ddy |
|---|
| 159 | |
|---|
| 160 | USE indices, & |
|---|
| 161 | ONLY: nzb_u_inner, nzt |
|---|
| 162 | |
|---|
| 163 | USE kinds |
|---|
| 164 | |
|---|
| 165 | |
|---|
| 166 | IMPLICIT NONE |
|---|
| 167 | |
|---|
| 168 | INTEGER(iwp) :: i !< |
|---|
| 169 | INTEGER(iwp) :: j !< |
|---|
| 170 | INTEGER(iwp) :: k !< |
|---|
| 171 | |
|---|
| 172 | REAL(wp) :: ukomp !< |
|---|
| 173 | REAL(wp) :: vkomp !< |
|---|
| 174 | REAL(wp) :: wkomp !< |
|---|
| 175 | |
|---|
| 176 | |
|---|
| 177 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 178 | ! |
|---|
| 179 | !-- x-direction |
|---|
| 180 | ukomp = u(k,j,i) - u_gtrans |
|---|
| 181 | IF ( ukomp > 0.0_wp ) THEN |
|---|
| 182 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 183 | ( u(k,j,i) - u(k,j,i-1) ) * ddx |
|---|
| 184 | ELSE |
|---|
| 185 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 186 | ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 187 | ENDIF |
|---|
| 188 | ! |
|---|
| 189 | !-- y-direction |
|---|
| 190 | vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + v(k,j,i-1) + v(k,j+1,i-1) & |
|---|
| 191 | ) - v_gtrans |
|---|
| 192 | IF ( vkomp > 0.0_wp ) THEN |
|---|
| 193 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 194 | ( u(k,j,i) - u(k,j-1,i) ) * ddy |
|---|
| 195 | ELSE |
|---|
| 196 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 197 | ( u(k,j+1,i) - u(k,j,i) ) * ddy |
|---|
| 198 | ENDIF |
|---|
| 199 | ! |
|---|
| 200 | !-- z-direction |
|---|
| 201 | wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + w(k,j,i-1) + w(k-1,j,i-1) ) |
|---|
| 202 | IF ( wkomp > 0.0_wp ) THEN |
|---|
| 203 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 204 | ( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) |
|---|
| 205 | ELSE |
|---|
| 206 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
|---|
| 207 | ( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) |
|---|
| 208 | ENDIF |
|---|
| 209 | |
|---|
| 210 | ENDDO |
|---|
| 211 | |
|---|
| 212 | END SUBROUTINE advec_u_up_ij |
|---|
| 213 | |
|---|
| 214 | END MODULE advec_u_up_mod |
|---|
