| 1 | !> @file advec_w_up.f90 |
|---|
| 2 | !------------------------------------------------------------------------------! |
|---|
| 3 | ! This file is part of the PALM model system. |
|---|
| 4 | ! |
|---|
| 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
|---|
| 6 | ! terms of the GNU General Public License as published by the Free Software |
|---|
| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
|---|
| 8 | ! 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 1997-2018 Leibniz Universitaet Hannover |
|---|
| 18 | !------------------------------------------------------------------------------! |
|---|
| 19 | ! |
|---|
| 20 | ! Current revisions: |
|---|
| 21 | ! ----------------- |
|---|
| 22 | ! |
|---|
| 23 | ! |
|---|
| 24 | ! Former revisions: |
|---|
| 25 | ! ----------------- |
|---|
| 26 | ! $Id: advec_w_up.f90 3547 2018-11-21 13:21:24Z kanani $ |
|---|
| 27 | ! variables documented |
|---|
| 28 | ! |
|---|
| 29 | ! 3538 2018-11-20 10:55:41Z suehring |
|---|
| 30 | ! Remove unnecessary double-masking of topography |
|---|
| 31 | ! |
|---|
| 32 | ! 3255 2018-09-17 11:57:36Z suehring |
|---|
| 33 | ! Missing wall flags added |
|---|
| 34 | ! |
|---|
| 35 | ! 2718 2018-01-02 08:49:38Z maronga |
|---|
| 36 | ! Corrected "Former revisions" section |
|---|
| 37 | ! |
|---|
| 38 | ! 2696 2017-12-14 17:12:51Z kanani |
|---|
| 39 | ! Change in file header (GPL part) |
|---|
| 40 | ! |
|---|
| 41 | ! 2233 2017-05-30 18:08:54Z suehring |
|---|
| 42 | ! |
|---|
| 43 | ! 2232 2017-05-30 17:47:52Z suehring |
|---|
| 44 | ! topography representation via flags |
|---|
| 45 | ! |
|---|
| 46 | ! 2000 2016-08-20 18:09:15Z knoop |
|---|
| 47 | ! Forced header and separation lines into 80 columns |
|---|
| 48 | ! |
|---|
| 49 | ! 1873 2016-04-18 14:50:06Z maronga |
|---|
| 50 | ! Module renamed (removed _mod) |
|---|
| 51 | ! |
|---|
| 52 | ! |
|---|
| 53 | ! 1850 2016-04-08 13:29:27Z maronga |
|---|
| 54 | ! Module renamed |
|---|
| 55 | ! |
|---|
| 56 | ! |
|---|
| 57 | ! 1682 2015-10-07 23:56:08Z knoop |
|---|
| 58 | ! Code annotations made doxygen readable |
|---|
| 59 | ! |
|---|
| 60 | ! 1353 2014-04-08 15:21:23Z heinze |
|---|
| 61 | ! REAL constants provided with KIND-attribute |
|---|
| 62 | ! |
|---|
| 63 | ! 1320 2014-03-20 08:40:49Z raasch |
|---|
| 64 | ! ONLY-attribute added to USE-statements, |
|---|
| 65 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
|---|
| 66 | ! kinds are defined in new module kinds, |
|---|
| 67 | ! revision history before 2012 removed, |
|---|
| 68 | ! comment fields (!:) to be used for variable explanations added to |
|---|
| 69 | ! all variable declaration statements |
|---|
| 70 | ! |
|---|
| 71 | ! 1036 2012-10-22 13:43:42Z raasch |
|---|
| 72 | ! code put under GPL (PALM 3.9) |
|---|
| 73 | ! |
|---|
| 74 | ! Revision 1.1 1997/08/29 08:56:33 raasch |
|---|
| 75 | ! Initial revision |
|---|
| 76 | ! |
|---|
| 77 | ! |
|---|
| 78 | ! Description: |
|---|
| 79 | ! ------------ |
|---|
| 80 | !> Advection term for the w velocity-component using upstream scheme. |
|---|
| 81 | !> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0 |
|---|
| 82 | !> The same problem occurs for all topography boundaries! |
|---|
| 83 | !------------------------------------------------------------------------------! |
|---|
| 84 | MODULE advec_w_up_mod |
|---|
| 85 | |
|---|
| 86 | |
|---|
| 87 | PRIVATE |
|---|
| 88 | PUBLIC advec_w_up |
|---|
| 89 | |
|---|
| 90 | INTERFACE advec_w_up |
|---|
| 91 | MODULE PROCEDURE advec_w_up |
|---|
| 92 | MODULE PROCEDURE advec_w_up_ij |
|---|
| 93 | END INTERFACE advec_w_up |
|---|
| 94 | |
|---|
| 95 | CONTAINS |
|---|
| 96 | |
|---|
| 97 | |
|---|
| 98 | !------------------------------------------------------------------------------! |
|---|
| 99 | ! Description: |
|---|
| 100 | ! ------------ |
|---|
| 101 | !> Call for all grid points |
|---|
| 102 | !------------------------------------------------------------------------------! |
|---|
| 103 | SUBROUTINE advec_w_up |
|---|
| 104 | |
|---|
| 105 | USE arrays_3d, & |
|---|
| 106 | ONLY: ddzw, tend, u, v, w |
|---|
| 107 | |
|---|
| 108 | USE control_parameters, & |
|---|
| 109 | ONLY: u_gtrans, v_gtrans |
|---|
| 110 | |
|---|
| 111 | USE grid_variables, & |
|---|
| 112 | ONLY: ddx, ddy |
|---|
| 113 | |
|---|
| 114 | USE indices, & |
|---|
| 115 | ONLY: nxl, nxr, nyn, nys, nzb, nzt |
|---|
| 116 | |
|---|
| 117 | USE kinds |
|---|
| 118 | |
|---|
| 119 | |
|---|
| 120 | IMPLICIT NONE |
|---|
| 121 | |
|---|
| 122 | INTEGER(iwp) :: i !< grid index along x-direction |
|---|
| 123 | INTEGER(iwp) :: j !< grid index along y-direction |
|---|
| 124 | INTEGER(iwp) :: k !< grid index along z-direction |
|---|
| 125 | |
|---|
| 126 | REAL(wp) :: ukomp !< advection velocity along x-direction |
|---|
| 127 | REAL(wp) :: vkomp !< advection velocity along y-direction |
|---|
| 128 | |
|---|
| 129 | |
|---|
| 130 | DO i = nxl, nxr |
|---|
| 131 | DO j = nys, nyn |
|---|
| 132 | DO k = nzb+1, nzt-1 |
|---|
| 133 | ! |
|---|
| 134 | !-- x-direction |
|---|
| 135 | ukomp = 0.25_wp * ( u(k,j,i) + u(k,j,i+1) + & |
|---|
| 136 | u(k+1,j,i) + u(k+1,j,i+1) ) - u_gtrans |
|---|
| 137 | IF ( ukomp > 0.0_wp ) THEN |
|---|
| 138 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 139 | ( w(k,j,i) - w(k,j,i-1) ) * ddx |
|---|
| 140 | ELSE |
|---|
| 141 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 142 | ( w(k,j,i+1) - w(k,j,i) ) * ddx |
|---|
| 143 | ENDIF |
|---|
| 144 | ! |
|---|
| 145 | !-- y-direction |
|---|
| 146 | vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + & |
|---|
| 147 | v(k+1,j,i) + v(k+1,j+1,i) ) - v_gtrans |
|---|
| 148 | IF ( vkomp > 0.0_wp ) THEN |
|---|
| 149 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 150 | ( w(k,j,i) - w(k,j-1,i) ) * ddy |
|---|
| 151 | ELSE |
|---|
| 152 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 153 | ( w(k,j+1,i) - w(k,j,i) ) * ddy |
|---|
| 154 | ENDIF |
|---|
| 155 | ! |
|---|
| 156 | !-- z-direction |
|---|
| 157 | IF ( w(k,j,i) > 0.0_wp ) THEN |
|---|
| 158 | tend(k,j,i) = tend(k,j,i) - w(k,j,i) * & |
|---|
| 159 | ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 160 | ELSE |
|---|
| 161 | tend(k,j,i) = tend(k,j,i) - w(k,j,i) * & |
|---|
| 162 | ( w(k+1,j,i) - w(k,j,i) ) * ddzw(k+1) |
|---|
| 163 | ENDIF |
|---|
| 164 | |
|---|
| 165 | ENDDO |
|---|
| 166 | ENDDO |
|---|
| 167 | ENDDO |
|---|
| 168 | |
|---|
| 169 | END SUBROUTINE advec_w_up |
|---|
| 170 | |
|---|
| 171 | |
|---|
| 172 | !------------------------------------------------------------------------------! |
|---|
| 173 | ! Description: |
|---|
| 174 | ! ------------ |
|---|
| 175 | !> Call for grid point i,j |
|---|
| 176 | !------------------------------------------------------------------------------! |
|---|
| 177 | SUBROUTINE advec_w_up_ij( i, j ) |
|---|
| 178 | |
|---|
| 179 | USE arrays_3d, & |
|---|
| 180 | ONLY: ddzw, tend, u, v, w |
|---|
| 181 | |
|---|
| 182 | USE control_parameters, & |
|---|
| 183 | ONLY: u_gtrans, v_gtrans |
|---|
| 184 | |
|---|
| 185 | USE grid_variables, & |
|---|
| 186 | ONLY: ddx, ddy |
|---|
| 187 | |
|---|
| 188 | USE indices, & |
|---|
| 189 | ONLY: nzb, nzt |
|---|
| 190 | |
|---|
| 191 | USE kinds |
|---|
| 192 | |
|---|
| 193 | |
|---|
| 194 | IMPLICIT NONE |
|---|
| 195 | |
|---|
| 196 | INTEGER(iwp) :: i !< grid index along x-direction |
|---|
| 197 | INTEGER(iwp) :: j !< grid index along y-direction |
|---|
| 198 | INTEGER(iwp) :: k !< grid index along z-direction |
|---|
| 199 | |
|---|
| 200 | REAL(wp) :: ukomp !< advection velocity along x-direction |
|---|
| 201 | REAL(wp) :: vkomp !< advection velocity along y-direction |
|---|
| 202 | |
|---|
| 203 | |
|---|
| 204 | DO k = nzb+1, nzt-1 |
|---|
| 205 | ! |
|---|
| 206 | !-- x-direction |
|---|
| 207 | ukomp = 0.25_wp * ( u(k,j,i) + u(k,j,i+1) + u(k+1,j,i) + u(k+1,j,i+1) & |
|---|
| 208 | ) - u_gtrans |
|---|
| 209 | IF ( ukomp > 0.0_wp ) THEN |
|---|
| 210 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 211 | ( w(k,j,i) - w(k,j,i-1) ) * ddx |
|---|
| 212 | ELSE |
|---|
| 213 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
|---|
| 214 | ( w(k,j,i+1) - w(k,j,i) ) * ddx |
|---|
| 215 | ENDIF |
|---|
| 216 | ! |
|---|
| 217 | !-- y-direction |
|---|
| 218 | vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + v(k+1,j,i) + v(k+1,j+1,i) & |
|---|
| 219 | ) - v_gtrans |
|---|
| 220 | IF ( vkomp > 0.0_wp ) THEN |
|---|
| 221 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 222 | ( w(k,j,i) - w(k,j-1,i) ) * ddy |
|---|
| 223 | ELSE |
|---|
| 224 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
|---|
| 225 | ( w(k,j+1,i) - w(k,j,i) ) * ddy |
|---|
| 226 | ENDIF |
|---|
| 227 | ! |
|---|
| 228 | !-- z-direction |
|---|
| 229 | IF ( w(k,j,i) > 0.0_wp ) THEN |
|---|
| 230 | tend(k,j,i) = tend(k,j,i) - w(k,j,i) * & |
|---|
| 231 | ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 232 | ELSE |
|---|
| 233 | tend(k,j,i) = tend(k,j,i) - w(k,j,i) * & |
|---|
| 234 | ( w(k+1,j,i) - w(k,j,i) ) * ddzw(k+1) |
|---|
| 235 | ENDIF |
|---|
| 236 | |
|---|
| 237 | ENDDO |
|---|
| 238 | |
|---|
| 239 | END SUBROUTINE advec_w_up_ij |
|---|
| 240 | |
|---|
| 241 | END MODULE advec_w_up_mod |
|---|
