[1873] | 1 | !> @file advec_u_pw.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[2696] | 3 | ! This file is part of the PALM model system. |
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[1036] | 4 | ! |
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[2000] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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[1036] | 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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[3655] | 17 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[484] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[1354] | 22 | ! |
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[2233] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: advec_u_pw.f90 3655 2019-01-07 16:51:22Z schwenkel $ |
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[3547] | 27 | ! variables documented |
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| 28 | ! |
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| 29 | ! 3538 2018-11-20 10:55:41Z suehring |
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[3538] | 30 | ! Remove unnecessary double-masking of topography |
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| 31 | ! |
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| 32 | ! 2718 2018-01-02 08:49:38Z maronga |
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[2716] | 33 | ! Corrected "Former revisions" section |
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| 34 | ! |
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| 35 | ! 2696 2017-12-14 17:12:51Z kanani |
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| 36 | ! Change in file header (GPL part) |
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[1321] | 37 | ! |
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[2716] | 38 | ! 2233 2017-05-30 18:08:54Z suehring |
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| 39 | ! |
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[2233] | 40 | ! 2232 2017-05-30 17:47:52Z suehring |
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| 41 | ! topography representation via flags |
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| 42 | ! |
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[2001] | 43 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 44 | ! Forced header and separation lines into 80 columns |
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| 45 | ! |
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[1874] | 46 | ! 1873 2016-04-18 14:50:06Z maronga |
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| 47 | ! Module renamed (removed _mod) |
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| 48 | ! |
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| 49 | ! |
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[1851] | 50 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 51 | ! Module renamed |
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| 52 | ! |
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| 53 | ! |
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[1683] | 54 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 55 | ! Code annotations made doxygen readable |
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| 56 | ! |
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[1354] | 57 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 58 | ! REAL constants provided with KIND-attribute |
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| 59 | ! |
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[1321] | 60 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 61 | ! ONLY-attribute added to USE-statements, |
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| 62 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 63 | ! kinds are defined in new module kinds, |
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| 64 | ! revision history before 2012 removed, |
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| 65 | ! comment fields (!:) to be used for variable explanations added to |
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| 66 | ! all variable declaration statements |
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[1] | 67 | ! |
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[1037] | 68 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 69 | ! code put under GPL (PALM 3.9) |
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| 70 | ! |
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[1] | 71 | ! Revision 1.1 1997/08/11 06:09:21 raasch |
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| 72 | ! Initial revision |
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| 73 | ! |
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| 74 | ! |
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| 75 | ! Description: |
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| 76 | ! ------------ |
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[1682] | 77 | !> Advection term for u velocity-component using Piacsek and Williams. |
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| 78 | !> Vertical advection at the first grid point above the surface is done with |
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| 79 | !> normal centred differences, because otherwise no information from the surface |
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| 80 | !> would be communicated upwards due to w=0 at K=nzb. |
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[1] | 81 | !------------------------------------------------------------------------------! |
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[1682] | 82 | MODULE advec_u_pw_mod |
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| 83 | |
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[1] | 84 | |
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| 85 | PRIVATE |
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| 86 | PUBLIC advec_u_pw |
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| 87 | |
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| 88 | INTERFACE advec_u_pw |
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| 89 | MODULE PROCEDURE advec_u_pw |
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| 90 | MODULE PROCEDURE advec_u_pw_ij |
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| 91 | END INTERFACE advec_u_pw |
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| 92 | |
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| 93 | CONTAINS |
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| 94 | |
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| 95 | |
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| 96 | !------------------------------------------------------------------------------! |
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[1682] | 97 | ! Description: |
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| 98 | ! ------------ |
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| 99 | !> Call for all grid points |
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[1] | 100 | !------------------------------------------------------------------------------! |
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| 101 | SUBROUTINE advec_u_pw |
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| 102 | |
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[1320] | 103 | USE arrays_3d, & |
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| 104 | ONLY: ddzw, tend, u, v, w |
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[1] | 105 | |
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[1320] | 106 | USE control_parameters, & |
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| 107 | ONLY: u_gtrans, v_gtrans |
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| 108 | |
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| 109 | USE grid_variables, & |
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| 110 | ONLY: ddx, ddy |
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| 111 | |
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| 112 | USE indices, & |
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[3538] | 113 | ONLY: nxlu, nxr, nyn, nys, nzb, nzt |
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[1320] | 114 | |
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| 115 | USE kinds |
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| 116 | |
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| 117 | |
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[1] | 118 | IMPLICIT NONE |
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| 119 | |
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[3547] | 120 | INTEGER(iwp) :: i !< grid index along x-direction |
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| 121 | INTEGER(iwp) :: j !< grid index along y-direction |
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| 122 | INTEGER(iwp) :: k !< grid index along z-direction |
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[1320] | 123 | |
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[3547] | 124 | REAL(wp) :: gu !< Galilei-transformation velocity along x |
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| 125 | REAL(wp) :: gv !< Galilei-transformation velocity along y |
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[1] | 126 | |
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[1353] | 127 | gu = 2.0_wp * u_gtrans |
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| 128 | gv = 2.0_wp * v_gtrans |
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[106] | 129 | DO i = nxlu, nxr |
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[1] | 130 | DO j = nys, nyn |
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[2232] | 131 | DO k = nzb+1, nzt |
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[1353] | 132 | tend(k,j,i) = tend(k,j,i) - 0.25_wp * ( & |
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[1] | 133 | ( u(k,j,i+1) * ( u(k,j,i+1) + u(k,j,i) - gu ) & |
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| 134 | - u(k,j,i-1) * ( u(k,j,i) + u(k,j,i-1) - gu ) ) * ddx & |
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| 135 | + ( u(k,j+1,i) * ( v(k,j+1,i) + v(k,j+1,i-1) - gv ) & |
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| 136 | - u(k,j-1,i) * ( v(k,j,i) + v(k,j,i-1) - gv ) ) * ddy & |
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| 137 | + ( u(k+1,j,i) * ( w(k,j,i) + w(k,j,i-1) ) & |
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| 138 | - u(k-1,j,i) * ( w(k-1,j,i) + w(k-1,j,i-1) ) ) & |
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| 139 | * ddzw(k) & |
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[3538] | 140 | ) |
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[1] | 141 | ENDDO |
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| 142 | ENDDO |
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| 143 | ENDDO |
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| 144 | |
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| 145 | END SUBROUTINE advec_u_pw |
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| 146 | |
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| 147 | |
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| 148 | !------------------------------------------------------------------------------! |
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[1682] | 149 | ! Description: |
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| 150 | ! ------------ |
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| 151 | !> Call for grid point i,j |
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[1] | 152 | !------------------------------------------------------------------------------! |
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| 153 | SUBROUTINE advec_u_pw_ij( i, j ) |
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| 154 | |
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[1320] | 155 | USE arrays_3d, & |
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| 156 | ONLY: ddzw, tend, u, v, w |
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[1] | 157 | |
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[1320] | 158 | USE control_parameters, & |
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| 159 | ONLY: u_gtrans, v_gtrans |
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| 160 | |
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| 161 | USE grid_variables, & |
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| 162 | ONLY: ddx, ddy |
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| 163 | |
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| 164 | USE indices, & |
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[3538] | 165 | ONLY: nzb, nzt |
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[1320] | 166 | |
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| 167 | USE kinds |
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| 168 | |
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| 169 | |
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[1] | 170 | IMPLICIT NONE |
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| 171 | |
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[3547] | 172 | INTEGER(iwp) :: i !< grid index along x-direction |
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| 173 | INTEGER(iwp) :: j !< grid index along y-direction |
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| 174 | INTEGER(iwp) :: k !< grid index along z-direction |
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[1320] | 175 | |
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[3547] | 176 | REAL(wp) :: gu !< Galilei-transformation velocity along x |
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| 177 | REAL(wp) :: gv !< Galilei-transformation velocity along y |
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[1] | 178 | |
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[1353] | 179 | gu = 2.0_wp * u_gtrans |
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| 180 | gv = 2.0_wp * v_gtrans |
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[2232] | 181 | DO k = nzb+1, nzt |
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[1353] | 182 | tend(k,j,i) = tend(k,j,i) - 0.25_wp * ( & |
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[1] | 183 | ( u(k,j,i+1) * ( u(k,j,i+1) + u(k,j,i) - gu ) & |
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| 184 | - u(k,j,i-1) * ( u(k,j,i) + u(k,j,i-1) - gu ) ) * ddx & |
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| 185 | + ( u(k,j+1,i) * ( v(k,j+1,i) + v(k,j+1,i-1) - gv ) & |
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| 186 | - u(k,j-1,i) * ( v(k,j,i) + v(k,j,i-1) - gv ) ) * ddy & |
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| 187 | + ( u(k+1,j,i) * ( w(k,j,i) + w(k,j,i-1) ) & |
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| 188 | - u(k-1,j,i) * ( w(k-1,j,i) + w(k-1,j,i-1) ) ) & |
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| 189 | * ddzw(k) & |
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[3538] | 190 | ) |
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[1] | 191 | ENDDO |
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| 192 | |
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| 193 | END SUBROUTINE advec_u_pw_ij |
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| 194 | |
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| 195 | END MODULE advec_u_pw_mod |
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