[1873] | 1 | !> @file coriolis.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[1036] | 3 | ! This file is part of PALM. |
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| 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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[2101] | 17 | ! Copyright 1997-2017 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[254] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[2232] | 22 | ! Adjustments to new topography concept |
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[1354] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: coriolis.f90 2232 2017-05-30 17:47:52Z suehring $ |
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| 27 | ! |
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[2119] | 28 | ! 2118 2017-01-17 16:38:49Z raasch |
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| 29 | ! OpenACC version of subroutine removed |
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| 30 | ! |
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[2001] | 31 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 32 | ! Forced header and separation lines into 80 columns |
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| 33 | ! |
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[1874] | 34 | ! 1873 2016-04-18 14:50:06Z maronga |
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| 35 | ! Module renamed (removed _mod) |
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| 36 | ! |
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| 37 | ! |
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[1851] | 38 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 39 | ! Module renamed |
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| 40 | ! |
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[1683] | 41 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 42 | ! Code annotations made doxygen readable |
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| 43 | ! |
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[1354] | 44 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 45 | ! REAL constants provided with KIND-attribute |
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| 46 | ! |
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[1321] | 47 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 48 | ! ONLY-attribute added to USE-statements, |
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| 49 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 50 | ! kinds are defined in new module kinds, |
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| 51 | ! revision history before 2012 removed, |
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| 52 | ! comment fields (!:) to be used for variable explanations added to |
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| 53 | ! all variable declaration statements |
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[1321] | 54 | ! |
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[1258] | 55 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 56 | ! openacc loop and loop vector clauses removed |
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| 57 | ! |
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[1132] | 58 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 59 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 60 | ! j_north |
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| 61 | ! |
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[1037] | 62 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 63 | ! code put under GPL (PALM 3.9) |
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| 64 | ! |
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[1017] | 65 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 66 | ! accelerator version (*_acc) added |
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| 67 | ! |
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[1] | 68 | ! Revision 1.1 1997/08/29 08:57:38 raasch |
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| 69 | ! Initial revision |
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| 70 | ! |
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| 71 | ! |
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| 72 | ! Description: |
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| 73 | ! ------------ |
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[1682] | 74 | !> Computation of all Coriolis terms in the equations of motion. |
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[1] | 75 | !------------------------------------------------------------------------------! |
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[1682] | 76 | MODULE coriolis_mod |
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| 77 | |
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[1] | 78 | |
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| 79 | PRIVATE |
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[2118] | 80 | PUBLIC coriolis |
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[1] | 81 | |
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| 82 | INTERFACE coriolis |
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| 83 | MODULE PROCEDURE coriolis |
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| 84 | MODULE PROCEDURE coriolis_ij |
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| 85 | END INTERFACE coriolis |
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| 86 | |
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| 87 | CONTAINS |
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| 88 | |
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| 89 | |
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| 90 | !------------------------------------------------------------------------------! |
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[1682] | 91 | ! Description: |
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| 92 | ! ------------ |
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| 93 | !> Call for all grid points |
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[1] | 94 | !------------------------------------------------------------------------------! |
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| 95 | SUBROUTINE coriolis( component ) |
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| 96 | |
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[1320] | 97 | USE arrays_3d, & |
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| 98 | ONLY: tend, u, ug, v, vg, w |
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| 99 | |
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| 100 | USE control_parameters, & |
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| 101 | ONLY: f, fs, message_string |
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| 102 | |
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| 103 | USE indices, & |
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[2232] | 104 | ONLY: nxl, nxlu, nxr, nyn, nys, nysv, nzb, nzt, wall_flags_0 |
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[1320] | 105 | |
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| 106 | USE kinds |
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[1] | 107 | |
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| 108 | IMPLICIT NONE |
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| 109 | |
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[1682] | 110 | INTEGER(iwp) :: component !< |
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[2232] | 111 | INTEGER(iwp) :: i !< running index x direction |
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| 112 | INTEGER(iwp) :: j !< running index y direction |
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| 113 | INTEGER(iwp) :: k !< running index z direction |
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[1] | 114 | |
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[2232] | 115 | REAL(wp) :: flag !< flag to mask topography |
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[1] | 116 | ! |
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| 117 | !-- Compute Coriolis terms for the three velocity components |
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| 118 | SELECT CASE ( component ) |
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| 119 | |
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| 120 | ! |
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| 121 | !-- u-component |
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| 122 | CASE ( 1 ) |
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[106] | 123 | DO i = nxlu, nxr |
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[1] | 124 | DO j = nys, nyn |
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[2232] | 125 | DO k = nzb+1, nzt |
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| 126 | ! |
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| 127 | !-- Predetermine flag to mask topography |
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| 128 | flag = MERGE( 1.0_wp, 0.0_wp, & |
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| 129 | BTEST( wall_flags_0(k,j,i), 1 ) ) |
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| 130 | |
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[1353] | 131 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25_wp * & |
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[1320] | 132 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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[2232] | 133 | v(k,j+1,i) ) - vg(k) ) * flag & |
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[1353] | 134 | - fs * ( 0.25_wp * & |
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[1320] | 135 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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[2232] | 136 | w(k,j,i) ) & |
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| 137 | ) * flag |
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[1] | 138 | ENDDO |
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| 139 | ENDDO |
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| 140 | ENDDO |
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| 141 | |
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| 142 | ! |
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| 143 | !-- v-component |
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| 144 | CASE ( 2 ) |
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| 145 | DO i = nxl, nxr |
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[106] | 146 | DO j = nysv, nyn |
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[2232] | 147 | DO k = nzb+1, nzt |
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[1353] | 148 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25_wp * & |
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[1320] | 149 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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[2232] | 150 | u(k,j,i+1) ) - ug(k) ) * & |
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| 151 | MERGE( 1.0_wp, 0.0_wp, & |
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| 152 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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[1] | 153 | ENDDO |
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| 154 | ENDDO |
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| 155 | ENDDO |
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| 156 | |
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| 157 | ! |
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| 158 | !-- w-component |
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| 159 | CASE ( 3 ) |
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| 160 | DO i = nxl, nxr |
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| 161 | DO j = nys, nyn |
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[2232] | 162 | DO k = nzb+1, nzt |
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[1353] | 163 | tend(k,j,i) = tend(k,j,i) + fs * 0.25_wp * & |
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[1320] | 164 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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[2232] | 165 | u(k+1,j,i+1) ) * & |
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| 166 | MERGE( 1.0_wp, 0.0_wp, & |
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| 167 | BTEST( wall_flags_0(k,j,i), 3 ) ) |
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[1] | 168 | ENDDO |
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| 169 | ENDDO |
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| 170 | ENDDO |
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| 171 | |
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| 172 | CASE DEFAULT |
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| 173 | |
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[254] | 174 | WRITE( message_string, * ) ' wrong component: ', component |
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| 175 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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[1] | 176 | |
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| 177 | END SELECT |
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| 178 | |
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| 179 | END SUBROUTINE coriolis |
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| 180 | |
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| 181 | |
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| 182 | !------------------------------------------------------------------------------! |
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[1682] | 183 | ! Description: |
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| 184 | ! ------------ |
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| 185 | !> Call for grid point i,j |
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[1] | 186 | !------------------------------------------------------------------------------! |
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| 187 | SUBROUTINE coriolis_ij( i, j, component ) |
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| 188 | |
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[1320] | 189 | USE arrays_3d, & |
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| 190 | ONLY: tend, u, ug, v, vg, w |
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| 191 | |
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| 192 | USE control_parameters, & |
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| 193 | ONLY: f, fs, message_string |
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| 194 | |
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| 195 | USE indices, & |
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[2232] | 196 | ONLY: nzb, nzt, wall_flags_0 |
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[1320] | 197 | |
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| 198 | USE kinds |
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| 199 | |
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[1] | 200 | IMPLICIT NONE |
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| 201 | |
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[1682] | 202 | INTEGER(iwp) :: component !< |
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[2232] | 203 | INTEGER(iwp) :: i !< running index x direction |
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| 204 | INTEGER(iwp) :: j !< running index y direction |
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| 205 | INTEGER(iwp) :: k !< running index z direction |
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[1] | 206 | |
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[2232] | 207 | REAL(wp) :: flag !< flag to mask topography |
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| 208 | |
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[1] | 209 | ! |
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| 210 | !-- Compute Coriolis terms for the three velocity components |
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| 211 | SELECT CASE ( component ) |
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| 212 | |
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| 213 | ! |
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| 214 | !-- u-component |
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| 215 | CASE ( 1 ) |
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[2232] | 216 | DO k = nzb+1, nzt |
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| 217 | ! |
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| 218 | !-- Predetermine flag to mask topography |
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| 219 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 1 ) ) |
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| 220 | |
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| 221 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25_wp * & |
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[1320] | 222 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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[2232] | 223 | v(k,j+1,i) ) - vg(k) ) * flag & |
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[1353] | 224 | - fs * ( 0.25_wp * & |
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[1320] | 225 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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[2232] | 226 | w(k,j,i) ) ) * flag |
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[1] | 227 | ENDDO |
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| 228 | |
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| 229 | ! |
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| 230 | !-- v-component |
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| 231 | CASE ( 2 ) |
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[2232] | 232 | DO k = nzb+1, nzt |
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| 233 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25_wp * & |
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[1320] | 234 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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[2232] | 235 | u(k,j,i+1) ) - ug(k) ) * & |
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| 236 | MERGE( 1.0_wp, 0.0_wp, & |
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| 237 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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[1] | 238 | ENDDO |
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| 239 | |
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| 240 | ! |
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| 241 | !-- w-component |
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| 242 | CASE ( 3 ) |
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[2232] | 243 | DO k = nzb+1, nzt |
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[1353] | 244 | tend(k,j,i) = tend(k,j,i) + fs * 0.25_wp * & |
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[1320] | 245 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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[2232] | 246 | u(k+1,j,i+1) ) * & |
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| 247 | MERGE( 1.0_wp, 0.0_wp, & |
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| 248 | BTEST( wall_flags_0(k,j,i), 3 ) ) |
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[1] | 249 | ENDDO |
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| 250 | |
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| 251 | CASE DEFAULT |
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| 252 | |
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[254] | 253 | WRITE( message_string, * ) ' wrong component: ', component |
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| 254 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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[1] | 255 | |
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| 256 | END SELECT |
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| 257 | |
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| 258 | END SUBROUTINE coriolis_ij |
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| 259 | |
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| 260 | END MODULE coriolis_mod |
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