[1873] | 1 | !> @file coriolis.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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[2718] | 17 | ! Copyright 1997-2018 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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[1354] | 22 | ! |
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[3183] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: coriolis.f90 3241 2018-09-12 15:02:00Z knoop $ |
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[3241] | 27 | ! unused variables removed |
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| 28 | ! |
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| 29 | ! 3183 2018-07-27 14:25:55Z suehring |
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[3183] | 30 | ! Remove masking of geostrophic wind forcing in offline nesting case |
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| 31 | ! |
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| 32 | ! 3182 2018-07-27 13:36:03Z suehring |
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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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[2696] | 37 | ! Forcing implemented, preliminary (MS) |
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| 38 | ! |
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| 39 | ! 2233 2017-05-30 18:08:54Z suehring |
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[1321] | 40 | ! |
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[2233] | 41 | ! 2232 2017-05-30 17:47:52Z suehring |
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| 42 | ! Adjustments to new topography concept |
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| 43 | ! |
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[2119] | 44 | ! 2118 2017-01-17 16:38:49Z raasch |
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| 45 | ! OpenACC version of subroutine removed |
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| 46 | ! |
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[2001] | 47 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 48 | ! Forced header and separation lines into 80 columns |
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| 49 | ! |
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[1874] | 50 | ! 1873 2016-04-18 14:50:06Z maronga |
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| 51 | ! Module renamed (removed _mod) |
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| 52 | ! |
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| 53 | ! |
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[1851] | 54 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 55 | ! Module renamed |
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| 56 | ! |
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[1683] | 57 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 58 | ! Code annotations made doxygen readable |
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| 59 | ! |
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[1354] | 60 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 61 | ! REAL constants provided with KIND-attribute |
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| 62 | ! |
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[1321] | 63 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 64 | ! ONLY-attribute added to USE-statements, |
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| 65 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 66 | ! kinds are defined in new module kinds, |
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| 67 | ! revision history before 2012 removed, |
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| 68 | ! comment fields (!:) to be used for variable explanations added to |
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| 69 | ! all variable declaration statements |
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[1321] | 70 | ! |
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[1258] | 71 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 72 | ! openacc loop and loop vector clauses removed |
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| 73 | ! |
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[1132] | 74 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 75 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 76 | ! j_north |
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| 77 | ! |
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[1037] | 78 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 79 | ! code put under GPL (PALM 3.9) |
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| 80 | ! |
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[1017] | 81 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 82 | ! accelerator version (*_acc) added |
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| 83 | ! |
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[1] | 84 | ! Revision 1.1 1997/08/29 08:57:38 raasch |
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| 85 | ! Initial revision |
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| 86 | ! |
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| 87 | ! |
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| 88 | ! Description: |
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| 89 | ! ------------ |
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[1682] | 90 | !> Computation of all Coriolis terms in the equations of motion. |
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[1] | 91 | !------------------------------------------------------------------------------! |
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[1682] | 92 | MODULE coriolis_mod |
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| 93 | |
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[1] | 94 | |
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| 95 | PRIVATE |
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[2118] | 96 | PUBLIC coriolis |
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[1] | 97 | |
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| 98 | INTERFACE coriolis |
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| 99 | MODULE PROCEDURE coriolis |
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| 100 | MODULE PROCEDURE coriolis_ij |
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| 101 | END INTERFACE coriolis |
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| 102 | |
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| 103 | CONTAINS |
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| 104 | |
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| 105 | |
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| 106 | !------------------------------------------------------------------------------! |
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[1682] | 107 | ! Description: |
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| 108 | ! ------------ |
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| 109 | !> Call for all grid points |
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[1] | 110 | !------------------------------------------------------------------------------! |
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| 111 | SUBROUTINE coriolis( component ) |
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| 112 | |
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[1320] | 113 | USE arrays_3d, & |
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| 114 | ONLY: tend, u, ug, v, vg, w |
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| 115 | |
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| 116 | USE control_parameters, & |
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[3241] | 117 | ONLY: f, fs, message_string |
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[1320] | 118 | |
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| 119 | USE indices, & |
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[2232] | 120 | ONLY: nxl, nxlu, nxr, nyn, nys, nysv, nzb, nzt, wall_flags_0 |
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[1320] | 121 | |
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| 122 | USE kinds |
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[1] | 123 | |
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| 124 | IMPLICIT NONE |
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| 125 | |
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[1682] | 126 | INTEGER(iwp) :: component !< |
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[2232] | 127 | INTEGER(iwp) :: i !< running index x direction |
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| 128 | INTEGER(iwp) :: j !< running index y direction |
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| 129 | INTEGER(iwp) :: k !< running index z direction |
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[1] | 130 | |
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[3182] | 131 | REAL(wp) :: flag !< flag to mask topography |
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[2696] | 132 | |
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[1] | 133 | ! |
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| 134 | !-- Compute Coriolis terms for the three velocity components |
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| 135 | SELECT CASE ( component ) |
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| 136 | |
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| 137 | ! |
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| 138 | !-- u-component |
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| 139 | CASE ( 1 ) |
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[106] | 140 | DO i = nxlu, nxr |
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[1] | 141 | DO j = nys, nyn |
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[2232] | 142 | DO k = nzb+1, nzt |
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| 143 | ! |
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[2696] | 144 | !-- Predetermine flag to mask topography |
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[2232] | 145 | flag = MERGE( 1.0_wp, 0.0_wp, & |
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| 146 | BTEST( wall_flags_0(k,j,i), 1 ) ) |
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| 147 | |
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[1353] | 148 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25_wp * & |
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[1320] | 149 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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[3182] | 150 | v(k,j+1,i) ) - vg(k) ) * flag & |
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[1353] | 151 | - fs * ( 0.25_wp * & |
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[1320] | 152 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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[2232] | 153 | w(k,j,i) ) & |
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[2696] | 154 | ) * flag |
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[1] | 155 | ENDDO |
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| 156 | ENDDO |
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| 157 | ENDDO |
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| 158 | |
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| 159 | ! |
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| 160 | !-- v-component |
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| 161 | CASE ( 2 ) |
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| 162 | DO i = nxl, nxr |
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[106] | 163 | DO j = nysv, nyn |
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[2232] | 164 | DO k = nzb+1, nzt |
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[2696] | 165 | ! |
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| 166 | !-- Predetermine flag to mask topography |
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| 167 | flag = MERGE( 1.0_wp, 0.0_wp, & |
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| 168 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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| 169 | |
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[1353] | 170 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25_wp * & |
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[1320] | 171 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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[3182] | 172 | u(k,j,i+1) ) - ug(k) ) * flag |
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[1] | 173 | ENDDO |
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| 174 | ENDDO |
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| 175 | ENDDO |
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| 176 | |
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| 177 | ! |
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| 178 | !-- w-component |
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| 179 | CASE ( 3 ) |
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| 180 | DO i = nxl, nxr |
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| 181 | DO j = nys, nyn |
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[2232] | 182 | DO k = nzb+1, nzt |
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[2696] | 183 | ! |
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| 184 | !-- Predetermine flag to mask topography |
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| 185 | flag = MERGE( 1.0_wp, 0.0_wp, & |
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| 186 | BTEST( wall_flags_0(k,j,i), 3 ) ) |
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| 187 | |
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[1353] | 188 | tend(k,j,i) = tend(k,j,i) + fs * 0.25_wp * & |
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[1320] | 189 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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[2696] | 190 | u(k+1,j,i+1) ) * flag |
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[1] | 191 | ENDDO |
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| 192 | ENDDO |
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| 193 | ENDDO |
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| 194 | |
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| 195 | CASE DEFAULT |
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| 196 | |
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[254] | 197 | WRITE( message_string, * ) ' wrong component: ', component |
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| 198 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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[1] | 199 | |
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| 200 | END SELECT |
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| 201 | |
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| 202 | END SUBROUTINE coriolis |
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| 203 | |
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| 204 | |
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| 205 | !------------------------------------------------------------------------------! |
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[1682] | 206 | ! Description: |
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| 207 | ! ------------ |
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| 208 | !> Call for grid point i,j |
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[1] | 209 | !------------------------------------------------------------------------------! |
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| 210 | SUBROUTINE coriolis_ij( i, j, component ) |
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| 211 | |
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[1320] | 212 | USE arrays_3d, & |
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| 213 | ONLY: tend, u, ug, v, vg, w |
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| 214 | |
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| 215 | USE control_parameters, & |
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[3241] | 216 | ONLY: f, fs, message_string |
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[1320] | 217 | |
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| 218 | USE indices, & |
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[2232] | 219 | ONLY: nzb, nzt, wall_flags_0 |
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[1320] | 220 | |
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| 221 | USE kinds |
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| 222 | |
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[1] | 223 | IMPLICIT NONE |
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| 224 | |
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[1682] | 225 | INTEGER(iwp) :: component !< |
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[2232] | 226 | INTEGER(iwp) :: i !< running index x direction |
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| 227 | INTEGER(iwp) :: j !< running index y direction |
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| 228 | INTEGER(iwp) :: k !< running index z direction |
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[1] | 229 | |
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[2232] | 230 | REAL(wp) :: flag !< flag to mask topography |
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| 231 | |
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[1] | 232 | ! |
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| 233 | !-- Compute Coriolis terms for the three velocity components |
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| 234 | SELECT CASE ( component ) |
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| 235 | |
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| 236 | ! |
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| 237 | !-- u-component |
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| 238 | CASE ( 1 ) |
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[2232] | 239 | DO k = nzb+1, nzt |
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| 240 | ! |
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| 241 | !-- Predetermine flag to mask topography |
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| 242 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 1 ) ) |
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| 243 | |
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| 244 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25_wp * & |
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[1320] | 245 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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[3182] | 246 | v(k,j+1,i) ) - vg(k) & |
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[2696] | 247 | ) * flag & |
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| 248 | - fs * ( 0.25_wp * & |
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[1320] | 249 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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[2696] | 250 | w(k,j,i) ) ) * flag |
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[1] | 251 | ENDDO |
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| 252 | |
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| 253 | ! |
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| 254 | !-- v-component |
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| 255 | CASE ( 2 ) |
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[2232] | 256 | DO k = nzb+1, nzt |
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[2696] | 257 | ! |
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| 258 | !-- Predetermine flag to mask topography |
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| 259 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 2 ) ) |
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| 260 | |
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[2232] | 261 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25_wp * & |
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[1320] | 262 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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[3182] | 263 | u(k,j,i+1) ) - ug(k) ) * flag |
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[1] | 264 | ENDDO |
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| 265 | |
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| 266 | ! |
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| 267 | !-- w-component |
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| 268 | CASE ( 3 ) |
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[2232] | 269 | DO k = nzb+1, nzt |
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[2696] | 270 | ! |
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| 271 | !-- Predetermine flag to mask topography |
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| 272 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 3 ) ) |
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| 273 | |
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[1353] | 274 | tend(k,j,i) = tend(k,j,i) + fs * 0.25_wp * & |
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[1320] | 275 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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[2696] | 276 | u(k+1,j,i+1) ) * flag |
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[1] | 277 | ENDDO |
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| 278 | |
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| 279 | CASE DEFAULT |
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| 280 | |
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[254] | 281 | WRITE( message_string, * ) ' wrong component: ', component |
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| 282 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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[1] | 283 | |
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| 284 | END SELECT |
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| 285 | |
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| 286 | END SUBROUTINE coriolis_ij |
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| 287 | |
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| 288 | END MODULE coriolis_mod |
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