| 1 | MODULE coriolis_mod |
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| 2 | |
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| 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 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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| 17 | ! Copyright 1997-2012 Leibniz University Hannover |
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| 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ----------------- |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: coriolis.f90 1132 2013-04-12 14:35:30Z witha $ |
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| 27 | ! |
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| 28 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 29 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 30 | ! j_north |
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| 31 | ! |
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| 32 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 33 | ! code put under GPL (PALM 3.9) |
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| 34 | ! |
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| 35 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 36 | ! accelerator version (*_acc) added |
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| 37 | ! |
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| 38 | ! 254 2009-03-05 15:33:42Z heinze |
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| 39 | ! Output of messages replaced by message handling routine. |
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| 40 | ! |
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| 41 | ! 106 2007-08-16 14:30:26Z raasch |
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| 42 | ! loops for u and v are starting from index nxlu, nysv, respectively (needed |
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| 43 | ! for non-cyclic boundary conditions) |
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| 44 | ! |
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| 45 | ! 75 2007-03-22 09:54:05Z raasch |
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| 46 | ! uxrp, vynp eliminated |
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| 47 | ! |
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| 48 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 49 | ! |
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| 50 | ! Revision 1.12 2006/02/23 10:08:57 raasch |
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| 51 | ! nzb_2d replaced by nzb_u/v/w_inner |
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| 52 | ! |
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| 53 | ! Revision 1.1 1997/08/29 08:57:38 raasch |
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| 54 | ! Initial revision |
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| 55 | ! |
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| 56 | ! |
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| 57 | ! Description: |
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| 58 | ! ------------ |
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| 59 | ! Computation of all Coriolis terms in the equations of motion. |
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| 60 | !------------------------------------------------------------------------------! |
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| 61 | |
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| 62 | PRIVATE |
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| 63 | PUBLIC coriolis, coriolis_acc |
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| 64 | |
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| 65 | INTERFACE coriolis |
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| 66 | MODULE PROCEDURE coriolis |
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| 67 | MODULE PROCEDURE coriolis_ij |
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| 68 | END INTERFACE coriolis |
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| 69 | |
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| 70 | INTERFACE coriolis_acc |
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| 71 | MODULE PROCEDURE coriolis_acc |
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| 72 | END INTERFACE coriolis_acc |
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| 73 | |
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| 74 | CONTAINS |
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| 75 | |
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| 76 | |
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| 77 | !------------------------------------------------------------------------------! |
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| 78 | ! Call for all grid points |
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| 79 | !------------------------------------------------------------------------------! |
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| 80 | SUBROUTINE coriolis( component ) |
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| 81 | |
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| 82 | USE arrays_3d |
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| 83 | USE control_parameters |
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| 84 | USE indices |
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| 85 | USE pegrid |
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| 86 | |
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| 87 | IMPLICIT NONE |
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| 88 | |
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| 89 | INTEGER :: component, i, j, k |
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| 90 | |
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| 91 | |
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| 92 | ! |
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| 93 | !-- Compute Coriolis terms for the three velocity components |
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| 94 | SELECT CASE ( component ) |
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| 95 | |
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| 96 | ! |
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| 97 | !-- u-component |
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| 98 | CASE ( 1 ) |
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| 99 | DO i = nxlu, nxr |
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| 100 | DO j = nys, nyn |
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| 101 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 102 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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| 103 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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| 104 | v(k,j+1,i) ) - vg(k) ) & |
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| 105 | - fs * ( 0.25 * & |
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| 106 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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| 107 | w(k,j,i) ) & |
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| 108 | ) |
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| 109 | ENDDO |
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| 110 | ENDDO |
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| 111 | ENDDO |
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| 112 | |
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| 113 | ! |
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| 114 | !-- v-component |
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| 115 | CASE ( 2 ) |
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| 116 | DO i = nxl, nxr |
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| 117 | DO j = nysv, nyn |
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| 118 | DO k = nzb_v_inner(j,i)+1, nzt |
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| 119 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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| 120 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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| 121 | u(k,j,i+1) ) - ug(k) ) |
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| 122 | ENDDO |
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| 123 | ENDDO |
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| 124 | ENDDO |
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| 125 | |
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| 126 | ! |
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| 127 | !-- w-component |
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| 128 | CASE ( 3 ) |
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| 129 | DO i = nxl, nxr |
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| 130 | DO j = nys, nyn |
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| 131 | DO k = nzb_w_inner(j,i)+1, nzt |
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| 132 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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| 133 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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| 134 | u(k+1,j,i+1) ) |
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| 135 | ENDDO |
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| 136 | ENDDO |
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| 137 | ENDDO |
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| 138 | |
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| 139 | CASE DEFAULT |
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| 140 | |
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| 141 | WRITE( message_string, * ) ' wrong component: ', component |
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| 142 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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| 143 | |
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| 144 | END SELECT |
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| 145 | |
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| 146 | END SUBROUTINE coriolis |
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| 147 | |
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| 148 | |
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| 149 | !------------------------------------------------------------------------------! |
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| 150 | ! Call for all grid points - accelerator version |
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| 151 | !------------------------------------------------------------------------------! |
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| 152 | SUBROUTINE coriolis_acc( component ) |
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| 153 | |
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| 154 | USE arrays_3d |
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| 155 | USE control_parameters |
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| 156 | USE indices |
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| 157 | USE pegrid |
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| 158 | |
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| 159 | IMPLICIT NONE |
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| 160 | |
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| 161 | INTEGER :: component, i, j, k |
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| 162 | |
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| 163 | |
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| 164 | ! |
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| 165 | !-- Compute Coriolis terms for the three velocity components |
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| 166 | SELECT CASE ( component ) |
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| 167 | |
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| 168 | ! |
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| 169 | !-- u-component |
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| 170 | CASE ( 1 ) |
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| 171 | !$acc kernels present( nzb_u_inner, tend, v, vg, w ) |
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| 172 | !$acc loop |
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| 173 | DO i = i_left, i_right |
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| 174 | DO j = j_south, j_north |
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| 175 | !$acc loop vector( 32 ) |
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| 176 | DO k = 1, nzt |
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| 177 | IF ( k > nzb_u_inner(j,i) ) THEN |
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| 178 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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| 179 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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| 180 | v(k,j+1,i) ) - vg(k) ) & |
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| 181 | - fs * ( 0.25 * & |
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| 182 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) & |
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| 183 | + w(k,j,i) ) & |
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| 184 | ) |
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| 185 | ENDIF |
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| 186 | ENDDO |
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| 187 | ENDDO |
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| 188 | ENDDO |
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| 189 | !$acc end kernels |
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| 190 | |
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| 191 | ! |
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| 192 | !-- v-component |
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| 193 | CASE ( 2 ) |
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| 194 | !$acc kernels present( nzb_v_inner, tend, u, ug ) |
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| 195 | !$acc loop |
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| 196 | DO i = i_left, i_right |
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| 197 | DO j = j_south, j_north |
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| 198 | !$acc loop vector( 32 ) |
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| 199 | DO k = 1, nzt |
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| 200 | IF ( k > nzb_v_inner(j,i) ) THEN |
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| 201 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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| 202 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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| 203 | u(k,j,i+1) ) - ug(k) ) |
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| 204 | ENDIF |
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| 205 | ENDDO |
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| 206 | ENDDO |
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| 207 | ENDDO |
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| 208 | !$acc end kernels |
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| 209 | |
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| 210 | ! |
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| 211 | !-- w-component |
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| 212 | CASE ( 3 ) |
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| 213 | !$acc kernels present( nzb_w_inner, tend, u ) |
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| 214 | !$acc loop |
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| 215 | DO i = i_left, i_right |
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| 216 | DO j = j_south, j_north |
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| 217 | !$acc loop vector( 32 ) |
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| 218 | DO k = 1, nzt |
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| 219 | IF ( k > nzb_w_inner(j,i) ) THEN |
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| 220 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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| 221 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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| 222 | u(k+1,j,i+1) ) |
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| 223 | ENDIF |
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| 224 | ENDDO |
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| 225 | ENDDO |
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| 226 | ENDDO |
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| 227 | !$acc end kernels |
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| 228 | |
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| 229 | CASE DEFAULT |
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| 230 | |
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| 231 | WRITE( message_string, * ) ' wrong component: ', component |
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| 232 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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| 233 | |
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| 234 | END SELECT |
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| 235 | |
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| 236 | END SUBROUTINE coriolis_acc |
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| 237 | |
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| 238 | |
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| 239 | !------------------------------------------------------------------------------! |
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| 240 | ! Call for grid point i,j |
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| 241 | !------------------------------------------------------------------------------! |
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| 242 | SUBROUTINE coriolis_ij( i, j, component ) |
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| 243 | |
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| 244 | USE arrays_3d |
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| 245 | USE control_parameters |
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| 246 | USE indices |
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| 247 | USE pegrid |
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| 248 | |
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| 249 | IMPLICIT NONE |
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| 250 | |
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| 251 | INTEGER :: component, i, j, k |
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| 252 | |
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| 253 | ! |
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| 254 | !-- Compute Coriolis terms for the three velocity components |
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| 255 | SELECT CASE ( component ) |
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| 256 | |
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| 257 | ! |
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| 258 | !-- u-component |
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| 259 | CASE ( 1 ) |
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| 260 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 261 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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| 262 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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| 263 | v(k,j+1,i) ) - vg(k) ) & |
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| 264 | - fs * ( 0.25 * & |
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| 265 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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| 266 | w(k,j,i) ) & |
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| 267 | ) |
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| 268 | ENDDO |
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| 269 | |
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| 270 | ! |
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| 271 | !-- v-component |
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| 272 | CASE ( 2 ) |
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| 273 | DO k = nzb_v_inner(j,i)+1, nzt |
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| 274 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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| 275 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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| 276 | u(k,j,i+1) ) - ug(k) ) |
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| 277 | ENDDO |
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| 278 | |
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| 279 | ! |
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| 280 | !-- w-component |
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| 281 | CASE ( 3 ) |
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| 282 | DO k = nzb_w_inner(j,i)+1, nzt |
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| 283 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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| 284 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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| 285 | u(k+1,j,i+1) ) |
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| 286 | ENDDO |
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| 287 | |
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| 288 | CASE DEFAULT |
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| 289 | |
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| 290 | WRITE( message_string, * ) ' wrong component: ', component |
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| 291 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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| 292 | |
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| 293 | END SELECT |
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| 294 | |
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| 295 | END SUBROUTINE coriolis_ij |
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| 296 | |
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| 297 | END MODULE coriolis_mod |
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