[1850] | 1 | !> @file diffusion_e_mod.f90 |
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[1036] | 2 | !--------------------------------------------------------------------------------! |
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| 3 | ! This file is part of PALM. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 6 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 7 | ! either version 3 of the License, or (at your option) any later version. |
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| 8 | ! |
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| 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 10 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 11 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 12 | ! |
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| 13 | ! You should have received a copy of the GNU General Public License along with |
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| 14 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 15 | ! |
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[1818] | 16 | ! Copyright 1997-2016 Leibniz Universitaet Hannover |
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[1036] | 17 | !--------------------------------------------------------------------------------! |
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| 18 | ! |
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[484] | 19 | ! Current revisions: |
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[1] | 20 | ! ----------------- |
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[1850] | 21 | ! Module renamed |
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[1849] | 22 | ! Adapted for modularization of microphysics |
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[1341] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: diffusion_e_mod.f90 1850 2016-04-08 13:29:27Z maronga $ |
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| 27 | ! |
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[1832] | 28 | ! 1831 2016-04-07 13:15:51Z hoffmann |
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| 29 | ! turbulence renamed collision_turbulence |
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| 30 | ! |
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[1683] | 31 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 32 | ! Code annotations made doxygen readable |
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| 33 | ! |
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[1375] | 34 | ! 1374 2014-04-25 12:55:07Z raasch |
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| 35 | ! missing variables added to ONLY list |
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| 36 | ! rif removed from acc-present-list |
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| 37 | ! |
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[1341] | 38 | ! 1340 2014-03-25 19:45:13Z kanani |
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| 39 | ! REAL constants defined as wp-kind |
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| 40 | ! |
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[1321] | 41 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 42 | ! ONLY-attribute added to USE-statements, |
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| 43 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 44 | ! kinds are defined in new module kinds, |
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| 45 | ! revision history before 2012 removed, |
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| 46 | ! comment fields (!:) to be used for variable explanations added to |
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| 47 | ! all variable declaration statements |
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[98] | 48 | ! |
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[1258] | 49 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 50 | ! openacc loop and loop vector clauses removed |
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| 51 | ! |
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[1182] | 52 | ! 1179 2013-06-14 05:57:58Z raasch |
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| 53 | ! use_reference renamed use_single_reference_value |
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| 54 | ! |
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[1172] | 55 | ! 1171 2013-05-30 11:27:45Z raasch |
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| 56 | ! use_reference-case activated in accelerator version |
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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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[1066] | 62 | ! 1065 2012-11-22 17:42:36Z hoffmann |
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| 63 | ! Enabled the claculation of diss in case of turbulence = .TRUE. (parameterized |
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| 64 | ! effects of turbulence on autoconversion and accretion in two-moments cloud |
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| 65 | ! physics scheme). |
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| 66 | ! |
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[1037] | 67 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 68 | ! code put under GPL (PALM 3.9) |
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| 69 | ! |
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[1017] | 70 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 71 | ! accelerator version (*_acc) added, |
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| 72 | ! adjustment of mixing length to the Prandtl mixing length at first grid point |
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| 73 | ! above ground removed |
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| 74 | ! |
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[1011] | 75 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 76 | ! cpp switch __nopointer added for pointer free version |
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| 77 | ! |
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[1002] | 78 | ! 1001 2012-09-13 14:08:46Z raasch |
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| 79 | ! most arrays comunicated by module instead of parameter list |
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| 80 | ! |
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[826] | 81 | ! 825 2012-02-19 03:03:44Z raasch |
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| 82 | ! wang_collision_kernel renamed wang_kernel |
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| 83 | ! |
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[1] | 84 | ! Revision 1.1 1997/09/19 07:40:24 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 | !> Diffusion- and dissipation terms for the TKE |
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[1] | 91 | !------------------------------------------------------------------------------! |
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[1682] | 92 | MODULE diffusion_e_mod |
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| 93 | |
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[1] | 94 | |
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| 95 | PRIVATE |
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[1015] | 96 | PUBLIC diffusion_e, diffusion_e_acc |
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[1] | 97 | |
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| 98 | |
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| 99 | INTERFACE diffusion_e |
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| 100 | MODULE PROCEDURE diffusion_e |
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| 101 | MODULE PROCEDURE diffusion_e_ij |
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| 102 | END INTERFACE diffusion_e |
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| 103 | |
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[1015] | 104 | INTERFACE diffusion_e_acc |
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| 105 | MODULE PROCEDURE diffusion_e_acc |
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| 106 | END INTERFACE diffusion_e_acc |
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| 107 | |
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[1] | 108 | CONTAINS |
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| 109 | |
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| 110 | |
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| 111 | !------------------------------------------------------------------------------! |
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[1682] | 112 | ! Description: |
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| 113 | ! ------------ |
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| 114 | !> Call for all grid points |
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[1] | 115 | !------------------------------------------------------------------------------! |
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[1001] | 116 | SUBROUTINE diffusion_e( var, var_reference ) |
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[1] | 117 | |
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[1320] | 118 | USE arrays_3d, & |
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| 119 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw |
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| 120 | |
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| 121 | USE control_parameters, & |
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[1831] | 122 | ONLY: atmos_ocean_sign, g, use_single_reference_value, & |
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[1320] | 123 | wall_adjustment, wall_adjustment_factor |
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[1831] | 124 | |
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[1320] | 125 | USE grid_variables, & |
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| 126 | ONLY: ddx2, ddy2 |
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| 127 | |
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| 128 | USE indices, & |
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[1374] | 129 | ONLY: nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg, nzb, nzb_s_inner,& |
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| 130 | nzt |
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[1320] | 131 | |
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| 132 | USE kinds |
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[1849] | 133 | |
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| 134 | USE microphysics_mod, & |
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| 135 | ONLY: collision_turbulence |
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| 136 | |
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[1320] | 137 | USE particle_attributes, & |
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| 138 | ONLY: use_sgs_for_particles, wang_kernel |
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[1] | 139 | |
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| 140 | IMPLICIT NONE |
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| 141 | |
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[1682] | 142 | INTEGER(iwp) :: i !< |
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| 143 | INTEGER(iwp) :: j !< |
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| 144 | INTEGER(iwp) :: k !< |
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| 145 | REAL(wp) :: dvar_dz !< |
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| 146 | REAL(wp) :: l_stable !< |
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| 147 | REAL(wp) :: var_reference !< |
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[1001] | 148 | |
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[1010] | 149 | #if defined( __nopointer ) |
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[1682] | 150 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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[1010] | 151 | #else |
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[1682] | 152 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< |
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[1010] | 153 | #endif |
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[1682] | 154 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: dissipation !< |
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| 155 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: l !< |
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| 156 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: ll !< |
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[1] | 157 | |
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| 158 | |
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| 159 | ! |
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[65] | 160 | !-- This if clause must be outside the k-loop because otherwise |
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| 161 | !-- runtime errors occur with -C hopt on NEC |
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[1179] | 162 | IF ( use_single_reference_value ) THEN |
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[65] | 163 | |
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| 164 | DO i = nxl, nxr |
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| 165 | DO j = nys, nyn |
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| 166 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 167 | ! |
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[65] | 168 | !-- Calculate the mixing length (for dissipation) |
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[97] | 169 | dvar_dz = atmos_ocean_sign * & |
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| 170 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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[1340] | 171 | IF ( dvar_dz > 0.0_wp ) THEN |
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| 172 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
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| 173 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
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[57] | 174 | ELSE |
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[65] | 175 | l_stable = l_grid(k) |
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[57] | 176 | ENDIF |
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[1] | 177 | ! |
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[65] | 178 | !-- Adjustment of the mixing length |
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| 179 | IF ( wall_adjustment ) THEN |
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[94] | 180 | l(k,j) = MIN( wall_adjustment_factor * & |
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| 181 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 182 | l_grid(k), l_stable ) |
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| 183 | ll(k,j) = MIN( wall_adjustment_factor * & |
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| 184 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 185 | l_grid(k) ) |
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[65] | 186 | ELSE |
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| 187 | l(k,j) = MIN( l_grid(k), l_stable ) |
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| 188 | ll(k,j) = l_grid(k) |
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| 189 | ENDIF |
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[1] | 190 | |
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[65] | 191 | ENDDO |
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[1] | 192 | ENDDO |
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[65] | 193 | |
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[1] | 194 | ! |
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[65] | 195 | !-- Calculate the tendency terms |
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| 196 | DO j = nys, nyn |
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| 197 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 198 | |
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[1340] | 199 | dissipation(k,j) = ( 0.19_wp + 0.74_wp * l(k,j) / ll(k,j) ) * & |
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[65] | 200 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
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[1] | 201 | |
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[65] | 202 | tend(k,j,i) = tend(k,j,i) & |
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[1] | 203 | + ( & |
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| 204 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 205 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 206 | ) * ddx2 & |
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| 207 | + ( & |
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| 208 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 209 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 210 | ) * ddy2 & |
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| 211 | + ( & |
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| 212 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
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| 213 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 214 | ) * ddzw(k) & |
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| 215 | - dissipation(k,j) |
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| 216 | |
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[65] | 217 | ENDDO |
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[1] | 218 | ENDDO |
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[65] | 219 | |
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| 220 | ! |
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| 221 | !-- Store dissipation if needed for calculating the sgs particle |
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| 222 | !-- velocities |
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[1065] | 223 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 224 | collision_turbulence ) THEN |
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[65] | 225 | DO j = nys, nyn |
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| 226 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 227 | diss(k,j,i) = dissipation(k,j) |
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| 228 | ENDDO |
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| 229 | ENDDO |
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| 230 | ENDIF |
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| 231 | |
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[1] | 232 | ENDDO |
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| 233 | |
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[65] | 234 | ELSE |
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| 235 | |
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| 236 | DO i = nxl, nxr |
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| 237 | DO j = nys, nyn |
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| 238 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 239 | ! |
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| 240 | !-- Calculate the mixing length (for dissipation) |
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[97] | 241 | dvar_dz = atmos_ocean_sign * & |
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| 242 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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[1340] | 243 | IF ( dvar_dz > 0.0_wp ) THEN |
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| 244 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
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| 245 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
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[65] | 246 | ELSE |
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| 247 | l_stable = l_grid(k) |
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| 248 | ENDIF |
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| 249 | ! |
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| 250 | !-- Adjustment of the mixing length |
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| 251 | IF ( wall_adjustment ) THEN |
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[94] | 252 | l(k,j) = MIN( wall_adjustment_factor * & |
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| 253 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 254 | l_grid(k), l_stable ) |
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| 255 | ll(k,j) = MIN( wall_adjustment_factor * & |
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| 256 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 257 | l_grid(k) ) |
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[65] | 258 | ELSE |
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| 259 | l(k,j) = MIN( l_grid(k), l_stable ) |
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| 260 | ll(k,j) = l_grid(k) |
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| 261 | ENDIF |
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| 262 | |
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| 263 | ENDDO |
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| 264 | ENDDO |
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| 265 | |
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| 266 | ! |
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| 267 | !-- Calculate the tendency terms |
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[1] | 268 | DO j = nys, nyn |
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[19] | 269 | DO k = nzb_s_inner(j,i)+1, nzt |
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[65] | 270 | |
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[1340] | 271 | dissipation(k,j) = ( 0.19_wp + 0.74_wp * l(k,j) / ll(k,j) ) * & |
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| 272 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
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[65] | 273 | |
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| 274 | tend(k,j,i) = tend(k,j,i) & |
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| 275 | + ( & |
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| 276 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 277 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 278 | ) * ddx2 & |
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| 279 | + ( & |
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| 280 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 281 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 282 | ) * ddy2 & |
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| 283 | + ( & |
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| 284 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
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| 285 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 286 | ) * ddzw(k) & |
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| 287 | - dissipation(k,j) |
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| 288 | |
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[1] | 289 | ENDDO |
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| 290 | ENDDO |
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| 291 | |
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[65] | 292 | ! |
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| 293 | !-- Store dissipation if needed for calculating the sgs particle |
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| 294 | !-- velocities |
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[1065] | 295 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 296 | collision_turbulence ) THEN |
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[65] | 297 | DO j = nys, nyn |
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| 298 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 299 | diss(k,j,i) = dissipation(k,j) |
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| 300 | ENDDO |
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| 301 | ENDDO |
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| 302 | ENDIF |
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[1] | 303 | |
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[65] | 304 | ENDDO |
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| 305 | |
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| 306 | ENDIF |
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| 307 | |
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[1] | 308 | ! |
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| 309 | !-- Boundary condition for dissipation |
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[1849] | 310 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 311 | collision_turbulence ) THEN |
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[1] | 312 | DO i = nxl, nxr |
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| 313 | DO j = nys, nyn |
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| 314 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 315 | ENDDO |
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| 316 | ENDDO |
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| 317 | ENDIF |
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| 318 | |
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| 319 | END SUBROUTINE diffusion_e |
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| 320 | |
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| 321 | |
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| 322 | !------------------------------------------------------------------------------! |
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[1682] | 323 | ! Description: |
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| 324 | ! ------------ |
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| 325 | !> Call for all grid points - accelerator version |
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[1015] | 326 | !------------------------------------------------------------------------------! |
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| 327 | SUBROUTINE diffusion_e_acc( var, var_reference ) |
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| 328 | |
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[1320] | 329 | USE arrays_3d, & |
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| 330 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw |
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| 331 | |
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| 332 | USE control_parameters, & |
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[1831] | 333 | ONLY: atmos_ocean_sign, g, use_single_reference_value, & |
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[1320] | 334 | wall_adjustment, wall_adjustment_factor |
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[1831] | 335 | |
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[1320] | 336 | USE grid_variables, & |
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| 337 | ONLY: ddx2, ddy2 |
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| 338 | |
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| 339 | USE indices, & |
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[1374] | 340 | ONLY: i_left, i_right, j_north, j_south, nxlg, nxrg, nyng, nysg, & |
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| 341 | nzb, nzb_s_inner, nzt |
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[1320] | 342 | |
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| 343 | USE kinds |
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[1849] | 344 | |
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| 345 | USE microphysics_mod, & |
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| 346 | ONLY: collision_turbulence |
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| 347 | |
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[1320] | 348 | USE particle_attributes, & |
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| 349 | ONLY: use_sgs_for_particles, wang_kernel |
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[1015] | 350 | |
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| 351 | IMPLICIT NONE |
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| 352 | |
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[1682] | 353 | INTEGER(iwp) :: i !< |
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| 354 | INTEGER(iwp) :: j !< |
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| 355 | INTEGER(iwp) :: k !< |
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| 356 | REAL(wp) :: dissipation !< |
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| 357 | REAL(wp) :: dvar_dz !< |
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| 358 | REAL(wp) :: l !< |
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| 359 | REAL(wp) :: ll !< |
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| 360 | REAL(wp) :: l_stable !< |
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| 361 | REAL(wp) :: var_reference !< |
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[1015] | 362 | |
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| 363 | #if defined( __nopointer ) |
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[1682] | 364 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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[1015] | 365 | #else |
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[1682] | 366 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< |
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[1015] | 367 | #endif |
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| 368 | |
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| 369 | |
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| 370 | ! |
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| 371 | !-- This if clause must be outside the k-loop because otherwise |
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| 372 | !-- runtime errors occur with -C hopt on NEC |
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[1179] | 373 | IF ( use_single_reference_value ) THEN |
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[1171] | 374 | |
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| 375 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
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[1374] | 376 | !$acc present( nzb_s_inner, tend, var, zu, zw ) |
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[1171] | 377 | DO i = i_left, i_right |
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| 378 | DO j = j_south, j_north |
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| 379 | DO k = 1, nzt |
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| 380 | |
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| 381 | IF ( k > nzb_s_inner(j,i) ) THEN |
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[1015] | 382 | ! |
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[1171] | 383 | !-- Calculate the mixing length (for dissipation) |
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| 384 | dvar_dz = atmos_ocean_sign * & |
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| 385 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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[1340] | 386 | IF ( dvar_dz > 0.0_wp ) THEN |
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| 387 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
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| 388 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
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[1171] | 389 | ELSE |
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| 390 | l_stable = l_grid(k) |
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| 391 | ENDIF |
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[1015] | 392 | ! |
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[1171] | 393 | !-- Adjustment of the mixing length |
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| 394 | IF ( wall_adjustment ) THEN |
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| 395 | l = MIN( wall_adjustment_factor * & |
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| 396 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 397 | l_grid(k), l_stable ) |
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| 398 | ll = MIN( wall_adjustment_factor * & |
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| 399 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 400 | l_grid(k) ) |
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| 401 | ELSE |
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| 402 | l = MIN( l_grid(k), l_stable ) |
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| 403 | ll = l_grid(k) |
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| 404 | ENDIF |
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[1015] | 405 | ! |
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[1171] | 406 | !-- Calculate the tendency terms |
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[1340] | 407 | dissipation = ( 0.19_wp + 0.74_wp * l / ll ) * & |
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| 408 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
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[1171] | 409 | |
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| 410 | tend(k,j,i) = tend(k,j,i) & |
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| 411 | + ( & |
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| 412 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 413 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 414 | ) * ddx2 & |
---|
| 415 | + ( & |
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| 416 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 417 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 418 | ) * ddy2 & |
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| 419 | + ( & |
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| 420 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
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| 421 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 422 | ) * ddzw(k) & |
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| 423 | - dissipation |
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| 424 | |
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[1015] | 425 | ! |
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[1171] | 426 | !-- Store dissipation if needed for calculating the sgs particle |
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| 427 | !-- velocities |
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| 428 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 429 | collision_turbulence ) THEN |
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[1171] | 430 | diss(k,j,i) = dissipation |
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| 431 | ENDIF |
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| 432 | |
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| 433 | ENDIF |
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| 434 | |
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| 435 | ENDDO |
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| 436 | ENDDO |
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| 437 | ENDDO |
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| 438 | !$acc end kernels |
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| 439 | |
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[1015] | 440 | ELSE |
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| 441 | |
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| 442 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
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[1374] | 443 | !$acc present( nzb_s_inner, tend, var, zu, zw ) |
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[1128] | 444 | DO i = i_left, i_right |
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| 445 | DO j = j_south, j_north |
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[1015] | 446 | DO k = 1, nzt |
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| 447 | |
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| 448 | IF ( k > nzb_s_inner(j,i) ) THEN |
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| 449 | ! |
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| 450 | !-- Calculate the mixing length (for dissipation) |
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| 451 | dvar_dz = atmos_ocean_sign * & |
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| 452 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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[1340] | 453 | IF ( dvar_dz > 0.0_wp ) THEN |
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| 454 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
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| 455 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
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[1015] | 456 | ELSE |
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| 457 | l_stable = l_grid(k) |
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| 458 | ENDIF |
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| 459 | ! |
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| 460 | !-- Adjustment of the mixing length |
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| 461 | IF ( wall_adjustment ) THEN |
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| 462 | l = MIN( wall_adjustment_factor * & |
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| 463 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 464 | l_grid(k), l_stable ) |
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| 465 | ll = MIN( wall_adjustment_factor * & |
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| 466 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 467 | l_grid(k) ) |
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| 468 | ELSE |
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| 469 | l = MIN( l_grid(k), l_stable ) |
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| 470 | ll = l_grid(k) |
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| 471 | ENDIF |
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| 472 | ! |
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| 473 | !-- Calculate the tendency terms |
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[1340] | 474 | dissipation = ( 0.19_wp + 0.74_wp * l / ll ) * & |
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| 475 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
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[1015] | 476 | |
---|
| 477 | tend(k,j,i) = tend(k,j,i) & |
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| 478 | + ( & |
---|
| 479 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 480 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 481 | ) * ddx2 & |
---|
| 482 | + ( & |
---|
| 483 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 484 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 485 | ) * ddy2 & |
---|
| 486 | + ( & |
---|
| 487 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
| 488 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 489 | ) * ddzw(k) & |
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[1171] | 490 | - dissipation |
---|
[1015] | 491 | |
---|
| 492 | ! |
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| 493 | !-- Store dissipation if needed for calculating the sgs |
---|
| 494 | !-- particle velocities |
---|
[1065] | 495 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 496 | collision_turbulence ) THEN |
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[1015] | 497 | diss(k,j,i) = dissipation |
---|
| 498 | ENDIF |
---|
| 499 | |
---|
| 500 | ENDIF |
---|
| 501 | |
---|
| 502 | ENDDO |
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| 503 | ENDDO |
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| 504 | ENDDO |
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| 505 | !$acc end kernels |
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| 506 | |
---|
| 507 | ENDIF |
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| 508 | |
---|
| 509 | ! |
---|
| 510 | !-- Boundary condition for dissipation |
---|
[1831] | 511 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
---|
| 512 | collision_turbulence ) THEN |
---|
[1015] | 513 | !$acc kernels present( diss, nzb_s_inner ) |
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[1128] | 514 | DO i = i_left, i_right |
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| 515 | DO j = j_south, j_north |
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[1015] | 516 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 517 | ENDDO |
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| 518 | ENDDO |
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| 519 | !$acc end kernels |
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| 520 | ENDIF |
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| 521 | |
---|
| 522 | END SUBROUTINE diffusion_e_acc |
---|
| 523 | |
---|
| 524 | |
---|
| 525 | !------------------------------------------------------------------------------! |
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[1682] | 526 | ! Description: |
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| 527 | ! ------------ |
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| 528 | !> Call for grid point i,j |
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[1] | 529 | !------------------------------------------------------------------------------! |
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[1001] | 530 | SUBROUTINE diffusion_e_ij( i, j, var, var_reference ) |
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[1] | 531 | |
---|
[1320] | 532 | USE arrays_3d, & |
---|
| 533 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw |
---|
| 534 | |
---|
| 535 | USE control_parameters, & |
---|
[1831] | 536 | ONLY: atmos_ocean_sign, g, use_single_reference_value, & |
---|
[1320] | 537 | wall_adjustment, wall_adjustment_factor |
---|
[1831] | 538 | |
---|
[1320] | 539 | USE grid_variables, & |
---|
| 540 | ONLY: ddx2, ddy2 |
---|
| 541 | |
---|
| 542 | USE indices, & |
---|
[1374] | 543 | ONLY: nxlg, nxrg, nyng, nysg, nzb, nzb_s_inner, nzt |
---|
[1320] | 544 | |
---|
| 545 | USE kinds |
---|
[1849] | 546 | |
---|
| 547 | USE microphysics_mod, & |
---|
| 548 | ONLY: collision_turbulence |
---|
| 549 | |
---|
[1320] | 550 | USE particle_attributes, & |
---|
| 551 | ONLY: use_sgs_for_particles, wang_kernel |
---|
[1] | 552 | |
---|
| 553 | IMPLICIT NONE |
---|
| 554 | |
---|
[1682] | 555 | INTEGER(iwp) :: i !< |
---|
| 556 | INTEGER(iwp) :: j !< |
---|
| 557 | INTEGER(iwp) :: k !< |
---|
| 558 | REAL(wp) :: dvar_dz !< |
---|
| 559 | REAL(wp) :: l_stable !< |
---|
| 560 | REAL(wp) :: var_reference !< |
---|
[1] | 561 | |
---|
[1010] | 562 | #if defined( __nopointer ) |
---|
[1682] | 563 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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[1010] | 564 | #else |
---|
[1682] | 565 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< |
---|
[1010] | 566 | #endif |
---|
[1682] | 567 | REAL(wp), DIMENSION(nzb+1:nzt) :: dissipation !< |
---|
| 568 | REAL(wp), DIMENSION(nzb+1:nzt) :: l !< |
---|
| 569 | REAL(wp), DIMENSION(nzb+1:nzt) :: ll !< |
---|
[1] | 570 | |
---|
[1001] | 571 | |
---|
[1] | 572 | ! |
---|
| 573 | !-- Calculate the mixing length (for dissipation) |
---|
[19] | 574 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[97] | 575 | dvar_dz = atmos_ocean_sign * & |
---|
| 576 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
[1340] | 577 | IF ( dvar_dz > 0.0_wp ) THEN |
---|
[1179] | 578 | IF ( use_single_reference_value ) THEN |
---|
[1340] | 579 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
---|
| 580 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
---|
[57] | 581 | ELSE |
---|
[1340] | 582 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
---|
| 583 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
---|
[57] | 584 | ENDIF |
---|
[1] | 585 | ELSE |
---|
| 586 | l_stable = l_grid(k) |
---|
| 587 | ENDIF |
---|
| 588 | ! |
---|
| 589 | !-- Adjustment of the mixing length |
---|
| 590 | IF ( wall_adjustment ) THEN |
---|
[94] | 591 | l(k) = MIN( wall_adjustment_factor * & |
---|
| 592 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k), & |
---|
| 593 | l_stable ) |
---|
| 594 | ll(k) = MIN( wall_adjustment_factor * & |
---|
| 595 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k) ) |
---|
[1] | 596 | ELSE |
---|
| 597 | l(k) = MIN( l_grid(k), l_stable ) |
---|
| 598 | ll(k) = l_grid(k) |
---|
| 599 | ENDIF |
---|
| 600 | ! |
---|
| 601 | !-- Calculate the tendency term |
---|
[1340] | 602 | dissipation(k) = ( 0.19_wp + 0.74_wp * l(k) / ll(k) ) * e(k,j,i) * & |
---|
| 603 | SQRT( e(k,j,i) ) / l(k) |
---|
[1] | 604 | |
---|
| 605 | tend(k,j,i) = tend(k,j,i) & |
---|
| 606 | + ( & |
---|
| 607 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 608 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 609 | ) * ddx2 & |
---|
| 610 | + ( & |
---|
| 611 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 612 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 613 | ) * ddy2 & |
---|
| 614 | + ( & |
---|
| 615 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
| 616 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
| 617 | ) * ddzw(k) & |
---|
| 618 | - dissipation(k) |
---|
| 619 | |
---|
| 620 | ENDDO |
---|
| 621 | |
---|
| 622 | ! |
---|
| 623 | !-- Store dissipation if needed for calculating the sgs particle velocities |
---|
[1849] | 624 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
---|
| 625 | collision_turbulence ) THEN |
---|
[19] | 626 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[1] | 627 | diss(k,j,i) = dissipation(k) |
---|
| 628 | ENDDO |
---|
| 629 | ! |
---|
| 630 | !-- Boundary condition for dissipation |
---|
| 631 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
---|
| 632 | ENDIF |
---|
| 633 | |
---|
| 634 | END SUBROUTINE diffusion_e_ij |
---|
| 635 | |
---|
| 636 | END MODULE diffusion_e_mod |
---|