[1] | 1 | MODULE diffusion_e_mod |
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| 2 | |
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[1036] | 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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[484] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[98] | 22 | ! |
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[1182] | 23 | ! |
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[98] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: diffusion_e.f90 1182 2013-06-14 09:07:24Z heinze $ |
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| 27 | ! |
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[1182] | 28 | ! 1179 2013-06-14 05:57:58Z raasch |
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| 29 | ! use_reference renamed use_single_reference_value |
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| 30 | ! |
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[1172] | 31 | ! 1171 2013-05-30 11:27:45Z raasch |
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| 32 | ! use_reference-case activated in accelerator version |
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| 33 | ! |
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[1132] | 34 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 35 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 36 | ! j_north |
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| 37 | ! |
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[1066] | 38 | ! 1065 2012-11-22 17:42:36Z hoffmann |
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| 39 | ! Enabled the claculation of diss in case of turbulence = .TRUE. (parameterized |
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| 40 | ! effects of turbulence on autoconversion and accretion in two-moments cloud |
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| 41 | ! physics scheme). |
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| 42 | ! |
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[1037] | 43 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 44 | ! code put under GPL (PALM 3.9) |
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| 45 | ! |
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[1017] | 46 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 47 | ! accelerator version (*_acc) added, |
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| 48 | ! adjustment of mixing length to the Prandtl mixing length at first grid point |
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| 49 | ! above ground removed |
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| 50 | ! |
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[1011] | 51 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 52 | ! cpp switch __nopointer added for pointer free version |
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| 53 | ! |
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[1002] | 54 | ! 1001 2012-09-13 14:08:46Z raasch |
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| 55 | ! most arrays comunicated by module instead of parameter list |
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| 56 | ! |
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[826] | 57 | ! 825 2012-02-19 03:03:44Z raasch |
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| 58 | ! wang_collision_kernel renamed wang_kernel |
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| 59 | ! |
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[791] | 60 | ! 790 2011-11-29 03:11:20Z raasch |
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| 61 | ! diss is also calculated in case that the Wang kernel is used |
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| 62 | ! |
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[668] | 63 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
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| 64 | ! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng |
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| 65 | ! |
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[98] | 66 | ! 97 2007-06-21 08:23:15Z raasch |
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[94] | 67 | ! Adjustment of mixing length calculation for the ocean version. zw added to |
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| 68 | ! argument list. |
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| 69 | ! This is also a bugfix, because the height above the topography is now |
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| 70 | ! used instead of the height above level k=0. |
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[97] | 71 | ! theta renamed var, dpt_dz renamed dvar_dz, +new argument var_reference |
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| 72 | ! use_pt_reference renamed use_reference |
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[1] | 73 | ! |
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[77] | 74 | ! 65 2007-03-13 12:11:43Z raasch |
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| 75 | ! Reference temperature pt_reference can be used in buoyancy term |
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| 76 | ! |
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[39] | 77 | ! 20 2007-02-26 00:12:32Z raasch |
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| 78 | ! Bugfix: ddzw dimensioned 1:nzt"+1" |
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| 79 | ! Calculation extended for gridpoint nzt |
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| 80 | ! |
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[3] | 81 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 82 | ! |
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[1] | 83 | ! Revision 1.18 2006/08/04 14:29:43 raasch |
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| 84 | ! dissipation is stored in extra array diss if needed later on for calculating |
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| 85 | ! the sgs particle velocities |
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| 86 | ! |
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| 87 | ! Revision 1.1 1997/09/19 07:40:24 raasch |
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| 88 | ! Initial revision |
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| 89 | ! |
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| 90 | ! |
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| 91 | ! Description: |
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| 92 | ! ------------ |
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| 93 | ! Diffusion- and dissipation terms for the TKE |
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| 94 | !------------------------------------------------------------------------------! |
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| 95 | |
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| 96 | PRIVATE |
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[1015] | 97 | PUBLIC diffusion_e, diffusion_e_acc |
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[1] | 98 | |
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| 99 | |
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| 100 | INTERFACE diffusion_e |
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| 101 | MODULE PROCEDURE diffusion_e |
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| 102 | MODULE PROCEDURE diffusion_e_ij |
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| 103 | END INTERFACE diffusion_e |
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| 104 | |
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[1015] | 105 | INTERFACE diffusion_e_acc |
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| 106 | MODULE PROCEDURE diffusion_e_acc |
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| 107 | END INTERFACE diffusion_e_acc |
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| 108 | |
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[1] | 109 | CONTAINS |
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| 110 | |
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| 111 | |
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| 112 | !------------------------------------------------------------------------------! |
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| 113 | ! Call for all grid points |
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| 114 | !------------------------------------------------------------------------------! |
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[1001] | 115 | SUBROUTINE diffusion_e( var, var_reference ) |
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[1] | 116 | |
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[1001] | 117 | USE arrays_3d |
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[1] | 118 | USE control_parameters |
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| 119 | USE grid_variables |
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| 120 | USE indices |
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| 121 | USE particle_attributes |
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| 122 | |
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| 123 | IMPLICIT NONE |
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| 124 | |
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| 125 | INTEGER :: i, j, k |
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[1015] | 126 | REAL :: dvar_dz, l_stable, var_reference |
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[1001] | 127 | |
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[1010] | 128 | #if defined( __nopointer ) |
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| 129 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 130 | #else |
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[1001] | 131 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1010] | 132 | #endif |
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[19] | 133 | REAL, DIMENSION(nzb+1:nzt,nys:nyn) :: dissipation, l, ll |
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[1] | 134 | |
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| 135 | |
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| 136 | ! |
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[65] | 137 | !-- This if clause must be outside the k-loop because otherwise |
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| 138 | !-- runtime errors occur with -C hopt on NEC |
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[1179] | 139 | IF ( use_single_reference_value ) THEN |
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[65] | 140 | |
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| 141 | DO i = nxl, nxr |
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| 142 | DO j = nys, nyn |
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| 143 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 144 | ! |
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[65] | 145 | !-- Calculate the mixing length (for dissipation) |
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[97] | 146 | dvar_dz = atmos_ocean_sign * & |
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| 147 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 148 | IF ( dvar_dz > 0.0 ) THEN |
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[57] | 149 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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[97] | 150 | SQRT( g / var_reference * dvar_dz ) + 1E-5 |
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[57] | 151 | ELSE |
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[65] | 152 | l_stable = l_grid(k) |
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[57] | 153 | ENDIF |
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[1] | 154 | ! |
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[65] | 155 | !-- Adjustment of the mixing length |
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| 156 | IF ( wall_adjustment ) THEN |
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[94] | 157 | l(k,j) = MIN( wall_adjustment_factor * & |
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| 158 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 159 | l_grid(k), l_stable ) |
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| 160 | ll(k,j) = MIN( wall_adjustment_factor * & |
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| 161 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 162 | l_grid(k) ) |
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[65] | 163 | ELSE |
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| 164 | l(k,j) = MIN( l_grid(k), l_stable ) |
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| 165 | ll(k,j) = l_grid(k) |
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| 166 | ENDIF |
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[1] | 167 | |
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[65] | 168 | ENDDO |
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[1] | 169 | ENDDO |
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[65] | 170 | |
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[1] | 171 | ! |
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[65] | 172 | !-- Calculate the tendency terms |
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| 173 | DO j = nys, nyn |
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| 174 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 175 | |
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[65] | 176 | dissipation(k,j) = ( 0.19 + 0.74 * l(k,j) / ll(k,j) ) * & |
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| 177 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
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[1] | 178 | |
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[65] | 179 | tend(k,j,i) = tend(k,j,i) & |
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[1] | 180 | + ( & |
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| 181 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 182 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 183 | ) * ddx2 & |
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| 184 | + ( & |
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| 185 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 186 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 187 | ) * ddy2 & |
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| 188 | + ( & |
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| 189 | ( 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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| 190 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 191 | ) * ddzw(k) & |
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| 192 | - dissipation(k,j) |
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| 193 | |
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[65] | 194 | ENDDO |
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[1] | 195 | ENDDO |
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[65] | 196 | |
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| 197 | ! |
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| 198 | !-- Store dissipation if needed for calculating the sgs particle |
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| 199 | !-- velocities |
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[1065] | 200 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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| 201 | turbulence ) THEN |
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[65] | 202 | DO j = nys, nyn |
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| 203 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 204 | diss(k,j,i) = dissipation(k,j) |
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| 205 | ENDDO |
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| 206 | ENDDO |
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| 207 | ENDIF |
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| 208 | |
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[1] | 209 | ENDDO |
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| 210 | |
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[65] | 211 | ELSE |
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| 212 | |
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| 213 | DO i = nxl, nxr |
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| 214 | DO j = nys, nyn |
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| 215 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 216 | ! |
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| 217 | !-- Calculate the mixing length (for dissipation) |
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[97] | 218 | dvar_dz = atmos_ocean_sign * & |
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| 219 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 220 | IF ( dvar_dz > 0.0 ) THEN |
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[65] | 221 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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[97] | 222 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
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[65] | 223 | ELSE |
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| 224 | l_stable = l_grid(k) |
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| 225 | ENDIF |
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| 226 | ! |
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| 227 | !-- Adjustment of the mixing length |
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| 228 | IF ( wall_adjustment ) THEN |
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[94] | 229 | l(k,j) = MIN( wall_adjustment_factor * & |
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| 230 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 231 | l_grid(k), l_stable ) |
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| 232 | ll(k,j) = MIN( wall_adjustment_factor * & |
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| 233 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 234 | l_grid(k) ) |
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[65] | 235 | ELSE |
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| 236 | l(k,j) = MIN( l_grid(k), l_stable ) |
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| 237 | ll(k,j) = l_grid(k) |
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| 238 | ENDIF |
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| 239 | |
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| 240 | ENDDO |
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| 241 | ENDDO |
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| 242 | |
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| 243 | ! |
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| 244 | !-- Calculate the tendency terms |
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[1] | 245 | DO j = nys, nyn |
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[19] | 246 | DO k = nzb_s_inner(j,i)+1, nzt |
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[65] | 247 | |
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| 248 | dissipation(k,j) = ( 0.19 + 0.74 * l(k,j) / ll(k,j) ) * & |
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| 249 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
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| 250 | |
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| 251 | tend(k,j,i) = tend(k,j,i) & |
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| 252 | + ( & |
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| 253 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 254 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 255 | ) * ddx2 & |
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| 256 | + ( & |
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| 257 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 258 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 259 | ) * ddy2 & |
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| 260 | + ( & |
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| 261 | ( 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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| 262 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 263 | ) * ddzw(k) & |
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| 264 | - dissipation(k,j) |
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| 265 | |
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[1] | 266 | ENDDO |
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| 267 | ENDDO |
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| 268 | |
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[65] | 269 | ! |
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| 270 | !-- Store dissipation if needed for calculating the sgs particle |
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| 271 | !-- velocities |
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[1065] | 272 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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| 273 | turbulence ) THEN |
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[65] | 274 | DO j = nys, nyn |
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| 275 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 276 | diss(k,j,i) = dissipation(k,j) |
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| 277 | ENDDO |
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| 278 | ENDDO |
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| 279 | ENDIF |
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[1] | 280 | |
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[65] | 281 | ENDDO |
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| 282 | |
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| 283 | ENDIF |
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| 284 | |
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[1] | 285 | ! |
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| 286 | !-- Boundary condition for dissipation |
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[1065] | 287 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
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[1] | 288 | DO i = nxl, nxr |
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| 289 | DO j = nys, nyn |
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| 290 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 291 | ENDDO |
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| 292 | ENDDO |
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| 293 | ENDIF |
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| 294 | |
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| 295 | END SUBROUTINE diffusion_e |
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| 296 | |
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| 297 | |
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| 298 | !------------------------------------------------------------------------------! |
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[1015] | 299 | ! Call for all grid points - accelerator version |
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| 300 | !------------------------------------------------------------------------------! |
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| 301 | SUBROUTINE diffusion_e_acc( var, var_reference ) |
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| 302 | |
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| 303 | USE arrays_3d |
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| 304 | USE control_parameters |
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| 305 | USE grid_variables |
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| 306 | USE indices |
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| 307 | USE particle_attributes |
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| 308 | |
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| 309 | IMPLICIT NONE |
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| 310 | |
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| 311 | INTEGER :: i, j, k |
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| 312 | REAL :: dissipation, dvar_dz, l, ll, l_stable, var_reference |
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| 313 | |
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| 314 | #if defined( __nopointer ) |
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| 315 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 316 | #else |
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| 317 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 318 | #endif |
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| 319 | |
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| 320 | |
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| 321 | ! |
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| 322 | !-- This if clause must be outside the k-loop because otherwise |
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| 323 | !-- runtime errors occur with -C hopt on NEC |
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[1179] | 324 | IF ( use_single_reference_value ) THEN |
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[1171] | 325 | |
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| 326 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
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| 327 | !$acc present( nzb_s_inner, rif, tend, var, zu, zw ) |
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| 328 | !$acc loop |
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| 329 | DO i = i_left, i_right |
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| 330 | DO j = j_south, j_north |
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| 331 | !$acc loop vector( 32 ) |
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| 332 | DO k = 1, nzt |
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| 333 | |
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| 334 | IF ( k > nzb_s_inner(j,i) ) THEN |
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[1015] | 335 | ! |
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[1171] | 336 | !-- Calculate the mixing length (for dissipation) |
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| 337 | dvar_dz = atmos_ocean_sign * & |
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| 338 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 339 | IF ( dvar_dz > 0.0 ) THEN |
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| 340 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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| 341 | SQRT( g / var_reference * dvar_dz ) + 1E-5 |
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| 342 | ELSE |
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| 343 | l_stable = l_grid(k) |
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| 344 | ENDIF |
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[1015] | 345 | ! |
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[1171] | 346 | !-- Adjustment of the mixing length |
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| 347 | IF ( wall_adjustment ) THEN |
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| 348 | l = MIN( wall_adjustment_factor * & |
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| 349 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 350 | l_grid(k), l_stable ) |
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| 351 | ll = MIN( wall_adjustment_factor * & |
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| 352 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 353 | l_grid(k) ) |
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| 354 | ELSE |
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| 355 | l = MIN( l_grid(k), l_stable ) |
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| 356 | ll = l_grid(k) |
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| 357 | ENDIF |
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[1015] | 358 | ! |
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[1171] | 359 | !-- Calculate the tendency terms |
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| 360 | dissipation = ( 0.19 + 0.74 * l / ll ) * & |
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| 361 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
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| 362 | |
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| 363 | tend(k,j,i) = tend(k,j,i) & |
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| 364 | + ( & |
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| 365 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 366 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 367 | ) * ddx2 & |
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| 368 | + ( & |
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| 369 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 370 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 371 | ) * ddy2 & |
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| 372 | + ( & |
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| 373 | ( 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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| 374 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 375 | ) * ddzw(k) & |
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| 376 | - dissipation |
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| 377 | |
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[1015] | 378 | ! |
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[1171] | 379 | !-- Store dissipation if needed for calculating the sgs particle |
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| 380 | !-- velocities |
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| 381 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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| 382 | turbulence ) THEN |
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| 383 | diss(k,j,i) = dissipation |
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| 384 | ENDIF |
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| 385 | |
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| 386 | ENDIF |
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| 387 | |
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| 388 | ENDDO |
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| 389 | ENDDO |
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| 390 | ENDDO |
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| 391 | !$acc end kernels |
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| 392 | |
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[1015] | 393 | ELSE |
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| 394 | |
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| 395 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
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| 396 | !$acc present( nzb_s_inner, rif, tend, var, zu, zw ) |
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| 397 | !$acc loop |
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[1128] | 398 | DO i = i_left, i_right |
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| 399 | DO j = j_south, j_north |
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[1015] | 400 | !$acc loop vector( 32 ) |
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| 401 | DO k = 1, nzt |
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| 402 | |
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| 403 | IF ( k > nzb_s_inner(j,i) ) THEN |
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| 404 | ! |
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| 405 | !-- Calculate the mixing length (for dissipation) |
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| 406 | dvar_dz = atmos_ocean_sign * & |
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| 407 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 408 | IF ( dvar_dz > 0.0 ) THEN |
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| 409 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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| 410 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
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| 411 | ELSE |
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| 412 | l_stable = l_grid(k) |
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| 413 | ENDIF |
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| 414 | ! |
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| 415 | !-- Adjustment of the mixing length |
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| 416 | IF ( wall_adjustment ) THEN |
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| 417 | l = MIN( wall_adjustment_factor * & |
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| 418 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 419 | l_grid(k), l_stable ) |
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| 420 | ll = MIN( wall_adjustment_factor * & |
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| 421 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 422 | l_grid(k) ) |
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| 423 | ELSE |
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| 424 | l = MIN( l_grid(k), l_stable ) |
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| 425 | ll = l_grid(k) |
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| 426 | ENDIF |
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| 427 | ! |
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| 428 | !-- Calculate the tendency terms |
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| 429 | dissipation = ( 0.19 + 0.74 * l / ll ) * & |
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| 430 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
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| 431 | |
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| 432 | tend(k,j,i) = tend(k,j,i) & |
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| 433 | + ( & |
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| 434 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 435 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 436 | ) * ddx2 & |
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| 437 | + ( & |
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| 438 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 439 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 440 | ) * ddy2 & |
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| 441 | + ( & |
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| 442 | ( 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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| 443 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 444 | ) * ddzw(k) & |
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[1171] | 445 | - dissipation |
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[1015] | 446 | |
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| 447 | ! |
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| 448 | !-- Store dissipation if needed for calculating the sgs |
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| 449 | !-- particle velocities |
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[1065] | 450 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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| 451 | turbulence ) THEN |
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[1015] | 452 | diss(k,j,i) = dissipation |
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| 453 | ENDIF |
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| 454 | |
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| 455 | ENDIF |
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| 456 | |
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| 457 | ENDDO |
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| 458 | ENDDO |
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| 459 | ENDDO |
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| 460 | !$acc end kernels |
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| 461 | |
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| 462 | ENDIF |
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| 463 | |
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| 464 | ! |
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| 465 | !-- Boundary condition for dissipation |
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[1065] | 466 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
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[1015] | 467 | !$acc kernels present( diss, nzb_s_inner ) |
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| 468 | !$acc loop |
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[1128] | 469 | DO i = i_left, i_right |
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[1015] | 470 | !$acc loop vector( 32 ) |
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[1128] | 471 | DO j = j_south, j_north |
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[1015] | 472 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 473 | ENDDO |
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| 474 | ENDDO |
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| 475 | !$acc end kernels |
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| 476 | ENDIF |
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| 477 | |
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| 478 | END SUBROUTINE diffusion_e_acc |
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| 479 | |
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| 480 | |
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| 481 | !------------------------------------------------------------------------------! |
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[1] | 482 | ! Call for grid point i,j |
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| 483 | !------------------------------------------------------------------------------! |
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[1001] | 484 | SUBROUTINE diffusion_e_ij( i, j, var, var_reference ) |
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[1] | 485 | |
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[1001] | 486 | USE arrays_3d |
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[1] | 487 | USE control_parameters |
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| 488 | USE grid_variables |
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| 489 | USE indices |
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| 490 | USE particle_attributes |
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| 491 | |
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| 492 | IMPLICIT NONE |
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| 493 | |
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[1001] | 494 | INTEGER :: i, j, k |
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[1015] | 495 | REAL :: dvar_dz, l_stable, var_reference |
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[1] | 496 | |
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[1010] | 497 | #if defined( __nopointer ) |
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| 498 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 499 | #else |
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[1001] | 500 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1010] | 501 | #endif |
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[1001] | 502 | REAL, DIMENSION(nzb+1:nzt) :: dissipation, l, ll |
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[1] | 503 | |
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[1001] | 504 | |
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[1] | 505 | ! |
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| 506 | !-- Calculate the mixing length (for dissipation) |
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[19] | 507 | DO k = nzb_s_inner(j,i)+1, nzt |
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[97] | 508 | dvar_dz = atmos_ocean_sign * & |
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| 509 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 510 | IF ( dvar_dz > 0.0 ) THEN |
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[1179] | 511 | IF ( use_single_reference_value ) THEN |
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[57] | 512 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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[97] | 513 | SQRT( g / var_reference * dvar_dz ) + 1E-5 |
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[57] | 514 | ELSE |
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| 515 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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[97] | 516 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
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[57] | 517 | ENDIF |
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[1] | 518 | ELSE |
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| 519 | l_stable = l_grid(k) |
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| 520 | ENDIF |
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| 521 | ! |
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| 522 | !-- Adjustment of the mixing length |
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| 523 | IF ( wall_adjustment ) THEN |
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[94] | 524 | l(k) = MIN( wall_adjustment_factor * & |
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| 525 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k), & |
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| 526 | l_stable ) |
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| 527 | ll(k) = MIN( wall_adjustment_factor * & |
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| 528 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k) ) |
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[1] | 529 | ELSE |
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| 530 | l(k) = MIN( l_grid(k), l_stable ) |
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| 531 | ll(k) = l_grid(k) |
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| 532 | ENDIF |
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| 533 | ! |
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| 534 | !-- Calculate the tendency term |
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| 535 | dissipation(k) = ( 0.19 + 0.74 * l(k) / ll(k) ) * e(k,j,i) * & |
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| 536 | SQRT( e(k,j,i) ) / l(k) |
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| 537 | |
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| 538 | tend(k,j,i) = tend(k,j,i) & |
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| 539 | + ( & |
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| 540 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 541 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 542 | ) * ddx2 & |
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| 543 | + ( & |
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| 544 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 545 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 546 | ) * ddy2 & |
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| 547 | + ( & |
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| 548 | ( 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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| 549 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 550 | ) * ddzw(k) & |
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| 551 | - dissipation(k) |
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| 552 | |
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| 553 | ENDDO |
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| 554 | |
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| 555 | ! |
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| 556 | !-- Store dissipation if needed for calculating the sgs particle velocities |
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[1065] | 557 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
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[19] | 558 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 559 | diss(k,j,i) = dissipation(k) |
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| 560 | ENDDO |
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| 561 | ! |
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| 562 | !-- Boundary condition for dissipation |
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| 563 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 564 | ENDIF |
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| 565 | |
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| 566 | END SUBROUTINE diffusion_e_ij |
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| 567 | |
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| 568 | END MODULE diffusion_e_mod |
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