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