[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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[1258] | 23 | ! |
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[98] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: diffusion_e.f90 1258 2013-11-08 16:09:09Z fricke $ |
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| 27 | ! |
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[1258] | 28 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 29 | ! openacc loop and loop vector clauses removed |
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| 30 | ! |
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[1182] | 31 | ! 1179 2013-06-14 05:57:58Z raasch |
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| 32 | ! use_reference renamed use_single_reference_value |
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| 33 | ! |
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[1172] | 34 | ! 1171 2013-05-30 11:27:45Z raasch |
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| 35 | ! use_reference-case activated in accelerator version |
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| 36 | ! |
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[1132] | 37 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 38 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 39 | ! j_north |
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| 40 | ! |
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[1066] | 41 | ! 1065 2012-11-22 17:42:36Z hoffmann |
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| 42 | ! Enabled the claculation of diss in case of turbulence = .TRUE. (parameterized |
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| 43 | ! effects of turbulence on autoconversion and accretion in two-moments cloud |
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| 44 | ! physics scheme). |
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| 45 | ! |
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[1037] | 46 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 47 | ! code put under GPL (PALM 3.9) |
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| 48 | ! |
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[1017] | 49 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 50 | ! accelerator version (*_acc) added, |
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| 51 | ! adjustment of mixing length to the Prandtl mixing length at first grid point |
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| 52 | ! above ground removed |
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| 53 | ! |
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[1011] | 54 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 55 | ! cpp switch __nopointer added for pointer free version |
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| 56 | ! |
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[1002] | 57 | ! 1001 2012-09-13 14:08:46Z raasch |
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| 58 | ! most arrays comunicated by module instead of parameter list |
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| 59 | ! |
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[826] | 60 | ! 825 2012-02-19 03:03:44Z raasch |
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| 61 | ! wang_collision_kernel renamed wang_kernel |
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| 62 | ! |
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[791] | 63 | ! 790 2011-11-29 03:11:20Z raasch |
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| 64 | ! diss is also calculated in case that the Wang kernel is used |
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| 65 | ! |
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[668] | 66 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
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| 67 | ! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng |
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| 68 | ! |
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[98] | 69 | ! 97 2007-06-21 08:23:15Z raasch |
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[94] | 70 | ! Adjustment of mixing length calculation for the ocean version. zw added to |
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| 71 | ! argument list. |
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| 72 | ! This is also a bugfix, because the height above the topography is now |
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| 73 | ! used instead of the height above level k=0. |
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[97] | 74 | ! theta renamed var, dpt_dz renamed dvar_dz, +new argument var_reference |
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| 75 | ! use_pt_reference renamed use_reference |
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[1] | 76 | ! |
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[77] | 77 | ! 65 2007-03-13 12:11:43Z raasch |
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| 78 | ! Reference temperature pt_reference can be used in buoyancy term |
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| 79 | ! |
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[39] | 80 | ! 20 2007-02-26 00:12:32Z raasch |
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| 81 | ! Bugfix: ddzw dimensioned 1:nzt"+1" |
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| 82 | ! Calculation extended for gridpoint nzt |
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| 83 | ! |
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[3] | 84 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 85 | ! |
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[1] | 86 | ! Revision 1.18 2006/08/04 14:29:43 raasch |
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| 87 | ! dissipation is stored in extra array diss if needed later on for calculating |
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| 88 | ! the sgs particle velocities |
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| 89 | ! |
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| 90 | ! Revision 1.1 1997/09/19 07:40:24 raasch |
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| 91 | ! Initial revision |
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| 92 | ! |
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| 93 | ! |
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| 94 | ! Description: |
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| 95 | ! ------------ |
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| 96 | ! Diffusion- and dissipation terms for the TKE |
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| 97 | !------------------------------------------------------------------------------! |
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| 98 | |
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| 99 | PRIVATE |
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[1015] | 100 | PUBLIC diffusion_e, diffusion_e_acc |
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[1] | 101 | |
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| 102 | |
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| 103 | INTERFACE diffusion_e |
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| 104 | MODULE PROCEDURE diffusion_e |
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| 105 | MODULE PROCEDURE diffusion_e_ij |
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| 106 | END INTERFACE diffusion_e |
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| 107 | |
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[1015] | 108 | INTERFACE diffusion_e_acc |
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| 109 | MODULE PROCEDURE diffusion_e_acc |
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| 110 | END INTERFACE diffusion_e_acc |
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| 111 | |
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[1] | 112 | CONTAINS |
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| 113 | |
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| 114 | |
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| 115 | !------------------------------------------------------------------------------! |
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| 116 | ! Call for all grid points |
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| 117 | !------------------------------------------------------------------------------! |
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[1001] | 118 | SUBROUTINE diffusion_e( var, var_reference ) |
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[1] | 119 | |
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[1001] | 120 | USE arrays_3d |
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[1] | 121 | USE control_parameters |
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| 122 | USE grid_variables |
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| 123 | USE indices |
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| 124 | USE particle_attributes |
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| 125 | |
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| 126 | IMPLICIT NONE |
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| 127 | |
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| 128 | INTEGER :: i, j, k |
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[1015] | 129 | REAL :: dvar_dz, l_stable, var_reference |
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[1001] | 130 | |
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[1010] | 131 | #if defined( __nopointer ) |
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| 132 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 133 | #else |
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[1001] | 134 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1010] | 135 | #endif |
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[19] | 136 | REAL, DIMENSION(nzb+1:nzt,nys:nyn) :: dissipation, l, ll |
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[1] | 137 | |
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| 138 | |
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| 139 | ! |
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[65] | 140 | !-- This if clause must be outside the k-loop because otherwise |
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| 141 | !-- runtime errors occur with -C hopt on NEC |
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[1179] | 142 | IF ( use_single_reference_value ) THEN |
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[65] | 143 | |
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| 144 | DO i = nxl, nxr |
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| 145 | DO j = nys, nyn |
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| 146 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 147 | ! |
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[65] | 148 | !-- Calculate the mixing length (for dissipation) |
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[97] | 149 | dvar_dz = atmos_ocean_sign * & |
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| 150 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 151 | IF ( dvar_dz > 0.0 ) THEN |
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[57] | 152 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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[97] | 153 | SQRT( g / var_reference * dvar_dz ) + 1E-5 |
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[57] | 154 | ELSE |
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[65] | 155 | l_stable = l_grid(k) |
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[57] | 156 | ENDIF |
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[1] | 157 | ! |
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[65] | 158 | !-- Adjustment of the mixing length |
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| 159 | IF ( wall_adjustment ) THEN |
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[94] | 160 | l(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), l_stable ) |
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| 163 | ll(k,j) = MIN( wall_adjustment_factor * & |
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| 164 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 165 | l_grid(k) ) |
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[65] | 166 | ELSE |
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| 167 | l(k,j) = MIN( l_grid(k), l_stable ) |
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| 168 | ll(k,j) = l_grid(k) |
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| 169 | ENDIF |
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[1] | 170 | |
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[65] | 171 | ENDDO |
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[1] | 172 | ENDDO |
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[65] | 173 | |
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[1] | 174 | ! |
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[65] | 175 | !-- Calculate the tendency terms |
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| 176 | DO j = nys, nyn |
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| 177 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 178 | |
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[65] | 179 | dissipation(k,j) = ( 0.19 + 0.74 * l(k,j) / ll(k,j) ) * & |
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| 180 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
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[1] | 181 | |
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[65] | 182 | tend(k,j,i) = tend(k,j,i) & |
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[1] | 183 | + ( & |
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| 184 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 185 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 186 | ) * ddx2 & |
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| 187 | + ( & |
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| 188 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 189 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 190 | ) * ddy2 & |
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| 191 | + ( & |
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| 192 | ( 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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| 193 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 194 | ) * ddzw(k) & |
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| 195 | - dissipation(k,j) |
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| 196 | |
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[65] | 197 | ENDDO |
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[1] | 198 | ENDDO |
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[65] | 199 | |
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| 200 | ! |
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| 201 | !-- Store dissipation if needed for calculating the sgs particle |
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| 202 | !-- velocities |
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[1065] | 203 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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| 204 | turbulence ) THEN |
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[65] | 205 | DO j = nys, nyn |
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| 206 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 207 | diss(k,j,i) = dissipation(k,j) |
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| 208 | ENDDO |
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| 209 | ENDDO |
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| 210 | ENDIF |
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| 211 | |
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[1] | 212 | ENDDO |
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| 213 | |
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[65] | 214 | ELSE |
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| 215 | |
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| 216 | DO i = nxl, nxr |
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| 217 | DO j = nys, nyn |
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| 218 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 219 | ! |
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| 220 | !-- Calculate the mixing length (for dissipation) |
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[97] | 221 | dvar_dz = atmos_ocean_sign * & |
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| 222 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 223 | IF ( dvar_dz > 0.0 ) THEN |
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[65] | 224 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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[97] | 225 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
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[65] | 226 | ELSE |
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| 227 | l_stable = l_grid(k) |
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| 228 | ENDIF |
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| 229 | ! |
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| 230 | !-- Adjustment of the mixing length |
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| 231 | IF ( wall_adjustment ) THEN |
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[94] | 232 | l(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), l_stable ) |
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| 235 | ll(k,j) = MIN( wall_adjustment_factor * & |
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| 236 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 237 | l_grid(k) ) |
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[65] | 238 | ELSE |
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| 239 | l(k,j) = MIN( l_grid(k), l_stable ) |
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| 240 | ll(k,j) = l_grid(k) |
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| 241 | ENDIF |
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| 242 | |
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| 243 | ENDDO |
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| 244 | ENDDO |
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| 245 | |
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| 246 | ! |
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| 247 | !-- Calculate the tendency terms |
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[1] | 248 | DO j = nys, nyn |
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[19] | 249 | DO k = nzb_s_inner(j,i)+1, nzt |
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[65] | 250 | |
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| 251 | dissipation(k,j) = ( 0.19 + 0.74 * l(k,j) / ll(k,j) ) * & |
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| 252 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
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| 253 | |
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| 254 | tend(k,j,i) = tend(k,j,i) & |
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| 255 | + ( & |
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| 256 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 257 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 258 | ) * ddx2 & |
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| 259 | + ( & |
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| 260 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 261 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 262 | ) * ddy2 & |
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| 263 | + ( & |
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| 264 | ( 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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| 265 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 266 | ) * ddzw(k) & |
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| 267 | - dissipation(k,j) |
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| 268 | |
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[1] | 269 | ENDDO |
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| 270 | ENDDO |
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| 271 | |
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[65] | 272 | ! |
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| 273 | !-- Store dissipation if needed for calculating the sgs particle |
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| 274 | !-- velocities |
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[1065] | 275 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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| 276 | turbulence ) THEN |
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[65] | 277 | DO j = nys, nyn |
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| 278 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 279 | diss(k,j,i) = dissipation(k,j) |
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| 280 | ENDDO |
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| 281 | ENDDO |
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| 282 | ENDIF |
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[1] | 283 | |
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[65] | 284 | ENDDO |
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| 285 | |
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| 286 | ENDIF |
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| 287 | |
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[1] | 288 | ! |
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| 289 | !-- Boundary condition for dissipation |
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[1065] | 290 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
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[1] | 291 | DO i = nxl, nxr |
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| 292 | DO j = nys, nyn |
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| 293 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 294 | ENDDO |
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| 295 | ENDDO |
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| 296 | ENDIF |
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| 297 | |
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| 298 | END SUBROUTINE diffusion_e |
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| 299 | |
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| 300 | |
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| 301 | !------------------------------------------------------------------------------! |
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[1015] | 302 | ! Call for all grid points - accelerator version |
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| 303 | !------------------------------------------------------------------------------! |
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| 304 | SUBROUTINE diffusion_e_acc( var, var_reference ) |
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| 305 | |
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| 306 | USE arrays_3d |
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| 307 | USE control_parameters |
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| 308 | USE grid_variables |
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| 309 | USE indices |
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| 310 | USE particle_attributes |
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| 311 | |
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| 312 | IMPLICIT NONE |
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| 313 | |
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| 314 | INTEGER :: i, j, k |
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| 315 | REAL :: dissipation, dvar_dz, l, ll, l_stable, var_reference |
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| 316 | |
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| 317 | #if defined( __nopointer ) |
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| 318 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 319 | #else |
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| 320 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 321 | #endif |
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| 322 | |
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| 323 | |
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| 324 | ! |
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| 325 | !-- This if clause must be outside the k-loop because otherwise |
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| 326 | !-- runtime errors occur with -C hopt on NEC |
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[1179] | 327 | IF ( use_single_reference_value ) THEN |
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[1171] | 328 | |
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| 329 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
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| 330 | !$acc present( nzb_s_inner, rif, tend, var, zu, zw ) |
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| 331 | DO i = i_left, i_right |
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| 332 | DO j = j_south, j_north |
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| 333 | DO k = 1, nzt |
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| 334 | |
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| 335 | IF ( k > nzb_s_inner(j,i) ) THEN |
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[1015] | 336 | ! |
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[1171] | 337 | !-- Calculate the mixing length (for dissipation) |
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| 338 | dvar_dz = atmos_ocean_sign * & |
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| 339 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 340 | IF ( dvar_dz > 0.0 ) THEN |
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| 341 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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| 342 | SQRT( g / var_reference * dvar_dz ) + 1E-5 |
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| 343 | ELSE |
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| 344 | l_stable = l_grid(k) |
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| 345 | ENDIF |
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[1015] | 346 | ! |
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[1171] | 347 | !-- Adjustment of the mixing length |
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| 348 | IF ( wall_adjustment ) THEN |
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| 349 | l = MIN( wall_adjustment_factor * & |
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| 350 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 351 | l_grid(k), l_stable ) |
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| 352 | ll = MIN( wall_adjustment_factor * & |
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| 353 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 354 | l_grid(k) ) |
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| 355 | ELSE |
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| 356 | l = MIN( l_grid(k), l_stable ) |
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| 357 | ll = l_grid(k) |
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| 358 | ENDIF |
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[1015] | 359 | ! |
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[1171] | 360 | !-- Calculate the tendency terms |
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| 361 | dissipation = ( 0.19 + 0.74 * l / ll ) * & |
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| 362 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
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| 363 | |
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| 364 | tend(k,j,i) = tend(k,j,i) & |
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| 365 | + ( & |
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| 366 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 367 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 368 | ) * ddx2 & |
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| 369 | + ( & |
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| 370 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 371 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 372 | ) * ddy2 & |
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| 373 | + ( & |
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| 374 | ( 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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| 375 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 376 | ) * ddzw(k) & |
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| 377 | - dissipation |
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| 378 | |
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[1015] | 379 | ! |
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[1171] | 380 | !-- Store dissipation if needed for calculating the sgs particle |
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| 381 | !-- velocities |
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| 382 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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| 383 | turbulence ) THEN |
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| 384 | diss(k,j,i) = dissipation |
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| 385 | ENDIF |
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| 386 | |
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| 387 | ENDIF |
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| 388 | |
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| 389 | ENDDO |
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| 390 | ENDDO |
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| 391 | ENDDO |
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| 392 | !$acc end kernels |
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| 393 | |
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[1015] | 394 | ELSE |
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| 395 | |
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| 396 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
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| 397 | !$acc present( nzb_s_inner, rif, tend, var, zu, zw ) |
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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 | DO k = 1, nzt |
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| 401 | |
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| 402 | IF ( k > nzb_s_inner(j,i) ) THEN |
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| 403 | ! |
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| 404 | !-- Calculate the mixing length (for dissipation) |
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| 405 | dvar_dz = atmos_ocean_sign * & |
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| 406 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 407 | IF ( dvar_dz > 0.0 ) THEN |
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| 408 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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| 409 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
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| 410 | ELSE |
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| 411 | l_stable = l_grid(k) |
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| 412 | ENDIF |
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| 413 | ! |
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| 414 | !-- Adjustment of the mixing length |
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| 415 | IF ( wall_adjustment ) THEN |
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| 416 | l = 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), l_stable ) |
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| 419 | ll = MIN( wall_adjustment_factor * & |
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| 420 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 421 | l_grid(k) ) |
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| 422 | ELSE |
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| 423 | l = MIN( l_grid(k), l_stable ) |
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| 424 | ll = l_grid(k) |
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| 425 | ENDIF |
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| 426 | ! |
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| 427 | !-- Calculate the tendency terms |
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| 428 | dissipation = ( 0.19 + 0.74 * l / ll ) * & |
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| 429 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
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| 430 | |
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| 431 | tend(k,j,i) = tend(k,j,i) & |
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| 432 | + ( & |
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| 433 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 434 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 435 | ) * ddx2 & |
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| 436 | + ( & |
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| 437 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 438 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 439 | ) * ddy2 & |
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| 440 | + ( & |
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| 441 | ( 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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| 442 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 443 | ) * ddzw(k) & |
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[1171] | 444 | - dissipation |
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[1015] | 445 | |
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| 446 | ! |
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| 447 | !-- Store dissipation if needed for calculating the sgs |
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| 448 | !-- particle velocities |
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[1065] | 449 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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| 450 | turbulence ) THEN |
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[1015] | 451 | diss(k,j,i) = dissipation |
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| 452 | ENDIF |
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| 453 | |
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| 454 | ENDIF |
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| 455 | |
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| 456 | ENDDO |
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| 457 | ENDDO |
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| 458 | ENDDO |
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| 459 | !$acc end kernels |
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| 460 | |
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| 461 | ENDIF |
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| 462 | |
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| 463 | ! |
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| 464 | !-- Boundary condition for dissipation |
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[1065] | 465 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
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[1015] | 466 | !$acc kernels present( diss, nzb_s_inner ) |
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[1128] | 467 | DO i = i_left, i_right |
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| 468 | DO j = j_south, j_north |
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[1015] | 469 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 470 | ENDDO |
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| 471 | ENDDO |
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| 472 | !$acc end kernels |
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| 473 | ENDIF |
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| 474 | |
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| 475 | END SUBROUTINE diffusion_e_acc |
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| 476 | |
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| 477 | |
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| 478 | !------------------------------------------------------------------------------! |
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[1] | 479 | ! Call for grid point i,j |
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| 480 | !------------------------------------------------------------------------------! |
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[1001] | 481 | SUBROUTINE diffusion_e_ij( i, j, var, var_reference ) |
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[1] | 482 | |
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[1001] | 483 | USE arrays_3d |
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[1] | 484 | USE control_parameters |
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| 485 | USE grid_variables |
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| 486 | USE indices |
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| 487 | USE particle_attributes |
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| 488 | |
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| 489 | IMPLICIT NONE |
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| 490 | |
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[1001] | 491 | INTEGER :: i, j, k |
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[1015] | 492 | REAL :: dvar_dz, l_stable, var_reference |
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[1] | 493 | |
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[1010] | 494 | #if defined( __nopointer ) |
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| 495 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 496 | #else |
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[1001] | 497 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1010] | 498 | #endif |
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[1001] | 499 | REAL, DIMENSION(nzb+1:nzt) :: dissipation, l, ll |
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[1] | 500 | |
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[1001] | 501 | |
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[1] | 502 | ! |
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| 503 | !-- Calculate the mixing length (for dissipation) |
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[19] | 504 | DO k = nzb_s_inner(j,i)+1, nzt |
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[97] | 505 | dvar_dz = atmos_ocean_sign * & |
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| 506 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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| 507 | IF ( dvar_dz > 0.0 ) THEN |
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[1179] | 508 | IF ( use_single_reference_value ) THEN |
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[57] | 509 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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[97] | 510 | SQRT( g / var_reference * dvar_dz ) + 1E-5 |
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[57] | 511 | ELSE |
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| 512 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
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[97] | 513 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
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[57] | 514 | ENDIF |
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[1] | 515 | ELSE |
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| 516 | l_stable = l_grid(k) |
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| 517 | ENDIF |
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| 518 | ! |
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| 519 | !-- Adjustment of the mixing length |
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| 520 | IF ( wall_adjustment ) THEN |
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[94] | 521 | l(k) = MIN( wall_adjustment_factor * & |
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| 522 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k), & |
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| 523 | l_stable ) |
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| 524 | ll(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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[1] | 526 | ELSE |
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| 527 | l(k) = MIN( l_grid(k), l_stable ) |
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| 528 | ll(k) = l_grid(k) |
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| 529 | ENDIF |
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| 530 | ! |
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| 531 | !-- Calculate the tendency term |
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| 532 | dissipation(k) = ( 0.19 + 0.74 * l(k) / ll(k) ) * e(k,j,i) * & |
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| 533 | SQRT( e(k,j,i) ) / l(k) |
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| 534 | |
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| 535 | tend(k,j,i) = tend(k,j,i) & |
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| 536 | + ( & |
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| 537 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 538 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 539 | ) * ddx2 & |
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| 540 | + ( & |
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| 541 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 542 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 543 | ) * ddy2 & |
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| 544 | + ( & |
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| 545 | ( 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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| 546 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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| 547 | ) * ddzw(k) & |
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| 548 | - dissipation(k) |
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| 549 | |
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| 550 | ENDDO |
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| 551 | |
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| 552 | ! |
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| 553 | !-- Store dissipation if needed for calculating the sgs particle velocities |
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[1065] | 554 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
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[19] | 555 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 556 | diss(k,j,i) = dissipation(k) |
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| 557 | ENDDO |
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| 558 | ! |
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| 559 | !-- Boundary condition for dissipation |
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| 560 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 561 | ENDIF |
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| 562 | |
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| 563 | END SUBROUTINE diffusion_e_ij |
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| 564 | |
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| 565 | END MODULE diffusion_e_mod |
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