[1873] | 1 | !> @file diffusion_e.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[1036] | 3 | ! This file is part of PALM. |
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| 4 | ! |
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[2000] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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[1036] | 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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[1818] | 17 | ! Copyright 1997-2016 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[484] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[2037] | 22 | ! Anelastic approximation implemented |
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[1341] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: diffusion_e.f90 2037 2016-10-26 11:15:40Z knoop $ |
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| 27 | ! |
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[2001] | 28 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 29 | ! Forced header and separation lines into 80 columns |
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| 30 | ! |
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[1874] | 31 | ! 1873 2016-04-18 14:50:06Z maronga |
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| 32 | ! Module renamed (removed _mod) |
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| 33 | ! |
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| 34 | ! |
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[1851] | 35 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 36 | ! Module renamed |
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| 37 | ! Adapted for modularization of microphysics |
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| 38 | ! |
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[1832] | 39 | ! 1831 2016-04-07 13:15:51Z hoffmann |
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| 40 | ! turbulence renamed collision_turbulence |
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| 41 | ! |
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[1683] | 42 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 43 | ! Code annotations made doxygen readable |
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| 44 | ! |
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[1375] | 45 | ! 1374 2014-04-25 12:55:07Z raasch |
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| 46 | ! missing variables added to ONLY list |
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| 47 | ! rif removed from acc-present-list |
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| 48 | ! |
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[1341] | 49 | ! 1340 2014-03-25 19:45:13Z kanani |
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| 50 | ! REAL constants defined as wp-kind |
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| 51 | ! |
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[1321] | 52 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 53 | ! ONLY-attribute added to USE-statements, |
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| 54 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 55 | ! kinds are defined in new module kinds, |
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| 56 | ! revision history before 2012 removed, |
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| 57 | ! comment fields (!:) to be used for variable explanations added to |
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| 58 | ! all variable declaration statements |
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[98] | 59 | ! |
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[1258] | 60 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 61 | ! openacc loop and loop vector clauses removed |
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| 62 | ! |
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[1182] | 63 | ! 1179 2013-06-14 05:57:58Z raasch |
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| 64 | ! use_reference renamed use_single_reference_value |
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| 65 | ! |
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[1172] | 66 | ! 1171 2013-05-30 11:27:45Z raasch |
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| 67 | ! use_reference-case activated in accelerator version |
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| 68 | ! |
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[1132] | 69 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 70 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 71 | ! j_north |
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| 72 | ! |
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[1066] | 73 | ! 1065 2012-11-22 17:42:36Z hoffmann |
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| 74 | ! Enabled the claculation of diss in case of turbulence = .TRUE. (parameterized |
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| 75 | ! effects of turbulence on autoconversion and accretion in two-moments cloud |
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| 76 | ! physics scheme). |
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| 77 | ! |
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[1037] | 78 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 79 | ! code put under GPL (PALM 3.9) |
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| 80 | ! |
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[1017] | 81 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 82 | ! accelerator version (*_acc) added, |
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| 83 | ! adjustment of mixing length to the Prandtl mixing length at first grid point |
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| 84 | ! above ground removed |
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| 85 | ! |
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[1011] | 86 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 87 | ! cpp switch __nopointer added for pointer free version |
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| 88 | ! |
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[1002] | 89 | ! 1001 2012-09-13 14:08:46Z raasch |
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| 90 | ! most arrays comunicated by module instead of parameter list |
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| 91 | ! |
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[826] | 92 | ! 825 2012-02-19 03:03:44Z raasch |
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| 93 | ! wang_collision_kernel renamed wang_kernel |
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| 94 | ! |
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[1] | 95 | ! Revision 1.1 1997/09/19 07:40:24 raasch |
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| 96 | ! Initial revision |
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| 97 | ! |
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| 98 | ! |
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| 99 | ! Description: |
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| 100 | ! ------------ |
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[1682] | 101 | !> Diffusion- and dissipation terms for the TKE |
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[1] | 102 | !------------------------------------------------------------------------------! |
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[1682] | 103 | MODULE diffusion_e_mod |
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| 104 | |
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[1] | 105 | |
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| 106 | PRIVATE |
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[1015] | 107 | PUBLIC diffusion_e, diffusion_e_acc |
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[1] | 108 | |
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| 109 | |
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| 110 | INTERFACE diffusion_e |
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| 111 | MODULE PROCEDURE diffusion_e |
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| 112 | MODULE PROCEDURE diffusion_e_ij |
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| 113 | END INTERFACE diffusion_e |
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| 114 | |
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[1015] | 115 | INTERFACE diffusion_e_acc |
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| 116 | MODULE PROCEDURE diffusion_e_acc |
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| 117 | END INTERFACE diffusion_e_acc |
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| 118 | |
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[1] | 119 | CONTAINS |
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| 120 | |
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| 121 | |
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| 122 | !------------------------------------------------------------------------------! |
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[1682] | 123 | ! Description: |
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| 124 | ! ------------ |
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| 125 | !> Call for all grid points |
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[1] | 126 | !------------------------------------------------------------------------------! |
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[1001] | 127 | SUBROUTINE diffusion_e( var, var_reference ) |
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[1] | 128 | |
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[1320] | 129 | USE arrays_3d, & |
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[2037] | 130 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw, & |
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| 131 | drho_air, rho_air_zw |
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[1320] | 132 | |
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| 133 | USE control_parameters, & |
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[1831] | 134 | ONLY: atmos_ocean_sign, g, use_single_reference_value, & |
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[1320] | 135 | wall_adjustment, wall_adjustment_factor |
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[1831] | 136 | |
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[1320] | 137 | USE grid_variables, & |
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| 138 | ONLY: ddx2, ddy2 |
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| 139 | |
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| 140 | USE indices, & |
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[1374] | 141 | ONLY: nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg, nzb, nzb_s_inner,& |
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| 142 | nzt |
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[1320] | 143 | |
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| 144 | USE kinds |
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[1849] | 145 | |
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| 146 | USE microphysics_mod, & |
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| 147 | ONLY: collision_turbulence |
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| 148 | |
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[1320] | 149 | USE particle_attributes, & |
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| 150 | ONLY: use_sgs_for_particles, wang_kernel |
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[1] | 151 | |
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| 152 | IMPLICIT NONE |
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| 153 | |
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[1682] | 154 | INTEGER(iwp) :: i !< |
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| 155 | INTEGER(iwp) :: j !< |
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| 156 | INTEGER(iwp) :: k !< |
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| 157 | REAL(wp) :: dvar_dz !< |
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| 158 | REAL(wp) :: l_stable !< |
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| 159 | REAL(wp) :: var_reference !< |
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[1001] | 160 | |
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[1010] | 161 | #if defined( __nopointer ) |
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[1682] | 162 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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[1010] | 163 | #else |
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[1682] | 164 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< |
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[1010] | 165 | #endif |
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[1682] | 166 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: dissipation !< |
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| 167 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: l !< |
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| 168 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: ll !< |
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[1] | 169 | |
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| 170 | |
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| 171 | ! |
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[65] | 172 | !-- This if clause must be outside the k-loop because otherwise |
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| 173 | !-- runtime errors occur with -C hopt on NEC |
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[1179] | 174 | IF ( use_single_reference_value ) THEN |
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[65] | 175 | |
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| 176 | DO i = nxl, nxr |
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| 177 | DO j = nys, nyn |
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| 178 | DO k = nzb_s_inner(j,i)+1, nzt |
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[1] | 179 | ! |
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[65] | 180 | !-- Calculate the mixing length (for dissipation) |
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[97] | 181 | dvar_dz = atmos_ocean_sign * & |
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| 182 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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[1340] | 183 | IF ( dvar_dz > 0.0_wp ) THEN |
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| 184 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
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| 185 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
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[57] | 186 | ELSE |
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[65] | 187 | l_stable = l_grid(k) |
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[57] | 188 | ENDIF |
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[1] | 189 | ! |
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[65] | 190 | !-- Adjustment of the mixing length |
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| 191 | IF ( wall_adjustment ) THEN |
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[94] | 192 | l(k,j) = MIN( wall_adjustment_factor * & |
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| 193 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 194 | l_grid(k), l_stable ) |
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| 195 | ll(k,j) = MIN( wall_adjustment_factor * & |
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| 196 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 197 | l_grid(k) ) |
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[65] | 198 | ELSE |
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| 199 | l(k,j) = MIN( l_grid(k), l_stable ) |
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| 200 | ll(k,j) = l_grid(k) |
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| 201 | ENDIF |
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[1] | 202 | |
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[65] | 203 | ENDDO |
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[1] | 204 | ENDDO |
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[65] | 205 | |
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[1] | 206 | ! |
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[65] | 207 | !-- Calculate the tendency terms |
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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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[1] | 210 | |
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[1340] | 211 | dissipation(k,j) = ( 0.19_wp + 0.74_wp * l(k,j) / ll(k,j) ) * & |
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[65] | 212 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
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[1] | 213 | |
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[65] | 214 | tend(k,j,i) = tend(k,j,i) & |
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[1] | 215 | + ( & |
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| 216 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 217 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 218 | ) * ddx2 & |
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| 219 | + ( & |
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| 220 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 221 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 222 | ) * ddy2 & |
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| 223 | + ( & |
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| 224 | ( 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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[2037] | 225 | * rho_air_zw(k) & |
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[1] | 226 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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[2037] | 227 | * rho_air_zw(k-1) & |
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| 228 | ) * ddzw(k) * drho_air(k) & |
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[1] | 229 | - dissipation(k,j) |
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| 230 | |
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[65] | 231 | ENDDO |
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[1] | 232 | ENDDO |
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[65] | 233 | |
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| 234 | ! |
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| 235 | !-- Store dissipation if needed for calculating the sgs particle |
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| 236 | !-- velocities |
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[1065] | 237 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 238 | collision_turbulence ) THEN |
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[65] | 239 | DO j = nys, nyn |
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| 240 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 241 | diss(k,j,i) = dissipation(k,j) |
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| 242 | ENDDO |
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| 243 | ENDDO |
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| 244 | ENDIF |
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| 245 | |
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[1] | 246 | ENDDO |
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| 247 | |
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[65] | 248 | ELSE |
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| 249 | |
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| 250 | DO i = nxl, nxr |
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| 251 | DO j = nys, nyn |
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| 252 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 253 | ! |
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| 254 | !-- Calculate the mixing length (for dissipation) |
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[97] | 255 | dvar_dz = atmos_ocean_sign * & |
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| 256 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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[1340] | 257 | IF ( dvar_dz > 0.0_wp ) THEN |
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| 258 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
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| 259 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
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[65] | 260 | ELSE |
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| 261 | l_stable = l_grid(k) |
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| 262 | ENDIF |
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| 263 | ! |
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| 264 | !-- Adjustment of the mixing length |
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| 265 | IF ( wall_adjustment ) THEN |
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[94] | 266 | l(k,j) = MIN( wall_adjustment_factor * & |
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| 267 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 268 | l_grid(k), l_stable ) |
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| 269 | ll(k,j) = MIN( wall_adjustment_factor * & |
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| 270 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
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| 271 | l_grid(k) ) |
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[65] | 272 | ELSE |
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| 273 | l(k,j) = MIN( l_grid(k), l_stable ) |
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| 274 | ll(k,j) = l_grid(k) |
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| 275 | ENDIF |
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| 276 | |
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| 277 | ENDDO |
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| 278 | ENDDO |
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| 279 | |
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| 280 | ! |
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| 281 | !-- Calculate the tendency terms |
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[1] | 282 | DO j = nys, nyn |
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[19] | 283 | DO k = nzb_s_inner(j,i)+1, nzt |
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[65] | 284 | |
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[1340] | 285 | dissipation(k,j) = ( 0.19_wp + 0.74_wp * l(k,j) / ll(k,j) ) * & |
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| 286 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
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[65] | 287 | |
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| 288 | tend(k,j,i) = tend(k,j,i) & |
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| 289 | + ( & |
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| 290 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
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| 291 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
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| 292 | ) * ddx2 & |
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| 293 | + ( & |
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| 294 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
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| 295 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
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| 296 | ) * ddy2 & |
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| 297 | + ( & |
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| 298 | ( 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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[2037] | 299 | * rho_air_zw(k) & |
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[65] | 300 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
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[2037] | 301 | * rho_air_zw(k-1) & |
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| 302 | ) * ddzw(k) * drho_air(k) & |
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[65] | 303 | - dissipation(k,j) |
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| 304 | |
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[1] | 305 | ENDDO |
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| 306 | ENDDO |
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| 307 | |
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[65] | 308 | ! |
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| 309 | !-- Store dissipation if needed for calculating the sgs particle |
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| 310 | !-- velocities |
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[1065] | 311 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 312 | collision_turbulence ) THEN |
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[65] | 313 | DO j = nys, nyn |
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| 314 | DO k = nzb_s_inner(j,i)+1, nzt |
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| 315 | diss(k,j,i) = dissipation(k,j) |
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| 316 | ENDDO |
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| 317 | ENDDO |
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| 318 | ENDIF |
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[1] | 319 | |
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[65] | 320 | ENDDO |
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| 321 | |
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| 322 | ENDIF |
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| 323 | |
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[1] | 324 | ! |
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| 325 | !-- Boundary condition for dissipation |
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[1849] | 326 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 327 | collision_turbulence ) THEN |
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[1] | 328 | DO i = nxl, nxr |
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| 329 | DO j = nys, nyn |
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| 330 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
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| 331 | ENDDO |
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| 332 | ENDDO |
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| 333 | ENDIF |
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| 334 | |
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| 335 | END SUBROUTINE diffusion_e |
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| 336 | |
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| 337 | |
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| 338 | !------------------------------------------------------------------------------! |
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[1682] | 339 | ! Description: |
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| 340 | ! ------------ |
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| 341 | !> Call for all grid points - accelerator version |
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[1015] | 342 | !------------------------------------------------------------------------------! |
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| 343 | SUBROUTINE diffusion_e_acc( var, var_reference ) |
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| 344 | |
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[1320] | 345 | USE arrays_3d, & |
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[2037] | 346 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw, & |
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| 347 | drho_air, rho_air_zw |
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[1320] | 348 | |
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| 349 | USE control_parameters, & |
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[1831] | 350 | ONLY: atmos_ocean_sign, g, use_single_reference_value, & |
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[1320] | 351 | wall_adjustment, wall_adjustment_factor |
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[1831] | 352 | |
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[1320] | 353 | USE grid_variables, & |
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| 354 | ONLY: ddx2, ddy2 |
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| 355 | |
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| 356 | USE indices, & |
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[1374] | 357 | ONLY: i_left, i_right, j_north, j_south, nxlg, nxrg, nyng, nysg, & |
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| 358 | nzb, nzb_s_inner, nzt |
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[1320] | 359 | |
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| 360 | USE kinds |
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[1849] | 361 | |
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| 362 | USE microphysics_mod, & |
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| 363 | ONLY: collision_turbulence |
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| 364 | |
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[1320] | 365 | USE particle_attributes, & |
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| 366 | ONLY: use_sgs_for_particles, wang_kernel |
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[1015] | 367 | |
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| 368 | IMPLICIT NONE |
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| 369 | |
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[1682] | 370 | INTEGER(iwp) :: i !< |
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| 371 | INTEGER(iwp) :: j !< |
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| 372 | INTEGER(iwp) :: k !< |
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| 373 | REAL(wp) :: dissipation !< |
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| 374 | REAL(wp) :: dvar_dz !< |
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| 375 | REAL(wp) :: l !< |
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| 376 | REAL(wp) :: ll !< |
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| 377 | REAL(wp) :: l_stable !< |
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| 378 | REAL(wp) :: var_reference !< |
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[1015] | 379 | |
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| 380 | #if defined( __nopointer ) |
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[1682] | 381 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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[1015] | 382 | #else |
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[1682] | 383 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< |
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[1015] | 384 | #endif |
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| 385 | |
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| 386 | |
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| 387 | ! |
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| 388 | !-- This if clause must be outside the k-loop because otherwise |
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| 389 | !-- runtime errors occur with -C hopt on NEC |
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[1179] | 390 | IF ( use_single_reference_value ) THEN |
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[1171] | 391 | |
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| 392 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
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[1374] | 393 | !$acc present( nzb_s_inner, tend, var, zu, zw ) |
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[1171] | 394 | DO i = i_left, i_right |
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| 395 | DO j = j_south, j_north |
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| 396 | DO k = 1, nzt |
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| 397 | |
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| 398 | IF ( k > nzb_s_inner(j,i) ) THEN |
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[1015] | 399 | ! |
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[1171] | 400 | !-- Calculate the mixing length (for dissipation) |
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| 401 | dvar_dz = atmos_ocean_sign * & |
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| 402 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
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[1340] | 403 | IF ( dvar_dz > 0.0_wp ) THEN |
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| 404 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
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| 405 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
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[1171] | 406 | ELSE |
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| 407 | l_stable = l_grid(k) |
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| 408 | ENDIF |
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[1015] | 409 | ! |
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[1171] | 410 | !-- Adjustment of the mixing length |
---|
| 411 | IF ( wall_adjustment ) THEN |
---|
| 412 | l = MIN( wall_adjustment_factor * & |
---|
| 413 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 414 | l_grid(k), l_stable ) |
---|
| 415 | ll = MIN( wall_adjustment_factor * & |
---|
| 416 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 417 | l_grid(k) ) |
---|
| 418 | ELSE |
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| 419 | l = MIN( l_grid(k), l_stable ) |
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| 420 | ll = l_grid(k) |
---|
| 421 | ENDIF |
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[1015] | 422 | ! |
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[1171] | 423 | !-- Calculate the tendency terms |
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[1340] | 424 | dissipation = ( 0.19_wp + 0.74_wp * l / ll ) * & |
---|
| 425 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
---|
[1171] | 426 | |
---|
| 427 | tend(k,j,i) = tend(k,j,i) & |
---|
| 428 | + ( & |
---|
| 429 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 430 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 431 | ) * ddx2 & |
---|
| 432 | + ( & |
---|
| 433 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 434 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 435 | ) * ddy2 & |
---|
| 436 | + ( & |
---|
| 437 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
[2037] | 438 | * rho_air_zw(k) & |
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[1171] | 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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[2037] | 440 | * rho_air_zw(k-1) & |
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| 441 | ) * ddzw(k) * drho_air(k) & |
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[1171] | 442 | - dissipation |
---|
| 443 | |
---|
[1015] | 444 | ! |
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[1171] | 445 | !-- Store dissipation if needed for calculating the sgs particle |
---|
| 446 | !-- velocities |
---|
| 447 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
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[1831] | 448 | collision_turbulence ) THEN |
---|
[1171] | 449 | diss(k,j,i) = dissipation |
---|
| 450 | ENDIF |
---|
| 451 | |
---|
| 452 | ENDIF |
---|
| 453 | |
---|
| 454 | ENDDO |
---|
| 455 | ENDDO |
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| 456 | ENDDO |
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| 457 | !$acc end kernels |
---|
| 458 | |
---|
[1015] | 459 | ELSE |
---|
| 460 | |
---|
| 461 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
---|
[1374] | 462 | !$acc present( nzb_s_inner, tend, var, zu, zw ) |
---|
[1128] | 463 | DO i = i_left, i_right |
---|
| 464 | DO j = j_south, j_north |
---|
[1015] | 465 | DO k = 1, nzt |
---|
| 466 | |
---|
| 467 | IF ( k > nzb_s_inner(j,i) ) THEN |
---|
| 468 | ! |
---|
| 469 | !-- Calculate the mixing length (for dissipation) |
---|
| 470 | dvar_dz = atmos_ocean_sign * & |
---|
| 471 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
[1340] | 472 | IF ( dvar_dz > 0.0_wp ) THEN |
---|
| 473 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
---|
| 474 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
---|
[1015] | 475 | ELSE |
---|
| 476 | l_stable = l_grid(k) |
---|
| 477 | ENDIF |
---|
| 478 | ! |
---|
| 479 | !-- Adjustment of the mixing length |
---|
| 480 | IF ( wall_adjustment ) THEN |
---|
| 481 | l = MIN( wall_adjustment_factor * & |
---|
| 482 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 483 | l_grid(k), l_stable ) |
---|
| 484 | ll = MIN( wall_adjustment_factor * & |
---|
| 485 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 486 | l_grid(k) ) |
---|
| 487 | ELSE |
---|
| 488 | l = MIN( l_grid(k), l_stable ) |
---|
| 489 | ll = l_grid(k) |
---|
| 490 | ENDIF |
---|
| 491 | ! |
---|
| 492 | !-- Calculate the tendency terms |
---|
[1340] | 493 | dissipation = ( 0.19_wp + 0.74_wp * l / ll ) * & |
---|
| 494 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
---|
[1015] | 495 | |
---|
| 496 | tend(k,j,i) = tend(k,j,i) & |
---|
| 497 | + ( & |
---|
| 498 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 499 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 500 | ) * ddx2 & |
---|
| 501 | + ( & |
---|
| 502 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 503 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 504 | ) * ddy2 & |
---|
| 505 | + ( & |
---|
| 506 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
[2037] | 507 | * rho_air_zw(k) & |
---|
[1015] | 508 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
[2037] | 509 | * rho_air_zw(k-1) & |
---|
| 510 | ) * ddzw(k) * drho_air(k) & |
---|
[1171] | 511 | - dissipation |
---|
[1015] | 512 | |
---|
| 513 | ! |
---|
| 514 | !-- Store dissipation if needed for calculating the sgs |
---|
| 515 | !-- particle velocities |
---|
[1065] | 516 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
---|
[1831] | 517 | collision_turbulence ) THEN |
---|
[1015] | 518 | diss(k,j,i) = dissipation |
---|
| 519 | ENDIF |
---|
| 520 | |
---|
| 521 | ENDIF |
---|
| 522 | |
---|
| 523 | ENDDO |
---|
| 524 | ENDDO |
---|
| 525 | ENDDO |
---|
| 526 | !$acc end kernels |
---|
| 527 | |
---|
| 528 | ENDIF |
---|
| 529 | |
---|
| 530 | ! |
---|
| 531 | !-- Boundary condition for dissipation |
---|
[1831] | 532 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
---|
| 533 | collision_turbulence ) THEN |
---|
[1015] | 534 | !$acc kernels present( diss, nzb_s_inner ) |
---|
[1128] | 535 | DO i = i_left, i_right |
---|
| 536 | DO j = j_south, j_north |
---|
[1015] | 537 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
---|
| 538 | ENDDO |
---|
| 539 | ENDDO |
---|
| 540 | !$acc end kernels |
---|
| 541 | ENDIF |
---|
| 542 | |
---|
| 543 | END SUBROUTINE diffusion_e_acc |
---|
| 544 | |
---|
| 545 | |
---|
| 546 | !------------------------------------------------------------------------------! |
---|
[1682] | 547 | ! Description: |
---|
| 548 | ! ------------ |
---|
| 549 | !> Call for grid point i,j |
---|
[1] | 550 | !------------------------------------------------------------------------------! |
---|
[1001] | 551 | SUBROUTINE diffusion_e_ij( i, j, var, var_reference ) |
---|
[1] | 552 | |
---|
[1320] | 553 | USE arrays_3d, & |
---|
[2037] | 554 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw, & |
---|
| 555 | drho_air, rho_air_zw |
---|
[1320] | 556 | |
---|
| 557 | USE control_parameters, & |
---|
[1831] | 558 | ONLY: atmos_ocean_sign, g, use_single_reference_value, & |
---|
[1320] | 559 | wall_adjustment, wall_adjustment_factor |
---|
[1831] | 560 | |
---|
[1320] | 561 | USE grid_variables, & |
---|
| 562 | ONLY: ddx2, ddy2 |
---|
| 563 | |
---|
| 564 | USE indices, & |
---|
[1374] | 565 | ONLY: nxlg, nxrg, nyng, nysg, nzb, nzb_s_inner, nzt |
---|
[1320] | 566 | |
---|
| 567 | USE kinds |
---|
[1849] | 568 | |
---|
| 569 | USE microphysics_mod, & |
---|
| 570 | ONLY: collision_turbulence |
---|
| 571 | |
---|
[1320] | 572 | USE particle_attributes, & |
---|
| 573 | ONLY: use_sgs_for_particles, wang_kernel |
---|
[1] | 574 | |
---|
| 575 | IMPLICIT NONE |
---|
| 576 | |
---|
[1682] | 577 | INTEGER(iwp) :: i !< |
---|
| 578 | INTEGER(iwp) :: j !< |
---|
| 579 | INTEGER(iwp) :: k !< |
---|
| 580 | REAL(wp) :: dvar_dz !< |
---|
| 581 | REAL(wp) :: l_stable !< |
---|
| 582 | REAL(wp) :: var_reference !< |
---|
[1] | 583 | |
---|
[1010] | 584 | #if defined( __nopointer ) |
---|
[1682] | 585 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
---|
[1010] | 586 | #else |
---|
[1682] | 587 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !< |
---|
[1010] | 588 | #endif |
---|
[1682] | 589 | REAL(wp), DIMENSION(nzb+1:nzt) :: dissipation !< |
---|
| 590 | REAL(wp), DIMENSION(nzb+1:nzt) :: l !< |
---|
| 591 | REAL(wp), DIMENSION(nzb+1:nzt) :: ll !< |
---|
[1] | 592 | |
---|
[1001] | 593 | |
---|
[1] | 594 | ! |
---|
| 595 | !-- Calculate the mixing length (for dissipation) |
---|
[19] | 596 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[97] | 597 | dvar_dz = atmos_ocean_sign * & |
---|
| 598 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
[1340] | 599 | IF ( dvar_dz > 0.0_wp ) THEN |
---|
[1179] | 600 | IF ( use_single_reference_value ) THEN |
---|
[1340] | 601 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
---|
| 602 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
---|
[57] | 603 | ELSE |
---|
[1340] | 604 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
---|
| 605 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
---|
[57] | 606 | ENDIF |
---|
[1] | 607 | ELSE |
---|
| 608 | l_stable = l_grid(k) |
---|
| 609 | ENDIF |
---|
| 610 | ! |
---|
| 611 | !-- Adjustment of the mixing length |
---|
| 612 | IF ( wall_adjustment ) THEN |
---|
[94] | 613 | l(k) = MIN( wall_adjustment_factor * & |
---|
| 614 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k), & |
---|
| 615 | l_stable ) |
---|
| 616 | ll(k) = MIN( wall_adjustment_factor * & |
---|
| 617 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k) ) |
---|
[1] | 618 | ELSE |
---|
| 619 | l(k) = MIN( l_grid(k), l_stable ) |
---|
| 620 | ll(k) = l_grid(k) |
---|
| 621 | ENDIF |
---|
| 622 | ! |
---|
| 623 | !-- Calculate the tendency term |
---|
[1340] | 624 | dissipation(k) = ( 0.19_wp + 0.74_wp * l(k) / ll(k) ) * e(k,j,i) * & |
---|
| 625 | SQRT( e(k,j,i) ) / l(k) |
---|
[1] | 626 | |
---|
| 627 | tend(k,j,i) = tend(k,j,i) & |
---|
| 628 | + ( & |
---|
| 629 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 630 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 631 | ) * ddx2 & |
---|
| 632 | + ( & |
---|
| 633 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 634 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 635 | ) * ddy2 & |
---|
| 636 | + ( & |
---|
| 637 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
[2037] | 638 | * rho_air_zw(k) & |
---|
[1] | 639 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
[2037] | 640 | * rho_air_zw(k-1) & |
---|
| 641 | ) * ddzw(k) * drho_air(k) & |
---|
[1] | 642 | - dissipation(k) |
---|
| 643 | |
---|
| 644 | ENDDO |
---|
| 645 | |
---|
| 646 | ! |
---|
| 647 | !-- Store dissipation if needed for calculating the sgs particle velocities |
---|
[1849] | 648 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
---|
| 649 | collision_turbulence ) THEN |
---|
[19] | 650 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[1] | 651 | diss(k,j,i) = dissipation(k) |
---|
| 652 | ENDDO |
---|
| 653 | ! |
---|
| 654 | !-- Boundary condition for dissipation |
---|
| 655 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
---|
| 656 | ENDIF |
---|
| 657 | |
---|
| 658 | END SUBROUTINE diffusion_e_ij |
---|
| 659 | |
---|
| 660 | END MODULE diffusion_e_mod |
---|