| 1 | MODULE diffusion_e_mod |
|---|
| 2 | |
|---|
| 3 | !--------------------------------------------------------------------------------! |
|---|
| 4 | ! This file is part of PALM. |
|---|
| 5 | ! |
|---|
| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
|---|
| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
|---|
| 8 | ! either version 3 of the License, or (at your option) any later version. |
|---|
| 9 | ! |
|---|
| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
|---|
| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
|---|
| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
|---|
| 13 | ! |
|---|
| 14 | ! You should have received a copy of the GNU General Public License along with |
|---|
| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
|---|
| 16 | ! |
|---|
| 17 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
|---|
| 18 | !--------------------------------------------------------------------------------! |
|---|
| 19 | ! |
|---|
| 20 | ! Current revisions: |
|---|
| 21 | ! ----------------- |
|---|
| 22 | ! |
|---|
| 23 | ! |
|---|
| 24 | ! Former revisions: |
|---|
| 25 | ! ----------------- |
|---|
| 26 | ! $Id: diffusion_e.f90 1341 2014-03-25 19:48:09Z maronga $ |
|---|
| 27 | ! |
|---|
| 28 | ! 1340 2014-03-25 19:45:13Z kanani |
|---|
| 29 | ! REAL constants defined as wp-kind |
|---|
| 30 | ! |
|---|
| 31 | ! 1320 2014-03-20 08:40:49Z raasch |
|---|
| 32 | ! ONLY-attribute added to USE-statements, |
|---|
| 33 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
|---|
| 34 | ! kinds are defined in new module kinds, |
|---|
| 35 | ! revision history before 2012 removed, |
|---|
| 36 | ! comment fields (!:) to be used for variable explanations added to |
|---|
| 37 | ! all variable declaration statements |
|---|
| 38 | ! |
|---|
| 39 | ! 1257 2013-11-08 15:18:40Z raasch |
|---|
| 40 | ! openacc loop and loop vector clauses removed |
|---|
| 41 | ! |
|---|
| 42 | ! 1179 2013-06-14 05:57:58Z raasch |
|---|
| 43 | ! use_reference renamed use_single_reference_value |
|---|
| 44 | ! |
|---|
| 45 | ! 1171 2013-05-30 11:27:45Z raasch |
|---|
| 46 | ! use_reference-case activated in accelerator version |
|---|
| 47 | ! |
|---|
| 48 | ! 1128 2013-04-12 06:19:32Z raasch |
|---|
| 49 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
|---|
| 50 | ! j_north |
|---|
| 51 | ! |
|---|
| 52 | ! 1065 2012-11-22 17:42:36Z hoffmann |
|---|
| 53 | ! Enabled the claculation of diss in case of turbulence = .TRUE. (parameterized |
|---|
| 54 | ! effects of turbulence on autoconversion and accretion in two-moments cloud |
|---|
| 55 | ! physics scheme). |
|---|
| 56 | ! |
|---|
| 57 | ! 1036 2012-10-22 13:43:42Z raasch |
|---|
| 58 | ! code put under GPL (PALM 3.9) |
|---|
| 59 | ! |
|---|
| 60 | ! 1015 2012-09-27 09:23:24Z raasch |
|---|
| 61 | ! accelerator version (*_acc) added, |
|---|
| 62 | ! adjustment of mixing length to the Prandtl mixing length at first grid point |
|---|
| 63 | ! above ground removed |
|---|
| 64 | ! |
|---|
| 65 | ! 1010 2012-09-20 07:59:54Z raasch |
|---|
| 66 | ! cpp switch __nopointer added for pointer free version |
|---|
| 67 | ! |
|---|
| 68 | ! 1001 2012-09-13 14:08:46Z raasch |
|---|
| 69 | ! most arrays comunicated by module instead of parameter list |
|---|
| 70 | ! |
|---|
| 71 | ! 825 2012-02-19 03:03:44Z raasch |
|---|
| 72 | ! wang_collision_kernel renamed wang_kernel |
|---|
| 73 | ! |
|---|
| 74 | ! Revision 1.1 1997/09/19 07:40:24 raasch |
|---|
| 75 | ! Initial revision |
|---|
| 76 | ! |
|---|
| 77 | ! |
|---|
| 78 | ! Description: |
|---|
| 79 | ! ------------ |
|---|
| 80 | ! Diffusion- and dissipation terms for the TKE |
|---|
| 81 | !------------------------------------------------------------------------------! |
|---|
| 82 | |
|---|
| 83 | PRIVATE |
|---|
| 84 | PUBLIC diffusion_e, diffusion_e_acc |
|---|
| 85 | |
|---|
| 86 | |
|---|
| 87 | INTERFACE diffusion_e |
|---|
| 88 | MODULE PROCEDURE diffusion_e |
|---|
| 89 | MODULE PROCEDURE diffusion_e_ij |
|---|
| 90 | END INTERFACE diffusion_e |
|---|
| 91 | |
|---|
| 92 | INTERFACE diffusion_e_acc |
|---|
| 93 | MODULE PROCEDURE diffusion_e_acc |
|---|
| 94 | END INTERFACE diffusion_e_acc |
|---|
| 95 | |
|---|
| 96 | CONTAINS |
|---|
| 97 | |
|---|
| 98 | |
|---|
| 99 | !------------------------------------------------------------------------------! |
|---|
| 100 | ! Call for all grid points |
|---|
| 101 | !------------------------------------------------------------------------------! |
|---|
| 102 | SUBROUTINE diffusion_e( var, var_reference ) |
|---|
| 103 | |
|---|
| 104 | USE arrays_3d, & |
|---|
| 105 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw |
|---|
| 106 | |
|---|
| 107 | USE control_parameters, & |
|---|
| 108 | ONLY: atmos_ocean_sign, g, turbulence, use_single_reference_value, & |
|---|
| 109 | wall_adjustment, wall_adjustment_factor |
|---|
| 110 | |
|---|
| 111 | USE grid_variables, & |
|---|
| 112 | ONLY: ddx2, ddy2 |
|---|
| 113 | |
|---|
| 114 | USE indices, & |
|---|
| 115 | ONLY: nxl, nxr, nyn, nys, nzb, nzb_s_inner, nzt |
|---|
| 116 | |
|---|
| 117 | USE kinds |
|---|
| 118 | |
|---|
| 119 | USE particle_attributes, & |
|---|
| 120 | ONLY: use_sgs_for_particles, wang_kernel |
|---|
| 121 | |
|---|
| 122 | IMPLICIT NONE |
|---|
| 123 | |
|---|
| 124 | INTEGER(iwp) :: i !: |
|---|
| 125 | INTEGER(iwp) :: j !: |
|---|
| 126 | INTEGER(iwp) :: k !: |
|---|
| 127 | REAL(wp) :: dvar_dz !: |
|---|
| 128 | REAL(wp) :: l_stable !: |
|---|
| 129 | REAL(wp) :: var_reference !: |
|---|
| 130 | |
|---|
| 131 | #if defined( __nopointer ) |
|---|
| 132 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
|---|
| 133 | #else |
|---|
| 134 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !: |
|---|
| 135 | #endif |
|---|
| 136 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: dissipation !: |
|---|
| 137 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: l !: |
|---|
| 138 | REAL(wp), DIMENSION(nzb+1:nzt,nys:nyn) :: ll !: |
|---|
| 139 | |
|---|
| 140 | |
|---|
| 141 | ! |
|---|
| 142 | !-- This if clause must be outside the k-loop because otherwise |
|---|
| 143 | !-- runtime errors occur with -C hopt on NEC |
|---|
| 144 | IF ( use_single_reference_value ) THEN |
|---|
| 145 | |
|---|
| 146 | DO i = nxl, nxr |
|---|
| 147 | DO j = nys, nyn |
|---|
| 148 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 149 | ! |
|---|
| 150 | !-- Calculate the mixing length (for dissipation) |
|---|
| 151 | dvar_dz = atmos_ocean_sign * & |
|---|
| 152 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
|---|
| 153 | IF ( dvar_dz > 0.0_wp ) THEN |
|---|
| 154 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
|---|
| 155 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
|---|
| 156 | ELSE |
|---|
| 157 | l_stable = l_grid(k) |
|---|
| 158 | ENDIF |
|---|
| 159 | ! |
|---|
| 160 | !-- Adjustment of the mixing length |
|---|
| 161 | IF ( wall_adjustment ) THEN |
|---|
| 162 | l(k,j) = MIN( wall_adjustment_factor * & |
|---|
| 163 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
|---|
| 164 | l_grid(k), l_stable ) |
|---|
| 165 | ll(k,j) = MIN( wall_adjustment_factor * & |
|---|
| 166 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
|---|
| 167 | l_grid(k) ) |
|---|
| 168 | ELSE |
|---|
| 169 | l(k,j) = MIN( l_grid(k), l_stable ) |
|---|
| 170 | ll(k,j) = l_grid(k) |
|---|
| 171 | ENDIF |
|---|
| 172 | |
|---|
| 173 | ENDDO |
|---|
| 174 | ENDDO |
|---|
| 175 | |
|---|
| 176 | ! |
|---|
| 177 | !-- Calculate the tendency terms |
|---|
| 178 | DO j = nys, nyn |
|---|
| 179 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 180 | |
|---|
| 181 | dissipation(k,j) = ( 0.19_wp + 0.74_wp * l(k,j) / ll(k,j) ) * & |
|---|
| 182 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
|---|
| 183 | |
|---|
| 184 | tend(k,j,i) = tend(k,j,i) & |
|---|
| 185 | + ( & |
|---|
| 186 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
|---|
| 187 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
|---|
| 188 | ) * ddx2 & |
|---|
| 189 | + ( & |
|---|
| 190 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
|---|
| 191 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
|---|
| 192 | ) * ddy2 & |
|---|
| 193 | + ( & |
|---|
| 194 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
|---|
| 195 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
|---|
| 196 | ) * ddzw(k) & |
|---|
| 197 | - dissipation(k,j) |
|---|
| 198 | |
|---|
| 199 | ENDDO |
|---|
| 200 | ENDDO |
|---|
| 201 | |
|---|
| 202 | ! |
|---|
| 203 | !-- Store dissipation if needed for calculating the sgs particle |
|---|
| 204 | !-- velocities |
|---|
| 205 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
|---|
| 206 | turbulence ) THEN |
|---|
| 207 | DO j = nys, nyn |
|---|
| 208 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 209 | diss(k,j,i) = dissipation(k,j) |
|---|
| 210 | ENDDO |
|---|
| 211 | ENDDO |
|---|
| 212 | ENDIF |
|---|
| 213 | |
|---|
| 214 | ENDDO |
|---|
| 215 | |
|---|
| 216 | ELSE |
|---|
| 217 | |
|---|
| 218 | DO i = nxl, nxr |
|---|
| 219 | DO j = nys, nyn |
|---|
| 220 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 221 | ! |
|---|
| 222 | !-- Calculate the mixing length (for dissipation) |
|---|
| 223 | dvar_dz = atmos_ocean_sign * & |
|---|
| 224 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
|---|
| 225 | IF ( dvar_dz > 0.0_wp ) THEN |
|---|
| 226 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
|---|
| 227 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
|---|
| 228 | ELSE |
|---|
| 229 | l_stable = l_grid(k) |
|---|
| 230 | ENDIF |
|---|
| 231 | ! |
|---|
| 232 | !-- Adjustment of the mixing length |
|---|
| 233 | IF ( wall_adjustment ) THEN |
|---|
| 234 | l(k,j) = MIN( wall_adjustment_factor * & |
|---|
| 235 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
|---|
| 236 | l_grid(k), l_stable ) |
|---|
| 237 | ll(k,j) = MIN( wall_adjustment_factor * & |
|---|
| 238 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
|---|
| 239 | l_grid(k) ) |
|---|
| 240 | ELSE |
|---|
| 241 | l(k,j) = MIN( l_grid(k), l_stable ) |
|---|
| 242 | ll(k,j) = l_grid(k) |
|---|
| 243 | ENDIF |
|---|
| 244 | |
|---|
| 245 | ENDDO |
|---|
| 246 | ENDDO |
|---|
| 247 | |
|---|
| 248 | ! |
|---|
| 249 | !-- Calculate the tendency terms |
|---|
| 250 | DO j = nys, nyn |
|---|
| 251 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 252 | |
|---|
| 253 | dissipation(k,j) = ( 0.19_wp + 0.74_wp * l(k,j) / ll(k,j) ) * & |
|---|
| 254 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
|---|
| 255 | |
|---|
| 256 | tend(k,j,i) = tend(k,j,i) & |
|---|
| 257 | + ( & |
|---|
| 258 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
|---|
| 259 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
|---|
| 260 | ) * ddx2 & |
|---|
| 261 | + ( & |
|---|
| 262 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
|---|
| 263 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
|---|
| 264 | ) * ddy2 & |
|---|
| 265 | + ( & |
|---|
| 266 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
|---|
| 267 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
|---|
| 268 | ) * ddzw(k) & |
|---|
| 269 | - dissipation(k,j) |
|---|
| 270 | |
|---|
| 271 | ENDDO |
|---|
| 272 | ENDDO |
|---|
| 273 | |
|---|
| 274 | ! |
|---|
| 275 | !-- Store dissipation if needed for calculating the sgs particle |
|---|
| 276 | !-- velocities |
|---|
| 277 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
|---|
| 278 | turbulence ) THEN |
|---|
| 279 | DO j = nys, nyn |
|---|
| 280 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 281 | diss(k,j,i) = dissipation(k,j) |
|---|
| 282 | ENDDO |
|---|
| 283 | ENDDO |
|---|
| 284 | ENDIF |
|---|
| 285 | |
|---|
| 286 | ENDDO |
|---|
| 287 | |
|---|
| 288 | ENDIF |
|---|
| 289 | |
|---|
| 290 | ! |
|---|
| 291 | !-- Boundary condition for dissipation |
|---|
| 292 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
|---|
| 293 | DO i = nxl, nxr |
|---|
| 294 | DO j = nys, nyn |
|---|
| 295 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
|---|
| 296 | ENDDO |
|---|
| 297 | ENDDO |
|---|
| 298 | ENDIF |
|---|
| 299 | |
|---|
| 300 | END SUBROUTINE diffusion_e |
|---|
| 301 | |
|---|
| 302 | |
|---|
| 303 | !------------------------------------------------------------------------------! |
|---|
| 304 | ! Call for all grid points - accelerator version |
|---|
| 305 | !------------------------------------------------------------------------------! |
|---|
| 306 | SUBROUTINE diffusion_e_acc( var, var_reference ) |
|---|
| 307 | |
|---|
| 308 | USE arrays_3d, & |
|---|
| 309 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw |
|---|
| 310 | |
|---|
| 311 | USE control_parameters, & |
|---|
| 312 | ONLY: atmos_ocean_sign, g, turbulence, use_single_reference_value, & |
|---|
| 313 | wall_adjustment, wall_adjustment_factor |
|---|
| 314 | |
|---|
| 315 | USE grid_variables, & |
|---|
| 316 | ONLY: ddx2, ddy2 |
|---|
| 317 | |
|---|
| 318 | USE indices, & |
|---|
| 319 | ONLY: i_left, i_right, j_north, j_south, nzb_s_inner, nzt |
|---|
| 320 | |
|---|
| 321 | USE kinds |
|---|
| 322 | |
|---|
| 323 | USE particle_attributes, & |
|---|
| 324 | ONLY: use_sgs_for_particles, wang_kernel |
|---|
| 325 | |
|---|
| 326 | IMPLICIT NONE |
|---|
| 327 | |
|---|
| 328 | INTEGER(iwp) :: i !: |
|---|
| 329 | INTEGER(iwp) :: j !: |
|---|
| 330 | INTEGER(iwp) :: k !: |
|---|
| 331 | REAL(wp) :: dissipation !: |
|---|
| 332 | REAL(wp) :: dvar_dz !: |
|---|
| 333 | REAL(wp) :: l !: |
|---|
| 334 | REAL(wp) :: ll !: |
|---|
| 335 | REAL(wp) :: l_stable !: |
|---|
| 336 | REAL(wp) :: var_reference !: |
|---|
| 337 | |
|---|
| 338 | #if defined( __nopointer ) |
|---|
| 339 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
|---|
| 340 | #else |
|---|
| 341 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !: |
|---|
| 342 | #endif |
|---|
| 343 | |
|---|
| 344 | |
|---|
| 345 | ! |
|---|
| 346 | !-- This if clause must be outside the k-loop because otherwise |
|---|
| 347 | !-- runtime errors occur with -C hopt on NEC |
|---|
| 348 | IF ( use_single_reference_value ) THEN |
|---|
| 349 | |
|---|
| 350 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
|---|
| 351 | !$acc present( nzb_s_inner, rif, tend, var, zu, zw ) |
|---|
| 352 | DO i = i_left, i_right |
|---|
| 353 | DO j = j_south, j_north |
|---|
| 354 | DO k = 1, nzt |
|---|
| 355 | |
|---|
| 356 | IF ( k > nzb_s_inner(j,i) ) THEN |
|---|
| 357 | ! |
|---|
| 358 | !-- Calculate the mixing length (for dissipation) |
|---|
| 359 | dvar_dz = atmos_ocean_sign * & |
|---|
| 360 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
|---|
| 361 | IF ( dvar_dz > 0.0_wp ) THEN |
|---|
| 362 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
|---|
| 363 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
|---|
| 364 | ELSE |
|---|
| 365 | l_stable = l_grid(k) |
|---|
| 366 | ENDIF |
|---|
| 367 | ! |
|---|
| 368 | !-- Adjustment of the mixing length |
|---|
| 369 | IF ( wall_adjustment ) THEN |
|---|
| 370 | l = MIN( wall_adjustment_factor * & |
|---|
| 371 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
|---|
| 372 | l_grid(k), l_stable ) |
|---|
| 373 | ll = MIN( wall_adjustment_factor * & |
|---|
| 374 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
|---|
| 375 | l_grid(k) ) |
|---|
| 376 | ELSE |
|---|
| 377 | l = MIN( l_grid(k), l_stable ) |
|---|
| 378 | ll = l_grid(k) |
|---|
| 379 | ENDIF |
|---|
| 380 | ! |
|---|
| 381 | !-- Calculate the tendency terms |
|---|
| 382 | dissipation = ( 0.19_wp + 0.74_wp * l / ll ) * & |
|---|
| 383 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
|---|
| 384 | |
|---|
| 385 | tend(k,j,i) = tend(k,j,i) & |
|---|
| 386 | + ( & |
|---|
| 387 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
|---|
| 388 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
|---|
| 389 | ) * ddx2 & |
|---|
| 390 | + ( & |
|---|
| 391 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
|---|
| 392 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
|---|
| 393 | ) * ddy2 & |
|---|
| 394 | + ( & |
|---|
| 395 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
|---|
| 396 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
|---|
| 397 | ) * ddzw(k) & |
|---|
| 398 | - dissipation |
|---|
| 399 | |
|---|
| 400 | ! |
|---|
| 401 | !-- Store dissipation if needed for calculating the sgs particle |
|---|
| 402 | !-- velocities |
|---|
| 403 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
|---|
| 404 | turbulence ) THEN |
|---|
| 405 | diss(k,j,i) = dissipation |
|---|
| 406 | ENDIF |
|---|
| 407 | |
|---|
| 408 | ENDIF |
|---|
| 409 | |
|---|
| 410 | ENDDO |
|---|
| 411 | ENDDO |
|---|
| 412 | ENDDO |
|---|
| 413 | !$acc end kernels |
|---|
| 414 | |
|---|
| 415 | ELSE |
|---|
| 416 | |
|---|
| 417 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
|---|
| 418 | !$acc present( nzb_s_inner, rif, tend, var, zu, zw ) |
|---|
| 419 | DO i = i_left, i_right |
|---|
| 420 | DO j = j_south, j_north |
|---|
| 421 | DO k = 1, nzt |
|---|
| 422 | |
|---|
| 423 | IF ( k > nzb_s_inner(j,i) ) THEN |
|---|
| 424 | ! |
|---|
| 425 | !-- Calculate the mixing length (for dissipation) |
|---|
| 426 | dvar_dz = atmos_ocean_sign * & |
|---|
| 427 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
|---|
| 428 | IF ( dvar_dz > 0.0_wp ) THEN |
|---|
| 429 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
|---|
| 430 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
|---|
| 431 | ELSE |
|---|
| 432 | l_stable = l_grid(k) |
|---|
| 433 | ENDIF |
|---|
| 434 | ! |
|---|
| 435 | !-- Adjustment of the mixing length |
|---|
| 436 | IF ( wall_adjustment ) THEN |
|---|
| 437 | l = MIN( wall_adjustment_factor * & |
|---|
| 438 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
|---|
| 439 | l_grid(k), l_stable ) |
|---|
| 440 | ll = MIN( wall_adjustment_factor * & |
|---|
| 441 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
|---|
| 442 | l_grid(k) ) |
|---|
| 443 | ELSE |
|---|
| 444 | l = MIN( l_grid(k), l_stable ) |
|---|
| 445 | ll = l_grid(k) |
|---|
| 446 | ENDIF |
|---|
| 447 | ! |
|---|
| 448 | !-- Calculate the tendency terms |
|---|
| 449 | dissipation = ( 0.19_wp + 0.74_wp * l / ll ) * & |
|---|
| 450 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
|---|
| 451 | |
|---|
| 452 | tend(k,j,i) = tend(k,j,i) & |
|---|
| 453 | + ( & |
|---|
| 454 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
|---|
| 455 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
|---|
| 456 | ) * ddx2 & |
|---|
| 457 | + ( & |
|---|
| 458 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
|---|
| 459 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
|---|
| 460 | ) * ddy2 & |
|---|
| 461 | + ( & |
|---|
| 462 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
|---|
| 463 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
|---|
| 464 | ) * ddzw(k) & |
|---|
| 465 | - dissipation |
|---|
| 466 | |
|---|
| 467 | ! |
|---|
| 468 | !-- Store dissipation if needed for calculating the sgs |
|---|
| 469 | !-- particle velocities |
|---|
| 470 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. & |
|---|
| 471 | turbulence ) THEN |
|---|
| 472 | diss(k,j,i) = dissipation |
|---|
| 473 | ENDIF |
|---|
| 474 | |
|---|
| 475 | ENDIF |
|---|
| 476 | |
|---|
| 477 | ENDDO |
|---|
| 478 | ENDDO |
|---|
| 479 | ENDDO |
|---|
| 480 | !$acc end kernels |
|---|
| 481 | |
|---|
| 482 | ENDIF |
|---|
| 483 | |
|---|
| 484 | ! |
|---|
| 485 | !-- Boundary condition for dissipation |
|---|
| 486 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
|---|
| 487 | !$acc kernels present( diss, nzb_s_inner ) |
|---|
| 488 | DO i = i_left, i_right |
|---|
| 489 | DO j = j_south, j_north |
|---|
| 490 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
|---|
| 491 | ENDDO |
|---|
| 492 | ENDDO |
|---|
| 493 | !$acc end kernels |
|---|
| 494 | ENDIF |
|---|
| 495 | |
|---|
| 496 | END SUBROUTINE diffusion_e_acc |
|---|
| 497 | |
|---|
| 498 | |
|---|
| 499 | !------------------------------------------------------------------------------! |
|---|
| 500 | ! Call for grid point i,j |
|---|
| 501 | !------------------------------------------------------------------------------! |
|---|
| 502 | SUBROUTINE diffusion_e_ij( i, j, var, var_reference ) |
|---|
| 503 | |
|---|
| 504 | USE arrays_3d, & |
|---|
| 505 | ONLY: dd2zu, ddzu, ddzw, diss, e, km, l_grid, tend, zu, zw |
|---|
| 506 | |
|---|
| 507 | USE control_parameters, & |
|---|
| 508 | ONLY: atmos_ocean_sign, g, turbulence, use_single_reference_value, & |
|---|
| 509 | wall_adjustment, wall_adjustment_factor |
|---|
| 510 | |
|---|
| 511 | USE grid_variables, & |
|---|
| 512 | ONLY: ddx2, ddy2 |
|---|
| 513 | |
|---|
| 514 | USE indices, & |
|---|
| 515 | ONLY: nzb, nzb_s_inner, nzt |
|---|
| 516 | |
|---|
| 517 | USE kinds |
|---|
| 518 | |
|---|
| 519 | USE particle_attributes, & |
|---|
| 520 | ONLY: use_sgs_for_particles, wang_kernel |
|---|
| 521 | |
|---|
| 522 | IMPLICIT NONE |
|---|
| 523 | |
|---|
| 524 | INTEGER(iwp) :: i !: |
|---|
| 525 | INTEGER(iwp) :: j !: |
|---|
| 526 | INTEGER(iwp) :: k !: |
|---|
| 527 | REAL(wp) :: dvar_dz !: |
|---|
| 528 | REAL(wp) :: l_stable !: |
|---|
| 529 | REAL(wp) :: var_reference !: |
|---|
| 530 | |
|---|
| 531 | #if defined( __nopointer ) |
|---|
| 532 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
|---|
| 533 | #else |
|---|
| 534 | REAL(wp), DIMENSION(:,:,:), POINTER :: var !: |
|---|
| 535 | #endif |
|---|
| 536 | REAL(wp), DIMENSION(nzb+1:nzt) :: dissipation !: |
|---|
| 537 | REAL(wp), DIMENSION(nzb+1:nzt) :: l !: |
|---|
| 538 | REAL(wp), DIMENSION(nzb+1:nzt) :: ll !: |
|---|
| 539 | |
|---|
| 540 | |
|---|
| 541 | ! |
|---|
| 542 | !-- Calculate the mixing length (for dissipation) |
|---|
| 543 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 544 | dvar_dz = atmos_ocean_sign * & |
|---|
| 545 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
|---|
| 546 | IF ( dvar_dz > 0.0_wp ) THEN |
|---|
| 547 | IF ( use_single_reference_value ) THEN |
|---|
| 548 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
|---|
| 549 | SQRT( g / var_reference * dvar_dz ) + 1E-5_wp |
|---|
| 550 | ELSE |
|---|
| 551 | l_stable = 0.76_wp * SQRT( e(k,j,i) ) / & |
|---|
| 552 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5_wp |
|---|
| 553 | ENDIF |
|---|
| 554 | ELSE |
|---|
| 555 | l_stable = l_grid(k) |
|---|
| 556 | ENDIF |
|---|
| 557 | ! |
|---|
| 558 | !-- Adjustment of the mixing length |
|---|
| 559 | IF ( wall_adjustment ) THEN |
|---|
| 560 | l(k) = MIN( wall_adjustment_factor * & |
|---|
| 561 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k), & |
|---|
| 562 | l_stable ) |
|---|
| 563 | ll(k) = MIN( wall_adjustment_factor * & |
|---|
| 564 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k) ) |
|---|
| 565 | ELSE |
|---|
| 566 | l(k) = MIN( l_grid(k), l_stable ) |
|---|
| 567 | ll(k) = l_grid(k) |
|---|
| 568 | ENDIF |
|---|
| 569 | ! |
|---|
| 570 | !-- Calculate the tendency term |
|---|
| 571 | dissipation(k) = ( 0.19_wp + 0.74_wp * l(k) / ll(k) ) * e(k,j,i) * & |
|---|
| 572 | SQRT( e(k,j,i) ) / l(k) |
|---|
| 573 | |
|---|
| 574 | tend(k,j,i) = tend(k,j,i) & |
|---|
| 575 | + ( & |
|---|
| 576 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
|---|
| 577 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
|---|
| 578 | ) * ddx2 & |
|---|
| 579 | + ( & |
|---|
| 580 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
|---|
| 581 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
|---|
| 582 | ) * ddy2 & |
|---|
| 583 | + ( & |
|---|
| 584 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
|---|
| 585 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
|---|
| 586 | ) * ddzw(k) & |
|---|
| 587 | - dissipation(k) |
|---|
| 588 | |
|---|
| 589 | ENDDO |
|---|
| 590 | |
|---|
| 591 | ! |
|---|
| 592 | !-- Store dissipation if needed for calculating the sgs particle velocities |
|---|
| 593 | IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence ) THEN |
|---|
| 594 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 595 | diss(k,j,i) = dissipation(k) |
|---|
| 596 | ENDDO |
|---|
| 597 | ! |
|---|
| 598 | !-- Boundary condition for dissipation |
|---|
| 599 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
|---|
| 600 | ENDIF |
|---|
| 601 | |
|---|
| 602 | END SUBROUTINE diffusion_e_ij |
|---|
| 603 | |
|---|
| 604 | END MODULE diffusion_e_mod |
|---|
