[1] | 1 | MODULE diffusion_e_mod |
---|
| 2 | |
---|
[1036] | 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 1997-2012 Leibniz University Hannover |
---|
| 18 | !--------------------------------------------------------------------------------! |
---|
| 19 | ! |
---|
[484] | 20 | ! Current revisions: |
---|
[1] | 21 | ! ----------------- |
---|
[98] | 22 | ! |
---|
[1017] | 23 | ! |
---|
[98] | 24 | ! Former revisions: |
---|
| 25 | ! ----------------- |
---|
| 26 | ! $Id: diffusion_e.f90 1036 2012-10-22 13:43:42Z raasch $ |
---|
| 27 | ! |
---|
[1017] | 28 | ! 1015 2012-09-27 09:23:24Z raasch |
---|
| 29 | ! accelerator version (*_acc) added, |
---|
| 30 | ! adjustment of mixing length to the Prandtl mixing length at first grid point |
---|
| 31 | ! above ground removed |
---|
| 32 | ! |
---|
[1011] | 33 | ! 1010 2012-09-20 07:59:54Z raasch |
---|
| 34 | ! cpp switch __nopointer added for pointer free version |
---|
| 35 | ! |
---|
[1002] | 36 | ! 1001 2012-09-13 14:08:46Z raasch |
---|
| 37 | ! most arrays comunicated by module instead of parameter list |
---|
| 38 | ! |
---|
[826] | 39 | ! 825 2012-02-19 03:03:44Z raasch |
---|
| 40 | ! wang_collision_kernel renamed wang_kernel |
---|
| 41 | ! |
---|
[791] | 42 | ! 790 2011-11-29 03:11:20Z raasch |
---|
| 43 | ! diss is also calculated in case that the Wang kernel is used |
---|
| 44 | ! |
---|
[668] | 45 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
---|
| 46 | ! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng |
---|
| 47 | ! |
---|
[98] | 48 | ! 97 2007-06-21 08:23:15Z raasch |
---|
[94] | 49 | ! Adjustment of mixing length calculation for the ocean version. zw added to |
---|
| 50 | ! argument list. |
---|
| 51 | ! This is also a bugfix, because the height above the topography is now |
---|
| 52 | ! used instead of the height above level k=0. |
---|
[97] | 53 | ! theta renamed var, dpt_dz renamed dvar_dz, +new argument var_reference |
---|
| 54 | ! use_pt_reference renamed use_reference |
---|
[1] | 55 | ! |
---|
[77] | 56 | ! 65 2007-03-13 12:11:43Z raasch |
---|
| 57 | ! Reference temperature pt_reference can be used in buoyancy term |
---|
| 58 | ! |
---|
[39] | 59 | ! 20 2007-02-26 00:12:32Z raasch |
---|
| 60 | ! Bugfix: ddzw dimensioned 1:nzt"+1" |
---|
| 61 | ! Calculation extended for gridpoint nzt |
---|
| 62 | ! |
---|
[3] | 63 | ! RCS Log replace by Id keyword, revision history cleaned up |
---|
| 64 | ! |
---|
[1] | 65 | ! Revision 1.18 2006/08/04 14:29:43 raasch |
---|
| 66 | ! dissipation is stored in extra array diss if needed later on for calculating |
---|
| 67 | ! the sgs particle velocities |
---|
| 68 | ! |
---|
| 69 | ! Revision 1.1 1997/09/19 07:40:24 raasch |
---|
| 70 | ! Initial revision |
---|
| 71 | ! |
---|
| 72 | ! |
---|
| 73 | ! Description: |
---|
| 74 | ! ------------ |
---|
| 75 | ! Diffusion- and dissipation terms for the TKE |
---|
| 76 | !------------------------------------------------------------------------------! |
---|
| 77 | |
---|
| 78 | PRIVATE |
---|
[1015] | 79 | PUBLIC diffusion_e, diffusion_e_acc |
---|
[1] | 80 | |
---|
| 81 | |
---|
| 82 | INTERFACE diffusion_e |
---|
| 83 | MODULE PROCEDURE diffusion_e |
---|
| 84 | MODULE PROCEDURE diffusion_e_ij |
---|
| 85 | END INTERFACE diffusion_e |
---|
| 86 | |
---|
[1015] | 87 | INTERFACE diffusion_e_acc |
---|
| 88 | MODULE PROCEDURE diffusion_e_acc |
---|
| 89 | END INTERFACE diffusion_e_acc |
---|
| 90 | |
---|
[1] | 91 | CONTAINS |
---|
| 92 | |
---|
| 93 | |
---|
| 94 | !------------------------------------------------------------------------------! |
---|
| 95 | ! Call for all grid points |
---|
| 96 | !------------------------------------------------------------------------------! |
---|
[1001] | 97 | SUBROUTINE diffusion_e( var, var_reference ) |
---|
[1] | 98 | |
---|
[1001] | 99 | USE arrays_3d |
---|
[1] | 100 | USE control_parameters |
---|
| 101 | USE grid_variables |
---|
| 102 | USE indices |
---|
| 103 | USE particle_attributes |
---|
| 104 | |
---|
| 105 | IMPLICIT NONE |
---|
| 106 | |
---|
| 107 | INTEGER :: i, j, k |
---|
[1015] | 108 | REAL :: dvar_dz, l_stable, var_reference |
---|
[1001] | 109 | |
---|
[1010] | 110 | #if defined( __nopointer ) |
---|
| 111 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
---|
| 112 | #else |
---|
[1001] | 113 | REAL, DIMENSION(:,:,:), POINTER :: var |
---|
[1010] | 114 | #endif |
---|
[19] | 115 | REAL, DIMENSION(nzb+1:nzt,nys:nyn) :: dissipation, l, ll |
---|
[1] | 116 | |
---|
| 117 | |
---|
| 118 | ! |
---|
[65] | 119 | !-- This if clause must be outside the k-loop because otherwise |
---|
| 120 | !-- runtime errors occur with -C hopt on NEC |
---|
[97] | 121 | IF ( use_reference ) THEN |
---|
[65] | 122 | |
---|
| 123 | DO i = nxl, nxr |
---|
| 124 | DO j = nys, nyn |
---|
| 125 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[1] | 126 | ! |
---|
[65] | 127 | !-- Calculate the mixing length (for dissipation) |
---|
[97] | 128 | dvar_dz = atmos_ocean_sign * & |
---|
| 129 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
| 130 | IF ( dvar_dz > 0.0 ) THEN |
---|
[57] | 131 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
---|
[97] | 132 | SQRT( g / var_reference * dvar_dz ) + 1E-5 |
---|
[57] | 133 | ELSE |
---|
[65] | 134 | l_stable = l_grid(k) |
---|
[57] | 135 | ENDIF |
---|
[1] | 136 | ! |
---|
[65] | 137 | !-- Adjustment of the mixing length |
---|
| 138 | IF ( wall_adjustment ) THEN |
---|
[94] | 139 | l(k,j) = MIN( wall_adjustment_factor * & |
---|
| 140 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 141 | l_grid(k), l_stable ) |
---|
| 142 | ll(k,j) = MIN( wall_adjustment_factor * & |
---|
| 143 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 144 | l_grid(k) ) |
---|
[65] | 145 | ELSE |
---|
| 146 | l(k,j) = MIN( l_grid(k), l_stable ) |
---|
| 147 | ll(k,j) = l_grid(k) |
---|
| 148 | ENDIF |
---|
[1] | 149 | |
---|
[65] | 150 | ENDDO |
---|
[1] | 151 | ENDDO |
---|
[65] | 152 | |
---|
[1] | 153 | ! |
---|
[65] | 154 | !-- Calculate the tendency terms |
---|
| 155 | DO j = nys, nyn |
---|
| 156 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[1] | 157 | |
---|
[65] | 158 | dissipation(k,j) = ( 0.19 + 0.74 * l(k,j) / ll(k,j) ) * & |
---|
| 159 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
---|
[1] | 160 | |
---|
[65] | 161 | tend(k,j,i) = tend(k,j,i) & |
---|
[1] | 162 | + ( & |
---|
| 163 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 164 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 165 | ) * ddx2 & |
---|
| 166 | + ( & |
---|
| 167 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 168 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 169 | ) * ddy2 & |
---|
| 170 | + ( & |
---|
| 171 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
| 172 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
| 173 | ) * ddzw(k) & |
---|
| 174 | - dissipation(k,j) |
---|
| 175 | |
---|
[65] | 176 | ENDDO |
---|
[1] | 177 | ENDDO |
---|
[65] | 178 | |
---|
| 179 | ! |
---|
| 180 | !-- Store dissipation if needed for calculating the sgs particle |
---|
| 181 | !-- velocities |
---|
[825] | 182 | IF ( use_sgs_for_particles .OR. wang_kernel ) THEN |
---|
[65] | 183 | DO j = nys, nyn |
---|
| 184 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
| 185 | diss(k,j,i) = dissipation(k,j) |
---|
| 186 | ENDDO |
---|
| 187 | ENDDO |
---|
| 188 | ENDIF |
---|
| 189 | |
---|
[1] | 190 | ENDDO |
---|
| 191 | |
---|
[65] | 192 | ELSE |
---|
| 193 | |
---|
| 194 | DO i = nxl, nxr |
---|
| 195 | DO j = nys, nyn |
---|
| 196 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
| 197 | ! |
---|
| 198 | !-- Calculate the mixing length (for dissipation) |
---|
[97] | 199 | dvar_dz = atmos_ocean_sign * & |
---|
| 200 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
| 201 | IF ( dvar_dz > 0.0 ) THEN |
---|
[65] | 202 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
---|
[97] | 203 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
---|
[65] | 204 | ELSE |
---|
| 205 | l_stable = l_grid(k) |
---|
| 206 | ENDIF |
---|
| 207 | ! |
---|
| 208 | !-- Adjustment of the mixing length |
---|
| 209 | IF ( wall_adjustment ) THEN |
---|
[94] | 210 | l(k,j) = MIN( wall_adjustment_factor * & |
---|
| 211 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 212 | l_grid(k), l_stable ) |
---|
| 213 | ll(k,j) = MIN( wall_adjustment_factor * & |
---|
| 214 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 215 | l_grid(k) ) |
---|
[65] | 216 | ELSE |
---|
| 217 | l(k,j) = MIN( l_grid(k), l_stable ) |
---|
| 218 | ll(k,j) = l_grid(k) |
---|
| 219 | ENDIF |
---|
| 220 | |
---|
| 221 | ENDDO |
---|
| 222 | ENDDO |
---|
| 223 | |
---|
| 224 | ! |
---|
| 225 | !-- Calculate the tendency terms |
---|
[1] | 226 | DO j = nys, nyn |
---|
[19] | 227 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[65] | 228 | |
---|
| 229 | dissipation(k,j) = ( 0.19 + 0.74 * l(k,j) / ll(k,j) ) * & |
---|
| 230 | e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
---|
| 231 | |
---|
| 232 | tend(k,j,i) = tend(k,j,i) & |
---|
| 233 | + ( & |
---|
| 234 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 235 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 236 | ) * ddx2 & |
---|
| 237 | + ( & |
---|
| 238 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 239 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 240 | ) * ddy2 & |
---|
| 241 | + ( & |
---|
| 242 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
| 243 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
| 244 | ) * ddzw(k) & |
---|
| 245 | - dissipation(k,j) |
---|
| 246 | |
---|
[1] | 247 | ENDDO |
---|
| 248 | ENDDO |
---|
| 249 | |
---|
[65] | 250 | ! |
---|
| 251 | !-- Store dissipation if needed for calculating the sgs particle |
---|
| 252 | !-- velocities |
---|
[825] | 253 | IF ( use_sgs_for_particles .OR. wang_kernel ) THEN |
---|
[65] | 254 | DO j = nys, nyn |
---|
| 255 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
| 256 | diss(k,j,i) = dissipation(k,j) |
---|
| 257 | ENDDO |
---|
| 258 | ENDDO |
---|
| 259 | ENDIF |
---|
[1] | 260 | |
---|
[65] | 261 | ENDDO |
---|
| 262 | |
---|
| 263 | ENDIF |
---|
| 264 | |
---|
[1] | 265 | ! |
---|
| 266 | !-- Boundary condition for dissipation |
---|
[825] | 267 | IF ( use_sgs_for_particles .OR. wang_kernel ) THEN |
---|
[1] | 268 | DO i = nxl, nxr |
---|
| 269 | DO j = nys, nyn |
---|
| 270 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
---|
| 271 | ENDDO |
---|
| 272 | ENDDO |
---|
| 273 | ENDIF |
---|
| 274 | |
---|
| 275 | END SUBROUTINE diffusion_e |
---|
| 276 | |
---|
| 277 | |
---|
| 278 | !------------------------------------------------------------------------------! |
---|
[1015] | 279 | ! Call for all grid points - accelerator version |
---|
| 280 | !------------------------------------------------------------------------------! |
---|
| 281 | SUBROUTINE diffusion_e_acc( var, var_reference ) |
---|
| 282 | |
---|
| 283 | USE arrays_3d |
---|
| 284 | USE control_parameters |
---|
| 285 | USE grid_variables |
---|
| 286 | USE indices |
---|
| 287 | USE particle_attributes |
---|
| 288 | |
---|
| 289 | IMPLICIT NONE |
---|
| 290 | |
---|
| 291 | INTEGER :: i, j, k |
---|
| 292 | REAL :: dissipation, dvar_dz, l, ll, l_stable, var_reference |
---|
| 293 | |
---|
| 294 | #if defined( __nopointer ) |
---|
| 295 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
---|
| 296 | #else |
---|
| 297 | REAL, DIMENSION(:,:,:), POINTER :: var |
---|
| 298 | #endif |
---|
| 299 | |
---|
| 300 | |
---|
| 301 | ! |
---|
| 302 | !-- This if clause must be outside the k-loop because otherwise |
---|
| 303 | !-- runtime errors occur with -C hopt on NEC |
---|
| 304 | IF ( use_reference ) THEN |
---|
| 305 | STOP '+++ use_reference in diffusion_e not implemented' |
---|
| 306 | ! DO i = nxl, nxr |
---|
| 307 | ! DO j = nys, nyn |
---|
| 308 | ! DO k = nzb_s_inner(j,i)+1, nzt |
---|
| 309 | ! |
---|
| 310 | !-- Calculate the mixing length (for dissipation) |
---|
| 311 | ! dvar_dz = atmos_ocean_sign * & |
---|
| 312 | ! ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
| 313 | ! IF ( dvar_dz > 0.0 ) THEN |
---|
| 314 | ! l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
---|
| 315 | ! SQRT( g / var_reference * dvar_dz ) + 1E-5 |
---|
| 316 | ! ELSE |
---|
| 317 | ! l_stable = l_grid(k) |
---|
| 318 | ! ENDIF |
---|
| 319 | ! |
---|
| 320 | !-- Adjustment of the mixing length |
---|
| 321 | ! IF ( wall_adjustment ) THEN |
---|
| 322 | ! l(k,j) = MIN( wall_adjustment_factor * & |
---|
| 323 | ! ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 324 | ! l_grid(k), l_stable ) |
---|
| 325 | ! ll(k,j) = MIN( wall_adjustment_factor * & |
---|
| 326 | ! ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 327 | ! l_grid(k) ) |
---|
| 328 | ! ELSE |
---|
| 329 | ! l(k,j) = MIN( l_grid(k), l_stable ) |
---|
| 330 | ! ll(k,j) = l_grid(k) |
---|
| 331 | ! ENDIF |
---|
| 332 | ! |
---|
| 333 | ! ENDDO |
---|
| 334 | ! ENDDO |
---|
| 335 | ! |
---|
| 336 | ! |
---|
| 337 | !-- Calculate the tendency terms |
---|
| 338 | ! DO j = nys, nyn |
---|
| 339 | ! DO k = nzb_s_inner(j,i)+1, nzt |
---|
| 340 | ! |
---|
| 341 | ! dissipation(k,j) = ( 0.19 + 0.74 * l(k,j) / ll(k,j) ) * & |
---|
| 342 | ! e(k,j,i) * SQRT( e(k,j,i) ) / l(k,j) |
---|
| 343 | ! |
---|
| 344 | ! tend(k,j,i) = tend(k,j,i) & |
---|
| 345 | ! + ( & |
---|
| 346 | ! ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 347 | ! - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 348 | ! ) * ddx2 & |
---|
| 349 | ! + ( & |
---|
| 350 | ! ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 351 | ! - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 352 | ! ) * ddy2 & |
---|
| 353 | ! + ( & |
---|
| 354 | ! ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
| 355 | ! - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
| 356 | ! ) * ddzw(k) & |
---|
| 357 | ! - dissipation(k,j) |
---|
| 358 | ! |
---|
| 359 | ! ENDDO |
---|
| 360 | ! ENDDO |
---|
| 361 | ! |
---|
| 362 | ! |
---|
| 363 | !-- Store dissipation if needed for calculating the sgs particle |
---|
| 364 | !-- velocities |
---|
| 365 | ! IF ( use_sgs_for_particles .OR. wang_kernel ) THEN |
---|
| 366 | ! DO j = nys, nyn |
---|
| 367 | ! DO k = nzb_s_inner(j,i)+1, nzt |
---|
| 368 | ! diss(k,j,i) = dissipation(k,j) |
---|
| 369 | ! ENDDO |
---|
| 370 | ! ENDDO |
---|
| 371 | ! ENDIF |
---|
| 372 | ! |
---|
| 373 | ! ENDDO |
---|
| 374 | ! |
---|
| 375 | ELSE |
---|
| 376 | |
---|
| 377 | !$acc kernels present( ddzu, ddzw, dd2zu, diss, e, km, l_grid ) & |
---|
| 378 | !$acc present( nzb_s_inner, rif, tend, var, zu, zw ) |
---|
| 379 | !$acc loop |
---|
| 380 | DO i = nxl, nxr |
---|
| 381 | DO j = nys, nyn |
---|
| 382 | !$acc loop vector( 32 ) |
---|
| 383 | DO k = 1, nzt |
---|
| 384 | |
---|
| 385 | IF ( k > nzb_s_inner(j,i) ) THEN |
---|
| 386 | ! |
---|
| 387 | !-- Calculate the mixing length (for dissipation) |
---|
| 388 | dvar_dz = atmos_ocean_sign * & |
---|
| 389 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
| 390 | IF ( dvar_dz > 0.0 ) THEN |
---|
| 391 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
---|
| 392 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
---|
| 393 | ELSE |
---|
| 394 | l_stable = l_grid(k) |
---|
| 395 | ENDIF |
---|
| 396 | ! |
---|
| 397 | !-- Adjustment of the mixing length |
---|
| 398 | IF ( wall_adjustment ) THEN |
---|
| 399 | l = MIN( wall_adjustment_factor * & |
---|
| 400 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 401 | l_grid(k), l_stable ) |
---|
| 402 | ll = MIN( wall_adjustment_factor * & |
---|
| 403 | ( zu(k) - zw(nzb_s_inner(j,i)) ), & |
---|
| 404 | l_grid(k) ) |
---|
| 405 | ELSE |
---|
| 406 | l = MIN( l_grid(k), l_stable ) |
---|
| 407 | ll = l_grid(k) |
---|
| 408 | ENDIF |
---|
| 409 | ! |
---|
| 410 | !-- Calculate the tendency terms |
---|
| 411 | dissipation = ( 0.19 + 0.74 * l / ll ) * & |
---|
| 412 | e(k,j,i) * SQRT( e(k,j,i) ) / l |
---|
| 413 | |
---|
| 414 | tend(k,j,i) = tend(k,j,i) & |
---|
| 415 | + ( & |
---|
| 416 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 417 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 418 | ) * ddx2 & |
---|
| 419 | + ( & |
---|
| 420 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 421 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 422 | ) * ddy2 & |
---|
| 423 | + ( & |
---|
| 424 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
| 425 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
| 426 | ) * ddzw(k) & |
---|
| 427 | - dissipation |
---|
| 428 | |
---|
| 429 | ! |
---|
| 430 | !-- Store dissipation if needed for calculating the sgs |
---|
| 431 | !-- particle velocities |
---|
| 432 | IF ( use_sgs_for_particles .OR. wang_kernel ) THEN |
---|
| 433 | diss(k,j,i) = dissipation |
---|
| 434 | ENDIF |
---|
| 435 | |
---|
| 436 | ENDIF |
---|
| 437 | |
---|
| 438 | ENDDO |
---|
| 439 | ENDDO |
---|
| 440 | ENDDO |
---|
| 441 | !$acc end kernels |
---|
| 442 | |
---|
| 443 | ENDIF |
---|
| 444 | |
---|
| 445 | ! |
---|
| 446 | !-- Boundary condition for dissipation |
---|
| 447 | IF ( use_sgs_for_particles .OR. wang_kernel ) THEN |
---|
| 448 | !$acc kernels present( diss, nzb_s_inner ) |
---|
| 449 | !$acc loop |
---|
| 450 | DO i = nxl, nxr |
---|
| 451 | !$acc loop vector( 32 ) |
---|
| 452 | DO j = nys, nyn |
---|
| 453 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
---|
| 454 | ENDDO |
---|
| 455 | ENDDO |
---|
| 456 | !$acc end kernels |
---|
| 457 | ENDIF |
---|
| 458 | |
---|
| 459 | END SUBROUTINE diffusion_e_acc |
---|
| 460 | |
---|
| 461 | |
---|
| 462 | !------------------------------------------------------------------------------! |
---|
[1] | 463 | ! Call for grid point i,j |
---|
| 464 | !------------------------------------------------------------------------------! |
---|
[1001] | 465 | SUBROUTINE diffusion_e_ij( i, j, var, var_reference ) |
---|
[1] | 466 | |
---|
[1001] | 467 | USE arrays_3d |
---|
[1] | 468 | USE control_parameters |
---|
| 469 | USE grid_variables |
---|
| 470 | USE indices |
---|
| 471 | USE particle_attributes |
---|
| 472 | |
---|
| 473 | IMPLICIT NONE |
---|
| 474 | |
---|
[1001] | 475 | INTEGER :: i, j, k |
---|
[1015] | 476 | REAL :: dvar_dz, l_stable, var_reference |
---|
[1] | 477 | |
---|
[1010] | 478 | #if defined( __nopointer ) |
---|
| 479 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
---|
| 480 | #else |
---|
[1001] | 481 | REAL, DIMENSION(:,:,:), POINTER :: var |
---|
[1010] | 482 | #endif |
---|
[1001] | 483 | REAL, DIMENSION(nzb+1:nzt) :: dissipation, l, ll |
---|
[1] | 484 | |
---|
[1001] | 485 | |
---|
[1] | 486 | ! |
---|
| 487 | !-- Calculate the mixing length (for dissipation) |
---|
[19] | 488 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[97] | 489 | dvar_dz = atmos_ocean_sign * & |
---|
| 490 | ( var(k+1,j,i) - var(k-1,j,i) ) * dd2zu(k) |
---|
| 491 | IF ( dvar_dz > 0.0 ) THEN |
---|
| 492 | IF ( use_reference ) THEN |
---|
[57] | 493 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
---|
[97] | 494 | SQRT( g / var_reference * dvar_dz ) + 1E-5 |
---|
[57] | 495 | ELSE |
---|
| 496 | l_stable = 0.76 * SQRT( e(k,j,i) ) / & |
---|
[97] | 497 | SQRT( g / var(k,j,i) * dvar_dz ) + 1E-5 |
---|
[57] | 498 | ENDIF |
---|
[1] | 499 | ELSE |
---|
| 500 | l_stable = l_grid(k) |
---|
| 501 | ENDIF |
---|
| 502 | ! |
---|
| 503 | !-- Adjustment of the mixing length |
---|
| 504 | IF ( wall_adjustment ) THEN |
---|
[94] | 505 | l(k) = MIN( wall_adjustment_factor * & |
---|
| 506 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k), & |
---|
| 507 | l_stable ) |
---|
| 508 | ll(k) = MIN( wall_adjustment_factor * & |
---|
| 509 | ( zu(k) - zw(nzb_s_inner(j,i)) ), l_grid(k) ) |
---|
[1] | 510 | ELSE |
---|
| 511 | l(k) = MIN( l_grid(k), l_stable ) |
---|
| 512 | ll(k) = l_grid(k) |
---|
| 513 | ENDIF |
---|
| 514 | ! |
---|
| 515 | !-- Calculate the tendency term |
---|
| 516 | dissipation(k) = ( 0.19 + 0.74 * l(k) / ll(k) ) * e(k,j,i) * & |
---|
| 517 | SQRT( e(k,j,i) ) / l(k) |
---|
| 518 | |
---|
| 519 | tend(k,j,i) = tend(k,j,i) & |
---|
| 520 | + ( & |
---|
| 521 | ( km(k,j,i)+km(k,j,i+1) ) * ( e(k,j,i+1)-e(k,j,i) ) & |
---|
| 522 | - ( km(k,j,i)+km(k,j,i-1) ) * ( e(k,j,i)-e(k,j,i-1) ) & |
---|
| 523 | ) * ddx2 & |
---|
| 524 | + ( & |
---|
| 525 | ( km(k,j,i)+km(k,j+1,i) ) * ( e(k,j+1,i)-e(k,j,i) ) & |
---|
| 526 | - ( km(k,j,i)+km(k,j-1,i) ) * ( e(k,j,i)-e(k,j-1,i) ) & |
---|
| 527 | ) * ddy2 & |
---|
| 528 | + ( & |
---|
| 529 | ( km(k,j,i)+km(k+1,j,i) ) * ( e(k+1,j,i)-e(k,j,i) ) * ddzu(k+1) & |
---|
| 530 | - ( km(k,j,i)+km(k-1,j,i) ) * ( e(k,j,i)-e(k-1,j,i) ) * ddzu(k) & |
---|
| 531 | ) * ddzw(k) & |
---|
| 532 | - dissipation(k) |
---|
| 533 | |
---|
| 534 | ENDDO |
---|
| 535 | |
---|
| 536 | ! |
---|
| 537 | !-- Store dissipation if needed for calculating the sgs particle velocities |
---|
[825] | 538 | IF ( use_sgs_for_particles .OR. wang_kernel ) THEN |
---|
[19] | 539 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
[1] | 540 | diss(k,j,i) = dissipation(k) |
---|
| 541 | ENDDO |
---|
| 542 | ! |
---|
| 543 | !-- Boundary condition for dissipation |
---|
| 544 | diss(nzb_s_inner(j,i),j,i) = diss(nzb_s_inner(j,i)+1,j,i) |
---|
| 545 | ENDIF |
---|
| 546 | |
---|
| 547 | END SUBROUTINE diffusion_e_ij |
---|
| 548 | |
---|
| 549 | END MODULE diffusion_e_mod |
---|