[1682] | 1 | !> @file lpm_init_sgs_tke.f90 |
---|
[2000] | 2 | !------------------------------------------------------------------------------! |
---|
[2696] | 3 | ! This file is part of the PALM model system. |
---|
[1036] | 4 | ! |
---|
[2000] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
---|
| 6 | ! terms of the GNU General Public License as published by the Free Software |
---|
| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
---|
| 8 | ! version. |
---|
[1036] | 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 | ! |
---|
[3655] | 17 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
---|
[2000] | 18 | !------------------------------------------------------------------------------! |
---|
[1036] | 19 | ! |
---|
[849] | 20 | ! Current revisions: |
---|
| 21 | ! ------------------ |
---|
[1360] | 22 | ! |
---|
[2233] | 23 | ! |
---|
[1321] | 24 | ! Former revisions: |
---|
| 25 | ! ----------------- |
---|
| 26 | ! $Id: lpm_init_sgs_tke.f90 3981 2019-05-15 14:43:01Z suehring $ |
---|
[3981] | 27 | ! Bugfix in particle nesting, set boundary conditions at non-cyclic boundaries |
---|
| 28 | ! |
---|
| 29 | ! 3655 2019-01-07 16:51:22Z knoop |
---|
[3241] | 30 | ! unused variables removed |
---|
| 31 | ! |
---|
| 32 | ! 2718 2018-01-02 08:49:38Z maronga |
---|
[2716] | 33 | ! Corrected "Former revisions" section |
---|
| 34 | ! |
---|
| 35 | ! 2696 2017-12-14 17:12:51Z kanani |
---|
| 36 | ! Change in file header (GPL part) |
---|
[1321] | 37 | ! |
---|
[2716] | 38 | ! 2233 2017-05-30 18:08:54Z suehring |
---|
| 39 | ! |
---|
[2233] | 40 | ! 2232 2017-05-30 17:47:52Z suehring |
---|
| 41 | ! Adjustments according to new topography realization |
---|
| 42 | ! |
---|
[2001] | 43 | ! 2000 2016-08-20 18:09:15Z knoop |
---|
| 44 | ! Forced header and separation lines into 80 columns |
---|
| 45 | ! |
---|
[1930] | 46 | ! 1929 2016-06-09 16:25:25Z suehring |
---|
| 47 | ! sgs_wfu_par, sgs_wfv_par and sgs_wfw_par are replaced by sgs_wf_par |
---|
| 48 | ! |
---|
[1823] | 49 | ! 1822 2016-04-07 07:49:42Z hoffmann |
---|
| 50 | ! Unused variables removed. |
---|
| 51 | ! |
---|
[1683] | 52 | ! 1682 2015-10-07 23:56:08Z knoop |
---|
| 53 | ! Code annotations made doxygen readable |
---|
| 54 | ! |
---|
[1360] | 55 | ! 1359 2014-04-11 17:15:14Z hoffmann |
---|
| 56 | ! New particle structure integrated. |
---|
| 57 | ! Kind definition added to all floating point numbers. |
---|
| 58 | ! |
---|
[1321] | 59 | ! 1320 2014-03-20 08:40:49Z raasch |
---|
[1320] | 60 | ! ONLY-attribute added to USE-statements, |
---|
| 61 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
---|
| 62 | ! kinds are defined in new module kinds, |
---|
| 63 | ! comment fields (!:) to be used for variable explanations added to |
---|
| 64 | ! all variable declaration statements |
---|
[849] | 65 | ! |
---|
[1037] | 66 | ! 1036 2012-10-22 13:43:42Z raasch |
---|
| 67 | ! code put under GPL (PALM 3.9) |
---|
| 68 | ! |
---|
[850] | 69 | ! 849 2012-03-15 10:35:09Z raasch |
---|
| 70 | ! initial revision (former part of advec_particles) |
---|
[849] | 71 | ! |
---|
[850] | 72 | ! |
---|
[849] | 73 | ! Description: |
---|
| 74 | ! ------------ |
---|
[1682] | 75 | !> Calculates quantities required for considering the SGS velocity fluctuations |
---|
| 76 | !> in the particle transport by a stochastic approach. The respective |
---|
| 77 | !> quantities are: SGS-TKE gradients and horizontally averaged profiles of the |
---|
| 78 | !> SGS TKE and the resolved-scale velocity variances. |
---|
[849] | 79 | !------------------------------------------------------------------------------! |
---|
[1682] | 80 | SUBROUTINE lpm_init_sgs_tke |
---|
| 81 | |
---|
[849] | 82 | |
---|
[1320] | 83 | USE arrays_3d, & |
---|
| 84 | ONLY: de_dx, de_dy, de_dz, diss, e, u, v, w, zu |
---|
| 85 | |
---|
[3981] | 86 | USE control_parameters, & |
---|
| 87 | ONLY: bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, bc_dirichlet_s |
---|
| 88 | |
---|
[1320] | 89 | USE grid_variables, & |
---|
| 90 | ONLY: ddx, ddy |
---|
| 91 | |
---|
| 92 | USE indices, & |
---|
[3241] | 93 | ONLY: nbgp, ngp_2dh_outer, nxl, nxr, nyn, nys, nzb, nzt, wall_flags_0 |
---|
[1320] | 94 | |
---|
| 95 | USE kinds |
---|
| 96 | |
---|
| 97 | USE particle_attributes, & |
---|
[1929] | 98 | ONLY: sgs_wf_part |
---|
[1320] | 99 | |
---|
[849] | 100 | USE pegrid |
---|
| 101 | |
---|
[1320] | 102 | USE statistics, & |
---|
| 103 | ONLY: flow_statistics_called, hom, sums, sums_l |
---|
| 104 | |
---|
[2232] | 105 | USE surface_mod, & |
---|
| 106 | ONLY: bc_h |
---|
| 107 | |
---|
[849] | 108 | IMPLICIT NONE |
---|
| 109 | |
---|
[2232] | 110 | INTEGER(iwp) :: i !< index variable along x |
---|
| 111 | INTEGER(iwp) :: j !< index variable along y |
---|
| 112 | INTEGER(iwp) :: k !< index variable along z |
---|
| 113 | INTEGER(iwp) :: m !< running index for the surface elements |
---|
[849] | 114 | |
---|
[2232] | 115 | REAL(wp) :: flag1 !< flag to mask topography |
---|
[849] | 116 | |
---|
| 117 | ! |
---|
| 118 | !-- TKE gradient along x and y |
---|
| 119 | DO i = nxl, nxr |
---|
| 120 | DO j = nys, nyn |
---|
| 121 | DO k = nzb, nzt+1 |
---|
| 122 | |
---|
[2232] | 123 | IF ( .NOT. BTEST( wall_flags_0(k,j,i-1), 0 ) .AND. & |
---|
| 124 | BTEST( wall_flags_0(k,j,i), 0 ) .AND. & |
---|
| 125 | BTEST( wall_flags_0(k,j,i+1), 0 ) ) & |
---|
[849] | 126 | THEN |
---|
[1929] | 127 | de_dx(k,j,i) = 2.0_wp * sgs_wf_part * & |
---|
[1359] | 128 | ( e(k,j,i+1) - e(k,j,i) ) * ddx |
---|
[2232] | 129 | ELSEIF ( BTEST( wall_flags_0(k,j,i-1), 0 ) .AND. & |
---|
| 130 | BTEST( wall_flags_0(k,j,i), 0 ) .AND. & |
---|
| 131 | .NOT. BTEST( wall_flags_0(k,j,i+1), 0 ) ) & |
---|
[849] | 132 | THEN |
---|
[1929] | 133 | de_dx(k,j,i) = 2.0_wp * sgs_wf_part * & |
---|
[1359] | 134 | ( e(k,j,i) - e(k,j,i-1) ) * ddx |
---|
[2232] | 135 | ELSEIF ( .NOT. BTEST( wall_flags_0(k,j,i), 22 ) .AND. & |
---|
| 136 | .NOT. BTEST( wall_flags_0(k,j,i+1), 22 ) ) & |
---|
[849] | 137 | THEN |
---|
[1359] | 138 | de_dx(k,j,i) = 0.0_wp |
---|
[2232] | 139 | ELSEIF ( .NOT. BTEST( wall_flags_0(k,j,i-1), 22 ) .AND. & |
---|
| 140 | .NOT. BTEST( wall_flags_0(k,j,i), 22 ) ) & |
---|
[849] | 141 | THEN |
---|
[1359] | 142 | de_dx(k,j,i) = 0.0_wp |
---|
[849] | 143 | ELSE |
---|
[1929] | 144 | de_dx(k,j,i) = sgs_wf_part * ( e(k,j,i+1) - e(k,j,i-1) ) * ddx |
---|
[849] | 145 | ENDIF |
---|
| 146 | |
---|
[2232] | 147 | IF ( .NOT. BTEST( wall_flags_0(k,j-1,i), 0 ) .AND. & |
---|
| 148 | BTEST( wall_flags_0(k,j,i), 0 ) .AND. & |
---|
| 149 | BTEST( wall_flags_0(k,j+1,i), 0 ) ) & |
---|
[849] | 150 | THEN |
---|
[1929] | 151 | de_dy(k,j,i) = 2.0_wp * sgs_wf_part * & |
---|
[1359] | 152 | ( e(k,j+1,i) - e(k,j,i) ) * ddy |
---|
[2232] | 153 | ELSEIF ( BTEST( wall_flags_0(k,j-1,i), 0 ) .AND. & |
---|
| 154 | BTEST( wall_flags_0(k,j,i), 0 ) .AND. & |
---|
| 155 | .NOT. BTEST( wall_flags_0(k,j+1,i), 0 ) ) & |
---|
[849] | 156 | THEN |
---|
[1929] | 157 | de_dy(k,j,i) = 2.0_wp * sgs_wf_part * & |
---|
[1359] | 158 | ( e(k,j,i) - e(k,j-1,i) ) * ddy |
---|
[2232] | 159 | ELSEIF ( .NOT. BTEST( wall_flags_0(k,j,i), 22 ) .AND. & |
---|
| 160 | .NOT. BTEST( wall_flags_0(k,j+1,i), 22 ) ) & |
---|
[849] | 161 | THEN |
---|
[1359] | 162 | de_dy(k,j,i) = 0.0_wp |
---|
[2232] | 163 | ELSEIF ( .NOT. BTEST( wall_flags_0(k,j-1,i), 22 ) .AND. & |
---|
| 164 | .NOT. BTEST( wall_flags_0(k,j,i), 22 ) ) & |
---|
[849] | 165 | THEN |
---|
[1359] | 166 | de_dy(k,j,i) = 0.0_wp |
---|
[849] | 167 | ELSE |
---|
[1929] | 168 | de_dy(k,j,i) = sgs_wf_part * ( e(k,j+1,i) - e(k,j-1,i) ) * ddy |
---|
[849] | 169 | ENDIF |
---|
| 170 | |
---|
| 171 | ENDDO |
---|
| 172 | ENDDO |
---|
| 173 | ENDDO |
---|
| 174 | |
---|
| 175 | ! |
---|
[2232] | 176 | !-- TKE gradient along z at topograhy and including bottom and top boundary conditions |
---|
[849] | 177 | DO i = nxl, nxr |
---|
| 178 | DO j = nys, nyn |
---|
[2232] | 179 | DO k = nzb+1, nzt-1 |
---|
| 180 | ! |
---|
| 181 | !-- Flag to mask topography |
---|
| 182 | flag1 = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
[849] | 183 | |
---|
[2232] | 184 | de_dz(k,j,i) = 2.0_wp * sgs_wf_part * & |
---|
| 185 | ( e(k+1,j,i) - e(k-1,j,i) ) / ( zu(k+1) - zu(k-1) ) & |
---|
| 186 | * flag1 |
---|
[849] | 187 | ENDDO |
---|
[2232] | 188 | ! |
---|
| 189 | !-- upward-facing surfaces |
---|
| 190 | DO m = bc_h(0)%start_index(j,i), bc_h(0)%end_index(j,i) |
---|
| 191 | k = bc_h(0)%k(m) |
---|
| 192 | de_dz(k,j,i) = 2.0_wp * sgs_wf_part * & |
---|
| 193 | ( e(k+1,j,i) - e(k,j,i) ) / ( zu(k+1) - zu(k) ) |
---|
| 194 | ENDDO |
---|
| 195 | ! |
---|
| 196 | !-- downward-facing surfaces |
---|
| 197 | DO m = bc_h(1)%start_index(j,i), bc_h(1)%end_index(j,i) |
---|
| 198 | k = bc_h(1)%k(m) |
---|
| 199 | de_dz(k,j,i) = 2.0_wp * sgs_wf_part * & |
---|
| 200 | ( e(k,j,i) - e(k-1,j,i) ) / ( zu(k) - zu(k-1) ) |
---|
| 201 | ENDDO |
---|
[849] | 202 | |
---|
[2232] | 203 | de_dz(nzb,j,i) = 0.0_wp |
---|
[1359] | 204 | de_dz(nzt,j,i) = 0.0_wp |
---|
| 205 | de_dz(nzt+1,j,i) = 0.0_wp |
---|
[849] | 206 | ENDDO |
---|
| 207 | ENDDO |
---|
| 208 | ! |
---|
[2232] | 209 | !-- Ghost point exchange |
---|
[849] | 210 | CALL exchange_horiz( de_dx, nbgp ) |
---|
| 211 | CALL exchange_horiz( de_dy, nbgp ) |
---|
| 212 | CALL exchange_horiz( de_dz, nbgp ) |
---|
| 213 | CALL exchange_horiz( diss, nbgp ) |
---|
| 214 | ! |
---|
[3981] | 215 | !-- Set boundary conditions at non-periodic boundaries. Note, at non-period |
---|
| 216 | !-- boundaries zero-gradient boundary conditions are set, so that the gradient |
---|
| 217 | !-- normal to the boundary is zero. |
---|
| 218 | IF ( bc_dirichlet_l ) THEN |
---|
| 219 | de_dx(:,:,-1) = 0.0_wp |
---|
| 220 | de_dy(:,:,-1) = de_dy(:,:,0) |
---|
| 221 | de_dz(:,:,-1) = de_dz(:,:,0) |
---|
| 222 | ENDIF |
---|
| 223 | IF ( bc_dirichlet_r ) THEN |
---|
| 224 | de_dx(:,:,nxr+1) = 0.0_wp |
---|
| 225 | de_dy(:,:,nxr+1) = de_dy(:,:,nxr) |
---|
| 226 | de_dz(:,:,nxr+1) = de_dz(:,:,nxr) |
---|
| 227 | ENDIF |
---|
| 228 | IF ( bc_dirichlet_n ) THEN |
---|
| 229 | de_dx(:,nyn+1,:) = de_dx(:,nyn,:) |
---|
| 230 | de_dy(:,nyn+1,:) = 0.0_wp |
---|
| 231 | de_dz(:,nyn+1,:) = de_dz(:,nyn,:) |
---|
| 232 | ENDIF |
---|
| 233 | IF ( bc_dirichlet_s ) THEN |
---|
| 234 | de_dx(:,nys-1,:) = de_dx(:,nys,:) |
---|
| 235 | de_dy(:,nys-1,:) = 0.0_wp |
---|
| 236 | de_dz(:,nys-1,:) = de_dz(:,nys,:) |
---|
| 237 | ENDIF |
---|
| 238 | ! |
---|
[849] | 239 | !-- Calculate the horizontally averaged profiles of SGS TKE and resolved |
---|
| 240 | !-- velocity variances (they may have been already calculated in routine |
---|
| 241 | !-- flow_statistics). |
---|
| 242 | IF ( .NOT. flow_statistics_called ) THEN |
---|
| 243 | |
---|
| 244 | ! |
---|
| 245 | !-- First calculate horizontally averaged profiles of the horizontal |
---|
| 246 | !-- velocities. |
---|
[1359] | 247 | sums_l(:,1,0) = 0.0_wp |
---|
| 248 | sums_l(:,2,0) = 0.0_wp |
---|
[849] | 249 | |
---|
| 250 | DO i = nxl, nxr |
---|
| 251 | DO j = nys, nyn |
---|
[2232] | 252 | DO k = nzb, nzt+1 |
---|
| 253 | ! |
---|
[3241] | 254 | !-- Flag indicating vicinity of wall |
---|
[2232] | 255 | flag1 = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 24 ) ) |
---|
| 256 | |
---|
| 257 | sums_l(k,1,0) = sums_l(k,1,0) + u(k,j,i) * flag1 |
---|
| 258 | sums_l(k,2,0) = sums_l(k,2,0) + v(k,j,i) * flag1 |
---|
[849] | 259 | ENDDO |
---|
| 260 | ENDDO |
---|
| 261 | ENDDO |
---|
| 262 | |
---|
| 263 | #if defined( __parallel ) |
---|
| 264 | ! |
---|
| 265 | !-- Compute total sum from local sums |
---|
| 266 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 267 | CALL MPI_ALLREDUCE( sums_l(nzb,1,0), sums(nzb,1), nzt+2-nzb, & |
---|
| 268 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
---|
| 269 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 270 | CALL MPI_ALLREDUCE( sums_l(nzb,2,0), sums(nzb,2), nzt+2-nzb, & |
---|
| 271 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
---|
| 272 | #else |
---|
| 273 | sums(:,1) = sums_l(:,1,0) |
---|
| 274 | sums(:,2) = sums_l(:,2,0) |
---|
| 275 | #endif |
---|
| 276 | |
---|
| 277 | ! |
---|
| 278 | !-- Final values are obtained by division by the total number of grid |
---|
| 279 | !-- points used for the summation. |
---|
| 280 | hom(:,1,1,0) = sums(:,1) / ngp_2dh_outer(:,0) ! u |
---|
| 281 | hom(:,1,2,0) = sums(:,2) / ngp_2dh_outer(:,0) ! v |
---|
| 282 | |
---|
| 283 | ! |
---|
| 284 | !-- Now calculate the profiles of SGS TKE and the resolved-scale |
---|
| 285 | !-- velocity variances |
---|
[1359] | 286 | sums_l(:,8,0) = 0.0_wp |
---|
| 287 | sums_l(:,30,0) = 0.0_wp |
---|
| 288 | sums_l(:,31,0) = 0.0_wp |
---|
| 289 | sums_l(:,32,0) = 0.0_wp |
---|
[849] | 290 | DO i = nxl, nxr |
---|
| 291 | DO j = nys, nyn |
---|
[2232] | 292 | DO k = nzb, nzt+1 |
---|
| 293 | ! |
---|
[3241] | 294 | !-- Flag indicating vicinity of wall |
---|
[2232] | 295 | flag1 = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 24 ) ) |
---|
| 296 | |
---|
| 297 | sums_l(k,8,0) = sums_l(k,8,0) + e(k,j,i) * flag1 |
---|
| 298 | sums_l(k,30,0) = sums_l(k,30,0) + ( u(k,j,i) - hom(k,1,1,0) )**2 * flag1 |
---|
| 299 | sums_l(k,31,0) = sums_l(k,31,0) + ( v(k,j,i) - hom(k,1,2,0) )**2 * flag1 |
---|
| 300 | sums_l(k,32,0) = sums_l(k,32,0) + w(k,j,i)**2 * flag1 |
---|
[849] | 301 | ENDDO |
---|
| 302 | ENDDO |
---|
| 303 | ENDDO |
---|
| 304 | |
---|
| 305 | #if defined( __parallel ) |
---|
| 306 | ! |
---|
| 307 | !-- Compute total sum from local sums |
---|
| 308 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 309 | CALL MPI_ALLREDUCE( sums_l(nzb,8,0), sums(nzb,8), nzt+2-nzb, & |
---|
| 310 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
---|
| 311 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 312 | CALL MPI_ALLREDUCE( sums_l(nzb,30,0), sums(nzb,30), nzt+2-nzb, & |
---|
| 313 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
---|
| 314 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 315 | CALL MPI_ALLREDUCE( sums_l(nzb,31,0), sums(nzb,31), nzt+2-nzb, & |
---|
| 316 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
---|
| 317 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 318 | CALL MPI_ALLREDUCE( sums_l(nzb,32,0), sums(nzb,32), nzt+2-nzb, & |
---|
| 319 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
---|
| 320 | |
---|
| 321 | #else |
---|
| 322 | sums(:,8) = sums_l(:,8,0) |
---|
| 323 | sums(:,30) = sums_l(:,30,0) |
---|
| 324 | sums(:,31) = sums_l(:,31,0) |
---|
| 325 | sums(:,32) = sums_l(:,32,0) |
---|
| 326 | #endif |
---|
| 327 | |
---|
| 328 | ! |
---|
| 329 | !-- Final values are obtained by division by the total number of grid |
---|
| 330 | !-- points used for the summation. |
---|
| 331 | hom(:,1,8,0) = sums(:,8) / ngp_2dh_outer(:,0) ! e |
---|
| 332 | hom(:,1,30,0) = sums(:,30) / ngp_2dh_outer(:,0) ! u*2 |
---|
| 333 | hom(:,1,31,0) = sums(:,31) / ngp_2dh_outer(:,0) ! v*2 |
---|
| 334 | hom(:,1,32,0) = sums(:,32) / ngp_2dh_outer(:,0) ! w*2 |
---|
| 335 | |
---|
| 336 | ENDIF |
---|
| 337 | |
---|
| 338 | END SUBROUTINE lpm_init_sgs_tke |
---|