[849] | 1 | SUBROUTINE lpm_boundary_conds( range ) |
---|
[58] | 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 | ! |
---|
[1310] | 17 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
---|
[1036] | 18 | !--------------------------------------------------------------------------------! |
---|
| 19 | ! |
---|
[484] | 20 | ! Current revisions: |
---|
[58] | 21 | ! ----------------- |
---|
[1318] | 22 | ! module interfaces removed |
---|
[58] | 23 | ! |
---|
| 24 | ! Former revisions: |
---|
| 25 | ! ----------------- |
---|
| 26 | ! $Id: lpm_boundary_conds.f90 1318 2014-03-17 13:35:16Z raasch $ |
---|
[198] | 27 | ! |
---|
[1037] | 28 | ! 1036 2012-10-22 13:43:42Z raasch |
---|
| 29 | ! code put under GPL (PALM 3.9) |
---|
| 30 | ! |
---|
[850] | 31 | ! 849 2012-03-15 10:35:09Z raasch |
---|
| 32 | ! routine renamed lpm_boundary_conds, bottom and top boundary conditions |
---|
| 33 | ! included (former part of advec_particles) |
---|
| 34 | ! |
---|
[826] | 35 | ! 824 2012-02-17 09:09:57Z raasch |
---|
| 36 | ! particle attributes speed_x|y|z_sgs renamed rvar1|2|3 |
---|
| 37 | ! |
---|
[198] | 38 | ! 150 2008-02-29 08:19:58Z raasch |
---|
| 39 | ! Vertical index calculations adjusted for ocean runs. |
---|
| 40 | ! |
---|
[58] | 41 | ! Initial version (2007/03/09) |
---|
| 42 | ! |
---|
| 43 | ! Description: |
---|
| 44 | ! ------------ |
---|
[849] | 45 | ! Boundary conditions for the Lagrangian particles. |
---|
| 46 | ! The routine consists of two different parts. One handles the bottom (flat) |
---|
| 47 | ! and top boundary. In this part, also particles which exceeded their lifetime |
---|
| 48 | ! are deleted. |
---|
| 49 | ! The other part handles the reflection of particles from vertical walls. |
---|
| 50 | ! This part was developed by Jin Zhang during 2006-2007. |
---|
| 51 | ! |
---|
[61] | 52 | ! To do: Code structure for finding the t_index values and for checking the |
---|
[849] | 53 | ! ----- reflection conditions is basically the same for all four cases, so it |
---|
[61] | 54 | ! should be possible to further simplify/shorten it. |
---|
[849] | 55 | ! |
---|
| 56 | ! THE WALLS PART OF THIS ROUTINE HAS NOT BEEN TESTED FOR OCEAN RUNS SO FAR!!!! |
---|
| 57 | ! (see offset_ocean_*) |
---|
[58] | 58 | !------------------------------------------------------------------------------! |
---|
| 59 | |
---|
[849] | 60 | USE arrays_3d |
---|
[58] | 61 | USE control_parameters |
---|
| 62 | USE cpulog |
---|
| 63 | USE grid_variables |
---|
| 64 | USE indices |
---|
| 65 | USE particle_attributes |
---|
| 66 | USE pegrid |
---|
| 67 | |
---|
| 68 | IMPLICIT NONE |
---|
| 69 | |
---|
[849] | 70 | CHARACTER (LEN=*) :: range |
---|
| 71 | |
---|
[60] | 72 | INTEGER :: i, inc, ir, i1, i2, i3, i5, j, jr, j1, j2, j3, j5, k, k1, k2, & |
---|
[849] | 73 | k3, k5, n, nn, t_index, t_index_number |
---|
[58] | 74 | |
---|
[61] | 75 | LOGICAL :: reflect_x, reflect_y, reflect_z |
---|
| 76 | |
---|
[60] | 77 | REAL :: dt_particle, pos_x, pos_x_old, pos_y, pos_y_old, pos_z, & |
---|
| 78 | pos_z_old, prt_x, prt_y, prt_z, tmp_t, xline, yline, zline |
---|
[58] | 79 | |
---|
[60] | 80 | REAL :: t(1:200) |
---|
| 81 | |
---|
[58] | 82 | |
---|
| 83 | |
---|
[849] | 84 | IF ( range == 'bottom/top' ) THEN |
---|
[58] | 85 | |
---|
[849] | 86 | ! |
---|
| 87 | !-- Apply boundary conditions to those particles that have crossed the top or |
---|
| 88 | !-- bottom boundary and delete those particles, which are older than allowed |
---|
| 89 | DO n = 1, number_of_particles |
---|
[61] | 90 | |
---|
[849] | 91 | nn = particles(n)%tail_id |
---|
[58] | 92 | |
---|
[849] | 93 | ! |
---|
| 94 | !-- Stop if particles have moved further than the length of one |
---|
| 95 | !-- PE subdomain (newly released particles have age = age_m!) |
---|
| 96 | IF ( particles(n)%age /= particles(n)%age_m ) THEN |
---|
| 97 | IF ( ABS(particles(n)%speed_x) > & |
---|
| 98 | ((nxr-nxl+2)*dx)/(particles(n)%age-particles(n)%age_m) .OR. & |
---|
| 99 | ABS(particles(n)%speed_y) > & |
---|
| 100 | ((nyn-nys+2)*dy)/(particles(n)%age-particles(n)%age_m) ) THEN |
---|
[60] | 101 | |
---|
[849] | 102 | WRITE( message_string, * ) 'particle too fast. n = ', n |
---|
| 103 | CALL message( 'lpm_boundary_conds', 'PA0148', 2, 2, -1, 6, 1 ) |
---|
| 104 | ENDIF |
---|
| 105 | ENDIF |
---|
[58] | 106 | |
---|
[849] | 107 | IF ( particles(n)%age > particle_maximum_age .AND. & |
---|
| 108 | particle_mask(n) ) & |
---|
| 109 | THEN |
---|
| 110 | particle_mask(n) = .FALSE. |
---|
| 111 | deleted_particles = deleted_particles + 1 |
---|
| 112 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
---|
| 113 | tail_mask(nn) = .FALSE. |
---|
| 114 | deleted_tails = deleted_tails + 1 |
---|
| 115 | ENDIF |
---|
| 116 | ENDIF |
---|
[58] | 117 | |
---|
[849] | 118 | IF ( particles(n)%z >= zu(nz) .AND. particle_mask(n) ) THEN |
---|
| 119 | IF ( ibc_par_t == 1 ) THEN |
---|
[61] | 120 | ! |
---|
[849] | 121 | !-- Particle absorption |
---|
| 122 | particle_mask(n) = .FALSE. |
---|
| 123 | deleted_particles = deleted_particles + 1 |
---|
| 124 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
---|
| 125 | tail_mask(nn) = .FALSE. |
---|
| 126 | deleted_tails = deleted_tails + 1 |
---|
| 127 | ENDIF |
---|
| 128 | ELSEIF ( ibc_par_t == 2 ) THEN |
---|
| 129 | ! |
---|
| 130 | !-- Particle reflection |
---|
| 131 | particles(n)%z = 2.0 * zu(nz) - particles(n)%z |
---|
| 132 | particles(n)%speed_z = -particles(n)%speed_z |
---|
| 133 | IF ( use_sgs_for_particles .AND. & |
---|
| 134 | particles(n)%rvar3 > 0.0 ) THEN |
---|
| 135 | particles(n)%rvar3 = -particles(n)%rvar3 |
---|
| 136 | ENDIF |
---|
| 137 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
---|
| 138 | particle_tail_coordinates(1,3,nn) = 2.0 * zu(nz) - & |
---|
| 139 | particle_tail_coordinates(1,3,nn) |
---|
| 140 | ENDIF |
---|
| 141 | ENDIF |
---|
| 142 | ENDIF |
---|
| 143 | IF ( particles(n)%z < zw(0) .AND. particle_mask(n) ) THEN |
---|
| 144 | IF ( ibc_par_b == 1 ) THEN |
---|
| 145 | ! |
---|
| 146 | !-- Particle absorption |
---|
| 147 | particle_mask(n) = .FALSE. |
---|
| 148 | deleted_particles = deleted_particles + 1 |
---|
| 149 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
---|
| 150 | tail_mask(nn) = .FALSE. |
---|
| 151 | deleted_tails = deleted_tails + 1 |
---|
| 152 | ENDIF |
---|
| 153 | ELSEIF ( ibc_par_b == 2 ) THEN |
---|
| 154 | ! |
---|
| 155 | !-- Particle reflection |
---|
| 156 | particles(n)%z = 2.0 * zw(0) - particles(n)%z |
---|
| 157 | particles(n)%speed_z = -particles(n)%speed_z |
---|
| 158 | IF ( use_sgs_for_particles .AND. & |
---|
| 159 | particles(n)%rvar3 < 0.0 ) THEN |
---|
| 160 | particles(n)%rvar3 = -particles(n)%rvar3 |
---|
| 161 | ENDIF |
---|
| 162 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
---|
| 163 | particle_tail_coordinates(1,3,nn) = 2.0 * zu(nz) - & |
---|
| 164 | particle_tail_coordinates(1,3,nn) |
---|
| 165 | ENDIF |
---|
| 166 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
---|
| 167 | particle_tail_coordinates(1,3,nn) = 2.0 * zw(0) - & |
---|
| 168 | particle_tail_coordinates(1,3,nn) |
---|
| 169 | ENDIF |
---|
| 170 | ENDIF |
---|
| 171 | ENDIF |
---|
| 172 | ENDDO |
---|
[58] | 173 | |
---|
[849] | 174 | ELSEIF ( range == 'walls' ) THEN |
---|
[58] | 175 | |
---|
[849] | 176 | CALL cpu_log( log_point_s(48), 'lpm_wall_reflect', 'start' ) |
---|
| 177 | |
---|
| 178 | reflect_x = .FALSE. |
---|
| 179 | reflect_y = .FALSE. |
---|
| 180 | reflect_z = .FALSE. |
---|
| 181 | |
---|
| 182 | DO n = 1, number_of_particles |
---|
| 183 | |
---|
| 184 | dt_particle = particles(n)%age - particles(n)%age_m |
---|
| 185 | |
---|
| 186 | i2 = ( particles(n)%x + 0.5 * dx ) * ddx |
---|
| 187 | j2 = ( particles(n)%y + 0.5 * dy ) * ddy |
---|
| 188 | k2 = particles(n)%z / dz + 1 + offset_ocean_nzt_m1 |
---|
| 189 | |
---|
| 190 | prt_x = particles(n)%x |
---|
| 191 | prt_y = particles(n)%y |
---|
| 192 | prt_z = particles(n)%z |
---|
| 193 | |
---|
[58] | 194 | ! |
---|
[849] | 195 | !-- If the particle position is below the surface, it has to be reflected |
---|
| 196 | IF ( k2 <= nzb_s_inner(j2,i2) .AND. nzb_s_inner(j2,i2) /=0 ) THEN |
---|
[58] | 197 | |
---|
[849] | 198 | pos_x_old = particles(n)%x - particles(n)%speed_x * dt_particle |
---|
| 199 | pos_y_old = particles(n)%y - particles(n)%speed_y * dt_particle |
---|
| 200 | pos_z_old = particles(n)%z - particles(n)%speed_z * dt_particle |
---|
| 201 | i1 = ( pos_x_old + 0.5 * dx ) * ddx |
---|
| 202 | j1 = ( pos_y_old + 0.5 * dy ) * ddy |
---|
| 203 | k1 = pos_z_old / dz + offset_ocean_nzt_m1 |
---|
[58] | 204 | |
---|
[849] | 205 | ! |
---|
| 206 | !-- Case 1 |
---|
| 207 | IF ( particles(n)%x > pos_x_old .AND. particles(n)%y > pos_y_old )& |
---|
| 208 | THEN |
---|
| 209 | t_index = 1 |
---|
[58] | 210 | |
---|
[849] | 211 | DO i = i1, i2 |
---|
| 212 | xline = i * dx + 0.5 * dx |
---|
| 213 | t(t_index) = ( xline - pos_x_old ) / & |
---|
| 214 | ( particles(n)%x - pos_x_old ) |
---|
[58] | 215 | t_index = t_index + 1 |
---|
| 216 | ENDDO |
---|
| 217 | |
---|
[849] | 218 | DO j = j1, j2 |
---|
| 219 | yline = j * dy + 0.5 * dy |
---|
| 220 | t(t_index) = ( yline - pos_y_old ) / & |
---|
| 221 | ( particles(n)%y - pos_y_old ) |
---|
| 222 | t_index = t_index + 1 |
---|
| 223 | ENDDO |
---|
[58] | 224 | |
---|
[849] | 225 | IF ( particles(n)%z < pos_z_old ) THEN |
---|
| 226 | DO k = k1, k2 , -1 |
---|
| 227 | zline = k * dz |
---|
| 228 | t(t_index) = ( pos_z_old - zline ) / & |
---|
| 229 | ( pos_z_old - particles(n)%z ) |
---|
| 230 | t_index = t_index + 1 |
---|
| 231 | ENDDO |
---|
| 232 | ENDIF |
---|
| 233 | |
---|
| 234 | t_index_number = t_index - 1 |
---|
| 235 | |
---|
[58] | 236 | ! |
---|
[849] | 237 | !-- Sorting t |
---|
| 238 | inc = 1 |
---|
| 239 | jr = 1 |
---|
| 240 | DO WHILE ( inc <= t_index_number ) |
---|
| 241 | inc = 3 * inc + 1 |
---|
| 242 | ENDDO |
---|
[58] | 243 | |
---|
[849] | 244 | DO WHILE ( inc > 1 ) |
---|
| 245 | inc = inc / 3 |
---|
| 246 | DO ir = inc+1, t_index_number |
---|
| 247 | tmp_t = t(ir) |
---|
| 248 | jr = ir |
---|
| 249 | DO WHILE ( t(jr-inc) > tmp_t ) |
---|
| 250 | t(jr) = t(jr-inc) |
---|
| 251 | jr = jr - inc |
---|
| 252 | IF ( jr <= inc ) EXIT |
---|
| 253 | ENDDO |
---|
| 254 | t(jr) = tmp_t |
---|
[58] | 255 | ENDDO |
---|
| 256 | ENDDO |
---|
| 257 | |
---|
[849] | 258 | case1: DO t_index = 1, t_index_number |
---|
[58] | 259 | |
---|
[849] | 260 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
---|
| 261 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
---|
| 262 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
---|
[58] | 263 | |
---|
[849] | 264 | i3 = ( pos_x + 0.5 * dx ) * ddx |
---|
| 265 | j3 = ( pos_y + 0.5 * dy ) * ddy |
---|
| 266 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 267 | |
---|
[849] | 268 | i5 = pos_x * ddx |
---|
| 269 | j5 = pos_y * ddy |
---|
| 270 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 271 | |
---|
[849] | 272 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
| 273 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
[61] | 274 | |
---|
[849] | 275 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
| 276 | k3 == nzb_s_inner(j5,i3) ) THEN |
---|
| 277 | reflect_z = .TRUE. |
---|
| 278 | EXIT case1 |
---|
| 279 | ENDIF |
---|
| 280 | |
---|
[61] | 281 | ENDIF |
---|
[58] | 282 | |
---|
[849] | 283 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
| 284 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
[58] | 285 | |
---|
[849] | 286 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
| 287 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
| 288 | reflect_z = .TRUE. |
---|
| 289 | EXIT case1 |
---|
| 290 | ENDIF |
---|
[61] | 291 | |
---|
| 292 | ENDIF |
---|
[58] | 293 | |
---|
[849] | 294 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
| 295 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
[58] | 296 | |
---|
[849] | 297 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
| 298 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
| 299 | reflect_z = .TRUE. |
---|
| 300 | EXIT case1 |
---|
| 301 | ENDIF |
---|
[61] | 302 | |
---|
[849] | 303 | IF ( pos_y == ( j3 * dy - 0.5 * dy ) .AND. & |
---|
| 304 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
---|
| 305 | reflect_y = .TRUE. |
---|
| 306 | EXIT case1 |
---|
| 307 | ENDIF |
---|
[58] | 308 | |
---|
[849] | 309 | IF ( pos_x == ( i3 * dx - 0.5 * dx ) .AND. & |
---|
| 310 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
---|
| 311 | reflect_x = .TRUE. |
---|
| 312 | EXIT case1 |
---|
| 313 | ENDIF |
---|
[58] | 314 | |
---|
[61] | 315 | ENDIF |
---|
[58] | 316 | |
---|
[849] | 317 | ENDDO case1 |
---|
[58] | 318 | |
---|
| 319 | ! |
---|
[849] | 320 | !-- Case 2 |
---|
| 321 | ELSEIF ( particles(n)%x > pos_x_old .AND. & |
---|
| 322 | particles(n)%y < pos_y_old ) THEN |
---|
[61] | 323 | |
---|
[849] | 324 | t_index = 1 |
---|
[58] | 325 | |
---|
[849] | 326 | DO i = i1, i2 |
---|
| 327 | xline = i * dx + 0.5 * dx |
---|
| 328 | t(t_index) = ( xline - pos_x_old ) / & |
---|
| 329 | ( particles(n)%x - pos_x_old ) |
---|
| 330 | t_index = t_index + 1 |
---|
| 331 | ENDDO |
---|
[58] | 332 | |
---|
[849] | 333 | DO j = j1, j2, -1 |
---|
| 334 | yline = j * dy - 0.5 * dy |
---|
| 335 | t(t_index) = ( pos_y_old - yline ) / & |
---|
| 336 | ( pos_y_old - particles(n)%y ) |
---|
[58] | 337 | t_index = t_index + 1 |
---|
| 338 | ENDDO |
---|
| 339 | |
---|
[849] | 340 | IF ( particles(n)%z < pos_z_old ) THEN |
---|
| 341 | DO k = k1, k2 , -1 |
---|
| 342 | zline = k * dz |
---|
| 343 | t(t_index) = ( pos_z_old - zline ) / & |
---|
| 344 | ( pos_z_old - particles(n)%z ) |
---|
| 345 | t_index = t_index + 1 |
---|
| 346 | ENDDO |
---|
| 347 | ENDIF |
---|
| 348 | t_index_number = t_index-1 |
---|
| 349 | |
---|
[58] | 350 | ! |
---|
[849] | 351 | !-- Sorting t |
---|
| 352 | inc = 1 |
---|
| 353 | jr = 1 |
---|
| 354 | DO WHILE ( inc <= t_index_number ) |
---|
| 355 | inc = 3 * inc + 1 |
---|
| 356 | ENDDO |
---|
[58] | 357 | |
---|
[849] | 358 | DO WHILE ( inc > 1 ) |
---|
| 359 | inc = inc / 3 |
---|
| 360 | DO ir = inc+1, t_index_number |
---|
| 361 | tmp_t = t(ir) |
---|
| 362 | jr = ir |
---|
| 363 | DO WHILE ( t(jr-inc) > tmp_t ) |
---|
| 364 | t(jr) = t(jr-inc) |
---|
| 365 | jr = jr - inc |
---|
| 366 | IF ( jr <= inc ) EXIT |
---|
| 367 | ENDDO |
---|
| 368 | t(jr) = tmp_t |
---|
[58] | 369 | ENDDO |
---|
| 370 | ENDDO |
---|
| 371 | |
---|
[849] | 372 | case2: DO t_index = 1, t_index_number |
---|
[58] | 373 | |
---|
[849] | 374 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
---|
| 375 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
---|
| 376 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
---|
[58] | 377 | |
---|
[849] | 378 | i3 = ( pos_x + 0.5 * dx ) * ddx |
---|
| 379 | j3 = ( pos_y + 0.5 * dy ) * ddy |
---|
| 380 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 381 | |
---|
[849] | 382 | i5 = pos_x * ddx |
---|
| 383 | j5 = pos_y * ddy |
---|
| 384 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 385 | |
---|
[849] | 386 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
| 387 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
[61] | 388 | |
---|
[849] | 389 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
| 390 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
| 391 | reflect_z = .TRUE. |
---|
| 392 | EXIT case2 |
---|
| 393 | ENDIF |
---|
| 394 | |
---|
[61] | 395 | ENDIF |
---|
[58] | 396 | |
---|
[849] | 397 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
| 398 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
[58] | 399 | |
---|
[849] | 400 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
| 401 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
| 402 | reflect_z = .TRUE. |
---|
| 403 | EXIT case2 |
---|
| 404 | ENDIF |
---|
[61] | 405 | |
---|
[849] | 406 | IF ( pos_x == ( i3 * dx - 0.5 * dx ) .AND. & |
---|
| 407 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
---|
| 408 | reflect_x = .TRUE. |
---|
| 409 | EXIT case2 |
---|
| 410 | ENDIF |
---|
[58] | 411 | |
---|
[61] | 412 | ENDIF |
---|
[58] | 413 | |
---|
[849] | 414 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
| 415 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
[58] | 416 | |
---|
[849] | 417 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
| 418 | k3 == nzb_s_inner(j5,i3) ) THEN |
---|
| 419 | reflect_z = .TRUE. |
---|
| 420 | EXIT case2 |
---|
| 421 | ENDIF |
---|
[61] | 422 | |
---|
[849] | 423 | IF ( pos_y == ( j5 * dy + 0.5 * dy ) .AND. & |
---|
| 424 | pos_z < nzb_s_inner(j5,i3) * dz ) THEN |
---|
| 425 | reflect_y = .TRUE. |
---|
| 426 | EXIT case2 |
---|
| 427 | ENDIF |
---|
[58] | 428 | |
---|
[61] | 429 | ENDIF |
---|
[58] | 430 | |
---|
[849] | 431 | ENDDO case2 |
---|
[58] | 432 | |
---|
| 433 | ! |
---|
[849] | 434 | !-- Case 3 |
---|
| 435 | ELSEIF ( particles(n)%x < pos_x_old .AND. & |
---|
| 436 | particles(n)%y > pos_y_old ) THEN |
---|
[61] | 437 | |
---|
[849] | 438 | t_index = 1 |
---|
[58] | 439 | |
---|
[849] | 440 | DO i = i1, i2, -1 |
---|
| 441 | xline = i * dx - 0.5 * dx |
---|
| 442 | t(t_index) = ( pos_x_old - xline ) / & |
---|
| 443 | ( pos_x_old - particles(n)%x ) |
---|
| 444 | t_index = t_index + 1 |
---|
| 445 | ENDDO |
---|
[58] | 446 | |
---|
[849] | 447 | DO j = j1, j2 |
---|
| 448 | yline = j * dy + 0.5 * dy |
---|
| 449 | t(t_index) = ( yline - pos_y_old ) / & |
---|
| 450 | ( particles(n)%y - pos_y_old ) |
---|
[58] | 451 | t_index = t_index + 1 |
---|
| 452 | ENDDO |
---|
| 453 | |
---|
[849] | 454 | IF ( particles(n)%z < pos_z_old ) THEN |
---|
| 455 | DO k = k1, k2 , -1 |
---|
| 456 | zline = k * dz |
---|
| 457 | t(t_index) = ( pos_z_old - zline ) / & |
---|
| 458 | ( pos_z_old - particles(n)%z ) |
---|
| 459 | t_index = t_index + 1 |
---|
| 460 | ENDDO |
---|
| 461 | ENDIF |
---|
| 462 | t_index_number = t_index - 1 |
---|
| 463 | |
---|
[58] | 464 | ! |
---|
[849] | 465 | !-- Sorting t |
---|
| 466 | inc = 1 |
---|
| 467 | jr = 1 |
---|
[58] | 468 | |
---|
[849] | 469 | DO WHILE ( inc <= t_index_number ) |
---|
| 470 | inc = 3 * inc + 1 |
---|
| 471 | ENDDO |
---|
[58] | 472 | |
---|
[849] | 473 | DO WHILE ( inc > 1 ) |
---|
| 474 | inc = inc / 3 |
---|
| 475 | DO ir = inc+1, t_index_number |
---|
| 476 | tmp_t = t(ir) |
---|
| 477 | jr = ir |
---|
| 478 | DO WHILE ( t(jr-inc) > tmp_t ) |
---|
| 479 | t(jr) = t(jr-inc) |
---|
| 480 | jr = jr - inc |
---|
| 481 | IF ( jr <= inc ) EXIT |
---|
| 482 | ENDDO |
---|
| 483 | t(jr) = tmp_t |
---|
[58] | 484 | ENDDO |
---|
| 485 | ENDDO |
---|
| 486 | |
---|
[849] | 487 | case3: DO t_index = 1, t_index_number |
---|
[58] | 488 | |
---|
[849] | 489 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
---|
| 490 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
---|
| 491 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
---|
[58] | 492 | |
---|
[849] | 493 | i3 = ( pos_x + 0.5 * dx ) * ddx |
---|
| 494 | j3 = ( pos_y + 0.5 * dy ) * ddy |
---|
| 495 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 496 | |
---|
[849] | 497 | i5 = pos_x * ddx |
---|
| 498 | j5 = pos_y * ddy |
---|
| 499 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 500 | |
---|
[849] | 501 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
| 502 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
[61] | 503 | |
---|
[849] | 504 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
| 505 | k3 == nzb_s_inner(j5,i3) ) THEN |
---|
| 506 | reflect_z = .TRUE. |
---|
| 507 | EXIT case3 |
---|
| 508 | ENDIF |
---|
| 509 | |
---|
[61] | 510 | ENDIF |
---|
[58] | 511 | |
---|
[849] | 512 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
| 513 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
[58] | 514 | |
---|
[849] | 515 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
| 516 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
| 517 | reflect_z = .TRUE. |
---|
| 518 | EXIT case3 |
---|
| 519 | ENDIF |
---|
[61] | 520 | |
---|
[849] | 521 | IF ( pos_y == ( j3 * dy - 0.5 * dy ) .AND. & |
---|
| 522 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
---|
| 523 | reflect_y = .TRUE. |
---|
| 524 | EXIT case3 |
---|
| 525 | ENDIF |
---|
[58] | 526 | |
---|
[61] | 527 | ENDIF |
---|
[58] | 528 | |
---|
[849] | 529 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
| 530 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
[58] | 531 | |
---|
[849] | 532 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
| 533 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
| 534 | reflect_z = .TRUE. |
---|
| 535 | EXIT case3 |
---|
| 536 | ENDIF |
---|
[61] | 537 | |
---|
[849] | 538 | IF ( pos_x == ( i5 * dx + 0.5 * dx ) .AND. & |
---|
| 539 | pos_z < nzb_s_inner(j3,i5) * dz ) THEN |
---|
| 540 | reflect_x = .TRUE. |
---|
| 541 | EXIT case3 |
---|
| 542 | ENDIF |
---|
[58] | 543 | |
---|
| 544 | ENDIF |
---|
| 545 | |
---|
[849] | 546 | ENDDO case3 |
---|
[61] | 547 | |
---|
[58] | 548 | ! |
---|
[849] | 549 | !-- Case 4 |
---|
| 550 | ELSEIF ( particles(n)%x < pos_x_old .AND. & |
---|
| 551 | particles(n)%y < pos_y_old ) THEN |
---|
[61] | 552 | |
---|
[849] | 553 | t_index = 1 |
---|
[58] | 554 | |
---|
[849] | 555 | DO i = i1, i2, -1 |
---|
| 556 | xline = i * dx - 0.5 * dx |
---|
| 557 | t(t_index) = ( pos_x_old - xline ) / & |
---|
| 558 | ( pos_x_old - particles(n)%x ) |
---|
| 559 | t_index = t_index + 1 |
---|
| 560 | ENDDO |
---|
[58] | 561 | |
---|
[849] | 562 | DO j = j1, j2, -1 |
---|
| 563 | yline = j * dy - 0.5 * dy |
---|
| 564 | t(t_index) = ( pos_y_old - yline ) / & |
---|
| 565 | ( pos_y_old - particles(n)%y ) |
---|
[58] | 566 | t_index = t_index + 1 |
---|
| 567 | ENDDO |
---|
| 568 | |
---|
[849] | 569 | IF ( particles(n)%z < pos_z_old ) THEN |
---|
| 570 | DO k = k1, k2 , -1 |
---|
| 571 | zline = k * dz |
---|
| 572 | t(t_index) = ( pos_z_old - zline ) / & |
---|
| 573 | ( pos_z_old-particles(n)%z ) |
---|
| 574 | t_index = t_index + 1 |
---|
| 575 | ENDDO |
---|
| 576 | ENDIF |
---|
| 577 | t_index_number = t_index-1 |
---|
| 578 | |
---|
[58] | 579 | ! |
---|
[849] | 580 | !-- Sorting t |
---|
| 581 | inc = 1 |
---|
| 582 | jr = 1 |
---|
[58] | 583 | |
---|
[849] | 584 | DO WHILE ( inc <= t_index_number ) |
---|
| 585 | inc = 3 * inc + 1 |
---|
| 586 | ENDDO |
---|
[58] | 587 | |
---|
[849] | 588 | DO WHILE ( inc > 1 ) |
---|
| 589 | inc = inc / 3 |
---|
| 590 | DO ir = inc+1, t_index_number |
---|
| 591 | tmp_t = t(ir) |
---|
| 592 | jr = ir |
---|
| 593 | DO WHILE ( t(jr-inc) > tmp_t ) |
---|
| 594 | t(jr) = t(jr-inc) |
---|
| 595 | jr = jr - inc |
---|
| 596 | IF ( jr <= inc ) EXIT |
---|
| 597 | ENDDO |
---|
| 598 | t(jr) = tmp_t |
---|
[58] | 599 | ENDDO |
---|
| 600 | ENDDO |
---|
| 601 | |
---|
[849] | 602 | case4: DO t_index = 1, t_index_number |
---|
[58] | 603 | |
---|
[849] | 604 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
---|
| 605 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
---|
| 606 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
---|
[58] | 607 | |
---|
[849] | 608 | i3 = ( pos_x + 0.5 * dx ) * ddx |
---|
| 609 | j3 = ( pos_y + 0.5 * dy ) * ddy |
---|
| 610 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 611 | |
---|
[849] | 612 | i5 = pos_x * ddx |
---|
| 613 | j5 = pos_y * ddy |
---|
| 614 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 615 | |
---|
[849] | 616 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
| 617 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
[61] | 618 | |
---|
[849] | 619 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
| 620 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
| 621 | reflect_z = .TRUE. |
---|
| 622 | EXIT case4 |
---|
| 623 | ENDIF |
---|
| 624 | |
---|
[61] | 625 | ENDIF |
---|
[58] | 626 | |
---|
[849] | 627 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
| 628 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
[58] | 629 | |
---|
[849] | 630 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
| 631 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
| 632 | reflect_z = .TRUE. |
---|
| 633 | EXIT case4 |
---|
| 634 | ENDIF |
---|
[61] | 635 | |
---|
[849] | 636 | IF ( pos_x == ( i5 * dx + 0.5 * dx ) .AND. & |
---|
| 637 | nzb_s_inner(j3,i5) /=0 .AND. & |
---|
| 638 | pos_z < nzb_s_inner(j3,i5) * dz ) THEN |
---|
| 639 | reflect_x = .TRUE. |
---|
| 640 | EXIT case4 |
---|
| 641 | ENDIF |
---|
[58] | 642 | |
---|
[61] | 643 | ENDIF |
---|
[58] | 644 | |
---|
[849] | 645 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
| 646 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
[61] | 647 | |
---|
[849] | 648 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
| 649 | k5 == nzb_s_inner(j5,i3) ) THEN |
---|
| 650 | reflect_z = .TRUE. |
---|
| 651 | EXIT case4 |
---|
| 652 | ENDIF |
---|
[61] | 653 | |
---|
[849] | 654 | IF ( pos_y == ( j5 * dy + 0.5 * dy ) .AND. & |
---|
| 655 | nzb_s_inner(j5,i3) /= 0 .AND. & |
---|
| 656 | pos_z < nzb_s_inner(j5,i3) * dz ) THEN |
---|
| 657 | reflect_y = .TRUE. |
---|
| 658 | EXIT case4 |
---|
| 659 | ENDIF |
---|
[58] | 660 | |
---|
[61] | 661 | ENDIF |
---|
| 662 | |
---|
[849] | 663 | ENDDO case4 |
---|
[61] | 664 | |
---|
[849] | 665 | ENDIF |
---|
[58] | 666 | |
---|
[849] | 667 | ENDIF ! Check, if particle position is below the surface |
---|
[61] | 668 | |
---|
| 669 | ! |
---|
[849] | 670 | !-- Do the respective reflection, in case that one of the above conditions |
---|
| 671 | !-- is found to be true |
---|
| 672 | IF ( reflect_z ) THEN |
---|
[61] | 673 | |
---|
[849] | 674 | particles(n)%z = 2.0 * pos_z - prt_z |
---|
| 675 | particles(n)%speed_z = - particles(n)%speed_z |
---|
[61] | 676 | |
---|
[849] | 677 | IF ( use_sgs_for_particles ) THEN |
---|
| 678 | particles(n)%rvar3 = - particles(n)%rvar3 |
---|
| 679 | ENDIF |
---|
| 680 | reflect_z = .FALSE. |
---|
[61] | 681 | |
---|
[849] | 682 | ELSEIF ( reflect_y ) THEN |
---|
[61] | 683 | |
---|
[849] | 684 | particles(n)%y = 2.0 * pos_y - prt_y |
---|
| 685 | particles(n)%speed_y = - particles(n)%speed_y |
---|
[61] | 686 | |
---|
[849] | 687 | IF ( use_sgs_for_particles ) THEN |
---|
| 688 | particles(n)%rvar2 = - particles(n)%rvar2 |
---|
| 689 | ENDIF |
---|
| 690 | reflect_y = .FALSE. |
---|
[61] | 691 | |
---|
[849] | 692 | ELSEIF ( reflect_x ) THEN |
---|
[61] | 693 | |
---|
[849] | 694 | particles(n)%x = 2.0 * pos_x - prt_x |
---|
| 695 | particles(n)%speed_x = - particles(n)%speed_x |
---|
[61] | 696 | |
---|
[849] | 697 | IF ( use_sgs_for_particles ) THEN |
---|
| 698 | particles(n)%rvar1 = - particles(n)%rvar1 |
---|
| 699 | ENDIF |
---|
| 700 | reflect_x = .FALSE. |
---|
[61] | 701 | |
---|
[849] | 702 | ENDIF |
---|
[58] | 703 | |
---|
[849] | 704 | ENDDO |
---|
[58] | 705 | |
---|
[849] | 706 | CALL cpu_log( log_point_s(48), 'lpm_wall_reflect', 'stop' ) |
---|
[58] | 707 | |
---|
[849] | 708 | ENDIF |
---|
[61] | 709 | |
---|
[849] | 710 | END SUBROUTINE lpm_boundary_conds |
---|