| 1 | SUBROUTINE particle_boundary_conds |
|---|
| 2 | |
|---|
| 3 | !------------------------------------------------------------------------------! |
|---|
| 4 | ! Current revisions: |
|---|
| 5 | ! ----------------- |
|---|
| 6 | ! |
|---|
| 7 | ! |
|---|
| 8 | ! Former revisions: |
|---|
| 9 | ! ----------------- |
|---|
| 10 | ! $Id: particle_boundary_conds.f90 826 2012-02-19 03:41:34Z heinze $ |
|---|
| 11 | ! |
|---|
| 12 | ! 824 2012-02-17 09:09:57Z raasch |
|---|
| 13 | ! particle attributes speed_x|y|z_sgs renamed rvar1|2|3 |
|---|
| 14 | ! |
|---|
| 15 | ! 150 2008-02-29 08:19:58Z raasch |
|---|
| 16 | ! Vertical index calculations adjusted for ocean runs. |
|---|
| 17 | ! |
|---|
| 18 | ! Initial version (2007/03/09) |
|---|
| 19 | ! |
|---|
| 20 | ! Description: |
|---|
| 21 | ! ------------ |
|---|
| 22 | ! Calculates the reflection of particles from vertical walls. |
|---|
| 23 | ! Routine developed by Jin Zhang (2006-2007) |
|---|
| 24 | ! To do: Code structure for finding the t_index values and for checking the |
|---|
| 25 | ! reflection conditions is basically the same for all four cases, so it |
|---|
| 26 | ! should be possible to further simplify/shorten it. |
|---|
| 27 | ! THIS ROUTINE HAS NOT BEEN TESTED FOR OCEAN RUNS SO FAR! (see offset_ocean_*) |
|---|
| 28 | !------------------------------------------------------------------------------! |
|---|
| 29 | |
|---|
| 30 | USE control_parameters |
|---|
| 31 | USE cpulog |
|---|
| 32 | USE grid_variables |
|---|
| 33 | USE indices |
|---|
| 34 | USE interfaces |
|---|
| 35 | USE particle_attributes |
|---|
| 36 | USE pegrid |
|---|
| 37 | |
|---|
| 38 | IMPLICIT NONE |
|---|
| 39 | |
|---|
| 40 | INTEGER :: i, inc, ir, i1, i2, i3, i5, j, jr, j1, j2, j3, j5, k, k1, k2, & |
|---|
| 41 | k3, k5, n, t_index, t_index_number |
|---|
| 42 | |
|---|
| 43 | LOGICAL :: reflect_x, reflect_y, reflect_z |
|---|
| 44 | |
|---|
| 45 | REAL :: dt_particle, pos_x, pos_x_old, pos_y, pos_y_old, pos_z, & |
|---|
| 46 | pos_z_old, prt_x, prt_y, prt_z, tmp_t, xline, yline, zline |
|---|
| 47 | |
|---|
| 48 | REAL :: t(1:200) |
|---|
| 49 | |
|---|
| 50 | CALL cpu_log( log_point_s(48), 'advec_part_refle', 'start' ) |
|---|
| 51 | |
|---|
| 52 | |
|---|
| 53 | |
|---|
| 54 | reflect_x = .FALSE. |
|---|
| 55 | reflect_y = .FALSE. |
|---|
| 56 | reflect_z = .FALSE. |
|---|
| 57 | |
|---|
| 58 | DO n = 1, number_of_particles |
|---|
| 59 | |
|---|
| 60 | dt_particle = particles(n)%age - particles(n)%age_m |
|---|
| 61 | |
|---|
| 62 | i2 = ( particles(n)%x + 0.5 * dx ) * ddx |
|---|
| 63 | j2 = ( particles(n)%y + 0.5 * dy ) * ddy |
|---|
| 64 | k2 = particles(n)%z / dz + 1 + offset_ocean_nzt_m1 |
|---|
| 65 | |
|---|
| 66 | prt_x = particles(n)%x |
|---|
| 67 | prt_y = particles(n)%y |
|---|
| 68 | prt_z = particles(n)%z |
|---|
| 69 | |
|---|
| 70 | ! |
|---|
| 71 | !-- If the particle position is below the surface, it has to be reflected |
|---|
| 72 | IF ( k2 <= nzb_s_inner(j2,i2) .AND. nzb_s_inner(j2,i2) /=0 ) THEN |
|---|
| 73 | |
|---|
| 74 | pos_x_old = particles(n)%x - particles(n)%speed_x * dt_particle |
|---|
| 75 | pos_y_old = particles(n)%y - particles(n)%speed_y * dt_particle |
|---|
| 76 | pos_z_old = particles(n)%z - particles(n)%speed_z * dt_particle |
|---|
| 77 | i1 = ( pos_x_old + 0.5 * dx ) * ddx |
|---|
| 78 | j1 = ( pos_y_old + 0.5 * dy ) * ddy |
|---|
| 79 | k1 = pos_z_old / dz + offset_ocean_nzt_m1 |
|---|
| 80 | |
|---|
| 81 | ! |
|---|
| 82 | !-- Case 1 |
|---|
| 83 | IF ( particles(n)%x > pos_x_old .AND. particles(n)%y > pos_y_old ) & |
|---|
| 84 | THEN |
|---|
| 85 | t_index = 1 |
|---|
| 86 | |
|---|
| 87 | DO i = i1, i2 |
|---|
| 88 | xline = i * dx + 0.5 * dx |
|---|
| 89 | t(t_index) = ( xline - pos_x_old ) / & |
|---|
| 90 | ( particles(n)%x - pos_x_old ) |
|---|
| 91 | t_index = t_index + 1 |
|---|
| 92 | ENDDO |
|---|
| 93 | |
|---|
| 94 | DO j = j1, j2 |
|---|
| 95 | yline = j * dy + 0.5 * dy |
|---|
| 96 | t(t_index) = ( yline - pos_y_old ) / & |
|---|
| 97 | ( particles(n)%y - pos_y_old ) |
|---|
| 98 | t_index = t_index + 1 |
|---|
| 99 | ENDDO |
|---|
| 100 | |
|---|
| 101 | IF ( particles(n)%z < pos_z_old ) THEN |
|---|
| 102 | DO k = k1, k2 , -1 |
|---|
| 103 | zline = k * dz |
|---|
| 104 | t(t_index) = ( pos_z_old - zline ) / & |
|---|
| 105 | ( pos_z_old - particles(n)%z ) |
|---|
| 106 | t_index = t_index + 1 |
|---|
| 107 | ENDDO |
|---|
| 108 | ENDIF |
|---|
| 109 | |
|---|
| 110 | t_index_number = t_index - 1 |
|---|
| 111 | |
|---|
| 112 | ! |
|---|
| 113 | !-- Sorting t |
|---|
| 114 | inc = 1 |
|---|
| 115 | jr = 1 |
|---|
| 116 | DO WHILE ( inc <= t_index_number ) |
|---|
| 117 | inc = 3 * inc + 1 |
|---|
| 118 | ENDDO |
|---|
| 119 | |
|---|
| 120 | DO WHILE ( inc > 1 ) |
|---|
| 121 | inc = inc / 3 |
|---|
| 122 | DO ir = inc+1, t_index_number |
|---|
| 123 | tmp_t = t(ir) |
|---|
| 124 | jr = ir |
|---|
| 125 | DO WHILE ( t(jr-inc) > tmp_t ) |
|---|
| 126 | t(jr) = t(jr-inc) |
|---|
| 127 | jr = jr - inc |
|---|
| 128 | IF ( jr <= inc ) EXIT |
|---|
| 129 | ENDDO |
|---|
| 130 | t(jr) = tmp_t |
|---|
| 131 | ENDDO |
|---|
| 132 | ENDDO |
|---|
| 133 | |
|---|
| 134 | case1: DO t_index = 1, t_index_number |
|---|
| 135 | |
|---|
| 136 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
|---|
| 137 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
|---|
| 138 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
|---|
| 139 | |
|---|
| 140 | i3 = ( pos_x + 0.5 * dx ) * ddx |
|---|
| 141 | j3 = ( pos_y + 0.5 * dy ) * ddy |
|---|
| 142 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
|---|
| 143 | |
|---|
| 144 | i5 = pos_x * ddx |
|---|
| 145 | j5 = pos_y * ddy |
|---|
| 146 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
|---|
| 147 | |
|---|
| 148 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
|---|
| 149 | nzb_s_inner(j5,i3) /= 0 ) THEN |
|---|
| 150 | |
|---|
| 151 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
|---|
| 152 | k3 == nzb_s_inner(j5,i3) ) THEN |
|---|
| 153 | reflect_z = .TRUE. |
|---|
| 154 | EXIT case1 |
|---|
| 155 | ENDIF |
|---|
| 156 | |
|---|
| 157 | ENDIF |
|---|
| 158 | |
|---|
| 159 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
|---|
| 160 | nzb_s_inner(j3,i5) /= 0 ) THEN |
|---|
| 161 | |
|---|
| 162 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
|---|
| 163 | k3 == nzb_s_inner(j3,i5) ) THEN |
|---|
| 164 | reflect_z = .TRUE. |
|---|
| 165 | EXIT case1 |
|---|
| 166 | ENDIF |
|---|
| 167 | |
|---|
| 168 | ENDIF |
|---|
| 169 | |
|---|
| 170 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
|---|
| 171 | nzb_s_inner(j3,i3) /= 0 ) THEN |
|---|
| 172 | |
|---|
| 173 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
|---|
| 174 | k3 == nzb_s_inner(j3,i3) ) THEN |
|---|
| 175 | reflect_z = .TRUE. |
|---|
| 176 | EXIT case1 |
|---|
| 177 | ENDIF |
|---|
| 178 | |
|---|
| 179 | IF ( pos_y == ( j3 * dy - 0.5 * dy ) .AND. & |
|---|
| 180 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
|---|
| 181 | reflect_y = .TRUE. |
|---|
| 182 | EXIT case1 |
|---|
| 183 | ENDIF |
|---|
| 184 | |
|---|
| 185 | IF ( pos_x == ( i3 * dx - 0.5 * dx ) .AND. & |
|---|
| 186 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
|---|
| 187 | reflect_x = .TRUE. |
|---|
| 188 | EXIT case1 |
|---|
| 189 | ENDIF |
|---|
| 190 | |
|---|
| 191 | ENDIF |
|---|
| 192 | |
|---|
| 193 | ENDDO case1 |
|---|
| 194 | |
|---|
| 195 | ! |
|---|
| 196 | !-- Case 2 |
|---|
| 197 | ELSEIF ( particles(n)%x > pos_x_old .AND. & |
|---|
| 198 | particles(n)%y < pos_y_old ) THEN |
|---|
| 199 | |
|---|
| 200 | t_index = 1 |
|---|
| 201 | |
|---|
| 202 | DO i = i1, i2 |
|---|
| 203 | xline = i * dx + 0.5 * dx |
|---|
| 204 | t(t_index) = ( xline - pos_x_old ) / & |
|---|
| 205 | ( particles(n)%x - pos_x_old ) |
|---|
| 206 | t_index = t_index + 1 |
|---|
| 207 | ENDDO |
|---|
| 208 | |
|---|
| 209 | DO j = j1, j2, -1 |
|---|
| 210 | yline = j * dy - 0.5 * dy |
|---|
| 211 | t(t_index) = ( pos_y_old - yline ) / & |
|---|
| 212 | ( pos_y_old - particles(n)%y ) |
|---|
| 213 | t_index = t_index + 1 |
|---|
| 214 | ENDDO |
|---|
| 215 | |
|---|
| 216 | IF ( particles(n)%z < pos_z_old ) THEN |
|---|
| 217 | DO k = k1, k2 , -1 |
|---|
| 218 | zline = k * dz |
|---|
| 219 | t(t_index) = ( pos_z_old - zline ) / & |
|---|
| 220 | ( pos_z_old - particles(n)%z ) |
|---|
| 221 | t_index = t_index + 1 |
|---|
| 222 | ENDDO |
|---|
| 223 | ENDIF |
|---|
| 224 | t_index_number = t_index-1 |
|---|
| 225 | |
|---|
| 226 | ! |
|---|
| 227 | !-- Sorting t |
|---|
| 228 | inc = 1 |
|---|
| 229 | jr = 1 |
|---|
| 230 | DO WHILE ( inc <= t_index_number ) |
|---|
| 231 | inc = 3 * inc + 1 |
|---|
| 232 | ENDDO |
|---|
| 233 | |
|---|
| 234 | DO WHILE ( inc > 1 ) |
|---|
| 235 | inc = inc / 3 |
|---|
| 236 | DO ir = inc+1, t_index_number |
|---|
| 237 | tmp_t = t(ir) |
|---|
| 238 | jr = ir |
|---|
| 239 | DO WHILE ( t(jr-inc) > tmp_t ) |
|---|
| 240 | t(jr) = t(jr-inc) |
|---|
| 241 | jr = jr - inc |
|---|
| 242 | IF ( jr <= inc ) EXIT |
|---|
| 243 | ENDDO |
|---|
| 244 | t(jr) = tmp_t |
|---|
| 245 | ENDDO |
|---|
| 246 | ENDDO |
|---|
| 247 | |
|---|
| 248 | case2: DO t_index = 1, t_index_number |
|---|
| 249 | |
|---|
| 250 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
|---|
| 251 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
|---|
| 252 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
|---|
| 253 | |
|---|
| 254 | i3 = ( pos_x + 0.5 * dx ) * ddx |
|---|
| 255 | j3 = ( pos_y + 0.5 * dy ) * ddy |
|---|
| 256 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
|---|
| 257 | |
|---|
| 258 | i5 = pos_x * ddx |
|---|
| 259 | j5 = pos_y * ddy |
|---|
| 260 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
|---|
| 261 | |
|---|
| 262 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
|---|
| 263 | nzb_s_inner(j3,i5) /= 0 ) THEN |
|---|
| 264 | |
|---|
| 265 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
|---|
| 266 | k3 == nzb_s_inner(j3,i5) ) THEN |
|---|
| 267 | reflect_z = .TRUE. |
|---|
| 268 | EXIT case2 |
|---|
| 269 | ENDIF |
|---|
| 270 | |
|---|
| 271 | ENDIF |
|---|
| 272 | |
|---|
| 273 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
|---|
| 274 | nzb_s_inner(j3,i3) /= 0 ) THEN |
|---|
| 275 | |
|---|
| 276 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
|---|
| 277 | k3 == nzb_s_inner(j3,i3) ) THEN |
|---|
| 278 | reflect_z = .TRUE. |
|---|
| 279 | EXIT case2 |
|---|
| 280 | ENDIF |
|---|
| 281 | |
|---|
| 282 | IF ( pos_x == ( i3 * dx - 0.5 * dx ) .AND. & |
|---|
| 283 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
|---|
| 284 | reflect_x = .TRUE. |
|---|
| 285 | EXIT case2 |
|---|
| 286 | ENDIF |
|---|
| 287 | |
|---|
| 288 | ENDIF |
|---|
| 289 | |
|---|
| 290 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
|---|
| 291 | nzb_s_inner(j5,i3) /= 0 ) THEN |
|---|
| 292 | |
|---|
| 293 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
|---|
| 294 | k3 == nzb_s_inner(j5,i3) ) THEN |
|---|
| 295 | reflect_z = .TRUE. |
|---|
| 296 | EXIT case2 |
|---|
| 297 | ENDIF |
|---|
| 298 | |
|---|
| 299 | IF ( pos_y == ( j5 * dy + 0.5 * dy ) .AND. & |
|---|
| 300 | pos_z < nzb_s_inner(j5,i3) * dz ) THEN |
|---|
| 301 | reflect_y = .TRUE. |
|---|
| 302 | EXIT case2 |
|---|
| 303 | ENDIF |
|---|
| 304 | |
|---|
| 305 | ENDIF |
|---|
| 306 | |
|---|
| 307 | ENDDO case2 |
|---|
| 308 | |
|---|
| 309 | ! |
|---|
| 310 | !-- Case 3 |
|---|
| 311 | ELSEIF ( particles(n)%x < pos_x_old .AND. & |
|---|
| 312 | particles(n)%y > pos_y_old ) THEN |
|---|
| 313 | |
|---|
| 314 | t_index = 1 |
|---|
| 315 | |
|---|
| 316 | DO i = i1, i2, -1 |
|---|
| 317 | xline = i * dx - 0.5 * dx |
|---|
| 318 | t(t_index) = ( pos_x_old - xline ) / & |
|---|
| 319 | ( pos_x_old - particles(n)%x ) |
|---|
| 320 | t_index = t_index + 1 |
|---|
| 321 | ENDDO |
|---|
| 322 | |
|---|
| 323 | DO j = j1, j2 |
|---|
| 324 | yline = j * dy + 0.5 * dy |
|---|
| 325 | t(t_index) = ( yline - pos_y_old ) / & |
|---|
| 326 | ( particles(n)%y - pos_y_old ) |
|---|
| 327 | t_index = t_index + 1 |
|---|
| 328 | ENDDO |
|---|
| 329 | |
|---|
| 330 | IF ( particles(n)%z < pos_z_old ) THEN |
|---|
| 331 | DO k = k1, k2 , -1 |
|---|
| 332 | zline = k * dz |
|---|
| 333 | t(t_index) = ( pos_z_old - zline ) / & |
|---|
| 334 | ( pos_z_old - particles(n)%z ) |
|---|
| 335 | t_index = t_index + 1 |
|---|
| 336 | ENDDO |
|---|
| 337 | ENDIF |
|---|
| 338 | t_index_number = t_index - 1 |
|---|
| 339 | |
|---|
| 340 | ! |
|---|
| 341 | !-- Sorting t |
|---|
| 342 | inc = 1 |
|---|
| 343 | jr = 1 |
|---|
| 344 | |
|---|
| 345 | DO WHILE ( inc <= t_index_number ) |
|---|
| 346 | inc = 3 * inc + 1 |
|---|
| 347 | ENDDO |
|---|
| 348 | |
|---|
| 349 | DO WHILE ( inc > 1 ) |
|---|
| 350 | inc = inc / 3 |
|---|
| 351 | DO ir = inc+1, t_index_number |
|---|
| 352 | tmp_t = t(ir) |
|---|
| 353 | jr = ir |
|---|
| 354 | DO WHILE ( t(jr-inc) > tmp_t ) |
|---|
| 355 | t(jr) = t(jr-inc) |
|---|
| 356 | jr = jr - inc |
|---|
| 357 | IF ( jr <= inc ) EXIT |
|---|
| 358 | ENDDO |
|---|
| 359 | t(jr) = tmp_t |
|---|
| 360 | ENDDO |
|---|
| 361 | ENDDO |
|---|
| 362 | |
|---|
| 363 | case3: DO t_index = 1, t_index_number |
|---|
| 364 | |
|---|
| 365 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
|---|
| 366 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
|---|
| 367 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
|---|
| 368 | |
|---|
| 369 | i3 = ( pos_x + 0.5 * dx ) * ddx |
|---|
| 370 | j3 = ( pos_y + 0.5 * dy ) * ddy |
|---|
| 371 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
|---|
| 372 | |
|---|
| 373 | i5 = pos_x * ddx |
|---|
| 374 | j5 = pos_y * ddy |
|---|
| 375 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
|---|
| 376 | |
|---|
| 377 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
|---|
| 378 | nzb_s_inner(j5,i3) /= 0 ) THEN |
|---|
| 379 | |
|---|
| 380 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
|---|
| 381 | k3 == nzb_s_inner(j5,i3) ) THEN |
|---|
| 382 | reflect_z = .TRUE. |
|---|
| 383 | EXIT case3 |
|---|
| 384 | ENDIF |
|---|
| 385 | |
|---|
| 386 | ENDIF |
|---|
| 387 | |
|---|
| 388 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
|---|
| 389 | nzb_s_inner(j3,i3) /= 0 ) THEN |
|---|
| 390 | |
|---|
| 391 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
|---|
| 392 | k3 == nzb_s_inner(j3,i3) ) THEN |
|---|
| 393 | reflect_z = .TRUE. |
|---|
| 394 | EXIT case3 |
|---|
| 395 | ENDIF |
|---|
| 396 | |
|---|
| 397 | IF ( pos_y == ( j3 * dy - 0.5 * dy ) .AND. & |
|---|
| 398 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
|---|
| 399 | reflect_y = .TRUE. |
|---|
| 400 | EXIT case3 |
|---|
| 401 | ENDIF |
|---|
| 402 | |
|---|
| 403 | ENDIF |
|---|
| 404 | |
|---|
| 405 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
|---|
| 406 | nzb_s_inner(j3,i5) /= 0 ) THEN |
|---|
| 407 | |
|---|
| 408 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
|---|
| 409 | k3 == nzb_s_inner(j3,i5) ) THEN |
|---|
| 410 | reflect_z = .TRUE. |
|---|
| 411 | EXIT case3 |
|---|
| 412 | ENDIF |
|---|
| 413 | |
|---|
| 414 | IF ( pos_x == ( i5 * dx + 0.5 * dx ) .AND. & |
|---|
| 415 | pos_z < nzb_s_inner(j3,i5) * dz ) THEN |
|---|
| 416 | reflect_x = .TRUE. |
|---|
| 417 | EXIT case3 |
|---|
| 418 | ENDIF |
|---|
| 419 | |
|---|
| 420 | ENDIF |
|---|
| 421 | |
|---|
| 422 | ENDDO case3 |
|---|
| 423 | |
|---|
| 424 | ! |
|---|
| 425 | !-- Case 4 |
|---|
| 426 | ELSEIF ( particles(n)%x < pos_x_old .AND. & |
|---|
| 427 | particles(n)%y < pos_y_old ) THEN |
|---|
| 428 | |
|---|
| 429 | t_index = 1 |
|---|
| 430 | |
|---|
| 431 | DO i = i1, i2, -1 |
|---|
| 432 | xline = i * dx - 0.5 * dx |
|---|
| 433 | t(t_index) = ( pos_x_old - xline ) / & |
|---|
| 434 | ( pos_x_old - particles(n)%x ) |
|---|
| 435 | t_index = t_index + 1 |
|---|
| 436 | ENDDO |
|---|
| 437 | |
|---|
| 438 | DO j = j1, j2, -1 |
|---|
| 439 | yline = j * dy - 0.5 * dy |
|---|
| 440 | t(t_index) = ( pos_y_old - yline ) / & |
|---|
| 441 | ( pos_y_old - particles(n)%y ) |
|---|
| 442 | t_index = t_index + 1 |
|---|
| 443 | ENDDO |
|---|
| 444 | |
|---|
| 445 | IF ( particles(n)%z < pos_z_old ) THEN |
|---|
| 446 | DO k = k1, k2 , -1 |
|---|
| 447 | zline = k * dz |
|---|
| 448 | t(t_index) = ( pos_z_old - zline ) / & |
|---|
| 449 | ( pos_z_old-particles(n)%z ) |
|---|
| 450 | t_index = t_index + 1 |
|---|
| 451 | ENDDO |
|---|
| 452 | ENDIF |
|---|
| 453 | t_index_number = t_index-1 |
|---|
| 454 | |
|---|
| 455 | ! |
|---|
| 456 | !-- Sorting t |
|---|
| 457 | inc = 1 |
|---|
| 458 | jr = 1 |
|---|
| 459 | |
|---|
| 460 | DO WHILE ( inc <= t_index_number ) |
|---|
| 461 | inc = 3 * inc + 1 |
|---|
| 462 | ENDDO |
|---|
| 463 | |
|---|
| 464 | DO WHILE ( inc > 1 ) |
|---|
| 465 | inc = inc / 3 |
|---|
| 466 | DO ir = inc+1, t_index_number |
|---|
| 467 | tmp_t = t(ir) |
|---|
| 468 | jr = ir |
|---|
| 469 | DO WHILE ( t(jr-inc) > tmp_t ) |
|---|
| 470 | t(jr) = t(jr-inc) |
|---|
| 471 | jr = jr - inc |
|---|
| 472 | IF ( jr <= inc ) EXIT |
|---|
| 473 | ENDDO |
|---|
| 474 | t(jr) = tmp_t |
|---|
| 475 | ENDDO |
|---|
| 476 | ENDDO |
|---|
| 477 | |
|---|
| 478 | case4: DO t_index = 1, t_index_number |
|---|
| 479 | |
|---|
| 480 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
|---|
| 481 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
|---|
| 482 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
|---|
| 483 | |
|---|
| 484 | i3 = ( pos_x + 0.5 * dx ) * ddx |
|---|
| 485 | j3 = ( pos_y + 0.5 * dy ) * ddy |
|---|
| 486 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
|---|
| 487 | |
|---|
| 488 | i5 = pos_x * ddx |
|---|
| 489 | j5 = pos_y * ddy |
|---|
| 490 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
|---|
| 491 | |
|---|
| 492 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
|---|
| 493 | nzb_s_inner(j3,i3) /= 0 ) THEN |
|---|
| 494 | |
|---|
| 495 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
|---|
| 496 | k3 == nzb_s_inner(j3,i3) ) THEN |
|---|
| 497 | reflect_z = .TRUE. |
|---|
| 498 | EXIT case4 |
|---|
| 499 | ENDIF |
|---|
| 500 | |
|---|
| 501 | ENDIF |
|---|
| 502 | |
|---|
| 503 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
|---|
| 504 | nzb_s_inner(j3,i5) /= 0 ) THEN |
|---|
| 505 | |
|---|
| 506 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
|---|
| 507 | k3 == nzb_s_inner(j3,i5) ) THEN |
|---|
| 508 | reflect_z = .TRUE. |
|---|
| 509 | EXIT case4 |
|---|
| 510 | ENDIF |
|---|
| 511 | |
|---|
| 512 | IF ( pos_x == ( i5 * dx + 0.5 * dx ) .AND. & |
|---|
| 513 | nzb_s_inner(j3,i5) /=0 .AND. & |
|---|
| 514 | pos_z < nzb_s_inner(j3,i5) * dz ) THEN |
|---|
| 515 | reflect_x = .TRUE. |
|---|
| 516 | EXIT case4 |
|---|
| 517 | ENDIF |
|---|
| 518 | |
|---|
| 519 | ENDIF |
|---|
| 520 | |
|---|
| 521 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
|---|
| 522 | nzb_s_inner(j5,i3) /= 0 ) THEN |
|---|
| 523 | |
|---|
| 524 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
|---|
| 525 | k5 == nzb_s_inner(j5,i3) ) THEN |
|---|
| 526 | reflect_z = .TRUE. |
|---|
| 527 | EXIT case4 |
|---|
| 528 | ENDIF |
|---|
| 529 | |
|---|
| 530 | IF ( pos_y == ( j5 * dy + 0.5 * dy ) .AND. & |
|---|
| 531 | nzb_s_inner(j5,i3) /= 0 .AND. & |
|---|
| 532 | pos_z < nzb_s_inner(j5,i3) * dz ) THEN |
|---|
| 533 | reflect_y = .TRUE. |
|---|
| 534 | EXIT case4 |
|---|
| 535 | ENDIF |
|---|
| 536 | |
|---|
| 537 | ENDIF |
|---|
| 538 | |
|---|
| 539 | ENDDO case4 |
|---|
| 540 | |
|---|
| 541 | ENDIF |
|---|
| 542 | |
|---|
| 543 | ENDIF ! Check, if particle position is below the surface |
|---|
| 544 | |
|---|
| 545 | ! |
|---|
| 546 | !-- Do the respective reflection, in case that one of the above conditions |
|---|
| 547 | !-- is found to be true |
|---|
| 548 | IF ( reflect_z ) THEN |
|---|
| 549 | |
|---|
| 550 | particles(n)%z = 2.0 * pos_z - prt_z |
|---|
| 551 | particles(n)%speed_z = - particles(n)%speed_z |
|---|
| 552 | |
|---|
| 553 | IF ( use_sgs_for_particles ) THEN |
|---|
| 554 | particles(n)%rvar3 = - particles(n)%rvar3 |
|---|
| 555 | ENDIF |
|---|
| 556 | reflect_z = .FALSE. |
|---|
| 557 | |
|---|
| 558 | ELSEIF ( reflect_y ) THEN |
|---|
| 559 | |
|---|
| 560 | particles(n)%y = 2.0 * pos_y - prt_y |
|---|
| 561 | particles(n)%speed_y = - particles(n)%speed_y |
|---|
| 562 | |
|---|
| 563 | IF ( use_sgs_for_particles ) THEN |
|---|
| 564 | particles(n)%rvar2 = - particles(n)%rvar2 |
|---|
| 565 | ENDIF |
|---|
| 566 | reflect_y = .FALSE. |
|---|
| 567 | |
|---|
| 568 | ELSEIF ( reflect_x ) THEN |
|---|
| 569 | |
|---|
| 570 | particles(n)%x = 2.0 * pos_x - prt_x |
|---|
| 571 | particles(n)%speed_x = - particles(n)%speed_x |
|---|
| 572 | |
|---|
| 573 | IF ( use_sgs_for_particles ) THEN |
|---|
| 574 | particles(n)%rvar1 = - particles(n)%rvar1 |
|---|
| 575 | ENDIF |
|---|
| 576 | reflect_x = .FALSE. |
|---|
| 577 | |
|---|
| 578 | ENDIF |
|---|
| 579 | |
|---|
| 580 | ENDDO |
|---|
| 581 | |
|---|
| 582 | CALL cpu_log( log_point_s(48), 'advec_part_refle', 'stop' ) |
|---|
| 583 | |
|---|
| 584 | |
|---|
| 585 | END SUBROUTINE particle_boundary_conds |
|---|
