| 1 | MODULE nudge_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: nudging.f90 1399 2014-05-07 11:16:25Z boeske $ |
|---|
| 27 | ! |
|---|
| 28 | ! 1398 2014-05-07 11:15:00Z heinze |
|---|
| 29 | ! Subroutine nudge_ref is extended to set u_init and v_init to the current |
|---|
| 30 | ! nudging profiles |
|---|
| 31 | ! |
|---|
| 32 | ! 1382 2014-04-30 12:15:41Z boeske |
|---|
| 33 | ! Changed the weighting factor that is used in the summation of nudging |
|---|
| 34 | ! tendencies for profile data output from weight_pres to weight_substep, |
|---|
| 35 | ! added Neumann boundary conditions for profile data output of nudging terms at |
|---|
| 36 | ! nzt+1 |
|---|
| 37 | ! |
|---|
| 38 | ! 1380 2014-04-28 12:40:45Z heinze |
|---|
| 39 | ! Subroutine nudge_ref added to account for proper upper scalar boundary |
|---|
| 40 | ! conditions in case of nudging |
|---|
| 41 | ! |
|---|
| 42 | ! 1365 2014-04-22 15:03:56Z boeske |
|---|
| 43 | ! Variable t renamed nt, variable currtnudge renamed tmp_tnudge, |
|---|
| 44 | ! summation of nudging tendencies for data output added |
|---|
| 45 | ! +sums_ls_l, tmp_tend |
|---|
| 46 | ! Added new subroutine calc_tnudge, which calculates the current nudging time |
|---|
| 47 | ! scale at each time step |
|---|
| 48 | ! |
|---|
| 49 | ! 1355 2014-04-10 10:21:29Z heinze |
|---|
| 50 | ! Error message specified. |
|---|
| 51 | ! |
|---|
| 52 | ! 1353 2014-04-08 15:21:23Z heinze |
|---|
| 53 | ! REAL constants provided with KIND-attribute |
|---|
| 54 | ! |
|---|
| 55 | ! 1320 2014-03-20 08:40:49Z raasch |
|---|
| 56 | ! ONLY-attribute added to USE-statements, |
|---|
| 57 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
|---|
| 58 | ! kinds are defined in new module kinds, |
|---|
| 59 | ! old module precision_kind is removed, |
|---|
| 60 | ! revision history before 2012 removed, |
|---|
| 61 | ! comment fields (!:) to be used for variable explanations added to |
|---|
| 62 | ! all variable declaration statements |
|---|
| 63 | ! |
|---|
| 64 | ! 1318 2014-03-17 13:35:16Z raasch |
|---|
| 65 | ! module interfaces removed |
|---|
| 66 | ! |
|---|
| 67 | ! 1268 2013-12-12 09:47:53Z heinze |
|---|
| 68 | ! bugfix: argument of calc_mean_profile corrected |
|---|
| 69 | ! |
|---|
| 70 | ! 1251 2013-11-07 08:14:30Z heinze |
|---|
| 71 | ! bugfix: calculate dtm and dtp also in vector version |
|---|
| 72 | ! |
|---|
| 73 | ! 1249 2013-11-06 10:45:47Z heinze |
|---|
| 74 | ! remove call of user module |
|---|
| 75 | ! reformatting |
|---|
| 76 | ! |
|---|
| 77 | ! 1241 2013-10-30 11:36:58Z heinze |
|---|
| 78 | ! Initial revision |
|---|
| 79 | ! |
|---|
| 80 | ! Description: |
|---|
| 81 | ! ------------ |
|---|
| 82 | ! Nudges u, v, pt and q to given profiles on a relaxation timescale tnudge. |
|---|
| 83 | ! Profiles are read in from NUDGIN_DATA. Code is based on Neggers et al. (2012) |
|---|
| 84 | ! and also part of DALES and UCLA-LES. |
|---|
| 85 | !--------------------------------------------------------------------------------! |
|---|
| 86 | |
|---|
| 87 | PRIVATE |
|---|
| 88 | PUBLIC init_nudge, calc_tnudge, nudge, nudge_ref |
|---|
| 89 | SAVE |
|---|
| 90 | |
|---|
| 91 | INTERFACE nudge |
|---|
| 92 | MODULE PROCEDURE nudge |
|---|
| 93 | MODULE PROCEDURE nudge_ij |
|---|
| 94 | END INTERFACE nudge |
|---|
| 95 | |
|---|
| 96 | CONTAINS |
|---|
| 97 | |
|---|
| 98 | SUBROUTINE init_nudge |
|---|
| 99 | |
|---|
| 100 | USE arrays_3d, & |
|---|
| 101 | ONLY: ptnudge, qnudge, timenudge, tmp_tnudge, tnudge, unudge, & |
|---|
| 102 | vnudge, wnudge, zu |
|---|
| 103 | |
|---|
| 104 | USE control_parameters, & |
|---|
| 105 | ONLY: dt_3d, lptnudge, lqnudge, lunudge, lvnudge, lwnudge, & |
|---|
| 106 | message_string, ntnudge |
|---|
| 107 | |
|---|
| 108 | USE indices, & |
|---|
| 109 | ONLY: nzb, nzt |
|---|
| 110 | |
|---|
| 111 | USE kinds |
|---|
| 112 | |
|---|
| 113 | IMPLICIT NONE |
|---|
| 114 | |
|---|
| 115 | |
|---|
| 116 | INTEGER(iwp) :: finput = 90 !: |
|---|
| 117 | INTEGER(iwp) :: ierrn !: |
|---|
| 118 | INTEGER(iwp) :: k !: |
|---|
| 119 | INTEGER(iwp) :: nt !: |
|---|
| 120 | |
|---|
| 121 | CHARACTER(1) :: hash !: |
|---|
| 122 | |
|---|
| 123 | REAL(wp) :: highheight !: |
|---|
| 124 | REAL(wp) :: highqnudge !: |
|---|
| 125 | REAL(wp) :: highptnudge !: |
|---|
| 126 | REAL(wp) :: highunudge !: |
|---|
| 127 | REAL(wp) :: highvnudge !: |
|---|
| 128 | REAL(wp) :: highwnudge !: |
|---|
| 129 | REAL(wp) :: hightnudge !: |
|---|
| 130 | |
|---|
| 131 | REAL(wp) :: lowheight !: |
|---|
| 132 | REAL(wp) :: lowqnudge !: |
|---|
| 133 | REAL(wp) :: lowptnudge !: |
|---|
| 134 | REAL(wp) :: lowunudge !: |
|---|
| 135 | REAL(wp) :: lowvnudge !: |
|---|
| 136 | REAL(wp) :: lowwnudge !: |
|---|
| 137 | REAL(wp) :: lowtnudge !: |
|---|
| 138 | |
|---|
| 139 | REAL(wp) :: fac !: |
|---|
| 140 | |
|---|
| 141 | ALLOCATE( ptnudge(nzb:nzt+1,1:ntnudge), qnudge(nzb:nzt+1,1:ntnudge), & |
|---|
| 142 | tnudge(nzb:nzt+1,1:ntnudge), unudge(nzb:nzt+1,1:ntnudge), & |
|---|
| 143 | vnudge(nzb:nzt+1,1:ntnudge), wnudge(nzb:nzt+1,1:ntnudge) ) |
|---|
| 144 | |
|---|
| 145 | ALLOCATE( tmp_tnudge(nzb:nzt) ) |
|---|
| 146 | |
|---|
| 147 | ALLOCATE( timenudge(0:ntnudge) ) |
|---|
| 148 | |
|---|
| 149 | ptnudge = 0.0_wp; qnudge = 0.0_wp; tnudge = 0.0_wp; unudge = 0.0_wp |
|---|
| 150 | vnudge = 0.0_wp; wnudge = 0.0_wp; timenudge = 0.0_wp |
|---|
| 151 | ! |
|---|
| 152 | !-- Initialize array tmp_nudge with a current nudging time scale of 6 hours |
|---|
| 153 | tmp_tnudge = 21600.0_wp |
|---|
| 154 | |
|---|
| 155 | nt = 0 |
|---|
| 156 | OPEN ( finput, FILE='NUDGING_DATA', STATUS='OLD', & |
|---|
| 157 | FORM='FORMATTED', IOSTAT=ierrn ) |
|---|
| 158 | |
|---|
| 159 | IF ( ierrn /= 0 ) THEN |
|---|
| 160 | message_string = 'file NUDGING_DATA does not exist' |
|---|
| 161 | CALL message( 'nudging', 'PA0365', 1, 2, 0, 6, 0 ) |
|---|
| 162 | ENDIF |
|---|
| 163 | |
|---|
| 164 | ierrn = 0 |
|---|
| 165 | |
|---|
| 166 | rloop:DO |
|---|
| 167 | nt = nt + 1 |
|---|
| 168 | hash = "#" |
|---|
| 169 | ierrn = 1 ! not zero |
|---|
| 170 | ! |
|---|
| 171 | !-- Search for the next line consisting of "# time", |
|---|
| 172 | !-- from there onwards the profiles will be read |
|---|
| 173 | DO WHILE ( .NOT. ( hash == "#" .AND. ierrn == 0 ) ) |
|---|
| 174 | |
|---|
| 175 | READ ( finput, *, IOSTAT=ierrn ) hash, timenudge(nt) |
|---|
| 176 | IF ( ierrn < 0 ) EXIT rloop |
|---|
| 177 | |
|---|
| 178 | ENDDO |
|---|
| 179 | |
|---|
| 180 | ierrn = 0 |
|---|
| 181 | READ ( finput, *, IOSTAT=ierrn ) lowheight, lowtnudge, lowunudge, & |
|---|
| 182 | lowvnudge, lowwnudge , lowptnudge, & |
|---|
| 183 | lowqnudge |
|---|
| 184 | |
|---|
| 185 | IF ( ierrn /= 0 ) THEN |
|---|
| 186 | message_string = 'errors in file NUDGING_DATA' |
|---|
| 187 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
|---|
| 188 | ENDIF |
|---|
| 189 | |
|---|
| 190 | ierrn = 0 |
|---|
| 191 | READ ( finput, *, IOSTAT=ierrn ) highheight, hightnudge, highunudge, & |
|---|
| 192 | highvnudge, highwnudge , highptnudge, & |
|---|
| 193 | highqnudge |
|---|
| 194 | |
|---|
| 195 | IF ( ierrn /= 0 ) THEN |
|---|
| 196 | message_string = 'errors in file NUDGING_DATA' |
|---|
| 197 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
|---|
| 198 | ENDIF |
|---|
| 199 | |
|---|
| 200 | DO k = nzb, nzt+1 |
|---|
| 201 | IF ( highheight < zu(k) ) THEN |
|---|
| 202 | lowheight = highheight |
|---|
| 203 | lowtnudge = hightnudge |
|---|
| 204 | lowunudge = highunudge |
|---|
| 205 | lowvnudge = highvnudge |
|---|
| 206 | lowwnudge = highwnudge |
|---|
| 207 | lowptnudge = highptnudge |
|---|
| 208 | lowqnudge = highqnudge |
|---|
| 209 | |
|---|
| 210 | ierrn = 0 |
|---|
| 211 | READ ( finput, *, IOSTAT=ierrn ) highheight , hightnudge , & |
|---|
| 212 | highunudge , highvnudge , & |
|---|
| 213 | highwnudge , highptnudge, & |
|---|
| 214 | highqnudge |
|---|
| 215 | IF (ierrn /= 0 ) THEN |
|---|
| 216 | WRITE( message_string, * ) 'zu(nzt+1) = ', zu(nzt+1), 'm is ',& |
|---|
| 217 | 'higher than the maximum height in NUDING_DATA which ', & |
|---|
| 218 | 'is ', lowheight, 'm. Interpolation on PALM ', & |
|---|
| 219 | 'grid is not possible.' |
|---|
| 220 | CALL message( 'nudging', 'PA0364', 1, 2, 0, 6, 0 ) |
|---|
| 221 | ENDIF |
|---|
| 222 | ENDIF |
|---|
| 223 | |
|---|
| 224 | ! |
|---|
| 225 | !-- Interpolation of prescribed profiles in space |
|---|
| 226 | |
|---|
| 227 | fac = ( highheight - zu(k) ) / ( highheight - lowheight ) |
|---|
| 228 | |
|---|
| 229 | tnudge(k,nt) = fac * lowtnudge + ( 1.0_wp - fac ) * hightnudge |
|---|
| 230 | unudge(k,nt) = fac * lowunudge + ( 1.0_wp - fac ) * highunudge |
|---|
| 231 | vnudge(k,nt) = fac * lowvnudge + ( 1.0_wp - fac ) * highvnudge |
|---|
| 232 | wnudge(k,nt) = fac * lowwnudge + ( 1.0_wp - fac ) * highwnudge |
|---|
| 233 | ptnudge(k,nt) = fac * lowptnudge + ( 1.0_wp - fac ) * highptnudge |
|---|
| 234 | qnudge(k,nt) = fac * lowqnudge + ( 1.0_wp - fac ) * highqnudge |
|---|
| 235 | ENDDO |
|---|
| 236 | |
|---|
| 237 | ENDDO rloop |
|---|
| 238 | |
|---|
| 239 | CLOSE ( finput ) |
|---|
| 240 | |
|---|
| 241 | ! |
|---|
| 242 | !-- Prevent nudging if nudging profiles exhibt too small values |
|---|
| 243 | !-- not used so far |
|---|
| 244 | lptnudge = ANY( ABS( ptnudge ) > 1.0e-8_wp ) |
|---|
| 245 | lqnudge = ANY( ABS( qnudge ) > 1.0e-8_wp ) |
|---|
| 246 | lunudge = ANY( ABS( unudge ) > 1.0e-8_wp ) |
|---|
| 247 | lvnudge = ANY( ABS( vnudge ) > 1.0e-8_wp ) |
|---|
| 248 | lwnudge = ANY( ABS( wnudge ) > 1.0e-8_wp ) |
|---|
| 249 | |
|---|
| 250 | END SUBROUTINE init_nudge |
|---|
| 251 | |
|---|
| 252 | |
|---|
| 253 | SUBROUTINE calc_tnudge ( time ) |
|---|
| 254 | |
|---|
| 255 | USE arrays_3d, & |
|---|
| 256 | ONLY: timenudge, tmp_tnudge, tnudge |
|---|
| 257 | |
|---|
| 258 | USE control_parameters, & |
|---|
| 259 | ONLY: dt_3d |
|---|
| 260 | |
|---|
| 261 | USE indices, & |
|---|
| 262 | ONLY: nzb, nzt |
|---|
| 263 | |
|---|
| 264 | USE kinds |
|---|
| 265 | |
|---|
| 266 | IMPLICIT NONE |
|---|
| 267 | |
|---|
| 268 | |
|---|
| 269 | REAL(wp) :: dtm !: |
|---|
| 270 | REAL(wp) :: dtp !: |
|---|
| 271 | REAL(wp) :: time !: |
|---|
| 272 | |
|---|
| 273 | INTEGER(iwp) :: k !: |
|---|
| 274 | INTEGER(iwp) :: nt !: |
|---|
| 275 | |
|---|
| 276 | nt = 1 |
|---|
| 277 | DO WHILE ( time > timenudge(nt) ) |
|---|
| 278 | nt = nt+1 |
|---|
| 279 | ENDDO |
|---|
| 280 | IF ( time /= timenudge(1) ) THEN |
|---|
| 281 | nt = nt-1 |
|---|
| 282 | ENDIF |
|---|
| 283 | |
|---|
| 284 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
|---|
| 285 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
|---|
| 286 | |
|---|
| 287 | DO k = nzb, nzt |
|---|
| 288 | tmp_tnudge(k) = MAX( dt_3d, tnudge(k,nt) * dtp + tnudge(k,nt+1) * dtm ) |
|---|
| 289 | ENDDO |
|---|
| 290 | |
|---|
| 291 | END SUBROUTINE calc_tnudge |
|---|
| 292 | |
|---|
| 293 | !------------------------------------------------------------------------------! |
|---|
| 294 | ! Call for all grid points |
|---|
| 295 | !------------------------------------------------------------------------------! |
|---|
| 296 | SUBROUTINE nudge ( time, prog_var ) |
|---|
| 297 | |
|---|
| 298 | USE arrays_3d, & |
|---|
| 299 | ONLY: pt, ptnudge, q, qnudge, tend, timenudge, tmp_tnudge, tnudge, & |
|---|
| 300 | u, unudge, v, vnudge |
|---|
| 301 | |
|---|
| 302 | USE control_parameters, & |
|---|
| 303 | ONLY: dt_3d, intermediate_timestep_count, message_string |
|---|
| 304 | |
|---|
| 305 | USE indices, & |
|---|
| 306 | ONLY: nxl, nxr, nys, nyn, nzb, nzb_u_inner, nzt |
|---|
| 307 | |
|---|
| 308 | USE kinds |
|---|
| 309 | |
|---|
| 310 | USE statistics, & |
|---|
| 311 | ONLY: hom, sums_ls_l, weight_substep |
|---|
| 312 | |
|---|
| 313 | IMPLICIT NONE |
|---|
| 314 | |
|---|
| 315 | CHARACTER (LEN=*) :: prog_var !: |
|---|
| 316 | |
|---|
| 317 | REAL(wp) :: tmp_tend !: |
|---|
| 318 | REAL(wp) :: dtm !: |
|---|
| 319 | REAL(wp) :: dtp !: |
|---|
| 320 | REAL(wp) :: time !: |
|---|
| 321 | |
|---|
| 322 | INTEGER(iwp) :: i !: |
|---|
| 323 | INTEGER(iwp) :: j !: |
|---|
| 324 | INTEGER(iwp) :: k !: |
|---|
| 325 | INTEGER(iwp) :: nt !: |
|---|
| 326 | |
|---|
| 327 | |
|---|
| 328 | nt = 1 |
|---|
| 329 | DO WHILE ( time > timenudge(nt) ) |
|---|
| 330 | nt = nt+1 |
|---|
| 331 | ENDDO |
|---|
| 332 | IF ( time /= timenudge(1) ) THEN |
|---|
| 333 | nt = nt-1 |
|---|
| 334 | ENDIF |
|---|
| 335 | |
|---|
| 336 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
|---|
| 337 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
|---|
| 338 | |
|---|
| 339 | SELECT CASE ( prog_var ) |
|---|
| 340 | |
|---|
| 341 | CASE ( 'u' ) |
|---|
| 342 | |
|---|
| 343 | DO i = nxl, nxr |
|---|
| 344 | DO j = nys, nyn |
|---|
| 345 | |
|---|
| 346 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 347 | |
|---|
| 348 | tmp_tend = - ( hom(k,1,1,0) - ( unudge(k,nt) * dtp + & |
|---|
| 349 | unudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
|---|
| 350 | |
|---|
| 351 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
|---|
| 352 | |
|---|
| 353 | sums_ls_l(k,6) = sums_ls_l(k,6) + tmp_tend * & |
|---|
| 354 | weight_substep(intermediate_timestep_count) |
|---|
| 355 | ENDDO |
|---|
| 356 | |
|---|
| 357 | sums_ls_l(nzt+1,6) = sums_ls_l(nzt,6) |
|---|
| 358 | |
|---|
| 359 | ENDDO |
|---|
| 360 | ENDDO |
|---|
| 361 | |
|---|
| 362 | CASE ( 'v' ) |
|---|
| 363 | |
|---|
| 364 | DO i = nxl, nxr |
|---|
| 365 | DO j = nys, nyn |
|---|
| 366 | |
|---|
| 367 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 368 | |
|---|
| 369 | tmp_tend = - ( hom(k,1,2,0) - ( vnudge(k,nt) * dtp + & |
|---|
| 370 | vnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
|---|
| 371 | |
|---|
| 372 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
|---|
| 373 | |
|---|
| 374 | sums_ls_l(k,7) = sums_ls_l(k,7) + tmp_tend * & |
|---|
| 375 | weight_substep(intermediate_timestep_count) |
|---|
| 376 | ENDDO |
|---|
| 377 | |
|---|
| 378 | sums_ls_l(nzt+1,7) = sums_ls_l(nzt,7) |
|---|
| 379 | |
|---|
| 380 | ENDDO |
|---|
| 381 | ENDDO |
|---|
| 382 | |
|---|
| 383 | CASE ( 'pt' ) |
|---|
| 384 | |
|---|
| 385 | DO i = nxl, nxr |
|---|
| 386 | DO j = nys, nyn |
|---|
| 387 | |
|---|
| 388 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 389 | |
|---|
| 390 | tmp_tend = - ( hom(k,1,4,0) - ( ptnudge(k,nt) * dtp + & |
|---|
| 391 | ptnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
|---|
| 392 | |
|---|
| 393 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
|---|
| 394 | |
|---|
| 395 | sums_ls_l(k,4) = sums_ls_l(k,4) + tmp_tend * & |
|---|
| 396 | weight_substep(intermediate_timestep_count) |
|---|
| 397 | ENDDO |
|---|
| 398 | |
|---|
| 399 | sums_ls_l(nzt+1,4) = sums_ls_l(nzt,4) |
|---|
| 400 | |
|---|
| 401 | ENDDO |
|---|
| 402 | ENDDO |
|---|
| 403 | |
|---|
| 404 | CASE ( 'q' ) |
|---|
| 405 | |
|---|
| 406 | DO i = nxl, nxr |
|---|
| 407 | DO j = nys, nyn |
|---|
| 408 | |
|---|
| 409 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 410 | |
|---|
| 411 | tmp_tend = - ( hom(k,1,41,0) - ( qnudge(k,nt) * dtp + & |
|---|
| 412 | qnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
|---|
| 413 | |
|---|
| 414 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
|---|
| 415 | |
|---|
| 416 | sums_ls_l(k,5) = sums_ls_l(k,5) + tmp_tend * & |
|---|
| 417 | weight_substep(intermediate_timestep_count) |
|---|
| 418 | ENDDO |
|---|
| 419 | |
|---|
| 420 | sums_ls_l(nzt+1,5) = sums_ls_l(nzt,5) |
|---|
| 421 | |
|---|
| 422 | ENDDO |
|---|
| 423 | ENDDO |
|---|
| 424 | |
|---|
| 425 | CASE DEFAULT |
|---|
| 426 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
|---|
| 427 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
|---|
| 428 | |
|---|
| 429 | END SELECT |
|---|
| 430 | |
|---|
| 431 | END SUBROUTINE nudge |
|---|
| 432 | |
|---|
| 433 | |
|---|
| 434 | !------------------------------------------------------------------------------! |
|---|
| 435 | ! Call for grid point i,j |
|---|
| 436 | !------------------------------------------------------------------------------! |
|---|
| 437 | |
|---|
| 438 | SUBROUTINE nudge_ij( i, j, time, prog_var ) |
|---|
| 439 | |
|---|
| 440 | USE arrays_3d, & |
|---|
| 441 | ONLY: pt, ptnudge, q, qnudge, tend, timenudge, tmp_tnudge, tnudge, & |
|---|
| 442 | u, unudge, v, vnudge |
|---|
| 443 | |
|---|
| 444 | USE control_parameters, & |
|---|
| 445 | ONLY: dt_3d, intermediate_timestep_count, message_string |
|---|
| 446 | |
|---|
| 447 | USE indices, & |
|---|
| 448 | ONLY: nxl, nxr, nys, nyn, nzb, nzb_u_inner, nzt |
|---|
| 449 | |
|---|
| 450 | USE kinds |
|---|
| 451 | |
|---|
| 452 | USE statistics, & |
|---|
| 453 | ONLY: hom, sums_ls_l, weight_substep |
|---|
| 454 | |
|---|
| 455 | IMPLICIT NONE |
|---|
| 456 | |
|---|
| 457 | |
|---|
| 458 | CHARACTER (LEN=*) :: prog_var !: |
|---|
| 459 | |
|---|
| 460 | REAL(wp) :: tmp_tend !: |
|---|
| 461 | REAL(wp) :: dtm !: |
|---|
| 462 | REAL(wp) :: dtp !: |
|---|
| 463 | REAL(wp) :: time !: |
|---|
| 464 | |
|---|
| 465 | INTEGER(iwp) :: i !: |
|---|
| 466 | INTEGER(iwp) :: j !: |
|---|
| 467 | INTEGER(iwp) :: k !: |
|---|
| 468 | INTEGER(iwp) :: nt !: |
|---|
| 469 | |
|---|
| 470 | |
|---|
| 471 | nt = 1 |
|---|
| 472 | DO WHILE ( time > timenudge(nt) ) |
|---|
| 473 | nt = nt+1 |
|---|
| 474 | ENDDO |
|---|
| 475 | IF ( time /= timenudge(1) ) THEN |
|---|
| 476 | nt = nt-1 |
|---|
| 477 | ENDIF |
|---|
| 478 | |
|---|
| 479 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
|---|
| 480 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
|---|
| 481 | |
|---|
| 482 | SELECT CASE ( prog_var ) |
|---|
| 483 | |
|---|
| 484 | CASE ( 'u' ) |
|---|
| 485 | |
|---|
| 486 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 487 | |
|---|
| 488 | tmp_tend = - ( hom(k,1,1,0) - ( unudge(k,nt) * dtp + & |
|---|
| 489 | unudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
|---|
| 490 | |
|---|
| 491 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
|---|
| 492 | |
|---|
| 493 | sums_ls_l(k,6) = sums_ls_l(k,6) + tmp_tend & |
|---|
| 494 | * weight_substep(intermediate_timestep_count) |
|---|
| 495 | ENDDO |
|---|
| 496 | |
|---|
| 497 | sums_ls_l(nzt+1,6) = sums_ls_l(nzt,6) |
|---|
| 498 | |
|---|
| 499 | CASE ( 'v' ) |
|---|
| 500 | |
|---|
| 501 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 502 | |
|---|
| 503 | tmp_tend = - ( hom(k,1,2,0) - ( vnudge(k,nt) * dtp + & |
|---|
| 504 | vnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
|---|
| 505 | |
|---|
| 506 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
|---|
| 507 | |
|---|
| 508 | sums_ls_l(k,7) = sums_ls_l(k,7) + tmp_tend & |
|---|
| 509 | * weight_substep(intermediate_timestep_count) |
|---|
| 510 | ENDDO |
|---|
| 511 | |
|---|
| 512 | sums_ls_l(nzt+1,7) = sums_ls_l(nzt,7) |
|---|
| 513 | |
|---|
| 514 | CASE ( 'pt' ) |
|---|
| 515 | |
|---|
| 516 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 517 | |
|---|
| 518 | tmp_tend = - ( hom(k,1,4,0) - ( ptnudge(k,nt) * dtp + & |
|---|
| 519 | ptnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
|---|
| 520 | |
|---|
| 521 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
|---|
| 522 | |
|---|
| 523 | sums_ls_l(k,4) = sums_ls_l(k,4) + tmp_tend & |
|---|
| 524 | * weight_substep(intermediate_timestep_count) |
|---|
| 525 | ENDDO |
|---|
| 526 | |
|---|
| 527 | sums_ls_l(nzt+1,4) = sums_ls_l(nzt,4) |
|---|
| 528 | |
|---|
| 529 | |
|---|
| 530 | CASE ( 'q' ) |
|---|
| 531 | |
|---|
| 532 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 533 | |
|---|
| 534 | tmp_tend = - ( hom(k,1,41,0) - ( qnudge(k,nt) * dtp + & |
|---|
| 535 | qnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
|---|
| 536 | |
|---|
| 537 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
|---|
| 538 | |
|---|
| 539 | sums_ls_l(k,5) = sums_ls_l(k,5) + tmp_tend & |
|---|
| 540 | * weight_substep(intermediate_timestep_count) |
|---|
| 541 | ENDDO |
|---|
| 542 | |
|---|
| 543 | sums_ls_l(nzt+1,5) = sums_ls_l(nzt,5) |
|---|
| 544 | |
|---|
| 545 | CASE DEFAULT |
|---|
| 546 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
|---|
| 547 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
|---|
| 548 | |
|---|
| 549 | END SELECT |
|---|
| 550 | |
|---|
| 551 | |
|---|
| 552 | END SUBROUTINE nudge_ij |
|---|
| 553 | |
|---|
| 554 | |
|---|
| 555 | SUBROUTINE nudge_ref ( time ) |
|---|
| 556 | |
|---|
| 557 | USE arrays_3d, & |
|---|
| 558 | ONLY: time_vert, ptnudge, pt_init, qnudge, q_init, unudge, u_init, & |
|---|
| 559 | vnudge, v_init |
|---|
| 560 | |
|---|
| 561 | USE kinds |
|---|
| 562 | |
|---|
| 563 | |
|---|
| 564 | IMPLICIT NONE |
|---|
| 565 | |
|---|
| 566 | INTEGER(iwp) :: nt !: |
|---|
| 567 | |
|---|
| 568 | REAL(wp) :: fac !: |
|---|
| 569 | REAL(wp), INTENT(in) :: time !: |
|---|
| 570 | |
|---|
| 571 | ! |
|---|
| 572 | !-- Interpolation in time of NUDGING_DATA for pt_init and q_init. This is |
|---|
| 573 | !-- needed for correct upper boundary conditions for pt and q and in case that |
|---|
| 574 | ! large scale subsidence as well as scalar Rayleigh-damping are used |
|---|
| 575 | nt = 1 |
|---|
| 576 | DO WHILE ( time > time_vert(nt) ) |
|---|
| 577 | nt = nt + 1 |
|---|
| 578 | ENDDO |
|---|
| 579 | IF ( time /= time_vert(nt) ) THEN |
|---|
| 580 | nt = nt - 1 |
|---|
| 581 | ENDIF |
|---|
| 582 | |
|---|
| 583 | fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) ) |
|---|
| 584 | |
|---|
| 585 | pt_init = ptnudge(:,nt) + fac * ( ptnudge(:,nt+1) - ptnudge(:,nt) ) |
|---|
| 586 | q_init = qnudge(:,nt) + fac * ( qnudge(:,nt+1) - qnudge(:,nt) ) |
|---|
| 587 | u_init = unudge(:,nt) + fac * ( unudge(:,nt+1) - unudge(:,nt) ) |
|---|
| 588 | v_init = vnudge(:,nt) + fac * ( vnudge(:,nt+1) - vnudge(:,nt) ) |
|---|
| 589 | |
|---|
| 590 | END SUBROUTINE nudge_ref |
|---|
| 591 | |
|---|
| 592 | END MODULE nudge_mod |
|---|
