| 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 1997-2012 Leibniz University Hannover |
|---|
| 18 | !--------------------------------------------------------------------------------! |
|---|
| 19 | ! |
|---|
| 20 | ! Current revisions: |
|---|
| 21 | ! ------------------ |
|---|
| 22 | ! |
|---|
| 23 | ! |
|---|
| 24 | ! Former revisions: |
|---|
| 25 | ! ----------------- |
|---|
| 26 | ! $Id: nudging.f90 1242 2013-10-30 11:50:11Z heinze $ |
|---|
| 27 | ! |
|---|
| 28 | ! 1241 2013-10-30 11:36:58Z heinze |
|---|
| 29 | ! Initial revision |
|---|
| 30 | ! |
|---|
| 31 | ! Description: |
|---|
| 32 | ! ------------ |
|---|
| 33 | ! Nudges u, v, pt and q to given profiles on a relaxation timescale tnudge. |
|---|
| 34 | ! Profiles are read in from NUDGIN_DATA. Code is based on Neggers et al. (2012) |
|---|
| 35 | ! and also part of DALES and UCLA-LES. |
|---|
| 36 | !--------------------------------------------------------------------------------! |
|---|
| 37 | |
|---|
| 38 | PRIVATE |
|---|
| 39 | PUBLIC init_nudge, nudge |
|---|
| 40 | SAVE |
|---|
| 41 | |
|---|
| 42 | INTERFACE nudge |
|---|
| 43 | MODULE PROCEDURE nudge |
|---|
| 44 | MODULE PROCEDURE nudge_ij |
|---|
| 45 | END INTERFACE nudge |
|---|
| 46 | |
|---|
| 47 | CONTAINS |
|---|
| 48 | |
|---|
| 49 | SUBROUTINE init_nudge |
|---|
| 50 | |
|---|
| 51 | USE arrays_3d |
|---|
| 52 | USE control_parameters |
|---|
| 53 | USE cpulog |
|---|
| 54 | USE indices |
|---|
| 55 | USE interfaces |
|---|
| 56 | USE pegrid |
|---|
| 57 | USE user |
|---|
| 58 | |
|---|
| 59 | IMPLICIT NONE |
|---|
| 60 | |
|---|
| 61 | INTEGER :: finput = 90, ierrn, k, t |
|---|
| 62 | |
|---|
| 63 | CHARACTER(1) :: hash |
|---|
| 64 | REAL :: highheight, highqnudge, highptnudge, highunudge, highvnudge, & |
|---|
| 65 | highwnudge, hightnudge |
|---|
| 66 | REAL :: lowheight, lowqnudge, lowptnudge, lowunudge, lowvnudge, & |
|---|
| 67 | lowwnudge, lowtnudge |
|---|
| 68 | REAL :: fac |
|---|
| 69 | |
|---|
| 70 | ALLOCATE( ptnudge(nzb:nzt+1,1:ntnudge), qnudge(nzb:nzt+1,1:ntnudge), & |
|---|
| 71 | tnudge(nzb:nzt+1,1:ntnudge), unudge(nzb:nzt+1,1:ntnudge), & |
|---|
| 72 | vnudge(nzb:nzt+1,1:ntnudge), wnudge(nzb:nzt+1,1:ntnudge) ) |
|---|
| 73 | |
|---|
| 74 | ALLOCATE( timenudge(0:ntnudge) ) |
|---|
| 75 | |
|---|
| 76 | |
|---|
| 77 | ptnudge = 0.0; qnudge = 0.0; tnudge = 0.0; unudge = 0.0 |
|---|
| 78 | vnudge = 0.0; wnudge = 0.0; timenudge = 0.0 |
|---|
| 79 | |
|---|
| 80 | t = 0 |
|---|
| 81 | OPEN (finput, FILE='NUDGING_DATA', STATUS='OLD', & |
|---|
| 82 | FORM='FORMATTED', IOSTAT=ierrn) |
|---|
| 83 | |
|---|
| 84 | IF (ierrn /= 0 ) THEN |
|---|
| 85 | message_string = 'file NUDGING_DATA does not exist' |
|---|
| 86 | CALL message( 'nudging', 'PA0365', 1, 2, 0, 6, 0 ) |
|---|
| 87 | ENDIF |
|---|
| 88 | |
|---|
| 89 | ierrn = 0 |
|---|
| 90 | |
|---|
| 91 | rloop:DO |
|---|
| 92 | t = t + 1 |
|---|
| 93 | hash = "#" |
|---|
| 94 | ierrn = 1 ! not zero |
|---|
| 95 | ! |
|---|
| 96 | !-- Search for the next line consisting of "# time", |
|---|
| 97 | !-- from there onwards the profiles will be read |
|---|
| 98 | DO WHILE ( .NOT. ( hash == "#" .AND. ierrn == 0 ) ) |
|---|
| 99 | |
|---|
| 100 | READ( finput, *, IOSTAT=ierrn ) hash, timenudge(t) |
|---|
| 101 | IF ( ierrn < 0 ) EXIT rloop |
|---|
| 102 | |
|---|
| 103 | ENDDO |
|---|
| 104 | |
|---|
| 105 | ierrn = 0 |
|---|
| 106 | READ( finput, *, IOSTAT=ierrn ) lowheight, lowtnudge, lowunudge, & |
|---|
| 107 | lowvnudge, lowwnudge , lowptnudge, & |
|---|
| 108 | lowqnudge |
|---|
| 109 | |
|---|
| 110 | IF (ierrn /= 0 ) THEN |
|---|
| 111 | message_string = 'errors in file NUDGING_DATA' |
|---|
| 112 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
|---|
| 113 | ENDIF |
|---|
| 114 | |
|---|
| 115 | ierrn = 0 |
|---|
| 116 | READ( finput, *, IOSTAT=ierrn ) highheight, hightnudge, highunudge, & |
|---|
| 117 | highvnudge, highwnudge , highptnudge, & |
|---|
| 118 | highqnudge |
|---|
| 119 | |
|---|
| 120 | IF (ierrn /= 0 ) THEN |
|---|
| 121 | message_string = 'errors in file NUDGING_DATA' |
|---|
| 122 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
|---|
| 123 | ENDIF |
|---|
| 124 | |
|---|
| 125 | DO k = nzb, nzt+1 |
|---|
| 126 | IF ( highheight < zu(k) ) THEN |
|---|
| 127 | lowheight = highheight |
|---|
| 128 | lowtnudge = hightnudge |
|---|
| 129 | lowunudge = highunudge |
|---|
| 130 | lowvnudge = highvnudge |
|---|
| 131 | lowwnudge = highwnudge |
|---|
| 132 | lowptnudge = highptnudge |
|---|
| 133 | lowqnudge = highqnudge |
|---|
| 134 | |
|---|
| 135 | ierrn = 0 |
|---|
| 136 | READ( finput, *, IOSTAT=ierrn ) highheight , hightnudge , & |
|---|
| 137 | highunudge , highvnudge , & |
|---|
| 138 | highwnudge , highptnudge, & |
|---|
| 139 | highqnudge |
|---|
| 140 | IF (ierrn /= 0 ) THEN |
|---|
| 141 | message_string = 'errors in file NUDGING_DATA' |
|---|
| 142 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
|---|
| 143 | ENDIF |
|---|
| 144 | ENDIF |
|---|
| 145 | |
|---|
| 146 | ! |
|---|
| 147 | !-- Interpolation of prescribed profiles in space |
|---|
| 148 | |
|---|
| 149 | fac = (highheight-zu(k))/(highheight - lowheight) |
|---|
| 150 | |
|---|
| 151 | tnudge(k,t) = fac * lowtnudge + (1-fac) * hightnudge |
|---|
| 152 | unudge(k,t) = fac * lowunudge + (1-fac) * highunudge |
|---|
| 153 | vnudge(k,t) = fac * lowvnudge + (1-fac) * highvnudge |
|---|
| 154 | wnudge(k,t) = fac * lowwnudge + (1-fac) * highwnudge |
|---|
| 155 | ptnudge(k,t) = fac * lowptnudge + (1-fac) * highptnudge |
|---|
| 156 | qnudge(k,t) = fac * lowqnudge + (1-fac) * highqnudge |
|---|
| 157 | ENDDO |
|---|
| 158 | |
|---|
| 159 | ENDDO rloop |
|---|
| 160 | |
|---|
| 161 | CLOSE( finput ) |
|---|
| 162 | |
|---|
| 163 | ! |
|---|
| 164 | !-- Prevent nudging if nudging profiles exhibt too small values |
|---|
| 165 | !-- not used so far |
|---|
| 166 | lptnudge = ANY( ABS( ptnudge ) > 1e-8 ) |
|---|
| 167 | lqnudge = ANY( ABS( qnudge ) > 1e-8 ) |
|---|
| 168 | lunudge = ANY( ABS( unudge ) > 1e-8 ) |
|---|
| 169 | lvnudge = ANY( ABS( vnudge ) > 1e-8 ) |
|---|
| 170 | lwnudge = ANY( ABS( wnudge ) > 1e-8 ) |
|---|
| 171 | |
|---|
| 172 | END SUBROUTINE init_nudge |
|---|
| 173 | |
|---|
| 174 | !------------------------------------------------------------------------------! |
|---|
| 175 | ! Call for all grid points |
|---|
| 176 | !------------------------------------------------------------------------------! |
|---|
| 177 | SUBROUTINE nudge ( time, prog_var ) |
|---|
| 178 | |
|---|
| 179 | USE arrays_3d |
|---|
| 180 | USE buoyancy_mod |
|---|
| 181 | USE control_parameters |
|---|
| 182 | USE cpulog |
|---|
| 183 | USE indices |
|---|
| 184 | USE interfaces |
|---|
| 185 | USE pegrid |
|---|
| 186 | USE statistics |
|---|
| 187 | USE user |
|---|
| 188 | |
|---|
| 189 | IMPLICIT NONE |
|---|
| 190 | |
|---|
| 191 | CHARACTER (LEN=*) :: prog_var |
|---|
| 192 | |
|---|
| 193 | REAL :: currtnudge, dtm, dtp, time |
|---|
| 194 | |
|---|
| 195 | INTEGER :: i, j, k, t |
|---|
| 196 | |
|---|
| 197 | |
|---|
| 198 | SELECT CASE ( prog_var ) |
|---|
| 199 | |
|---|
| 200 | CASE ( 'u' ) |
|---|
| 201 | |
|---|
| 202 | CALL calc_mean_profile( u, 1, 'nudging' ) |
|---|
| 203 | |
|---|
| 204 | DO i = nxl, nxr |
|---|
| 205 | DO j = nys, nyn |
|---|
| 206 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 207 | |
|---|
| 208 | currtnudge = MAX( dt_3d, tnudge(k,t) * dtp + & |
|---|
| 209 | tnudge(k,t+1) * dtm ) |
|---|
| 210 | |
|---|
| 211 | |
|---|
| 212 | tend(k,j,i) = tend(k,j,i) - ( hom(k,1,1,0) - & |
|---|
| 213 | ( unudge(k,t) * dtp + & |
|---|
| 214 | unudge(k,t+1) * dtm ) ) / currtnudge |
|---|
| 215 | ENDDO |
|---|
| 216 | ENDDO |
|---|
| 217 | ENDDO |
|---|
| 218 | |
|---|
| 219 | CASE ( 'v' ) |
|---|
| 220 | |
|---|
| 221 | CALL calc_mean_profile( v, 2, 'nudging' ) |
|---|
| 222 | |
|---|
| 223 | DO i = nxl, nxr |
|---|
| 224 | DO j = nys, nyn |
|---|
| 225 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 226 | |
|---|
| 227 | currtnudge = MAX( dt_3d, tnudge(k,t) * dtp + & |
|---|
| 228 | tnudge(k,t+1) * dtm ) |
|---|
| 229 | |
|---|
| 230 | |
|---|
| 231 | tend(k,j,i) = tend(k,j,i) - ( hom(k,1,2,0) - & |
|---|
| 232 | ( vnudge(k,t) * dtp + & |
|---|
| 233 | vnudge(k,t+1) * dtm ) ) / currtnudge |
|---|
| 234 | ENDDO |
|---|
| 235 | ENDDO |
|---|
| 236 | ENDDO |
|---|
| 237 | |
|---|
| 238 | CASE ( 'pt' ) |
|---|
| 239 | |
|---|
| 240 | CALL calc_mean_profile( v, 4, 'nudging' ) |
|---|
| 241 | |
|---|
| 242 | DO i = nxl, nxr |
|---|
| 243 | DO j = nys, nyn |
|---|
| 244 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 245 | |
|---|
| 246 | currtnudge = MAX( dt_3d, tnudge(k,t) * dtp + & |
|---|
| 247 | tnudge(k,t+1) * dtm ) |
|---|
| 248 | |
|---|
| 249 | |
|---|
| 250 | tend(k,j,i) = tend(k,j,i) - ( hom(k,1,4,0) - & |
|---|
| 251 | ( ptnudge(k,t) * dtp + & |
|---|
| 252 | ptnudge(k,t+1) * dtm ) ) / currtnudge |
|---|
| 253 | ENDDO |
|---|
| 254 | ENDDO |
|---|
| 255 | ENDDO |
|---|
| 256 | |
|---|
| 257 | CASE ( 'q' ) |
|---|
| 258 | |
|---|
| 259 | CALL calc_mean_profile( v, 41, 'nudging' ) |
|---|
| 260 | |
|---|
| 261 | DO i = nxl, nxr |
|---|
| 262 | DO j = nys, nyn |
|---|
| 263 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 264 | |
|---|
| 265 | currtnudge = MAX( dt_3d, tnudge(k,t) * dtp + & |
|---|
| 266 | tnudge(k,t+1) * dtm ) |
|---|
| 267 | |
|---|
| 268 | |
|---|
| 269 | tend(k,j,i) = tend(k,j,i) - ( hom(k,1,41,0) - & |
|---|
| 270 | ( qnudge(k,t) * dtp + & |
|---|
| 271 | qnudge(k,t+1) * dtm ) ) / currtnudge |
|---|
| 272 | ENDDO |
|---|
| 273 | ENDDO |
|---|
| 274 | ENDDO |
|---|
| 275 | |
|---|
| 276 | CASE DEFAULT |
|---|
| 277 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
|---|
| 278 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
|---|
| 279 | |
|---|
| 280 | END SELECT |
|---|
| 281 | |
|---|
| 282 | END SUBROUTINE nudge |
|---|
| 283 | |
|---|
| 284 | |
|---|
| 285 | !------------------------------------------------------------------------------! |
|---|
| 286 | ! Call for grid point i,j |
|---|
| 287 | !------------------------------------------------------------------------------! |
|---|
| 288 | |
|---|
| 289 | SUBROUTINE nudge_ij( i, j, time, prog_var ) |
|---|
| 290 | |
|---|
| 291 | USE arrays_3d |
|---|
| 292 | USE buoyancy_mod |
|---|
| 293 | USE control_parameters |
|---|
| 294 | USE cpulog |
|---|
| 295 | USE indices |
|---|
| 296 | USE interfaces |
|---|
| 297 | USE pegrid |
|---|
| 298 | USE statistics |
|---|
| 299 | USE user |
|---|
| 300 | |
|---|
| 301 | IMPLICIT NONE |
|---|
| 302 | |
|---|
| 303 | CHARACTER (LEN=*) :: prog_var |
|---|
| 304 | |
|---|
| 305 | REAL :: currtnudge, dtm, dtp, time |
|---|
| 306 | |
|---|
| 307 | INTEGER :: i, j, k, t |
|---|
| 308 | |
|---|
| 309 | |
|---|
| 310 | t = 1 |
|---|
| 311 | DO WHILE ( time > timenudge(t) ) |
|---|
| 312 | t = t+1 |
|---|
| 313 | ENDDO |
|---|
| 314 | IF ( time /= timenudge(1) ) THEN |
|---|
| 315 | t = t-1 |
|---|
| 316 | ENDIF |
|---|
| 317 | |
|---|
| 318 | dtm = ( time - timenudge(t) ) / ( timenudge(t+1) - timenudge(t) ) |
|---|
| 319 | dtp = ( timenudge(t+1) - time ) / ( timenudge(t+1) - timenudge(t) ) |
|---|
| 320 | |
|---|
| 321 | SELECT CASE ( prog_var ) |
|---|
| 322 | |
|---|
| 323 | CASE ( 'u' ) |
|---|
| 324 | |
|---|
| 325 | CALL calc_mean_profile( u, 1, 'nudging' ) |
|---|
| 326 | |
|---|
| 327 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 328 | |
|---|
| 329 | currtnudge = MAX( dt_3d, tnudge(k,t) * dtp + tnudge(k,t+1) * dtm ) |
|---|
| 330 | |
|---|
| 331 | !IF ((myid ==0 .AND. k==2) .AND. (i==1 .AND. j==1)) THEN |
|---|
| 332 | ! PRINT*, time, dt_3d, intermediate_timestep_count, currtnudge, dtp, dtm |
|---|
| 333 | !ENDIF |
|---|
| 334 | |
|---|
| 335 | tend(k,j,i) = tend(k,j,i) - ( hom(k,1,1,0) - & |
|---|
| 336 | ( unudge(k,t) * dtp + & |
|---|
| 337 | unudge(k,t+1) * dtm ) ) / currtnudge |
|---|
| 338 | ENDDO |
|---|
| 339 | |
|---|
| 340 | CASE ( 'v' ) |
|---|
| 341 | |
|---|
| 342 | CALL calc_mean_profile( v, 2, 'nudging' ) |
|---|
| 343 | |
|---|
| 344 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 345 | |
|---|
| 346 | currtnudge = MAX( dt_3d, tnudge(k,t) * dtp + tnudge(k,t+1) * dtm ) |
|---|
| 347 | |
|---|
| 348 | tend(k,j,i) = tend(k,j,i) - ( hom(k,1,2,0) - & |
|---|
| 349 | ( vnudge(k,t) * dtp + & |
|---|
| 350 | vnudge(k,t+1) * dtm ) ) / currtnudge |
|---|
| 351 | ENDDO |
|---|
| 352 | |
|---|
| 353 | |
|---|
| 354 | CASE ( 'pt' ) |
|---|
| 355 | |
|---|
| 356 | CALL calc_mean_profile( pt, 4, 'nudging' ) |
|---|
| 357 | |
|---|
| 358 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 359 | |
|---|
| 360 | currtnudge = MAX( dt_3d, tnudge(k,t) * dtp + tnudge(k,t+1) * dtm ) |
|---|
| 361 | |
|---|
| 362 | tend(k,j,i) = tend(k,j,i) - ( hom(k,1,4,0) - & |
|---|
| 363 | ( ptnudge(k,t) * dtp + & |
|---|
| 364 | ptnudge(k,t+1) * dtm ) ) / currtnudge |
|---|
| 365 | ENDDO |
|---|
| 366 | |
|---|
| 367 | |
|---|
| 368 | CASE ( 'q' ) |
|---|
| 369 | |
|---|
| 370 | CALL calc_mean_profile( q, 41, 'nudging' ) |
|---|
| 371 | |
|---|
| 372 | DO k = nzb_u_inner(j,i)+1, nzt |
|---|
| 373 | |
|---|
| 374 | currtnudge = MAX( dt_3d, tnudge(k,t) * dtp + tnudge(k,t+1) * dtm ) |
|---|
| 375 | |
|---|
| 376 | tend(k,j,i) = tend(k,j,i) - ( hom(k,1,41,0) - & |
|---|
| 377 | ( qnudge(k,t) * dtp + & |
|---|
| 378 | qnudge(k,t+1) * dtm ) ) / currtnudge |
|---|
| 379 | ENDDO |
|---|
| 380 | |
|---|
| 381 | CASE DEFAULT |
|---|
| 382 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
|---|
| 383 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
|---|
| 384 | |
|---|
| 385 | END SELECT |
|---|
| 386 | |
|---|
| 387 | |
|---|
| 388 | END SUBROUTINE nudge_ij |
|---|
| 389 | |
|---|
| 390 | END MODULE nudge_mod |
|---|
