[12] | 1 | MODULE timeloop_gcm_mod |
---|
[151] | 2 | USE transfert_mod |
---|
| 3 | USE icosa |
---|
[133] | 4 | PRIVATE |
---|
[12] | 5 | |
---|
[151] | 6 | PUBLIC :: init_timeloop, timeloop |
---|
[133] | 7 | |
---|
| 8 | INTEGER, PARAMETER :: euler=1, rk4=2, mlf=3 |
---|
[148] | 9 | INTEGER :: itau_sync=10 |
---|
[133] | 10 | |
---|
[151] | 11 | TYPE(t_message) :: req_ps0, req_theta_rhodz0, req_u0, req_q0 |
---|
| 12 | |
---|
| 13 | TYPE(t_field),POINTER :: f_phis(:) |
---|
| 14 | TYPE(t_field),POINTER :: f_q(:) |
---|
| 15 | TYPE(t_field),POINTER :: f_dtheta(:), f_rhodz(:) |
---|
| 16 | TYPE(t_field),POINTER :: f_ps(:),f_psm1(:), f_psm2(:) |
---|
| 17 | TYPE(t_field),POINTER :: f_u(:),f_um1(:),f_um2(:) |
---|
| 18 | TYPE(t_field),POINTER :: f_theta_rhodz(:),f_theta_rhodzm1(:),f_theta_rhodzm2(:) |
---|
| 19 | TYPE(t_field),POINTER :: f_dps(:),f_dpsm1(:), f_dpsm2(:) |
---|
| 20 | TYPE(t_field),POINTER :: f_du(:),f_dum1(:),f_dum2(:) |
---|
| 21 | TYPE(t_field),POINTER :: f_dtheta_rhodz(:),f_dtheta_rhodzm1(:),f_dtheta_rhodzm2(:) |
---|
| 22 | TYPE(t_field),POINTER :: f_hflux(:), f_wflux(:), f_hfluxt(:), f_wfluxt(:) |
---|
| 23 | |
---|
| 24 | INTEGER :: nb_stage, matsuno_period, scheme |
---|
| 25 | |
---|
| 26 | REAL(rstd),SAVE :: jD_cur, jH_cur |
---|
| 27 | REAL(rstd),SAVE :: start_time |
---|
| 28 | |
---|
[12] | 29 | CONTAINS |
---|
| 30 | |
---|
[151] | 31 | SUBROUTINE init_timeloop |
---|
[19] | 32 | USE icosa |
---|
[15] | 33 | USE dissip_gcm_mod |
---|
[17] | 34 | USE caldyn_mod |
---|
[12] | 35 | USE etat0_mod |
---|
[17] | 36 | USE guided_mod |
---|
| 37 | USE advect_tracer_mod |
---|
[81] | 38 | USE physics_mod |
---|
[131] | 39 | USE mpipara |
---|
[151] | 40 | USE omp_para |
---|
[145] | 41 | USE trace |
---|
[148] | 42 | USE transfert_mod |
---|
[151] | 43 | USE check_conserve_mod |
---|
| 44 | USE ioipsl |
---|
[12] | 45 | IMPLICIT NONE |
---|
| 46 | |
---|
[151] | 47 | CHARACTER(len=255) :: scheme_name |
---|
[17] | 48 | |
---|
[151] | 49 | CALL allocate_field(f_dps,field_t,type_real) |
---|
| 50 | CALL allocate_field(f_du,field_u,type_real,llm) |
---|
| 51 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm) |
---|
[129] | 52 | ! Model state at current time step (RK/MLF/Euler) |
---|
[151] | 53 | CALL allocate_field(f_phis,field_t,type_real) |
---|
| 54 | CALL allocate_field(f_ps,field_t,type_real) |
---|
| 55 | CALL allocate_field(f_u,field_u,type_real,llm) |
---|
| 56 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm) |
---|
[129] | 57 | ! Model state at previous time step (RK/MLF) |
---|
[151] | 58 | CALL allocate_field(f_psm1,field_t,type_real) |
---|
| 59 | CALL allocate_field(f_um1,field_u,type_real,llm) |
---|
| 60 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm) |
---|
[129] | 61 | ! Tracers |
---|
[151] | 62 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot) |
---|
| 63 | CALL allocate_field(f_rhodz,field_t,type_real,llm) |
---|
[134] | 64 | ! Mass fluxes |
---|
[151] | 65 | CALL allocate_field(f_hflux,field_u,type_real,llm) ! instantaneous mass fluxes |
---|
| 66 | CALL allocate_field(f_wflux,field_t,type_real,llm+1) ! computed by caldyn |
---|
| 67 | CALL allocate_field(f_hfluxt,field_u,type_real,llm) ! mass "fluxes" accumulated in time |
---|
| 68 | CALL allocate_field(f_wfluxt,field_t,type_real,llm+1) |
---|
[129] | 69 | |
---|
[151] | 70 | |
---|
[149] | 71 | !---------------------------------------------------- |
---|
| 72 | IF (TRIM(time_style)=='lmd') Then |
---|
| 73 | |
---|
| 74 | day_step=180 |
---|
| 75 | CALL getin('day_step',day_step) |
---|
| 76 | |
---|
| 77 | ndays=1 |
---|
| 78 | CALL getin('ndays',ndays) |
---|
| 79 | |
---|
| 80 | dt = daysec/REAL(day_step) |
---|
| 81 | itaumax = ndays*day_step |
---|
| 82 | |
---|
| 83 | calend = 'earth_360d' |
---|
| 84 | CALL getin('calend', calend) |
---|
| 85 | |
---|
| 86 | day_ini = 0 |
---|
| 87 | CALL getin('day_ini',day_ini) |
---|
| 88 | |
---|
| 89 | day_end = 0 |
---|
| 90 | CALL getin('day_end',day_end) |
---|
| 91 | |
---|
| 92 | annee_ref = 1998 |
---|
| 93 | CALL getin('annee_ref',annee_ref) |
---|
| 94 | |
---|
| 95 | start_time = 0 |
---|
| 96 | CALL getin('start_time',start_time) |
---|
| 97 | |
---|
| 98 | write_period=0 |
---|
| 99 | CALL getin('write_period',write_period) |
---|
| 100 | |
---|
| 101 | write_period=write_period/scale_factor |
---|
| 102 | itau_out=FLOOR(write_period/dt) |
---|
| 103 | |
---|
| 104 | PRINT *, 'Output frequency (scaled) set to ',write_period, ' : itau_out = ',itau_out |
---|
| 105 | |
---|
| 106 | mois = 1 ; heure = 0. |
---|
| 107 | call ymds2ju(annee_ref, mois, day_ref, heure, jD_ref) |
---|
| 108 | jH_ref = jD_ref - int(jD_ref) |
---|
| 109 | jD_ref = int(jD_ref) |
---|
| 110 | |
---|
| 111 | CALL ioconf_startdate(INT(jD_ref),jH_ref) |
---|
| 112 | write(*,*)'annee_ref, mois, day_ref, heure, jD_ref' |
---|
| 113 | write(*,*)annee_ref, mois, day_ref, heure, jD_ref |
---|
| 114 | write(*,*)"ndays,day_step,itaumax,dt======>" |
---|
| 115 | write(*,*)ndays,day_step,itaumax,dt |
---|
| 116 | call ju2ymds(jD_ref+jH_ref,an, mois, jour, heure) |
---|
| 117 | write(*,*)'jD_ref+jH_ref,an, mois, jour, heure' |
---|
| 118 | write(*,*)jD_ref+jH_ref,an, mois, jour, heure |
---|
| 119 | day_end = day_ini + ndays |
---|
| 120 | END IF |
---|
| 121 | !---------------------------------------------------- |
---|
| 122 | |
---|
[129] | 123 | |
---|
[151] | 124 | |
---|
| 125 | |
---|
| 126 | |
---|
| 127 | scheme_name='runge_kutta' |
---|
| 128 | CALL getin('scheme',scheme_name) |
---|
| 129 | |
---|
| 130 | SELECT CASE (TRIM(scheme_name)) |
---|
| 131 | CASE('euler') |
---|
| 132 | scheme=euler |
---|
| 133 | nb_stage=1 |
---|
| 134 | CASE ('runge_kutta') |
---|
| 135 | scheme=rk4 |
---|
| 136 | nb_stage=4 |
---|
| 137 | CASE ('leapfrog_matsuno') |
---|
| 138 | scheme=mlf |
---|
| 139 | matsuno_period=5 |
---|
| 140 | CALL getin('matsuno_period',matsuno_period) |
---|
| 141 | nb_stage=matsuno_period+1 |
---|
[129] | 142 | ! Model state 2 time steps ago (MLF) |
---|
[151] | 143 | CALL allocate_field(f_psm2,field_t,type_real) |
---|
| 144 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
---|
| 145 | CALL allocate_field(f_um2,field_u,type_real,llm) |
---|
| 146 | CASE default |
---|
| 147 | PRINT*,'Bad selector for variable scheme : <', TRIM(scheme_name), & |
---|
| 148 | ' > options are <euler>, <runge_kutta>, <leapfrog_matsuno>' |
---|
| 149 | STOP |
---|
| 150 | END SELECT |
---|
| 151 | |
---|
| 152 | |
---|
| 153 | CALL init_dissip |
---|
| 154 | CALL init_caldyn |
---|
| 155 | CALL init_guided |
---|
| 156 | CALL init_advect_tracer |
---|
| 157 | CALL init_check_conserve |
---|
| 158 | CALL init_physics |
---|
| 159 | CALL etat0(f_ps,f_phis,f_theta_rhodz,f_u, f_q) |
---|
| 160 | |
---|
| 161 | CALL transfert_request(f_phis,req_i0) |
---|
| 162 | CALL transfert_request(f_phis,req_i1) |
---|
| 163 | CALL writefield("phis",f_phis,once=.TRUE.) |
---|
| 164 | |
---|
| 165 | CALL init_message(f_ps,req_i0,req_ps0) |
---|
| 166 | CALL init_message(f_theta_rhodz,req_i0,req_theta_rhodz0) |
---|
| 167 | CALL init_message(f_u,req_e0_vect,req_u0) |
---|
| 168 | CALL init_message(f_q,req_i0,req_q0) |
---|
| 169 | |
---|
| 170 | END SUBROUTINE init_timeloop |
---|
[12] | 171 | |
---|
[151] | 172 | SUBROUTINE timeloop |
---|
| 173 | USE icosa |
---|
| 174 | USE dissip_gcm_mod |
---|
| 175 | USE caldyn_mod |
---|
| 176 | USE etat0_mod |
---|
| 177 | USE guided_mod |
---|
| 178 | USE advect_tracer_mod |
---|
| 179 | USE physics_mod |
---|
| 180 | USE mpipara |
---|
| 181 | USE omp_para |
---|
| 182 | USE trace |
---|
| 183 | USE transfert_mod |
---|
| 184 | USE check_conserve_mod |
---|
| 185 | IMPLICIT NONE |
---|
| 186 | REAL(rstd),POINTER :: phis(:) |
---|
| 187 | REAL(rstd),POINTER :: q(:,:,:) |
---|
| 188 | REAL(rstd),POINTER :: ps(:) ,psm1(:), psm2(:) |
---|
| 189 | REAL(rstd),POINTER :: u(:,:) , um1(:,:), um2(:,:) |
---|
| 190 | REAL(rstd),POINTER :: rhodz(:,:), theta_rhodz(:,:) , theta_rhodzm1(:,:), theta_rhodzm2(:,:) |
---|
| 191 | REAL(rstd),POINTER :: dps(:), dpsm1(:), dpsm2(:) |
---|
| 192 | REAL(rstd),POINTER :: du(:,:), dum1(:,:), dum2(:,:) |
---|
| 193 | REAL(rstd),POINTER :: dtheta_rhodz(:,:),dtheta_rhodzm1(:,:),dtheta_rhodzm2(:,:) |
---|
| 194 | REAL(rstd),POINTER :: hflux(:,:),wflux(:,:),hfluxt(:,:),wfluxt(:,:) |
---|
[12] | 195 | |
---|
[151] | 196 | INTEGER :: ind |
---|
| 197 | INTEGER :: it,i,j,n, stage |
---|
| 198 | CHARACTER(len=255) :: scheme_name |
---|
| 199 | LOGICAL :: fluxt_zero(ndomain) ! set to .TRUE. to start accumulating fluxes in time |
---|
| 200 | LOGICAL, PARAMETER :: check=.FALSE. |
---|
[50] | 201 | |
---|
[157] | 202 | CALL caldyn_BC(f_phis, f_wflux) |
---|
| 203 | |
---|
[151] | 204 | !$OMP BARRIER |
---|
[133] | 205 | DO ind=1,ndomain |
---|
| 206 | CALL swap_dimensions(ind) |
---|
| 207 | CALL swap_geometry(ind) |
---|
| 208 | rhodz=f_rhodz(ind); ps=f_ps(ind) |
---|
[151] | 209 | CALL compute_rhodz(.TRUE., ps, rhodz) ! save rhodz for transport scheme before dynamics update ps |
---|
[133] | 210 | END DO |
---|
[138] | 211 | fluxt_zero=.TRUE. |
---|
[132] | 212 | |
---|
[12] | 213 | DO it=0,itaumax |
---|
[148] | 214 | IF (MOD(it,itau_sync)==0) THEN |
---|
[151] | 215 | CALL send_message(f_ps,req_ps0) |
---|
| 216 | CALL send_message(f_theta_rhodz,req_theta_rhodz0) |
---|
| 217 | CALL send_message(f_u,req_u0) |
---|
| 218 | CALL send_message(f_q,req_q0) |
---|
| 219 | CALL wait_message(req_ps0) |
---|
| 220 | CALL wait_message(req_theta_rhodz0) |
---|
| 221 | CALL wait_message(req_u0) |
---|
| 222 | CALL wait_message(req_q0) |
---|
[148] | 223 | ENDIF |
---|
| 224 | |
---|
[151] | 225 | ! IF (is_mpi_root) PRINT *,"It No :",It," t :",dt*It |
---|
[63] | 226 | IF (mod(it,itau_out)==0 ) THEN |
---|
[151] | 227 | CALL writefield("q",f_q) |
---|
[81] | 228 | CALL update_time_counter(dt*it) |
---|
[151] | 229 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
---|
[63] | 230 | ENDIF |
---|
[151] | 231 | |
---|
| 232 | CALL guided(it*dt,f_ps,f_theta_rhodz,f_u,f_q) |
---|
[129] | 233 | |
---|
| 234 | DO stage=1,nb_stage |
---|
| 235 | CALL caldyn((stage==1) .AND. (MOD(it,itau_out)==0), & |
---|
[132] | 236 | f_phis,f_ps,f_theta_rhodz,f_u, f_q, & |
---|
[134] | 237 | f_hflux, f_wflux, f_dps, f_dtheta_rhodz, f_du) |
---|
[133] | 238 | SELECT CASE (scheme) |
---|
| 239 | CASE(euler) |
---|
| 240 | CALL euler_scheme(.TRUE.) |
---|
| 241 | CASE (rk4) |
---|
[129] | 242 | CALL rk_scheme(stage) |
---|
[133] | 243 | CASE (mlf) |
---|
[129] | 244 | CALL leapfrog_matsuno_scheme(stage) |
---|
[133] | 245 | CASE DEFAULT |
---|
[129] | 246 | STOP |
---|
| 247 | END SELECT |
---|
| 248 | END DO |
---|
[130] | 249 | |
---|
[148] | 250 | IF (MOD(it+1,itau_dissip)==0) THEN |
---|
| 251 | CALL dissip(f_u,f_du,f_ps,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
---|
| 252 | CALL euler_scheme(.FALSE.) |
---|
| 253 | ENDIF |
---|
[130] | 254 | |
---|
[133] | 255 | IF(MOD(it+1,itau_adv)==0) THEN |
---|
[138] | 256 | |
---|
[135] | 257 | CALL advect_tracer(f_hfluxt,f_wfluxt,f_u, f_q,f_rhodz) ! update q and rhodz after RK step |
---|
[134] | 258 | fluxt_zero=.TRUE. |
---|
[138] | 259 | |
---|
| 260 | ! FIXME : check that rhodz is consistent with ps |
---|
[148] | 261 | IF (check) THEN |
---|
| 262 | DO ind=1,ndomain |
---|
| 263 | CALL swap_dimensions(ind) |
---|
| 264 | CALL swap_geometry(ind) |
---|
[151] | 265 | rhodz=f_rhodz(ind); ps=f_ps(ind); |
---|
[148] | 266 | CALL compute_rhodz(.FALSE., ps, rhodz) |
---|
| 267 | END DO |
---|
| 268 | ENDIF |
---|
[151] | 269 | |
---|
[133] | 270 | END IF |
---|
[151] | 271 | |
---|
| 272 | |
---|
| 273 | |
---|
[149] | 274 | !---------------------------------------------------- |
---|
[151] | 275 | ! jD_cur = jD_ref + day_ini - day_ref + it/day_step |
---|
| 276 | ! jH_cur = jH_ref + start_time + mod(it,day_step)/float(day_step) |
---|
| 277 | ! jD_cur = jD_cur + int(jH_cur) |
---|
| 278 | ! jH_cur = jH_cur - int(jH_cur) |
---|
| 279 | ! CALL physics(it,jD_cur,jH_cur,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
---|
| 280 | |
---|
[124] | 281 | ! CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
---|
[129] | 282 | ENDDO |
---|
[151] | 283 | |
---|
[129] | 284 | |
---|
[12] | 285 | CONTAINS |
---|
| 286 | |
---|
[130] | 287 | SUBROUTINE Euler_scheme(with_dps) |
---|
[12] | 288 | IMPLICIT NONE |
---|
[130] | 289 | LOGICAL :: with_dps |
---|
| 290 | INTEGER :: ind |
---|
[148] | 291 | INTEGER :: i,j,ij,l |
---|
[145] | 292 | CALL trace_start("Euler_scheme") |
---|
| 293 | |
---|
[130] | 294 | DO ind=1,ndomain |
---|
[138] | 295 | CALL swap_dimensions(ind) |
---|
| 296 | CALL swap_geometry(ind) |
---|
[130] | 297 | IF(with_dps) THEN |
---|
[148] | 298 | ps=f_ps(ind) ; dps=f_dps(ind) ; |
---|
| 299 | |
---|
[151] | 300 | IF (omp_first) THEN |
---|
| 301 | DO j=jj_begin,jj_end |
---|
| 302 | DO i=ii_begin,ii_end |
---|
| 303 | ij=(j-1)*iim+i |
---|
| 304 | ps(ij)=ps(ij)+dt*dps(ij) |
---|
| 305 | ENDDO |
---|
[148] | 306 | ENDDO |
---|
[151] | 307 | ENDIF |
---|
| 308 | |
---|
[148] | 309 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
| 310 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
| 311 | CALL accumulate_fluxes(hflux,wflux,hfluxt,wfluxt,dt,fluxt_zero(ind)) |
---|
[130] | 312 | END IF |
---|
[148] | 313 | |
---|
[130] | 314 | u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
| 315 | du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
[148] | 316 | |
---|
[151] | 317 | DO l=ll_begin,ll_end |
---|
[148] | 318 | DO j=jj_begin,jj_end |
---|
| 319 | DO i=ii_begin,ii_end |
---|
| 320 | ij=(j-1)*iim+i |
---|
| 321 | u(ij+u_right,l)=u(ij+u_right,l)+dt*du(ij+u_right,l) |
---|
| 322 | u(ij+u_lup,l)=u(ij+u_lup,l)+dt*du(ij+u_lup,l) |
---|
| 323 | u(ij+u_ldown,l)=u(ij+u_ldown,l)+dt*du(ij+u_ldown,l) |
---|
| 324 | theta_rhodz(ij,l)=theta_rhodz(ij,l)+dt*dtheta_rhodz(ij,l) |
---|
| 325 | ENDDO |
---|
| 326 | ENDDO |
---|
| 327 | ENDDO |
---|
[130] | 328 | ENDDO |
---|
[133] | 329 | |
---|
[145] | 330 | CALL trace_end("Euler_scheme") |
---|
| 331 | |
---|
[12] | 332 | END SUBROUTINE Euler_scheme |
---|
[120] | 333 | |
---|
[129] | 334 | SUBROUTINE RK_scheme(stage) |
---|
[151] | 335 | USE caldyn_gcm_mod |
---|
[120] | 336 | IMPLICIT NONE |
---|
| 337 | INTEGER :: ind, stage |
---|
[129] | 338 | REAL(rstd), DIMENSION(4), PARAMETER :: coef = (/ .25, 1./3., .5, 1. /) |
---|
[120] | 339 | REAL(rstd) :: tau |
---|
[148] | 340 | INTEGER :: i,j,ij,l |
---|
[145] | 341 | |
---|
| 342 | CALL trace_start("RK_scheme") |
---|
[120] | 343 | |
---|
| 344 | tau = dt*coef(stage) |
---|
[151] | 345 | |
---|
| 346 | DO ind=1,ndomain |
---|
| 347 | CALL swap_dimensions(ind) |
---|
| 348 | CALL swap_geometry(ind) |
---|
| 349 | ps=f_ps(ind) |
---|
| 350 | psm1=f_psm1(ind) |
---|
| 351 | dps=f_dps(ind) |
---|
| 352 | |
---|
| 353 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
| 354 | IF (omp_first) THEN |
---|
| 355 | DO j=jj_begin,jj_end |
---|
| 356 | DO i=ii_begin,ii_end |
---|
| 357 | ij=(j-1)*iim+i |
---|
| 358 | psm1(ij)=ps(ij) |
---|
| 359 | ENDDO |
---|
| 360 | ENDDO |
---|
| 361 | ENDIF |
---|
| 362 | END IF |
---|
| 363 | |
---|
| 364 | ! updates are of the form x1 := x0 + tau*f(x1) |
---|
| 365 | IF (omp_first) THEN |
---|
| 366 | DO j=jj_begin,jj_end |
---|
| 367 | DO i=ii_begin,ii_end |
---|
| 368 | ij=(j-1)*iim+i |
---|
| 369 | ps(ij)=psm1(ij)+tau*dps(ij) |
---|
| 370 | ENDDO |
---|
| 371 | ENDDO |
---|
| 372 | ENDIF |
---|
| 373 | |
---|
| 374 | ENDDO |
---|
| 375 | |
---|
| 376 | CALL send_message(f_ps,req_ps) |
---|
| 377 | |
---|
| 378 | |
---|
[129] | 379 | |
---|
[120] | 380 | DO ind=1,ndomain |
---|
[138] | 381 | CALL swap_dimensions(ind) |
---|
| 382 | CALL swap_geometry(ind) |
---|
[120] | 383 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
| 384 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
| 385 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
[129] | 386 | |
---|
| 387 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
[148] | 388 | |
---|
[151] | 389 | DO l=ll_begin,ll_end |
---|
[148] | 390 | DO j=jj_begin,jj_end |
---|
| 391 | DO i=ii_begin,ii_end |
---|
| 392 | ij=(j-1)*iim+i |
---|
| 393 | um1(ij+u_right,l)=u(ij+u_right,l) |
---|
| 394 | um1(ij+u_lup,l)=u(ij+u_lup,l) |
---|
| 395 | um1(ij+u_ldown,l)=u(ij+u_ldown,l) |
---|
| 396 | theta_rhodzm1(ij,l)=theta_rhodz(ij,l) |
---|
| 397 | ENDDO |
---|
| 398 | ENDDO |
---|
| 399 | ENDDO |
---|
| 400 | |
---|
[120] | 401 | END IF |
---|
[129] | 402 | ! updates are of the form x1 := x0 + tau*f(x1) |
---|
[148] | 403 | |
---|
[151] | 404 | DO l=ll_begin,ll_end |
---|
[148] | 405 | DO j=jj_begin,jj_end |
---|
| 406 | DO i=ii_begin,ii_end |
---|
| 407 | ij=(j-1)*iim+i |
---|
| 408 | u(ij+u_right,l)=um1(ij+u_right,l)+tau*du(ij+u_right,l) |
---|
| 409 | u(ij+u_lup,l)=um1(ij+u_lup,l)+tau*du(ij+u_lup,l) |
---|
| 410 | u(ij+u_ldown,l)=um1(ij+u_ldown,l)+tau*du(ij+u_ldown,l) |
---|
| 411 | theta_rhodz(ij,l)=theta_rhodzm1(ij,l)+tau*dtheta_rhodz(ij,l) |
---|
| 412 | ENDDO |
---|
| 413 | ENDDO |
---|
| 414 | ENDDO |
---|
| 415 | |
---|
[133] | 416 | IF(stage==nb_stage) THEN ! accumulate mass fluxes at last stage |
---|
| 417 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
[138] | 418 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
| 419 | CALL accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, dt,fluxt_zero(ind)) |
---|
[133] | 420 | END IF |
---|
[120] | 421 | END DO |
---|
[145] | 422 | |
---|
| 423 | CALL trace_end("RK_scheme") |
---|
| 424 | |
---|
[120] | 425 | END SUBROUTINE RK_scheme |
---|
| 426 | |
---|
[129] | 427 | SUBROUTINE leapfrog_matsuno_scheme(stage) |
---|
[12] | 428 | IMPLICIT NONE |
---|
[129] | 429 | INTEGER :: ind, stage |
---|
| 430 | REAL :: tau |
---|
[145] | 431 | |
---|
| 432 | CALL trace_start("leapfrog_matsuno_scheme") |
---|
| 433 | |
---|
| 434 | tau = dt/nb_stage |
---|
[12] | 435 | DO ind=1,ndomain |
---|
[138] | 436 | CALL swap_dimensions(ind) |
---|
| 437 | CALL swap_geometry(ind) |
---|
| 438 | |
---|
[12] | 439 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
| 440 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
| 441 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
---|
| 442 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
| 443 | |
---|
| 444 | |
---|
[129] | 445 | IF (stage==1) THEN |
---|
[12] | 446 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
---|
[129] | 447 | ps(:)=psm1(:)+tau*dps(:) |
---|
| 448 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
| 449 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
[12] | 450 | |
---|
[129] | 451 | ELSE IF (stage==2) THEN |
---|
[12] | 452 | |
---|
[129] | 453 | ps(:)=psm1(:)+tau*dps(:) |
---|
| 454 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
| 455 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
[12] | 456 | |
---|
| 457 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
| 458 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
| 459 | |
---|
| 460 | ELSE |
---|
| 461 | |
---|
[129] | 462 | ps(:)=psm2(:)+2*tau*dps(:) |
---|
| 463 | u(:,:)=um2(:,:)+2*tau*du(:,:) |
---|
| 464 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*tau*dtheta_rhodz(:,:) |
---|
[12] | 465 | |
---|
| 466 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
| 467 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
| 468 | |
---|
| 469 | ENDIF |
---|
| 470 | |
---|
| 471 | ENDDO |
---|
[145] | 472 | CALL trace_end("leapfrog_matsuno_scheme") |
---|
[12] | 473 | |
---|
| 474 | END SUBROUTINE leapfrog_matsuno_scheme |
---|
| 475 | |
---|
[50] | 476 | END SUBROUTINE timeloop |
---|
[133] | 477 | |
---|
[138] | 478 | SUBROUTINE compute_rhodz(comp, ps, rhodz) |
---|
[133] | 479 | USE icosa |
---|
| 480 | USE disvert_mod |
---|
[151] | 481 | USE omp_para |
---|
[138] | 482 | LOGICAL, INTENT(IN) :: comp ! .TRUE. to compute, .FALSE. to check |
---|
[133] | 483 | REAL(rstd), INTENT(IN) :: ps(iim*jjm) |
---|
[146] | 484 | REAL(rstd), INTENT(INOUT) :: rhodz(iim*jjm,llm) |
---|
[138] | 485 | REAL(rstd) :: m, err |
---|
| 486 | INTEGER :: l,i,j,ij,dd |
---|
| 487 | err=0. |
---|
| 488 | |
---|
[151] | 489 | dd=0 |
---|
| 490 | |
---|
| 491 | DO l = ll_begin, ll_end |
---|
[138] | 492 | DO j=jj_begin-dd,jj_end+dd |
---|
| 493 | DO i=ii_begin-dd,ii_end+dd |
---|
[133] | 494 | ij=(j-1)*iim+i |
---|
[151] | 495 | m = ( ap(l) - ap(l+1) + (bp(l)-bp(l+1))*ps(ij) )/g |
---|
[138] | 496 | IF(comp) THEN |
---|
| 497 | rhodz(ij,l) = m |
---|
| 498 | ELSE |
---|
| 499 | err = MAX(err,abs(m-rhodz(ij,l))) |
---|
| 500 | END IF |
---|
[133] | 501 | ENDDO |
---|
| 502 | ENDDO |
---|
| 503 | ENDDO |
---|
[138] | 504 | |
---|
| 505 | IF(.NOT. comp) THEN |
---|
| 506 | IF(err>1e-10) THEN |
---|
| 507 | PRINT *, 'Discrepancy between ps and rhodz detected', err |
---|
| 508 | STOP |
---|
| 509 | ELSE |
---|
[151] | 510 | ! PRINT *, 'No discrepancy between ps and rhodz detected' |
---|
[138] | 511 | END IF |
---|
| 512 | END IF |
---|
| 513 | |
---|
[133] | 514 | END SUBROUTINE compute_rhodz |
---|
| 515 | |
---|
[138] | 516 | SUBROUTINE accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, tau,fluxt_zero) |
---|
[133] | 517 | USE icosa |
---|
[151] | 518 | USE omp_para |
---|
[133] | 519 | REAL(rstd), INTENT(IN) :: hflux(3*iim*jjm,llm), wflux(iim*jjm,llm+1) |
---|
| 520 | REAL(rstd), INTENT(INOUT) :: hfluxt(3*iim*jjm,llm), wfluxt(iim*jjm,llm+1) |
---|
| 521 | REAL(rstd), INTENT(IN) :: tau |
---|
[134] | 522 | LOGICAL, INTENT(INOUT) :: fluxt_zero |
---|
[148] | 523 | INTEGER :: l,i,j,ij |
---|
| 524 | |
---|
[134] | 525 | IF(fluxt_zero) THEN |
---|
[151] | 526 | |
---|
[134] | 527 | fluxt_zero=.FALSE. |
---|
[151] | 528 | |
---|
| 529 | DO l=ll_begin,ll_end |
---|
[148] | 530 | DO j=jj_begin-1,jj_end+1 |
---|
| 531 | DO i=ii_begin-1,ii_end+1 |
---|
| 532 | ij=(j-1)*iim+i |
---|
| 533 | hfluxt(ij+u_right,l) = tau*hflux(ij+u_right,l) |
---|
| 534 | hfluxt(ij+u_lup,l) = tau*hflux(ij+u_lup,l) |
---|
| 535 | hfluxt(ij+u_ldown,l) = tau*hflux(ij+u_ldown,l) |
---|
| 536 | ENDDO |
---|
| 537 | ENDDO |
---|
| 538 | ENDDO |
---|
| 539 | |
---|
[151] | 540 | DO l=ll_begin,ll_endp1 |
---|
[148] | 541 | DO j=jj_begin,jj_end |
---|
| 542 | DO i=ii_begin,ii_end |
---|
| 543 | ij=(j-1)*iim+i |
---|
| 544 | wfluxt(ij,l) = tau*wflux(ij,l) |
---|
| 545 | ENDDO |
---|
| 546 | ENDDO |
---|
| 547 | ENDDO |
---|
[134] | 548 | ELSE |
---|
[151] | 549 | |
---|
| 550 | DO l=ll_begin,ll_end |
---|
[148] | 551 | DO j=jj_begin-1,jj_end+1 |
---|
| 552 | DO i=ii_begin-1,ii_end+1 |
---|
| 553 | ij=(j-1)*iim+i |
---|
| 554 | hfluxt(ij+u_right,l) = hfluxt(ij+u_right,l)+tau*hflux(ij+u_right,l) |
---|
| 555 | hfluxt(ij+u_lup,l) = hfluxt(ij+u_lup,l)+tau*hflux(ij+u_lup,l) |
---|
| 556 | hfluxt(ij+u_ldown,l) = hfluxt(ij+u_ldown,l)+tau*hflux(ij+u_ldown,l) |
---|
| 557 | ENDDO |
---|
| 558 | ENDDO |
---|
| 559 | ENDDO |
---|
| 560 | |
---|
[151] | 561 | DO l=ll_begin,ll_endp1 |
---|
[148] | 562 | DO j=jj_begin,jj_end |
---|
| 563 | DO i=ii_begin,ii_end |
---|
| 564 | ij=(j-1)*iim+i |
---|
| 565 | wfluxt(ij,l) = wfluxt(ij,l)+tau*wflux(ij,l) |
---|
| 566 | ENDDO |
---|
| 567 | ENDDO |
---|
| 568 | ENDDO |
---|
| 569 | |
---|
[134] | 570 | END IF |
---|
[151] | 571 | |
---|
[133] | 572 | END SUBROUTINE accumulate_fluxes |
---|
[12] | 573 | |
---|
| 574 | END MODULE timeloop_gcm_mod |
---|