1 | MODULE timeloop_gcm_mod |
---|
2 | USE transfert_mod |
---|
3 | USE icosa |
---|
4 | PRIVATE |
---|
5 | |
---|
6 | PUBLIC :: init_timeloop, timeloop |
---|
7 | |
---|
8 | INTEGER, PARAMETER :: euler=1, rk4=2, mlf=3 |
---|
9 | INTEGER, PARAMETER :: itau_sync=10 |
---|
10 | |
---|
11 | TYPE(t_message),SAVE :: req_ps0, req_mass0, req_theta_rhodz0, req_u0, req_q0 |
---|
12 | |
---|
13 | TYPE(t_field),POINTER,SAVE :: f_q(:) |
---|
14 | TYPE(t_field),POINTER,SAVE :: f_rhodz(:), f_mass(:), f_massm1(:), f_massm2(:), f_dmass(:) |
---|
15 | TYPE(t_field),POINTER,SAVE :: f_phis(:), f_ps(:),f_psm1(:), f_psm2(:), f_dps(:) |
---|
16 | TYPE(t_field),POINTER,SAVE :: f_u(:),f_um1(:),f_um2(:), f_du(:) |
---|
17 | TYPE(t_field),POINTER,SAVE :: f_theta_rhodz(:),f_theta_rhodzm1(:),f_theta_rhodzm2(:), f_dtheta_rhodz(:) |
---|
18 | TYPE(t_field),POINTER,SAVE :: f_hflux(:), f_wflux(:), f_hfluxt(:), f_wfluxt(:) |
---|
19 | |
---|
20 | INTEGER,SAVE :: nb_stage, matsuno_period, scheme |
---|
21 | !$OMP THREADPRIVATE(nb_stage, matsuno_period, scheme) |
---|
22 | |
---|
23 | CONTAINS |
---|
24 | |
---|
25 | SUBROUTINE init_timeloop |
---|
26 | USE icosa |
---|
27 | USE dissip_gcm_mod |
---|
28 | USE caldyn_mod |
---|
29 | USE etat0_mod |
---|
30 | USE disvert_mod |
---|
31 | USE guided_mod |
---|
32 | USE advect_tracer_mod |
---|
33 | USE physics_mod |
---|
34 | USE mpipara |
---|
35 | USE omp_para |
---|
36 | USE trace |
---|
37 | USE transfert_mod |
---|
38 | USE check_conserve_mod |
---|
39 | USE output_field_mod |
---|
40 | USE write_field |
---|
41 | IMPLICIT NONE |
---|
42 | |
---|
43 | CHARACTER(len=255) :: def |
---|
44 | |
---|
45 | |
---|
46 | IF (xios_output) itau_out=1 |
---|
47 | IF (.NOT. enable_io) itau_out=HUGE(itau_out) |
---|
48 | |
---|
49 | ! Time-independant orography |
---|
50 | CALL allocate_field(f_phis,field_t,type_real,name='phis') |
---|
51 | ! Trends |
---|
52 | CALL allocate_field(f_du,field_u,type_real,llm,name='du') |
---|
53 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm,name='dtheta_rhodz') |
---|
54 | ! Model state at current time step (RK/MLF/Euler) |
---|
55 | CALL allocate_field(f_ps,field_t,type_real, name='ps') |
---|
56 | CALL allocate_field(f_mass,field_t,type_real,llm,name='mass') |
---|
57 | CALL allocate_field(f_u,field_u,type_real,llm,name='u') |
---|
58 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm,name='theta_rhodz') |
---|
59 | ! Model state at previous time step (RK/MLF) |
---|
60 | CALL allocate_field(f_um1,field_u,type_real,llm,name='um1') |
---|
61 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm,name='theta_rhodzm1') |
---|
62 | ! Tracers |
---|
63 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot,'q') |
---|
64 | CALL allocate_field(f_rhodz,field_t,type_real,llm,name='rhodz') |
---|
65 | ! Mass fluxes |
---|
66 | CALL allocate_field(f_hflux,field_u,type_real,llm) ! instantaneous mass fluxes |
---|
67 | CALL allocate_field(f_hfluxt,field_u,type_real,llm) ! mass "fluxes" accumulated in time |
---|
68 | CALL allocate_field(f_wflux,field_t,type_real,llm+1) ! vertical mass fluxes |
---|
69 | CALL allocate_field(f_dmass,field_t,type_real,llm, name='dmass') |
---|
70 | |
---|
71 | IF(caldyn_eta == eta_mass) THEN ! eta = mass coordinate (default) |
---|
72 | CALL allocate_field(f_dps,field_t,type_real,name='dps') |
---|
73 | CALL allocate_field(f_psm1,field_t,type_real,name='psm1') |
---|
74 | CALL allocate_field(f_wfluxt,field_t,type_real,llm+1,name='wfluxt') |
---|
75 | ! the following are unused but must point to something |
---|
76 | ! f_massm1 => f_mass |
---|
77 | ELSE ! eta = Lagrangian vertical coordinate |
---|
78 | CALL allocate_field(f_massm1,field_t,type_real,llm, name='massm1') |
---|
79 | ! the following are unused but must point to something |
---|
80 | f_wfluxt => f_wflux |
---|
81 | f_dps => f_phis |
---|
82 | f_psm1 => f_phis |
---|
83 | END IF |
---|
84 | |
---|
85 | def='runge_kutta' |
---|
86 | CALL getin('scheme',def) |
---|
87 | |
---|
88 | SELECT CASE (TRIM(def)) |
---|
89 | CASE('euler') |
---|
90 | scheme=euler |
---|
91 | nb_stage=1 |
---|
92 | CASE ('runge_kutta') |
---|
93 | scheme=rk4 |
---|
94 | nb_stage=4 |
---|
95 | CASE ('leapfrog_matsuno') |
---|
96 | scheme=mlf |
---|
97 | matsuno_period=5 |
---|
98 | CALL getin('matsuno_period',matsuno_period) |
---|
99 | nb_stage=matsuno_period+1 |
---|
100 | ! Model state 2 time steps ago (MLF) |
---|
101 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
---|
102 | CALL allocate_field(f_um2,field_u,type_real,llm) |
---|
103 | IF(caldyn_eta == eta_mass) THEN ! eta = mass coordinate (default) |
---|
104 | CALL allocate_field(f_psm2,field_t,type_real) |
---|
105 | ! the following are unused but must point to something |
---|
106 | f_massm2 => f_mass |
---|
107 | ELSE ! eta = Lagrangian vertical coordinate |
---|
108 | CALL allocate_field(f_massm2,field_t,type_real,llm) |
---|
109 | ! the following are unused but must point to something |
---|
110 | f_psm2 => f_phis |
---|
111 | END IF |
---|
112 | |
---|
113 | CASE default |
---|
114 | PRINT*,'Bad selector for variable scheme : <', TRIM(def), & |
---|
115 | ' > options are <euler>, <runge_kutta>, <leapfrog_matsuno>' |
---|
116 | STOP |
---|
117 | END SELECT |
---|
118 | |
---|
119 | |
---|
120 | CALL init_dissip |
---|
121 | CALL init_caldyn |
---|
122 | CALL init_guided |
---|
123 | CALL init_advect_tracer |
---|
124 | CALL init_check_conserve |
---|
125 | CALL init_physics |
---|
126 | |
---|
127 | CALL etat0(f_ps,f_mass,f_phis,f_theta_rhodz,f_u, f_q) |
---|
128 | |
---|
129 | CALL transfert_request(f_phis,req_i0) |
---|
130 | CALL transfert_request(f_phis,req_i1) |
---|
131 | CALL writefield("phis",f_phis,once=.TRUE.) |
---|
132 | |
---|
133 | CALL init_message(f_ps,req_i0,req_ps0) |
---|
134 | CALL init_message(f_mass,req_i0,req_mass0) |
---|
135 | CALL init_message(f_theta_rhodz,req_i0,req_theta_rhodz0) |
---|
136 | CALL init_message(f_u,req_e0_vect,req_u0) |
---|
137 | CALL init_message(f_q,req_i0,req_q0) |
---|
138 | |
---|
139 | END SUBROUTINE init_timeloop |
---|
140 | |
---|
141 | SUBROUTINE timeloop |
---|
142 | USE icosa |
---|
143 | USE dissip_gcm_mod |
---|
144 | USE disvert_mod |
---|
145 | USE caldyn_mod |
---|
146 | USE caldyn_gcm_mod, ONLY : req_ps, req_mass |
---|
147 | USE etat0_mod |
---|
148 | USE guided_mod |
---|
149 | USE advect_tracer_mod |
---|
150 | USE physics_mod |
---|
151 | USE mpipara |
---|
152 | USE omp_para |
---|
153 | USE trace |
---|
154 | USE transfert_mod |
---|
155 | USE check_conserve_mod |
---|
156 | USE xios_mod |
---|
157 | USE output_field_mod |
---|
158 | USE write_etat0_mod |
---|
159 | IMPLICIT NONE |
---|
160 | REAL(rstd),POINTER :: q(:,:,:) |
---|
161 | REAL(rstd),POINTER :: phis(:), ps(:) ,psm1(:), psm2(:), dps(:) |
---|
162 | REAL(rstd),POINTER :: u(:,:) , um1(:,:), um2(:,:), du(:,:) |
---|
163 | REAL(rstd),POINTER :: rhodz(:,:), mass(:,:), massm1(:,:), massm2(:,:), dmass(:,:) |
---|
164 | REAL(rstd),POINTER :: theta_rhodz(:,:) , theta_rhodzm1(:,:), theta_rhodzm2(:,:), dtheta_rhodz(:,:) |
---|
165 | REAL(rstd),POINTER :: hflux(:,:),wflux(:,:),hfluxt(:,:),wfluxt(:,:) |
---|
166 | |
---|
167 | INTEGER :: ind |
---|
168 | INTEGER :: it,i,j,n, stage |
---|
169 | LOGICAL :: fluxt_zero(ndomain) ! set to .TRUE. to start accumulating fluxes in time |
---|
170 | LOGICAL, PARAMETER :: check=.FALSE. |
---|
171 | INTEGER :: start_clock |
---|
172 | INTEGER :: stop_clock |
---|
173 | INTEGER :: rate_clock |
---|
174 | |
---|
175 | |
---|
176 | ! CALL write_etat0(f_ps, f_phis,f_theta_rhodz,f_u,f_q) |
---|
177 | ! CALL read_start(f_ps,f_mass,f_phis,f_theta_rhodz,f_u,f_q) |
---|
178 | ! CALL write_restart(f_ps,f_mass,f_phis,f_theta_rhodz,f_u,f_q) |
---|
179 | |
---|
180 | CALL caldyn_BC(f_phis, f_wflux) ! set constant values in first/last interfaces |
---|
181 | |
---|
182 | !!$OMP BARRIER |
---|
183 | DO ind=1,ndomain |
---|
184 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
185 | CALL swap_dimensions(ind) |
---|
186 | CALL swap_geometry(ind) |
---|
187 | rhodz=f_rhodz(ind); mass=f_mass(ind); ps=f_ps(ind) |
---|
188 | IF(caldyn_eta==eta_mass) THEN |
---|
189 | CALL compute_rhodz(.TRUE., ps, rhodz) ! save rhodz for transport scheme before dynamics update ps |
---|
190 | ELSE |
---|
191 | rhodz(:,:)=mass(:,:) |
---|
192 | END IF |
---|
193 | END DO |
---|
194 | fluxt_zero=.TRUE. |
---|
195 | |
---|
196 | !$OMP MASTER |
---|
197 | CALL SYSTEM_CLOCK(start_clock) |
---|
198 | !$OMP END MASTER |
---|
199 | |
---|
200 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,itau0) |
---|
201 | |
---|
202 | CALL trace_on |
---|
203 | |
---|
204 | DO it=itau0+1,itau0+itaumax |
---|
205 | |
---|
206 | IF (xios_output) CALL xios_update_calendar(it) |
---|
207 | IF (it==itau0+1 .OR. MOD(it,itau_sync)==0) THEN |
---|
208 | CALL send_message(f_ps,req_ps0) |
---|
209 | CALL wait_message(req_ps0) |
---|
210 | CALL send_message(f_mass,req_mass0) |
---|
211 | CALL wait_message(req_mass0) |
---|
212 | CALL send_message(f_theta_rhodz,req_theta_rhodz0) |
---|
213 | CALL wait_message(req_theta_rhodz0) |
---|
214 | CALL send_message(f_u,req_u0) |
---|
215 | CALL wait_message(req_u0) |
---|
216 | CALL send_message(f_q,req_q0) |
---|
217 | CALL wait_message(req_q0) |
---|
218 | |
---|
219 | ! CALL wait_message(req_ps0) |
---|
220 | ! CALL wait_message(req_mass0) |
---|
221 | ! CALL wait_message(req_theta_rhodz0) |
---|
222 | ! CALL wait_message(req_u0) |
---|
223 | ! CALL wait_message(req_q0) |
---|
224 | ENDIF |
---|
225 | |
---|
226 | !$OMP MASTER |
---|
227 | IF (is_mpi_root) PRINT *,"It No :",It," t :",dt*It |
---|
228 | !$OMP END MASTER |
---|
229 | IF (mod(it,itau_out)==0 ) THEN |
---|
230 | CALL update_time_counter(dt*it) |
---|
231 | CALL output_field("q",f_q) |
---|
232 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
---|
233 | ENDIF |
---|
234 | |
---|
235 | CALL guided(it*dt,f_ps,f_theta_rhodz,f_u,f_q) |
---|
236 | |
---|
237 | DO stage=1,nb_stage |
---|
238 | CALL caldyn((stage==1) .AND. (MOD(it,itau_out)==0), & |
---|
239 | f_phis,f_ps,f_mass,f_theta_rhodz,f_u, f_q, & |
---|
240 | f_hflux, f_wflux, f_dps, f_dmass, f_dtheta_rhodz, f_du) |
---|
241 | SELECT CASE (scheme) |
---|
242 | CASE(euler) |
---|
243 | CALL euler_scheme(.TRUE.) |
---|
244 | CASE (rk4) |
---|
245 | CALL rk_scheme(stage) |
---|
246 | CASE (mlf) |
---|
247 | CALL leapfrog_matsuno_scheme(stage) |
---|
248 | CASE DEFAULT |
---|
249 | STOP |
---|
250 | END SELECT |
---|
251 | END DO |
---|
252 | |
---|
253 | IF (MOD(it,itau_dissip)==0) THEN |
---|
254 | ! CALL send_message(f_ps,req_ps) |
---|
255 | ! CALL wait_message(req_ps) |
---|
256 | |
---|
257 | IF(caldyn_eta==eta_mass) THEN |
---|
258 | DO ind=1,ndomain |
---|
259 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
260 | CALL swap_dimensions(ind) |
---|
261 | CALL swap_geometry(ind) |
---|
262 | mass=f_mass(ind); ps=f_ps(ind); |
---|
263 | CALL compute_rhodz(.TRUE., ps, mass) |
---|
264 | END DO |
---|
265 | ENDIF |
---|
266 | ! CALL send_message(f_mass,req_mass) |
---|
267 | ! CALL wait_message(req_mass) |
---|
268 | CALL dissip(f_u,f_du,f_mass,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
---|
269 | ! CALL send_message(f_mass,req_mass) |
---|
270 | ! CALL wait_message(req_mass) |
---|
271 | CALL euler_scheme(.FALSE.) ! update only u, theta |
---|
272 | END IF |
---|
273 | |
---|
274 | IF(MOD(it,itau_adv)==0) THEN |
---|
275 | |
---|
276 | CALL advect_tracer(f_hfluxt,f_wfluxt,f_u, f_q,f_rhodz) ! update q and rhodz after RK step |
---|
277 | fluxt_zero=.TRUE. |
---|
278 | |
---|
279 | ! FIXME : check that rhodz is consistent with ps |
---|
280 | IF (check) THEN |
---|
281 | DO ind=1,ndomain |
---|
282 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
283 | CALL swap_dimensions(ind) |
---|
284 | CALL swap_geometry(ind) |
---|
285 | rhodz=f_rhodz(ind); ps=f_ps(ind); |
---|
286 | CALL compute_rhodz(.FALSE., ps, rhodz) |
---|
287 | END DO |
---|
288 | ENDIF |
---|
289 | |
---|
290 | END IF |
---|
291 | |
---|
292 | |
---|
293 | IF (MOD(it,itau_physics)==0) THEN |
---|
294 | CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
---|
295 | ENDIF |
---|
296 | |
---|
297 | ENDDO |
---|
298 | |
---|
299 | CALL write_etat0(itau0+itaumax,f_ps, f_phis,f_theta_rhodz,f_u,f_q) |
---|
300 | |
---|
301 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
---|
302 | |
---|
303 | !$OMP MASTER |
---|
304 | CALL SYSTEM_CLOCK(stop_clock) |
---|
305 | CALL SYSTEM_CLOCK(count_rate=rate_clock) |
---|
306 | |
---|
307 | IF (mpi_rank==0) THEN |
---|
308 | PRINT *,"Time elapsed : ",(stop_clock-start_clock)*1./rate_clock |
---|
309 | ENDIF |
---|
310 | !$OMP END MASTER |
---|
311 | |
---|
312 | CONTAINS |
---|
313 | |
---|
314 | SUBROUTINE Euler_scheme(with_dps) |
---|
315 | IMPLICIT NONE |
---|
316 | LOGICAL :: with_dps |
---|
317 | INTEGER :: ind |
---|
318 | INTEGER :: i,j,ij,l |
---|
319 | CALL trace_start("Euler_scheme") |
---|
320 | |
---|
321 | DO ind=1,ndomain |
---|
322 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
323 | CALL swap_dimensions(ind) |
---|
324 | CALL swap_geometry(ind) |
---|
325 | |
---|
326 | IF(with_dps) THEN ! update ps/mass |
---|
327 | IF(caldyn_eta==eta_mass) THEN ! update ps |
---|
328 | ps=f_ps(ind) ; dps=f_dps(ind) ; |
---|
329 | IF (omp_first) THEN |
---|
330 | !$SIMD |
---|
331 | DO ij=ij_begin,ij_end |
---|
332 | ps(ij)=ps(ij)+dt*dps(ij) |
---|
333 | ENDDO |
---|
334 | ENDIF |
---|
335 | ELSE ! update mass |
---|
336 | mass=f_mass(ind) ; dmass=f_dmass(ind) ; |
---|
337 | DO l=1,llm |
---|
338 | !$SIMD |
---|
339 | DO ij=ij_begin,ij_end |
---|
340 | mass(ij,l)=mass(ij,l)+dt*dmass(ij,l) |
---|
341 | ENDDO |
---|
342 | END DO |
---|
343 | END IF |
---|
344 | |
---|
345 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
346 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
347 | CALL accumulate_fluxes(hflux,wflux,hfluxt,wfluxt,dt,fluxt_zero(ind)) |
---|
348 | END IF ! update ps/mass |
---|
349 | |
---|
350 | u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
351 | du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
352 | |
---|
353 | DO l=ll_begin,ll_end |
---|
354 | !$SIMD |
---|
355 | DO ij=ij_begin,ij_end |
---|
356 | u(ij+u_right,l)=u(ij+u_right,l)+dt*du(ij+u_right,l) |
---|
357 | u(ij+u_lup,l)=u(ij+u_lup,l)+dt*du(ij+u_lup,l) |
---|
358 | u(ij+u_ldown,l)=u(ij+u_ldown,l)+dt*du(ij+u_ldown,l) |
---|
359 | theta_rhodz(ij,l)=theta_rhodz(ij,l)+dt*dtheta_rhodz(ij,l) |
---|
360 | ENDDO |
---|
361 | ENDDO |
---|
362 | ENDDO |
---|
363 | |
---|
364 | CALL trace_end("Euler_scheme") |
---|
365 | |
---|
366 | END SUBROUTINE Euler_scheme |
---|
367 | |
---|
368 | SUBROUTINE RK_scheme(stage) |
---|
369 | IMPLICIT NONE |
---|
370 | INTEGER :: ind, stage |
---|
371 | REAL(rstd), DIMENSION(4), PARAMETER :: coef = (/ .25, 1./3., .5, 1. /) |
---|
372 | REAL(rstd) :: tau |
---|
373 | INTEGER :: i,j,ij,l |
---|
374 | |
---|
375 | CALL trace_start("RK_scheme") |
---|
376 | |
---|
377 | tau = dt*coef(stage) |
---|
378 | |
---|
379 | ! if mass coordinate, deal with ps first on one core |
---|
380 | IF(caldyn_eta==eta_mass) THEN |
---|
381 | IF (omp_first) THEN |
---|
382 | |
---|
383 | DO ind=1,ndomain |
---|
384 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
385 | CALL swap_dimensions(ind) |
---|
386 | CALL swap_geometry(ind) |
---|
387 | ps=f_ps(ind) ; psm1=f_psm1(ind) ; dps=f_dps(ind) |
---|
388 | |
---|
389 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
390 | !$SIMD |
---|
391 | DO ij=ij_begin,ij_end |
---|
392 | psm1(ij)=ps(ij) |
---|
393 | ENDDO |
---|
394 | ENDIF |
---|
395 | |
---|
396 | ! updates are of the form x1 := x0 + tau*f(x1) |
---|
397 | !$SIMD |
---|
398 | DO ij=ij_begin,ij_end |
---|
399 | ps(ij)=psm1(ij)+tau*dps(ij) |
---|
400 | ENDDO |
---|
401 | ENDDO |
---|
402 | ENDIF |
---|
403 | ! CALL send_message(f_ps,req_ps) |
---|
404 | !ym no overlap for now |
---|
405 | ! CALL wait_message(req_ps) |
---|
406 | |
---|
407 | ELSE ! Lagrangian coordinate, deal with mass |
---|
408 | DO ind=1,ndomain |
---|
409 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
410 | CALL swap_dimensions(ind) |
---|
411 | CALL swap_geometry(ind) |
---|
412 | mass=f_mass(ind); dmass=f_dmass(ind); massm1=f_massm1(ind) |
---|
413 | |
---|
414 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
415 | DO l=ll_begin,ll_end |
---|
416 | !$SIMD |
---|
417 | DO ij=ij_begin,ij_end |
---|
418 | massm1(ij,l)=mass(ij,l) |
---|
419 | ENDDO |
---|
420 | ENDDO |
---|
421 | END IF |
---|
422 | |
---|
423 | ! updates are of the form x1 := x0 + tau*f(x1) |
---|
424 | DO l=ll_begin,ll_end |
---|
425 | !$SIMD |
---|
426 | DO ij=ij_begin,ij_end |
---|
427 | mass(ij,l)=massm1(ij,l)+tau*dmass(ij,l) |
---|
428 | ENDDO |
---|
429 | ENDDO |
---|
430 | END DO |
---|
431 | ! CALL send_message(f_mass,req_mass) |
---|
432 | !ym no overlap for now |
---|
433 | ! CALL wait_message(req_mass) |
---|
434 | |
---|
435 | END IF |
---|
436 | |
---|
437 | ! now deal with other prognostic variables |
---|
438 | DO ind=1,ndomain |
---|
439 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
440 | CALL swap_dimensions(ind) |
---|
441 | CALL swap_geometry(ind) |
---|
442 | u=f_u(ind) ; du=f_du(ind) ; um1=f_um1(ind) |
---|
443 | theta_rhodz=f_theta_rhodz(ind) |
---|
444 | theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
445 | dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
446 | |
---|
447 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
448 | DO l=ll_begin,ll_end |
---|
449 | !$SIMD |
---|
450 | DO ij=ij_begin,ij_end |
---|
451 | um1(ij+u_right,l)=u(ij+u_right,l) |
---|
452 | um1(ij+u_lup,l)=u(ij+u_lup,l) |
---|
453 | um1(ij+u_ldown,l)=u(ij+u_ldown,l) |
---|
454 | theta_rhodzm1(ij,l)=theta_rhodz(ij,l) |
---|
455 | ENDDO |
---|
456 | ENDDO |
---|
457 | END IF |
---|
458 | |
---|
459 | DO l=ll_begin,ll_end |
---|
460 | !$SIMD |
---|
461 | DO ij=ij_begin,ij_end |
---|
462 | u(ij+u_right,l)=um1(ij+u_right,l)+tau*du(ij+u_right,l) |
---|
463 | u(ij+u_lup,l)=um1(ij+u_lup,l)+tau*du(ij+u_lup,l) |
---|
464 | u(ij+u_ldown,l)=um1(ij+u_ldown,l)+tau*du(ij+u_ldown,l) |
---|
465 | theta_rhodz(ij,l)=theta_rhodzm1(ij,l)+tau*dtheta_rhodz(ij,l) |
---|
466 | ENDDO |
---|
467 | ENDDO |
---|
468 | |
---|
469 | IF(stage==nb_stage) THEN ! accumulate mass fluxes at last stage |
---|
470 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
471 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
472 | CALL accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, dt,fluxt_zero(ind)) |
---|
473 | END IF |
---|
474 | END DO |
---|
475 | |
---|
476 | CALL trace_end("RK_scheme") |
---|
477 | |
---|
478 | END SUBROUTINE RK_scheme |
---|
479 | |
---|
480 | SUBROUTINE leapfrog_matsuno_scheme(stage) |
---|
481 | IMPLICIT NONE |
---|
482 | INTEGER :: ind, stage |
---|
483 | REAL :: tau |
---|
484 | |
---|
485 | CALL trace_start("leapfrog_matsuno_scheme") |
---|
486 | |
---|
487 | tau = dt/nb_stage |
---|
488 | DO ind=1,ndomain |
---|
489 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
490 | CALL swap_dimensions(ind) |
---|
491 | CALL swap_geometry(ind) |
---|
492 | |
---|
493 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
494 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
495 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
---|
496 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
497 | |
---|
498 | |
---|
499 | IF (stage==1) THEN |
---|
500 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
---|
501 | ps(:)=psm1(:)+tau*dps(:) |
---|
502 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
503 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
504 | |
---|
505 | ELSE IF (stage==2) THEN |
---|
506 | |
---|
507 | ps(:)=psm1(:)+tau*dps(:) |
---|
508 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
509 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
510 | |
---|
511 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
512 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
513 | |
---|
514 | ELSE |
---|
515 | |
---|
516 | ps(:)=psm2(:)+2*tau*dps(:) |
---|
517 | u(:,:)=um2(:,:)+2*tau*du(:,:) |
---|
518 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*tau*dtheta_rhodz(:,:) |
---|
519 | |
---|
520 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
521 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
522 | |
---|
523 | ENDIF |
---|
524 | |
---|
525 | ENDDO |
---|
526 | CALL trace_end("leapfrog_matsuno_scheme") |
---|
527 | |
---|
528 | END SUBROUTINE leapfrog_matsuno_scheme |
---|
529 | |
---|
530 | END SUBROUTINE timeloop |
---|
531 | |
---|
532 | SUBROUTINE accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, tau,fluxt_zero) |
---|
533 | USE icosa |
---|
534 | USE omp_para |
---|
535 | USE disvert_mod |
---|
536 | IMPLICIT NONE |
---|
537 | REAL(rstd), INTENT(IN) :: hflux(3*iim*jjm,llm), wflux(iim*jjm,llm+1) |
---|
538 | REAL(rstd), INTENT(INOUT) :: hfluxt(3*iim*jjm,llm), wfluxt(iim*jjm,llm+1) |
---|
539 | REAL(rstd), INTENT(IN) :: tau |
---|
540 | LOGICAL, INTENT(INOUT) :: fluxt_zero |
---|
541 | INTEGER :: l,i,j,ij |
---|
542 | |
---|
543 | IF(fluxt_zero) THEN |
---|
544 | |
---|
545 | fluxt_zero=.FALSE. |
---|
546 | |
---|
547 | DO l=ll_begin,ll_end |
---|
548 | !$SIMD |
---|
549 | DO ij=ij_begin_ext,ij_end_ext |
---|
550 | hfluxt(ij+u_right,l) = tau*hflux(ij+u_right,l) |
---|
551 | hfluxt(ij+u_lup,l) = tau*hflux(ij+u_lup,l) |
---|
552 | hfluxt(ij+u_ldown,l) = tau*hflux(ij+u_ldown,l) |
---|
553 | ENDDO |
---|
554 | ENDDO |
---|
555 | |
---|
556 | IF(caldyn_eta==eta_mass) THEN ! no need for vertical fluxes if eta_lag |
---|
557 | DO l=ll_begin,ll_endp1 |
---|
558 | !$SIMD |
---|
559 | DO ij=ij_begin,ij_end |
---|
560 | wfluxt(ij,l) = tau*wflux(ij,l) |
---|
561 | ENDDO |
---|
562 | ENDDO |
---|
563 | END IF |
---|
564 | |
---|
565 | ELSE |
---|
566 | |
---|
567 | DO l=ll_begin,ll_end |
---|
568 | !$SIMD |
---|
569 | DO ij=ij_begin_ext,ij_end_ext |
---|
570 | hfluxt(ij+u_right,l) = hfluxt(ij+u_right,l)+tau*hflux(ij+u_right,l) |
---|
571 | hfluxt(ij+u_lup,l) = hfluxt(ij+u_lup,l)+tau*hflux(ij+u_lup,l) |
---|
572 | hfluxt(ij+u_ldown,l) = hfluxt(ij+u_ldown,l)+tau*hflux(ij+u_ldown,l) |
---|
573 | ENDDO |
---|
574 | ENDDO |
---|
575 | |
---|
576 | IF(caldyn_eta==eta_mass) THEN ! no need for vertical fluxes if eta_lag |
---|
577 | DO l=ll_begin,ll_endp1 |
---|
578 | !$SIMD |
---|
579 | DO ij=ij_begin,ij_end |
---|
580 | wfluxt(ij,l) = wfluxt(ij,l)+tau*wflux(ij,l) |
---|
581 | ENDDO |
---|
582 | ENDDO |
---|
583 | END IF |
---|
584 | |
---|
585 | END IF |
---|
586 | |
---|
587 | END SUBROUTINE accumulate_fluxes |
---|
588 | |
---|
589 | ! FUNCTION maxval_i(p) |
---|
590 | ! USE icosa |
---|
591 | ! IMPLICIT NONE |
---|
592 | ! REAL(rstd), DIMENSION(iim*jjm) :: p |
---|
593 | ! REAL(rstd) :: maxval_i |
---|
594 | ! INTEGER :: j, ij |
---|
595 | ! |
---|
596 | ! maxval_i=p((jj_begin-1)*iim+ii_begin) |
---|
597 | ! |
---|
598 | ! DO j=jj_begin-1,jj_end+1 |
---|
599 | ! ij=(j-1)*iim |
---|
600 | ! maxval_i = MAX(maxval_i, MAXVAL(p(ij+ii_begin:ij+ii_end))) |
---|
601 | ! END DO |
---|
602 | ! END FUNCTION maxval_i |
---|
603 | |
---|
604 | ! FUNCTION maxval_ik(p) |
---|
605 | ! USE icosa |
---|
606 | ! IMPLICIT NONE |
---|
607 | ! REAL(rstd) :: p(iim*jjm, llm) |
---|
608 | ! REAL(rstd) :: maxval_ik(llm) |
---|
609 | ! INTEGER :: l,j, ij |
---|
610 | ! |
---|
611 | ! DO l=1,llm |
---|
612 | ! maxval_ik(l)=p((jj_begin-1)*iim+ii_begin,l) |
---|
613 | ! DO j=jj_begin-1,jj_end+1 |
---|
614 | ! ij=(j-1)*iim |
---|
615 | ! maxval_ik(l) = MAX(maxval_ik(l), MAXVAL(p(ij+ii_begin:ij+ii_end,l))) |
---|
616 | ! END DO |
---|
617 | ! END DO |
---|
618 | ! END FUNCTION maxval_ik |
---|
619 | |
---|
620 | END MODULE timeloop_gcm_mod |
---|