1 | MODULE timeloop_gcm_mod |
---|
2 | |
---|
3 | PRIVATE |
---|
4 | |
---|
5 | PUBLIC :: timeloop |
---|
6 | |
---|
7 | INTEGER, PARAMETER :: euler=1, rk4=2, mlf=3 |
---|
8 | INTEGER :: itau_sync=10 |
---|
9 | |
---|
10 | CONTAINS |
---|
11 | |
---|
12 | SUBROUTINE timeloop |
---|
13 | USE icosa |
---|
14 | USE dissip_gcm_mod |
---|
15 | USE caldyn_mod |
---|
16 | USE etat0_mod |
---|
17 | USE guided_mod |
---|
18 | USE advect_tracer_mod |
---|
19 | USE physics_mod |
---|
20 | USE mpipara |
---|
21 | USE IOIPSL |
---|
22 | USE maxicosa |
---|
23 | USE check_conserve_mod |
---|
24 | USE trace |
---|
25 | USE transfert_mod |
---|
26 | IMPLICIT NONE |
---|
27 | TYPE(t_field),POINTER :: f_phis(:) |
---|
28 | ! TYPE(t_field),POINTER :: f_theta(:) |
---|
29 | TYPE(t_field),POINTER :: f_q(:) |
---|
30 | TYPE(t_field),POINTER :: f_dtheta(:), f_rhodz(:) |
---|
31 | TYPE(t_field),POINTER :: f_ps(:),f_psm1(:), f_psm2(:) |
---|
32 | TYPE(t_field),POINTER :: f_u(:),f_um1(:),f_um2(:) |
---|
33 | TYPE(t_field),POINTER :: f_theta_rhodz(:),f_theta_rhodzm1(:),f_theta_rhodzm2(:) |
---|
34 | TYPE(t_field),POINTER :: f_dps(:),f_dpsm1(:), f_dpsm2(:) |
---|
35 | TYPE(t_field),POINTER :: f_du(:),f_dum1(:),f_dum2(:) |
---|
36 | TYPE(t_field),POINTER :: f_dtheta_rhodz(:),f_dtheta_rhodzm1(:),f_dtheta_rhodzm2(:) |
---|
37 | TYPE(t_field),POINTER :: f_hflux(:), f_wflux(:), f_hfluxt(:), f_wfluxt(:) |
---|
38 | |
---|
39 | REAL(rstd),POINTER :: phis(:) |
---|
40 | REAL(rstd),POINTER :: q(:,:,:) |
---|
41 | REAL(rstd),POINTER :: ps(:) ,psm1(:), psm2(:) |
---|
42 | REAL(rstd),POINTER :: u(:,:) , um1(:,:), um2(:,:) |
---|
43 | REAL(rstd),POINTER :: rhodz(:,:), theta_rhodz(:,:) , theta_rhodzm1(:,:), theta_rhodzm2(:,:) |
---|
44 | REAL(rstd),POINTER :: dps(:), dpsm1(:), dpsm2(:) |
---|
45 | REAL(rstd),POINTER :: du(:,:), dum1(:,:), dum2(:,:) |
---|
46 | REAL(rstd),POINTER :: dtheta_rhodz(:,:),dtheta_rhodzm1(:,:),dtheta_rhodzm2(:,:) |
---|
47 | REAL(rstd),POINTER :: hflux(:,:),wflux(:,:),hfluxt(:,:),wfluxt(:,:) |
---|
48 | ! REAL(rstd) :: dt, run_length |
---|
49 | INTEGER :: ind |
---|
50 | INTEGER :: it,i,j,n, nb_stage, stage, matsuno_period, scheme |
---|
51 | CHARACTER(len=255) :: scheme_name |
---|
52 | LOGICAL :: fluxt_zero(ndomain) ! set to .TRUE. to start accumulating fluxes in time |
---|
53 | CHARACTER(len=7) :: first |
---|
54 | REAL(rstd),SAVE :: jD_cur, jH_cur |
---|
55 | REAL(rstd),SAVE :: start_time |
---|
56 | LOGICAL, PARAMETER :: check=.FALSE. |
---|
57 | ! INTEGER :: itaumax |
---|
58 | ! REAL(rstd) ::write_period |
---|
59 | ! INTEGER :: itau_out |
---|
60 | |
---|
61 | ! dt=90. |
---|
62 | ! CALL getin('dt',dt) |
---|
63 | |
---|
64 | ! itaumax=100 |
---|
65 | ! CALL getin('itaumax',itaumax) |
---|
66 | |
---|
67 | ! run_length=dt*itaumax |
---|
68 | ! CALL getin('run_length',run_length) |
---|
69 | ! itaumax=run_length/dt |
---|
70 | ! PRINT *,'itaumax=',itaumax |
---|
71 | ! dt=dt/scale_factor |
---|
72 | |
---|
73 | ! Trends |
---|
74 | CALL allocate_field(f_dps,field_t,type_real) |
---|
75 | CALL allocate_field(f_du,field_u,type_real,llm) |
---|
76 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm) |
---|
77 | ! Model state at current time step (RK/MLF/Euler) |
---|
78 | CALL allocate_field(f_phis,field_t,type_real) |
---|
79 | CALL allocate_field(f_ps,field_t,type_real) |
---|
80 | CALL allocate_field(f_u,field_u,type_real,llm) |
---|
81 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm) |
---|
82 | ! Model state at previous time step (RK/MLF) |
---|
83 | CALL allocate_field(f_psm1,field_t,type_real) |
---|
84 | CALL allocate_field(f_um1,field_u,type_real,llm) |
---|
85 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm) |
---|
86 | ! Tracers |
---|
87 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot) |
---|
88 | CALL allocate_field(f_rhodz,field_t,type_real,llm) |
---|
89 | ! Mass fluxes |
---|
90 | CALL allocate_field(f_hflux,field_u,type_real,llm) ! instantaneous mass fluxes |
---|
91 | CALL allocate_field(f_wflux,field_t,type_real,llm+1) ! computed by caldyn |
---|
92 | CALL allocate_field(f_hfluxt,field_u,type_real,llm) ! mass "fluxes" accumulated in time |
---|
93 | CALL allocate_field(f_wfluxt,field_t,type_real,llm+1) |
---|
94 | |
---|
95 | !---------------------------------------------------- |
---|
96 | IF (TRIM(time_style)=='lmd') Then |
---|
97 | |
---|
98 | day_step=180 |
---|
99 | CALL getin('day_step',day_step) |
---|
100 | |
---|
101 | ndays=1 |
---|
102 | CALL getin('ndays',ndays) |
---|
103 | |
---|
104 | dt = daysec/REAL(day_step) |
---|
105 | itaumax = ndays*day_step |
---|
106 | |
---|
107 | calend = 'earth_360d' |
---|
108 | CALL getin('calend', calend) |
---|
109 | |
---|
110 | day_ini = 0 |
---|
111 | CALL getin('day_ini',day_ini) |
---|
112 | |
---|
113 | day_end = 0 |
---|
114 | CALL getin('day_end',day_end) |
---|
115 | |
---|
116 | annee_ref = 1998 |
---|
117 | CALL getin('annee_ref',annee_ref) |
---|
118 | |
---|
119 | start_time = 0 |
---|
120 | CALL getin('start_time',start_time) |
---|
121 | |
---|
122 | write_period=0 |
---|
123 | CALL getin('write_period',write_period) |
---|
124 | |
---|
125 | write_period=write_period/scale_factor |
---|
126 | itau_out=FLOOR(write_period/dt) |
---|
127 | |
---|
128 | PRINT *, 'Output frequency (scaled) set to ',write_period, ' : itau_out = ',itau_out |
---|
129 | |
---|
130 | mois = 1 ; heure = 0. |
---|
131 | call ymds2ju(annee_ref, mois, day_ref, heure, jD_ref) |
---|
132 | jH_ref = jD_ref - int(jD_ref) |
---|
133 | jD_ref = int(jD_ref) |
---|
134 | |
---|
135 | CALL ioconf_startdate(INT(jD_ref),jH_ref) |
---|
136 | write(*,*)'annee_ref, mois, day_ref, heure, jD_ref' |
---|
137 | write(*,*)annee_ref, mois, day_ref, heure, jD_ref |
---|
138 | write(*,*)"ndays,day_step,itaumax,dt======>" |
---|
139 | write(*,*)ndays,day_step,itaumax,dt |
---|
140 | call ju2ymds(jD_ref+jH_ref,an, mois, jour, heure) |
---|
141 | write(*,*)'jD_ref+jH_ref,an, mois, jour, heure' |
---|
142 | write(*,*)jD_ref+jH_ref,an, mois, jour, heure |
---|
143 | day_end = day_ini + ndays |
---|
144 | END IF |
---|
145 | !---------------------------------------------------- |
---|
146 | |
---|
147 | scheme_name='runge_kutta' |
---|
148 | CALL getin('scheme',scheme_name) |
---|
149 | |
---|
150 | SELECT CASE (TRIM(scheme_name)) |
---|
151 | CASE('euler') |
---|
152 | scheme=euler |
---|
153 | nb_stage=1 |
---|
154 | CASE ('runge_kutta') |
---|
155 | scheme=rk4 |
---|
156 | nb_stage=4 |
---|
157 | CASE ('leapfrog_matsuno') |
---|
158 | scheme=mlf |
---|
159 | matsuno_period=5 |
---|
160 | CALL getin('matsuno_period',matsuno_period) |
---|
161 | nb_stage=matsuno_period+1 |
---|
162 | ! Model state 2 time steps ago (MLF) |
---|
163 | CALL allocate_field(f_psm2,field_t,type_real) |
---|
164 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
---|
165 | CALL allocate_field(f_um2,field_u,type_real,llm) |
---|
166 | CASE default |
---|
167 | PRINT*,'Bad selector for variable scheme : <', TRIM(scheme_name), & |
---|
168 | ' > options are <euler>, <runge_kutta>, <leapfrog_matsuno>' |
---|
169 | STOP |
---|
170 | END SELECT |
---|
171 | |
---|
172 | ! write_period=0 |
---|
173 | ! CALL getin('write_period',write_period) |
---|
174 | ! write_period=write_period/scale_factor |
---|
175 | ! itau_out=FLOOR(.5+write_period/dt) |
---|
176 | ! PRINT *, 'Output frequency (scaled) set to ',write_period, ' : itau_out = ',itau_out |
---|
177 | |
---|
178 | ! Trends at previous time steps needed only by Adams-Bashforth |
---|
179 | ! CALL allocate_field(f_dpsm1,field_t,type_real) |
---|
180 | ! CALL allocate_field(f_dpsm2,field_t,type_real) |
---|
181 | ! CALL allocate_field(f_dum1,field_u,type_real,llm) |
---|
182 | ! CALL allocate_field(f_dum2,field_u,type_real,llm) |
---|
183 | ! CALL allocate_field(f_dtheta_rhodzm1,field_t,type_real,llm) |
---|
184 | ! CALL allocate_field(f_dtheta_rhodzm2,field_t,type_real,llm) |
---|
185 | ! CALL allocate_field(f_theta,field_t,type_real,llm) |
---|
186 | ! CALL allocate_field(f_dtheta,field_t,type_real,llm) |
---|
187 | |
---|
188 | CALL init_dissip |
---|
189 | CALL init_caldyn |
---|
190 | CALL init_guided |
---|
191 | CALL init_advect_tracer |
---|
192 | CALL init_physics |
---|
193 | !========================================= INITIALIZATION |
---|
194 | ! CALL dynetat0(f_ps,f_phis,f_theta_rhodz,f_u,f_q) |
---|
195 | CALL etat0(f_ps,f_phis,f_theta_rhodz,f_u,f_q) |
---|
196 | CALL writefield("phis",f_phis,once=.TRUE.) |
---|
197 | CALL transfert_request(f_q,req_i1) |
---|
198 | |
---|
199 | DO ind=1,ndomain |
---|
200 | CALL swap_dimensions(ind) |
---|
201 | CALL swap_geometry(ind) |
---|
202 | rhodz=f_rhodz(ind); ps=f_ps(ind) |
---|
203 | CALL compute_rhodz(.TRUE., ps,rhodz) ! save rhodz for transport scheme before dynamics update ps |
---|
204 | END DO |
---|
205 | fluxt_zero=.TRUE. |
---|
206 | |
---|
207 | ! check that rhodz is consistent with ps |
---|
208 | CALL transfert_request(f_rhodz,req_i1) |
---|
209 | CALL transfert_request(f_ps,req_i1) |
---|
210 | DO ind=1,ndomain |
---|
211 | CALL swap_dimensions(ind) |
---|
212 | CALL swap_geometry(ind) |
---|
213 | rhodz=f_rhodz(ind); ps=f_ps(ind) |
---|
214 | CALL compute_rhodz(.FALSE., ps, rhodz) |
---|
215 | END DO |
---|
216 | |
---|
217 | CALL transfert_request(f_phis,req_i0) |
---|
218 | CALL transfert_request(f_phis,req_i1) |
---|
219 | CALL transfert_request(f_phis,req_i1) |
---|
220 | |
---|
221 | DO it=0,itaumax |
---|
222 | IF (MOD(it,itau_sync)==0) THEN |
---|
223 | CALL transfert_request(f_ps,req_i0) |
---|
224 | CALL transfert_request(f_theta_rhodz,req_i0) |
---|
225 | CALL transfert_request(f_u,req_e0_vect) |
---|
226 | CALL transfert_request(f_q,req_i0) |
---|
227 | ENDIF |
---|
228 | |
---|
229 | IF (mod(it,itau_out)==0 ) THEN |
---|
230 | ! IF (is_mpi_root) PRINT *,"It No :",It," t :",dt*It |
---|
231 | CALL update_time_counter(dt*it) |
---|
232 | CALL compute_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_theta_rhodz,f_u, f_q, & |
---|
240 | f_hflux, f_wflux, f_dps, 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 ('leapfrog') |
---|
249 | ! CALL leapfrog_scheme |
---|
250 | ! |
---|
251 | ! CASE ('adam_bashforth') |
---|
252 | ! CALL dissip(f_u,f_du,f_ps,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
---|
253 | ! CALL adam_bashforth_scheme |
---|
254 | CASE DEFAULT |
---|
255 | STOP |
---|
256 | END SELECT |
---|
257 | END DO |
---|
258 | |
---|
259 | IF (MOD(it+1,itau_dissip)==0) THEN |
---|
260 | CALL dissip(f_u,f_du,f_ps,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
---|
261 | CALL euler_scheme(.FALSE.) |
---|
262 | ENDIF |
---|
263 | |
---|
264 | IF(MOD(it+1,itau_adv)==0) THEN |
---|
265 | ! CALL transfert_request(f_wfluxt,req_i1) ! FIXME |
---|
266 | ! CALL transfert_request(f_hfluxt,req_e1) ! FIXME |
---|
267 | |
---|
268 | CALL advect_tracer(f_hfluxt,f_wfluxt,f_u, f_q,f_rhodz) ! update q and rhodz after RK step |
---|
269 | fluxt_zero=.TRUE. |
---|
270 | |
---|
271 | ! FIXME : check that rhodz is consistent with ps |
---|
272 | IF (check) THEN |
---|
273 | CALL transfert_request(f_rhodz,req_i1) |
---|
274 | CALL transfert_request(f_ps,req_i1) |
---|
275 | CALL transfert_request(f_dps,req_i1) ! FIXME |
---|
276 | CALL transfert_request(f_wflux,req_i1) ! FIXME |
---|
277 | DO ind=1,ndomain |
---|
278 | CALL swap_dimensions(ind) |
---|
279 | CALL swap_geometry(ind) |
---|
280 | rhodz=f_rhodz(ind); ps=f_ps(ind); dps=f_dps(ind); |
---|
281 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
282 | CALL compute_rhodz(.FALSE., ps, rhodz) |
---|
283 | END DO |
---|
284 | ENDIF |
---|
285 | END IF |
---|
286 | !---------------------------------------------------- |
---|
287 | jD_cur = jD_ref + day_ini - day_ref + it/day_step |
---|
288 | jH_cur = jH_ref + start_time + mod(it,day_step)/float(day_step) |
---|
289 | jD_cur = jD_cur + int(jH_cur) |
---|
290 | jH_cur = jH_cur - int(jH_cur) |
---|
291 | ! print*,"Just b4 phys" |
---|
292 | CALL physics(it,jD_cur,jH_cur,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
---|
293 | !---------------------------------------------------- |
---|
294 | ! CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_q) |
---|
295 | ENDDO |
---|
296 | |
---|
297 | CONTAINS |
---|
298 | |
---|
299 | SUBROUTINE Euler_scheme(with_dps) |
---|
300 | IMPLICIT NONE |
---|
301 | LOGICAL :: with_dps |
---|
302 | INTEGER :: ind |
---|
303 | INTEGER :: i,j,ij,l |
---|
304 | CALL trace_start("Euler_scheme") |
---|
305 | |
---|
306 | DO ind=1,ndomain |
---|
307 | CALL swap_dimensions(ind) |
---|
308 | CALL swap_geometry(ind) |
---|
309 | IF(with_dps) THEN |
---|
310 | ps=f_ps(ind) ; dps=f_dps(ind) ; |
---|
311 | |
---|
312 | DO j=jj_begin,jj_end |
---|
313 | DO i=ii_begin,ii_end |
---|
314 | ij=(j-1)*iim+i |
---|
315 | ps(ij)=ps(ij)+dt*dps(ij) |
---|
316 | ENDDO |
---|
317 | ENDDO |
---|
318 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
319 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
320 | CALL accumulate_fluxes(hflux,wflux,hfluxt,wfluxt,dt,fluxt_zero(ind)) |
---|
321 | END IF |
---|
322 | |
---|
323 | u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
324 | du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
325 | |
---|
326 | DO l=1,llm |
---|
327 | DO j=jj_begin,jj_end |
---|
328 | DO i=ii_begin,ii_end |
---|
329 | ij=(j-1)*iim+i |
---|
330 | u(ij+u_right,l)=u(ij+u_right,l)+dt*du(ij+u_right,l) |
---|
331 | u(ij+u_lup,l)=u(ij+u_lup,l)+dt*du(ij+u_lup,l) |
---|
332 | u(ij+u_ldown,l)=u(ij+u_ldown,l)+dt*du(ij+u_ldown,l) |
---|
333 | theta_rhodz(ij,l)=theta_rhodz(ij,l)+dt*dtheta_rhodz(ij,l) |
---|
334 | ENDDO |
---|
335 | ENDDO |
---|
336 | ENDDO |
---|
337 | ENDDO |
---|
338 | |
---|
339 | CALL trace_end("Euler_scheme") |
---|
340 | |
---|
341 | END SUBROUTINE Euler_scheme |
---|
342 | |
---|
343 | SUBROUTINE RK_scheme(stage) |
---|
344 | IMPLICIT NONE |
---|
345 | INTEGER :: ind, stage |
---|
346 | REAL(rstd), DIMENSION(4), PARAMETER :: coef = (/ .25, 1./3., .5, 1. /) |
---|
347 | REAL(rstd) :: tau |
---|
348 | INTEGER :: i,j,ij,l |
---|
349 | |
---|
350 | CALL trace_start("RK_scheme") |
---|
351 | |
---|
352 | tau = dt*coef(stage) |
---|
353 | |
---|
354 | DO ind=1,ndomain |
---|
355 | CALL swap_dimensions(ind) |
---|
356 | CALL swap_geometry(ind) |
---|
357 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
358 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
359 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
360 | |
---|
361 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
---|
362 | |
---|
363 | DO j=jj_begin,jj_end |
---|
364 | DO i=ii_begin,ii_end |
---|
365 | ij=(j-1)*iim+i |
---|
366 | psm1(ij)=ps(ij) |
---|
367 | ENDDO |
---|
368 | ENDDO |
---|
369 | |
---|
370 | DO l=1,llm |
---|
371 | DO j=jj_begin,jj_end |
---|
372 | DO i=ii_begin,ii_end |
---|
373 | ij=(j-1)*iim+i |
---|
374 | um1(ij+u_right,l)=u(ij+u_right,l) |
---|
375 | um1(ij+u_lup,l)=u(ij+u_lup,l) |
---|
376 | um1(ij+u_ldown,l)=u(ij+u_ldown,l) |
---|
377 | theta_rhodzm1(ij,l)=theta_rhodz(ij,l) |
---|
378 | ENDDO |
---|
379 | ENDDO |
---|
380 | ENDDO |
---|
381 | |
---|
382 | END IF |
---|
383 | ! updates are of the form x1 := x0 + tau*f(x1) |
---|
384 | DO j=jj_begin,jj_end |
---|
385 | DO i=ii_begin,ii_end |
---|
386 | ij=(j-1)*iim+i |
---|
387 | ps(ij)=psm1(ij)+tau*dps(ij) |
---|
388 | ENDDO |
---|
389 | ENDDO |
---|
390 | |
---|
391 | DO l=1,llm |
---|
392 | DO j=jj_begin,jj_end |
---|
393 | DO i=ii_begin,ii_end |
---|
394 | ij=(j-1)*iim+i |
---|
395 | u(ij+u_right,l)=um1(ij+u_right,l)+tau*du(ij+u_right,l) |
---|
396 | u(ij+u_lup,l)=um1(ij+u_lup,l)+tau*du(ij+u_lup,l) |
---|
397 | u(ij+u_ldown,l)=um1(ij+u_ldown,l)+tau*du(ij+u_ldown,l) |
---|
398 | theta_rhodz(ij,l)=theta_rhodzm1(ij,l)+tau*dtheta_rhodz(ij,l) |
---|
399 | ENDDO |
---|
400 | ENDDO |
---|
401 | ENDDO |
---|
402 | |
---|
403 | IF(stage==nb_stage) THEN ! accumulate mass fluxes at last stage |
---|
404 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
405 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
406 | CALL accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, dt,fluxt_zero(ind)) |
---|
407 | END IF |
---|
408 | END DO |
---|
409 | |
---|
410 | CALL trace_end("RK_scheme") |
---|
411 | |
---|
412 | END SUBROUTINE RK_scheme |
---|
413 | |
---|
414 | SUBROUTINE leapfrog_scheme |
---|
415 | IMPLICIT NONE |
---|
416 | INTEGER :: ind |
---|
417 | |
---|
418 | CALL trace_start("leapfrog_scheme") |
---|
419 | |
---|
420 | DO ind=1,ndomain |
---|
421 | CALL swap_dimensions(ind) |
---|
422 | CALL swap_geometry(ind) |
---|
423 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
424 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
425 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
---|
426 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
427 | |
---|
428 | IF (it==0) THEN |
---|
429 | psm2(:)=ps(:) ; theta_rhodzm2(:,:)=theta_rhodz(:,:) ; um2(:,:)=u(:,:) |
---|
430 | |
---|
431 | ps(:)=ps(:)+dt*dps(:) |
---|
432 | u(:,:)=u(:,:)+dt*du(:,:) |
---|
433 | theta_rhodz(:,:)=theta_rhodz(:,:)+dt*dtheta_rhodz(:,:) |
---|
434 | |
---|
435 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
436 | ELSE |
---|
437 | |
---|
438 | ps(:)=psm2(:)+2*dt*dps(:) |
---|
439 | u(:,:)=um2(:,:)+2*dt*du(:,:) |
---|
440 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*dt*dtheta_rhodz(:,:) |
---|
441 | |
---|
442 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
443 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
444 | ENDIF |
---|
445 | |
---|
446 | ENDDO |
---|
447 | |
---|
448 | CALL trace_end("leapfrog_scheme") |
---|
449 | |
---|
450 | END SUBROUTINE leapfrog_scheme |
---|
451 | |
---|
452 | SUBROUTINE leapfrog_matsuno_scheme(stage) |
---|
453 | IMPLICIT NONE |
---|
454 | INTEGER :: ind, stage |
---|
455 | REAL :: tau |
---|
456 | |
---|
457 | CALL trace_start("leapfrog_matsuno_scheme") |
---|
458 | |
---|
459 | tau = dt/nb_stage |
---|
460 | DO ind=1,ndomain |
---|
461 | CALL swap_dimensions(ind) |
---|
462 | CALL swap_geometry(ind) |
---|
463 | |
---|
464 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
465 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
466 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
---|
467 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
468 | |
---|
469 | |
---|
470 | ! IF (MOD(it,matsuno_period+1)==0) THEN |
---|
471 | IF (stage==1) THEN |
---|
472 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
---|
473 | ps(:)=psm1(:)+tau*dps(:) |
---|
474 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
475 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
476 | |
---|
477 | ! ELSE IF (MOD(it,matsuno_period+1)==1) THEN |
---|
478 | ELSE IF (stage==2) THEN |
---|
479 | |
---|
480 | ps(:)=psm1(:)+tau*dps(:) |
---|
481 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
482 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
483 | |
---|
484 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
485 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
486 | |
---|
487 | ELSE |
---|
488 | |
---|
489 | ps(:)=psm2(:)+2*tau*dps(:) |
---|
490 | u(:,:)=um2(:,:)+2*tau*du(:,:) |
---|
491 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*tau*dtheta_rhodz(:,:) |
---|
492 | |
---|
493 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
494 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
495 | |
---|
496 | ENDIF |
---|
497 | |
---|
498 | ENDDO |
---|
499 | CALL trace_end("leapfrog_matsuno_scheme") |
---|
500 | |
---|
501 | END SUBROUTINE leapfrog_matsuno_scheme |
---|
502 | |
---|
503 | SUBROUTINE adam_bashforth_scheme |
---|
504 | IMPLICIT NONE |
---|
505 | INTEGER :: ind |
---|
506 | |
---|
507 | CALL trace_start("adam_bashforth_scheme") |
---|
508 | |
---|
509 | DO ind=1,ndomain |
---|
510 | CALL swap_dimensions(ind) |
---|
511 | CALL swap_geometry(ind) |
---|
512 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
513 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
514 | dpsm1=f_dpsm1(ind) ; dum1=f_dum1(ind) ; dtheta_rhodzm1=f_dtheta_rhodzm1(ind) |
---|
515 | dpsm2=f_dpsm2(ind) ; dum2=f_dum2(ind) ; dtheta_rhodzm2=f_dtheta_rhodzm2(ind) |
---|
516 | |
---|
517 | IF (it==0) THEN |
---|
518 | dpsm1(:)=dps(:) ; dum1(:,:)=du(:,:) ; dtheta_rhodzm1(:,:)=dtheta_rhodz(:,:) |
---|
519 | dpsm2(:)=dpsm1(:) ; dum2(:,:)=dum1(:,:) ; dtheta_rhodzm2(:,:)=dtheta_rhodzm1(:,:) |
---|
520 | ENDIF |
---|
521 | |
---|
522 | ps(:)=ps(:)+dt*(23*dps(:)-16*dpsm1(:)+5*dpsm2(:))/12 |
---|
523 | u(:,:)=u(:,:)+dt*(23*du(:,:)-16*dum1(:,:)+5*dum2(:,:))/12 |
---|
524 | theta_rhodz(:,:)=theta_rhodz(:,:)+dt*(23*dtheta_rhodz(:,:)-16*dtheta_rhodzm1(:,:)+5*dtheta_rhodzm2(:,:))/12 |
---|
525 | |
---|
526 | dpsm2(:)=dpsm1(:) ; dum2(:,:)=dum1(:,:) ; dtheta_rhodzm2(:,:)=dtheta_rhodzm1(:,:) |
---|
527 | dpsm1(:)=dps(:) ; dum1(:,:)=du(:,:) ; dtheta_rhodzm1(:,:)=dtheta_rhodz(:,:) |
---|
528 | |
---|
529 | ENDDO |
---|
530 | |
---|
531 | CALL trace_end("adam_bashforth_scheme") |
---|
532 | |
---|
533 | END SUBROUTINE adam_bashforth_scheme |
---|
534 | |
---|
535 | END SUBROUTINE timeloop |
---|
536 | |
---|
537 | SUBROUTINE compute_rhodz(comp, ps, rhodz) |
---|
538 | USE icosa |
---|
539 | USE disvert_mod |
---|
540 | LOGICAL, INTENT(IN) :: comp ! .TRUE. to compute, .FALSE. to check |
---|
541 | REAL(rstd), INTENT(IN) :: ps(iim*jjm) |
---|
542 | REAL(rstd), INTENT(INOUT) :: rhodz(iim*jjm,llm) |
---|
543 | REAL(rstd) :: m, err |
---|
544 | INTEGER :: l,i,j,ij,dd |
---|
545 | err=0. |
---|
546 | IF(comp) THEN |
---|
547 | dd=1 |
---|
548 | ELSE |
---|
549 | ! dd=-1 |
---|
550 | dd=0 |
---|
551 | END IF |
---|
552 | |
---|
553 | DO l = 1, llm |
---|
554 | DO j=jj_begin-dd,jj_end+dd |
---|
555 | DO i=ii_begin-dd,ii_end+dd |
---|
556 | ij=(j-1)*iim+i |
---|
557 | m = ( ap(l) - ap(l+1) + (bp(l)-bp(l+1))*ps(ij) )/g |
---|
558 | IF(comp) THEN |
---|
559 | rhodz(ij,l) = m |
---|
560 | ELSE |
---|
561 | err = MAX(err,abs(m-rhodz(ij,l))) |
---|
562 | END IF |
---|
563 | ENDDO |
---|
564 | ENDDO |
---|
565 | ENDDO |
---|
566 | |
---|
567 | IF(.NOT. comp) THEN |
---|
568 | IF(err>1e-10) THEN |
---|
569 | PRINT *, 'Discrepancy between ps and rhodz detected', err |
---|
570 | STOP |
---|
571 | ELSE |
---|
572 | PRINT *, 'No discrepancy between ps and rhodz detected' |
---|
573 | END IF |
---|
574 | END IF |
---|
575 | |
---|
576 | END SUBROUTINE compute_rhodz |
---|
577 | |
---|
578 | SUBROUTINE accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, tau,fluxt_zero) |
---|
579 | USE icosa |
---|
580 | REAL(rstd), INTENT(IN) :: hflux(3*iim*jjm,llm), wflux(iim*jjm,llm+1) |
---|
581 | REAL(rstd), INTENT(INOUT) :: hfluxt(3*iim*jjm,llm), wfluxt(iim*jjm,llm+1) |
---|
582 | REAL(rstd), INTENT(IN) :: tau |
---|
583 | LOGICAL, INTENT(INOUT) :: fluxt_zero |
---|
584 | INTEGER :: l,i,j,ij |
---|
585 | |
---|
586 | IF(fluxt_zero) THEN |
---|
587 | ! PRINT *, 'Accumulating fluxes (first)' |
---|
588 | fluxt_zero=.FALSE. |
---|
589 | DO l=1,llm |
---|
590 | DO j=jj_begin-1,jj_end+1 |
---|
591 | DO i=ii_begin-1,ii_end+1 |
---|
592 | ij=(j-1)*iim+i |
---|
593 | hfluxt(ij+u_right,l) = tau*hflux(ij+u_right,l) |
---|
594 | hfluxt(ij+u_lup,l) = tau*hflux(ij+u_lup,l) |
---|
595 | hfluxt(ij+u_ldown,l) = tau*hflux(ij+u_ldown,l) |
---|
596 | ENDDO |
---|
597 | ENDDO |
---|
598 | ENDDO |
---|
599 | |
---|
600 | DO l=1,llm+1 |
---|
601 | DO j=jj_begin,jj_end |
---|
602 | DO i=ii_begin,ii_end |
---|
603 | ij=(j-1)*iim+i |
---|
604 | wfluxt(ij,l) = tau*wflux(ij,l) |
---|
605 | ENDDO |
---|
606 | ENDDO |
---|
607 | ENDDO |
---|
608 | ELSE |
---|
609 | ! PRINT *, 'Accumulating fluxes (next)' |
---|
610 | DO l=1,llm |
---|
611 | DO j=jj_begin-1,jj_end+1 |
---|
612 | DO i=ii_begin-1,ii_end+1 |
---|
613 | ij=(j-1)*iim+i |
---|
614 | hfluxt(ij+u_right,l) = hfluxt(ij+u_right,l)+tau*hflux(ij+u_right,l) |
---|
615 | hfluxt(ij+u_lup,l) = hfluxt(ij+u_lup,l)+tau*hflux(ij+u_lup,l) |
---|
616 | hfluxt(ij+u_ldown,l) = hfluxt(ij+u_ldown,l)+tau*hflux(ij+u_ldown,l) |
---|
617 | ENDDO |
---|
618 | ENDDO |
---|
619 | ENDDO |
---|
620 | |
---|
621 | DO l=1,llm+1 |
---|
622 | DO j=jj_begin,jj_end |
---|
623 | DO i=ii_begin,ii_end |
---|
624 | ij=(j-1)*iim+i |
---|
625 | wfluxt(ij,l) = wfluxt(ij,l)+tau*wflux(ij,l) |
---|
626 | ENDDO |
---|
627 | ENDDO |
---|
628 | ENDDO |
---|
629 | |
---|
630 | END IF |
---|
631 | END SUBROUTINE accumulate_fluxes |
---|
632 | |
---|
633 | END MODULE timeloop_gcm_mod |
---|