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leapfrog.F @ 1502

Last change on this file since 1502 was 1502, checked in by jghattas, 13 years ago

Modifications for variable idissip :

Changed name of variable idissip to dissip_period everywhere to be compatible with old .def files.
This variable was before read from physiq.def but the value was overwritten by a calculation in inidissip. Now, if dissip_period=0 calculation is done as before(default). Else the value from physiq.def is used directly.
leapfrog : added "AND NOT forward" at line 284 (dyn3d) and line 363(dyn3dpar) necessare if dissip_period not a multiple by iperiod.
iniconst : removed calculation of dtdiss (calculation done in inidissip)

FC, JG

Property svn:eol-style set to native
Property svn:keywords set to Author Date Id Revision

File size: 23.6 KB

Line
1	!
2	! $Id: leapfrog.F 1502 2011-03-21 16:07:54Z jghattas $
3	!
4	c
5	c
6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,clesphy0,
7	& time_0)
8
9
10	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
11	#ifdef CPP_IOIPSL
12	use IOIPSL
13	#endif
14	USE infotrac
15	USE guide_mod, ONLY : guide_main
16	USE write_field
17	USE control_mod
18	IMPLICIT NONE
19
20	c ...... Version du 10/01/98 ..........
21
22	c avec coordonnees verticales hybrides
23	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
24
25	c=======================================================================
26	c
27	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
28	c -------
29	c
30	c Objet:
31	c ------
32	c
33	c GCM LMD nouvelle grille
34	c
35	c=======================================================================
36	c
37	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
38	c et possibilite d'appeler une fonction f(y) a derivee tangente
39	c hyperbolique a la place de la fonction a derivee sinusoidale.
40
41	c ... Possibilite de choisir le shema pour l'advection de
42	c q , en modifiant iadv dans traceur.def (10/02) .
43	c
44	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
45	c Pour Van-Leer iadv=10
46	c
47	c-----------------------------------------------------------------------
48	c Declarations:
49	c -------------
50
51	#include "dimensions.h"
52	#include "paramet.h"
53	#include "comconst.h"
54	#include "comdissnew.h"
55	#include "comvert.h"
56	#include "comgeom.h"
57	#include "logic.h"
58	#include "temps.h"
59	#include "ener.h"
60	#include "description.h"
61	#include "serre.h"
62	!#include "com_io_dyn.h"
63	#include "iniprint.h"
64	#include "academic.h"
65
66	! FH 2008/05/09 On elimine toutes les clefs physiques dans la dynamique
67	! #include "clesphys.h"
68
69	INTEGER longcles
70	PARAMETER ( longcles = 20 )
71	REAL clesphy0( longcles )
72
73	real zqmin,zqmax
74	INTEGER nbetatmoy, nbetatdem,nbetat
75
76	c variables dynamiques
77	REAL vcov(ip1jm,llm),ucov(ip1jmp1,llm) ! vents covariants
78	REAL teta(ip1jmp1,llm) ! temperature potentielle
79	REAL q(ip1jmp1,llm,nqtot) ! champs advectes
80	REAL ps(ip1jmp1) ! pression au sol
81	REAL p (ip1jmp1,llmp1 ) ! pression aux interfac.des couches
82	REAL pks(ip1jmp1) ! exner au sol
83	REAL pk(ip1jmp1,llm) ! exner au milieu des couches
84	REAL pkf(ip1jmp1,llm) ! exner filt.au milieu des couches
85	REAL masse(ip1jmp1,llm) ! masse d'air
86	REAL phis(ip1jmp1) ! geopotentiel au sol
87	REAL phi(ip1jmp1,llm) ! geopotentiel
88	REAL w(ip1jmp1,llm) ! vitesse verticale
89
90	c variables dynamiques intermediaire pour le transport
91	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
92
93	c variables dynamiques au pas -1
94	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
95	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
96	REAL massem1(ip1jmp1,llm)
97
98	c tendances dynamiques
99	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
100	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
101
102	c tendances de la dissipation
103	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
104	REAL dtetadis(ip1jmp1,llm)
105
106	c tendances physiques
107	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
108	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
109
110	c variables pour le fichier histoire
111	REAL dtav ! intervalle de temps elementaire
112
113	REAL tppn(iim),tpps(iim),tpn,tps
114	c
115	INTEGER itau,itaufinp1,iav
116	! INTEGER iday ! jour julien
117	REAL time
118
119	REAL SSUM
120	REAL time_0 , finvmaold(ip1jmp1,llm)
121
122	cym LOGICAL lafin
123	LOGICAL :: lafin=.false.
124	INTEGER ij,iq,l
125	INTEGER ik
126
127	real time_step, t_wrt, t_ops
128
129	! REAL rdayvrai,rdaym_ini
130	! jD_cur: jour julien courant
131	! jH_cur: heure julienne courante
132	REAL :: jD_cur, jH_cur
133	INTEGER :: an, mois, jour
134	REAL :: secondes
135
136	LOGICAL first,callinigrads
137	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
138	save first
139	data first/.true./
140	real dt_cum
141	character*10 infile
142	integer zan, tau0, thoriid
143	integer nid_ctesGCM
144	save nid_ctesGCM
145	real degres
146	real rlong(iip1), rlatg(jjp1)
147	real zx_tmp_2d(iip1,jjp1)
148	integer ndex2d(iip1*jjp1)
149	logical ok_sync
150	parameter (ok_sync = .true.)
151
152	data callinigrads/.true./
153	character*10 string10
154
155	REAL alpha(ip1jmp1,llm),beta(ip1jmp1,llm)
156	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
157
158	c+jld variables test conservation energie
159	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
160	C Tendance de la temp. potentiel d (theta)/ d t due a la
161	C tansformation d'energie cinetique en energie thermique
162	C cree par la dissipation
163	REAL dtetaecdt(ip1jmp1,llm)
164	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
165	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
166	REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
167	CHARACTER*15 ztit
168	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
169	!IM SAVE ip_ebil_dyn
170	!IM DATA ip_ebil_dyn/0/
171	c-jld
172
173	character*80 dynhist_file, dynhistave_file
174	character(len=20) :: modname
175	character*80 abort_message
176
177	logical dissip_conservative
178	save dissip_conservative
179	data dissip_conservative/.true./
180
181	LOGICAL prem
182	save prem
183	DATA prem/.true./
184	INTEGER testita
185	PARAMETER (testita = 9)
186
187	logical , parameter :: flag_verif = .false.
188
189
190	integer itau_w ! pas de temps ecriture = itap + itau_phy
191
192
193	itaufin = nday*day_step
194	itaufinp1 = itaufin +1
195	modname="leapfrog"
196
197
198	itau = 0
199	c iday = day_ini+itau/day_step
200	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
201	c IF(time.GT.1.) THEN
202	c time = time-1.
203	c iday = iday+1
204	c ENDIF
205
206
207	c-----------------------------------------------------------------------
208	c On initialise la pression et la fonction d'Exner :
209	c --------------------------------------------------
210
211	dq(:,:,:)=0.
212	CALL pression ( ip1jmp1, ap, bp, ps, p )
213	CALL exner_hyb( ip1jmp1, ps, p,alpha,beta, pks, pk, pkf )
214
215	c-----------------------------------------------------------------------
216	c Debut de l'integration temporelle:
217	c ----------------------------------
218
219	1 CONTINUE
220
221	jD_cur = jD_ref + day_ini - day_ref + int (itau * dtvr / daysec)
222	jH_cur = jH_ref + &
223	& (itau * dtvr / daysec - int(itau * dtvr / daysec))
224
225
226	#ifdef CPP_IOIPSL
227	if (ok_guide) then
228	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
229	endif
230	#endif
231
232
233	c
234	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
235	c CALL test_period ( ucov,vcov,teta,q,p,phis )
236	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
237	c ENDIF
238	c
239
240	! Save fields obtained at previous time step as '...m1'
241	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
242	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
243	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
244	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
245	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
246
247	forward = .TRUE.
248	leapf = .FALSE.
249	dt = dtvr
250
251	c ... P.Le Van .26/04/94 ....
252
253	CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
254	CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
255
256	2 CONTINUE
257
258	c-----------------------------------------------------------------------
259
260	c date:
261	c -----
262
263
264	c gestion des appels de la physique et des dissipations:
265	c ------------------------------------------------------
266	c
267	c ... P.Le Van ( 6/02/95 ) ....
268
269	apphys = .FALSE.
270	statcl = .FALSE.
271	conser = .FALSE.
272	apdiss = .FALSE.
273
274	IF( purmats ) THEN
275	! Purely Matsuno time stepping
276	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
277	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
278	s apdiss = .TRUE.
279	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
280	s .and. iflag_phys.EQ.1 ) apphys = .TRUE.
281	ELSE
282	! Leapfrog/Matsuno time stepping
283	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
284	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
285	s apdiss = .TRUE.
286	IF( MOD(itau+1,iphysiq).EQ.0.AND.iflag_phys.EQ.1) apphys=.TRUE.
287	END IF
288
289	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
290	! supress dissipation step
291	if (llm.eq.1) then
292	apdiss=.false.
293	endif
294
295	c-----------------------------------------------------------------------
296	c calcul des tendances dynamiques:
297	c --------------------------------
298
299	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
300
301	time = jD_cur + jH_cur
302	CALL caldyn
303	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
304	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
305
306
307	c-----------------------------------------------------------------------
308	c calcul des tendances advection des traceurs (dont l'humidite)
309	c -------------------------------------------------------------
310
311	IF( forward. OR . leapf ) THEN
312
313	CALL caladvtrac(q,pbaru,pbarv,
314	* p, masse, dq, teta,
315	. flxw, pk)
316
317	IF (offline) THEN
318	Cmaf stokage du flux de masse pour traceurs OFF-LINE
319
320	#ifdef CPP_IOIPSL
321	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
322	. dtvr, itau)
323	#endif
324
325
326	ENDIF ! of IF (offline)
327	c
328	ENDIF ! of IF( forward. OR . leapf )
329
330
331	c-----------------------------------------------------------------------
332	c integrations dynamique et traceurs:
333	c ----------------------------------
334
335
336	CALL integrd ( 2,vcovm1,ucovm1,tetam1,psm1,massem1 ,
337	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis ,
338	$ finvmaold )
339
340
341	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
342	c
343	c-----------------------------------------------------------------------
344	c calcul des tendances physiques:
345	c -------------------------------
346	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
347	c
348	IF( purmats ) THEN
349	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
350	ELSE
351	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
352	ENDIF
353	c
354	c
355	IF( apphys ) THEN
356	c
357	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
358	c
359
360	CALL pression ( ip1jmp1, ap, bp, ps, p )
361	CALL exner_hyb( ip1jmp1, ps, p,alpha,beta,pks, pk, pkf )
362
363	! rdaym_ini = itau * dtvr / daysec
364	! rdayvrai = rdaym_ini + day_ini
365	jD_cur = jD_ref + day_ini - day_ref
366	$ + int (itau * dtvr / daysec)
367	jH_cur = jH_ref + &
368	& (itau * dtvr / daysec - int(itau * dtvr / daysec))
369	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
370	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
371	! write(lunout,*)'current date = ',an, mois, jour, secondes
372
373	c rajout debug
374	c lafin = .true.
375
376
377	c Inbterface avec les routines de phylmd (phymars ... )
378	c -----------------------------------------------------
379
380	c+jld
381
382	c Diagnostique de conservation de l'énergie : initialisation
383	IF (ip_ebil_dyn.ge.1 ) THEN
384	ztit='bil dyn'
385	! Ehouarn: be careful, diagedyn is Earth-specific (includes ../phylmd/..)!
386	IF (planet_type.eq."earth") THEN
387	CALL diagedyn(ztit,2,1,1,dtphys
388	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
389	ENDIF
390	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
391	c-jld
392	#ifdef CPP_IOIPSL
393	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
394	IF (first) THEN
395	first=.false.
396	#include "ini_paramLMDZ_dyn.h"
397	ENDIF
398	c
399	#include "write_paramLMDZ_dyn.h"
400	c
401	#endif
402	! #endif of #ifdef CPP_IOIPSL
403	CALL calfis( lafin , jD_cur, jH_cur,
404	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
405	$ du,dv,dteta,dq,
406	$ flxw,
407	$ clesphy0, dufi,dvfi,dtetafi,dqfi,dpfi )
408
409	IF (ok_strato) THEN
410	CALL top_bound( vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
411	ENDIF
412
413	c ajout des tendances physiques:
414	c ------------------------------
415	CALL addfi( dtphys, leapf, forward ,
416	$ ucov, vcov, teta , q ,ps ,
417	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
418	c
419	c Diagnostique de conservation de l'énergie : difference
420	IF (ip_ebil_dyn.ge.1 ) THEN
421	ztit='bil phys'
422	IF (planet_type.eq."earth") THEN
423	CALL diagedyn(ztit,2,1,1,dtphys
424	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
425	ENDIF
426	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
427
428	ENDIF ! of IF( apphys )
429
430	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
431	! Academic case : Simple friction and Newtonan relaxation
432	! -------------------------------------------------------
433	DO l=1,llm
434	DO ij=1,ip1jmp1
435	teta(ij,l)=teta(ij,l)-dtvr*
436	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
437	ENDDO
438	ENDDO ! of DO l=1,llm
439	call friction(ucov,vcov,dtvr)
440
441	! Sponge layer (if any)
442	IF (ok_strato) THEN
443	dufi(:,:)=0.
444	dvfi(:,:)=0.
445	dtetafi(:,:)=0.
446	dqfi(:,:,:)=0.
447	dpfi(:)=0.
448	CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
449	CALL addfi( dtvr, leapf, forward ,
450	$ ucov, vcov, teta , q ,ps ,
451	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
452	ENDIF ! of IF (ok_strato)
453	ENDIF ! of IF (iflag_phys.EQ.2)
454
455
456	c-jld
457
458	CALL pression ( ip1jmp1, ap, bp, ps, p )
459	CALL exner_hyb( ip1jmp1, ps, p,alpha,beta, pks, pk, pkf )
460
461
462	c-----------------------------------------------------------------------
463	c dissipation horizontale et verticale des petites echelles:
464	c ----------------------------------------------------------
465
466	IF(apdiss) THEN
467
468
469	c calcul de l'energie cinetique avant dissipation
470	call covcont(llm,ucov,vcov,ucont,vcont)
471	call enercin(vcov,ucov,vcont,ucont,ecin0)
472
473	c dissipation
474	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
475	ucov=ucov+dudis
476	vcov=vcov+dvdis
477	c teta=teta+dtetadis
478
479
480	c------------------------------------------------------------------------
481	if (dissip_conservative) then
482	C On rajoute la tendance due a la transform. Ec -> E therm. cree
483	C lors de la dissipation
484	call covcont(llm,ucov,vcov,ucont,vcont)
485	call enercin(vcov,ucov,vcont,ucont,ecin)
486	dtetaecdt= (ecin0-ecin)/ pk
487	c teta=teta+dtetaecdt
488	dtetadis=dtetadis+dtetaecdt
489	endif
490	teta=teta+dtetadis
491	c------------------------------------------------------------------------
492
493
494	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
495	c ... Calcul de la valeur moyenne, unique de h aux poles .....
496	c
497
498	DO l = 1, llm
499	DO ij = 1,iim
500	tppn(ij) = aire( ij ) * teta( ij ,l)
501	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
502	ENDDO
503	tpn = SSUM(iim,tppn,1)/apoln
504	tps = SSUM(iim,tpps,1)/apols
505
506	DO ij = 1, iip1
507	teta( ij ,l) = tpn
508	teta(ij+ip1jm,l) = tps
509	ENDDO
510	ENDDO
511
512	DO ij = 1,iim
513	tppn(ij) = aire( ij ) * ps ( ij )
514	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
515	ENDDO
516	tpn = SSUM(iim,tppn,1)/apoln
517	tps = SSUM(iim,tpps,1)/apols
518
519	DO ij = 1, iip1
520	ps( ij ) = tpn
521	ps(ij+ip1jm) = tps
522	ENDDO
523
524
525	END IF ! of IF(apdiss)
526
527	c ajout debug
528	c IF( lafin ) then
529	c abort_message = 'Simulation finished'
530	c call abort_gcm(modname,abort_message,0)
531	c ENDIF
532
533	c ********************************************************************
534	c ********************************************************************
535	c .... fin de l'integration dynamique et physique pour le pas itau ..
536	c ********************************************************************
537	c ********************************************************************
538
539	c preparation du pas d'integration suivant ......
540
541	IF ( .NOT.purmats ) THEN
542	c ........................................................
543	c .............. schema matsuno + leapfrog ..............
544	c ........................................................
545
546	IF(forward. OR. leapf) THEN
547	itau= itau + 1
548	c iday= day_ini+itau/day_step
549	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
550	c IF(time.GT.1.) THEN
551	c time = time-1.
552	c iday = iday+1
553	c ENDIF
554	ENDIF
555
556
557	IF( itau. EQ. itaufinp1 ) then
558	if (flag_verif) then
559	write(79,*) 'ucov',ucov
560	write(80,*) 'vcov',vcov
561	write(81,*) 'teta',teta
562	write(82,*) 'ps',ps
563	write(83,*) 'q',q
564	WRITE(85,*) 'q1 = ',q(:,:,1)
565	WRITE(86,*) 'q3 = ',q(:,:,3)
566	endif
567
568	abort_message = 'Simulation finished'
569
570	call abort_gcm(modname,abort_message,0)
571	ENDIF
572	c-----------------------------------------------------------------------
573	c ecriture du fichier histoire moyenne:
574	c -------------------------------------
575
576	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
577	IF(itau.EQ.itaufin) THEN
578	iav=1
579	ELSE
580	iav=0
581	ENDIF
582
583	IF (ok_dynzon) THEN
584	#ifdef CPP_IOIPSL
585	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
586	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
587	#endif
588	END IF
589	IF (ok_dyn_ave) THEN
590	#ifdef CPP_IOIPSL
591	CALL writedynav(itau,vcov,
592	& ucov,teta,pk,phi,q,masse,ps,phis)
593	#endif
594	ENDIF
595
596	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
597
598	c-----------------------------------------------------------------------
599	c ecriture de la bande histoire:
600	c ------------------------------
601
602	IF( MOD(itau,iecri).EQ.0) THEN
603	! Ehouarn: output only during LF or Backward Matsuno
604	if (leapf.or.(.not.leapf.and.(.not.forward))) then
605	nbetat = nbetatdem
606	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
607	unat=0.
608	do l=1,llm
609	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
610	vnat(:,l)=vcov(:,l)/cv(:)
611	enddo
612	#ifdef CPP_IOIPSL
613	if (ok_dyn_ins) then
614	! write(lunout,*) "leapfrog: call writehist, itau=",itau
615	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
616	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
617	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
618	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
619	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
620	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
621	endif ! of if (ok_dyn_ins)
622	#endif
623	! For some Grads outputs of fields
624	if (output_grads_dyn) then
625	#include "write_grads_dyn.h"
626	endif
627	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
628	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
629
630	IF(itau.EQ.itaufin) THEN
631
632
633	! if (planet_type.eq."earth") then
634	! Write an Earth-format restart file
635	CALL dynredem1("restart.nc",0.0,
636	& vcov,ucov,teta,q,masse,ps)
637	! endif ! of if (planet_type.eq."earth")
638
639	CLOSE(99)
640	ENDIF ! of IF (itau.EQ.itaufin)
641
642	c-----------------------------------------------------------------------
643	c gestion de l'integration temporelle:
644	c ------------------------------------
645
646	IF( MOD(itau,iperiod).EQ.0 ) THEN
647	GO TO 1
648	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
649
650	IF( forward ) THEN
651	c fin du pas forward et debut du pas backward
652
653	forward = .FALSE.
654	leapf = .FALSE.
655	GO TO 2
656
657	ELSE
658	c fin du pas backward et debut du premier pas leapfrog
659
660	leapf = .TRUE.
661	dt = 2.*dtvr
662	GO TO 2
663	END IF ! of IF (forward)
664	ELSE
665
666	c ...... pas leapfrog .....
667
668	leapf = .TRUE.
669	dt = 2.*dtvr
670	GO TO 2
671	END IF ! of IF (MOD(itau,iperiod).EQ.0)
672	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
673
674	ELSE ! of IF (.not.purmats)
675
676	c ........................................................
677	c .............. schema matsuno ...............
678	c ........................................................
679	IF( forward ) THEN
680
681	itau = itau + 1
682	c iday = day_ini+itau/day_step
683	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
684	c
685	c IF(time.GT.1.) THEN
686	c time = time-1.
687	c iday = iday+1
688	c ENDIF
689
690	forward = .FALSE.
691	IF( itau. EQ. itaufinp1 ) then
692	abort_message = 'Simulation finished'
693	call abort_gcm(modname,abort_message,0)
694	ENDIF
695	GO TO 2
696
697	ELSE ! of IF(forward) i.e. backward step
698
699	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
700	IF(itau.EQ.itaufin) THEN
701	iav=1
702	ELSE
703	iav=0
704	ENDIF
705
706	IF (ok_dynzon) THEN
707	#ifdef CPP_IOIPSL
708	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
709	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
710	#endif
711	ENDIF
712	IF (ok_dyn_ave) THEN
713	#ifdef CPP_IOIPSL
714	CALL writedynav(itau,vcov,
715	& ucov,teta,pk,phi,q,masse,ps,phis)
716	#endif
717	ENDIF
718
719	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
720
721	IF(MOD(itau,iecri ).EQ.0) THEN
722	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
723	nbetat = nbetatdem
724	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
725	unat=0.
726	do l=1,llm
727	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
728	vnat(:,l)=vcov(:,l)/cv(:)
729	enddo
730	#ifdef CPP_IOIPSL
731	if (ok_dyn_ins) then
732	! write(lunout,*) "leapfrog: call writehist (b)",
733	! & itau,iecri
734	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
735	endif ! of if (ok_dyn_ins)
736	#endif
737	! For some Grads outputs
738	if (output_grads_dyn) then
739	#include "write_grads_dyn.h"
740	endif
741
742	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
743
744	IF(itau.EQ.itaufin) THEN
745	! if (planet_type.eq."earth") then
746	CALL dynredem1("restart.nc",0.0,
747	& vcov,ucov,teta,q,masse,ps)
748	! endif ! of if (planet_type.eq."earth")
749	ENDIF ! of IF(itau.EQ.itaufin)
750
751	forward = .TRUE.
752	GO TO 1
753
754	ENDIF ! of IF (forward)
755
756	END IF ! of IF(.not.purmats)
757
758	STOP
759	END

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