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geometry.f90 @ 469

Last change on this file since 469 was 469, checked in by ymipsl, 8 years ago

Repairing openMP --> domain_update

File size: 22.4 KB

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1	MODULE geometry
2	USE field_mod
3	IMPLICIT NONE
4
5	TYPE t_geometry
6	TYPE(t_field),POINTER :: centroid(:)
7	TYPE(t_field),POINTER :: xyz_i(:)
8	TYPE(t_field),POINTER :: xyz_e(:)
9	TYPE(t_field),POINTER :: xyz_v(:)
10	TYPE(t_field),POINTER :: lon_i(:)
11	TYPE(t_field),POINTER :: lon_e(:)
12	TYPE(t_field),POINTER :: lat_i(:)
13	TYPE(t_field),POINTER :: lat_e(:)
14	TYPE(t_field),POINTER :: ep_e(:)
15	TYPE(t_field),POINTER :: et_e(:)
16	TYPE(t_field),POINTER :: elon_i(:)
17	TYPE(t_field),POINTER :: elat_i(:)
18	TYPE(t_field),POINTER :: elon_e(:)
19	TYPE(t_field),POINTER :: elat_e(:)
20	TYPE(t_field),POINTER :: Ai(:)
21	TYPE(t_field),POINTER :: Av(:)
22	TYPE(t_field),POINTER :: de(:)
23	TYPE(t_field),POINTER :: le(:)
24	TYPE(t_field),POINTER :: le_de(:) ! le/de, 0. if de=0.
25	TYPE(t_field),POINTER :: Riv(:)
26	TYPE(t_field),POINTER :: S1(:)
27	TYPE(t_field),POINTER :: S2(:)
28	TYPE(t_field),POINTER :: Riv2(:)
29	TYPE(t_field),POINTER :: ne(:)
30	TYPE(t_field),POINTER :: Wee(:)
31	TYPE(t_field),POINTER :: bi(:)
32	TYPE(t_field),POINTER :: fv(:)
33	END TYPE t_geometry
34
35	TYPE(t_geometry),SAVE,TARGET :: geom
36
37
38	REAL(rstd),POINTER :: Ai(:) ! area of a cell
39	!$OMP THREADPRIVATE(Ai)
40	REAL(rstd),POINTER :: centroid(:,:) ! coordinate of the centroid of the cell
41	!$OMP THREADPRIVATE(centroid)
42	REAL(rstd),POINTER :: xyz_i(:,:) ! coordinate of the center of the cell (voronoi)
43	!$OMP THREADPRIVATE(xyz_i)
44	REAL(rstd),POINTER :: xyz_e(:,:) ! coordinate of a wind point on the cell on a edge
45	!$OMP THREADPRIVATE(xyz_e)
46	REAL(rstd),POINTER :: xyz_v(:,:) ! coordinate of a vertex (center of the dual mesh)
47	!$OMP THREADPRIVATE(xyz_v)
48	REAL(rstd),POINTER :: lon_i(:) ! longitude of the center of the cell (voronoi)
49	!$OMP THREADPRIVATE(lon_i)
50	REAL(rstd),POINTER :: lon_e(:) ! longitude of a wind point on the cell on a edge
51	!$OMP THREADPRIVATE(lon_e)
52	REAL(rstd),POINTER :: lat_i(:) ! latitude of the center of the cell (voronoi)
53	!$OMP THREADPRIVATE(lat_i)
54	REAL(rstd),POINTER :: lat_e(:) ! latitude of a wind point on the cell on a edge
55	!$OMP THREADPRIVATE(lat_e)
56	REAL(rstd),POINTER :: ep_e(:,:) ! perpendicular unit vector of a edge (outsider)
57	!$OMP THREADPRIVATE(ep_e)
58	REAL(rstd),POINTER :: et_e(:,:) ! tangeantial unit vector of a edge
59	!$OMP THREADPRIVATE(et_e)
60	REAL(rstd),POINTER :: elon_i(:,:) ! unit longitude vector on the center
61	!$OMP THREADPRIVATE(elon_i)
62	REAL(rstd),POINTER :: elat_i(:,:) ! unit latitude vector on the center
63	!$OMP THREADPRIVATE(elat_i)
64	REAL(rstd),POINTER :: elon_e(:,:) ! unit longitude vector on a wind point
65	!$OMP THREADPRIVATE(elon_e)
66	REAL(rstd),POINTER :: elat_e(:,:) ! unit latitude vector on a wind point
67	!$OMP THREADPRIVATE(elat_e)
68	REAL(rstd),POINTER :: Av(:) ! area of dual mesk cell
69	!$OMP THREADPRIVATE(Av)
70	REAL(rstd),POINTER :: de(:) ! distance from a neighbour == lenght of an edge of the dual mesh
71	!$OMP THREADPRIVATE(de)
72	REAL(rstd),POINTER :: le(:) ! lenght of a edge
73	!$OMP THREADPRIVATE(le)
74	REAL(rstd),POINTER :: le_de(:) ! le/de
75	!$OMP THREADPRIVATE(le_de)
76	REAL(rstd),POINTER :: S1(:,:) ! area of sub-triangle
77	!$OMP THREADPRIVATE(S1)
78	REAL(rstd),POINTER :: S2(:,:) ! area of sub-tirangle
79	!$OMP THREADPRIVATE(S2)
80	REAL(rstd),POINTER :: Riv(:,:) ! weight
81	!$OMP THREADPRIVATE(Riv)
82	REAL(rstd),POINTER :: Riv2(:,:) ! weight
83	!$OMP THREADPRIVATE(Riv2)
84	INTEGER,POINTER :: ne(:,:) ! convention for the way on the normal wind on an edge
85	!$OMP THREADPRIVATE(ne)
86	REAL(rstd),POINTER :: Wee(:,:,:) ! weight
87	!$OMP THREADPRIVATE(Wee)
88	REAL(rstd),POINTER :: bi(:) ! orographie
89	!$OMP THREADPRIVATE(bi)
90	REAL(rstd),POINTER :: fv(:) ! coriolis (evaluted on a vertex)
91	!$OMP THREADPRIVATE(fv)
92
93
94	INTEGER, PARAMETER :: ne_right=1
95	INTEGER, PARAMETER :: ne_rup=-1
96	INTEGER, PARAMETER :: ne_lup=1
97	INTEGER, PARAMETER :: ne_left=-1
98	INTEGER, PARAMETER :: ne_ldown=1
99	INTEGER, PARAMETER :: ne_rdown=-1
100
101	CONTAINS
102
103	SUBROUTINE allocate_geometry
104	USE field_mod
105	IMPLICIT NONE
106
107	CALL allocate_field(geom%Ai,field_t,type_real,name='Ai')
108
109	CALL allocate_field(geom%xyz_i,field_t,type_real,3)
110	CALL allocate_field(geom%lon_i,field_t,type_real)
111	CALL allocate_field(geom%lat_i,field_t,type_real)
112	CALL allocate_field(geom%elon_i,field_t,type_real,3)
113	CALL allocate_field(geom%elat_i,field_t,type_real,3)
114	CALL allocate_field(geom%centroid,field_t,type_real,3)
115
116	CALL allocate_field(geom%xyz_e,field_u,type_real,3)
117	CALL allocate_field(geom%lon_e,field_u,type_real)
118	CALL allocate_field(geom%lat_e,field_u,type_real)
119	CALL allocate_field(geom%elon_e,field_u,type_real,3)
120	CALL allocate_field(geom%elat_e,field_u,type_real,3)
121	CALL allocate_field(geom%ep_e,field_u,type_real,3)
122	CALL allocate_field(geom%et_e,field_u,type_real,3)
123
124	CALL allocate_field(geom%xyz_v,field_z,type_real,3)
125	CALL allocate_field(geom%de,field_u,type_real)
126	CALL allocate_field(geom%le,field_u,type_real)
127	CALL allocate_field(geom%le_de,field_u,type_real)
128	CALL allocate_field(geom%bi,field_t,type_real)
129	CALL allocate_field(geom%Av,field_z,type_real)
130	CALL allocate_field(geom%S1,field_t,type_real,6)
131	CALL allocate_field(geom%S2,field_t,type_real,6)
132	CALL allocate_field(geom%Riv,field_t,type_real,6)
133	CALL allocate_field(geom%Riv2,field_t,type_real,6)
134	CALL allocate_field(geom%ne,field_t,type_integer,6)
135	CALL allocate_field(geom%Wee,field_u,type_real,5,2)
136	CALL allocate_field(geom%bi,field_t,type_real)
137	CALL allocate_field(geom%fv,field_z,type_real)
138
139	END SUBROUTINE allocate_geometry
140
141
142	SUBROUTINE swap_geometry(ind)
143	USE field_mod
144	IMPLICIT NONE
145	INTEGER,INTENT(IN) :: ind
146	!!$OMP MASTER
147	Ai=geom%Ai(ind)
148	xyz_i=geom%xyz_i(ind)
149	centroid=geom%centroid(ind)
150	xyz_e=geom%xyz_e(ind)
151	ep_e=geom%ep_e(ind)
152	et_e=geom%et_e(ind)
153	lon_i=geom%lon_i(ind)
154	lat_i=geom%lat_i(ind)
155	lon_e=geom%lon_e(ind)
156	lat_e=geom%lat_e(ind)
157	elon_i=geom%elon_i(ind)
158	elat_i=geom%elat_i(ind)
159	elon_e=geom%elon_e(ind)
160	elat_e=geom%elat_e(ind)
161	xyz_v=geom%xyz_v(ind)
162	de=geom%de(ind)
163	le=geom%le(ind)
164	le_de=geom%le_de(ind)
165	Av=geom%Av(ind)
166	S1=geom%S1(ind)
167	S2=geom%S2(ind)
168	Riv=geom%Riv(ind)
169	Riv2=geom%Riv2(ind)
170	ne=geom%ne(ind)
171	Wee=geom%Wee(ind)
172	bi=geom%bi(ind)
173	fv=geom%fv(ind)
174	!!$OMP END MASTER
175	!!$OMP BARRIER
176	END SUBROUTINE swap_geometry
177
178	SUBROUTINE update_circumcenters
179	USE domain_mod
180	USE dimensions
181	USE spherical_geom_mod
182	USE vector
183	USE transfert_mod
184	USE omp_para
185
186	IMPLICIT NONE
187	REAL(rstd) :: x1(3),x2(3)
188	REAL(rstd) :: vect(3,6)
189	REAL(rstd) :: centr(3)
190	INTEGER :: ind,i,j,n,k
191	TYPE(t_message),SAVE :: message0, message1
192	LOGICAL, SAVE :: first=.TRUE.
193	!$OMP THREADPRIVATE(first)
194
195	IF (first) THEN
196	CALL init_message(geom%xyz_i, req_i0 ,message0)
197	CALL init_message(geom%xyz_i, req_i1 ,message1)
198	first=.FALSE.
199	ENDIF
200
201	CALL transfert_message(geom%xyz_i,message0)
202	CALL transfert_message(geom%xyz_i,message1)
203
204	DO ind=1,ndomain
205	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master) CYCLE
206	CALL swap_dimensions(ind)
207	CALL swap_geometry(ind)
208	DO j=jj_begin,jj_end
209	DO i=ii_begin,ii_end
210	n=(j-1)*iim+i
211	DO k=0,5
212	x1(:) = xyz_i(n+t_pos(k+1),:)
213	x2(:) = xyz_i(n+t_pos(MOD(k+1,6)+1),:)
214	if (norm(x1-x2)<1e-16) x2(:) = xyz_i(n+t_pos(MOD(k+2,6)+1),:)
215	CALL circumcenter(xyz_i(n,:), x1, x2, xyz_v(n+z_pos(k+1),:))
216	ENDDO
217	ENDDO
218	ENDDO
219	ENDDO
220
221	END SUBROUTINE update_circumcenters
222
223	SUBROUTINE remap_schmidt_loc
224	USE spherical_geom_mod
225	USE getin_mod
226	USE omp_para
227	USE domain_mod
228	USE dimensions
229	IMPLICIT NONE
230	INTEGER :: ind,i,j,n
231	REAL(rstd) :: schmidt_factor, schmidt_lon, schmidt_lat
232
233	! Schmidt transform parameters
234	schmidt_factor = 1.
235	CALL getin('schmidt_factor', schmidt_factor)
236	schmidt_factor = schmidt_factor**2.
237
238	schmidt_lon = 0.
239	CALL getin('schmidt_lon', schmidt_lon)
240	schmidt_lon = schmidt_lon * pi/180.
241
242	schmidt_lat = 45.
243	CALL getin('schmidt_lat', schmidt_lat)
244	schmidt_lat = schmidt_lat * pi/180.
245
246	DO ind=1,ndomain
247	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master) CYCLE
248	CALL swap_dimensions(ind)
249	CALL swap_geometry(ind)
250	DO j=jj_begin,jj_end
251	DO i=ii_begin,ii_end
252	n=(j-1)*iim+i
253	CALL schmidt_transform(xyz_i(n,:), schmidt_factor, schmidt_lon, schmidt_lat)
254	ENDDO
255	ENDDO
256	ENDDO
257	END SUBROUTINE remap_schmidt_loc
258
259	SUBROUTINE optimize_geometry
260	USE metric
261	USE spherical_geom_mod
262	USE domain_mod
263	USE dimensions
264	USE transfert_mod
265	USE vector
266	USE getin_mod
267	USE omp_para
268	IMPLICIT NONE
269	INTEGER :: nb_it=0
270	TYPE(t_domain),POINTER :: d
271	INTEGER :: ind,it,i,j,n,k
272	REAL(rstd) :: x1(3),x2(3)
273	REAL(rstd) :: vect(3,6)
274	REAL(rstd) :: centr(3)
275	REAL(rstd) :: sum
276	LOGICAL :: check
277
278
279	CALL getin('optim_it',nb_it)
280
281	DO ind=1,ndomain
282	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master) CYCLE
283	d=>domain(ind)
284	CALL swap_dimensions(ind)
285	CALL swap_geometry(ind)
286	xyz_i(:,1) = 0 ; xyz_i(:,2) = 0 ; xyz_i(:,3) = 1
287
288	DO j=jj_begin,jj_end
289	DO i=ii_begin,ii_end
290	n=(j-1)*iim+i
291	xyz_i(n,:)=d%xyz(:,i,j)
292	ENDDO
293	ENDDO
294	ENDDO
295
296	CALL update_circumcenters
297
298	DO ind=1,ndomain
299	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master ) CYCLE
300	d=>domain(ind)
301	CALL swap_dimensions(ind)
302	CALL swap_geometry(ind)
303	DO j=jj_begin,jj_end
304	DO i=ii_begin,ii_end
305	n=(j-1)*iim+i
306	DO k=0,5
307	x1(:) = xyz_v(n+z_pos(k+1),:)
308	x2(:) = d%vertex(:,k,i,j)
309	IF (norm(x1-x2)>1e-10) THEN
310	PRINT*,"vertex diff ",ind,i,j,k
311	PRINT*,x1
312	PRINT*,x2
313	ENDIF
314	ENDDO
315	ENDDO
316	ENDDO
317	ENDDO
318
319
320	DO it=1,nb_it
321	IF (MOD(it,100)==0) THEN
322	check=is_master
323	ELSE
324	check=.FALSE.
325	ENDIF
326
327	sum=0
328	DO ind=1,ndomain
329	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master ) CYCLE
330	CALL swap_dimensions(ind)
331	CALL swap_geometry(ind)
332	DO j=jj_begin,jj_end
333	DO i=ii_begin,ii_end
334	n=(j-1)*iim+i
335	vect(:,1)=xyz_v(n+z_rup,:)
336	vect(:,2)=xyz_v(n+z_up,:)
337	vect(:,3)=xyz_v(n+z_lup,:)
338	vect(:,4)=xyz_v(n+z_ldown,:)
339	vect(:,5)=xyz_v(n+z_down,:)
340	vect(:,6)=xyz_v(n+z_rdown,:)
341	CALL compute_centroid(vect,6,centr)
342	IF (check) THEN
343	sum=MAX(sum,norm(xyz_i(n,:)-centr(:)))
344	ENDIF
345	xyz_i(n,:)=centr(:)
346	ENDDO
347	ENDDO
348
349	ENDDO
350
351	IF (check) PRINT *,"it = ",it," diff centroid circumcenter ",sum
352
353	CALL update_circumcenters
354
355	ENDDO
356
357	END SUBROUTINE optimize_geometry
358
359	SUBROUTINE update_domain
360	! copy position of generators and vertices back into domain(:)%xyz/vertex
361	! so that XIOS/create_header_gen gets the right values
362	USE omp_para
363	USE dimensions
364	USE domain_mod
365	USE transfert_mpi_mod
366
367	INTEGER :: ind,i,j,k,n
368	TYPE(t_domain),POINTER :: d
369	TYPE(t_field),POINTER,SAVE :: xyz_glo(:), xyz_loc(:), vertex_glo(:), vertex_loc(:)
370	REAL(rstd), POINTER :: xyz(:,:), vertex(:,:)
371
372	CALL allocate_field(xyz_loc, field_t, type_real, 3)
373	CALL allocate_field(vertex_loc, field_z, type_real, 3)
374
375	DO ind=1,ndomain
376	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master ) CYCLE
377	CALL swap_dimensions(ind)
378	CALL swap_geometry(ind)
379	xyz = xyz_loc(ind)
380	xyz(:,:) = xyz_i(:,:)
381	vertex = vertex_loc(ind)
382	vertex(:,:) = xyz_v(:,:)
383	END DO
384
385	!$OMP BARRIER
386	!$OMP MASTER
387	CALL allocate_field_glo(xyz_glo, field_t, type_real, 3)
388	CALL allocate_field_glo(vertex_glo, field_z, type_real, 3)
389
390	CALL gather_field(xyz_loc, xyz_glo)
391	CALL gather_field(vertex_loc, vertex_glo)
392
393	CALL bcast_field(xyz_glo)
394	CALL bcast_field(vertex_glo)
395
396	DO ind=1,ndomain_glo
397	d=>domain_glo(ind)
398	xyz = xyz_glo(ind)
399	vertex = vertex_glo(ind)
400	DO j=d%jj_begin,d%jj_end
401	DO i=d%ii_begin,d%ii_end
402	n=(j-1)*d%iim+i
403	d%xyz(:,i,j)=xyz(n,:)
404	DO k=0,5
405	d%vertex(:,k,i,j) = vertex(n+d%z_pos(k+1),:)
406	END DO
407	END DO
408	END DO
409	END DO
410
411	CALL deallocate_field_glo(vertex_glo)
412	CALL deallocate_field_glo(xyz_glo)
413	!$OMP END MASTER
414	!$OMP BARRIER
415	CALL deallocate_field(vertex_loc)
416	CALL deallocate_field(xyz_loc)
417
418	END SUBROUTINE update_domain
419
420	SUBROUTINE set_geometry
421	USE metric
422	USE vector
423	USE spherical_geom_mod
424	USE domain_mod
425	USE dimensions
426	USE transfert_mod
427	USE getin_mod
428	USE omp_para
429	IMPLICIT NONE
430
431	REAL(rstd) :: surf(6)
432	REAL(rstd) :: surf_v(6)
433	REAL(rstd) :: vect(3,6)
434	REAL(rstd) :: centr(3)
435	REAL(rstd) :: vet(3),vep(3), vertex(3)
436	INTEGER :: ind,i,j,k,n
437	TYPE(t_domain),POINTER :: d
438	REAL(rstd) :: S12
439	REAL(rstd) :: w(6)
440	REAL(rstd) :: lon,lat
441	INTEGER :: ii_glo,jj_glo
442	REAL(rstd) :: S
443
444
445	CALL optimize_geometry
446	CALL remap_schmidt_loc
447	CALL update_circumcenters
448	! copy position of generators and vertices back into domain(:)%xyz/vertex
449	! so that XIOS gets the right values
450	CALL update_domain
451
452	DO ind=1,ndomain
453	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master ) CYCLE
454	d=>domain(ind)
455	CALL swap_dimensions(ind)
456	CALL swap_geometry(ind)
457	lon_i(:)=0 ; lat_i(:)=0
458	lon_e(:)=0 ; lat_e(:)=0
459	DO j=jj_begin-1,jj_end+1
460	DO i=ii_begin-1,ii_end+1
461	n=(j-1)*iim+i
462
463	DO k=0,5
464	ne(n,k+1)=d%ne(k,i,j)
465	ENDDO
466
467	vect(:,1)=xyz_v(n+z_rup,:)
468	vect(:,2)=xyz_v(n+z_up,:)
469	vect(:,3)=xyz_v(n+z_lup,:)
470	vect(:,4)=xyz_v(n+z_ldown,:)
471	vect(:,5)=xyz_v(n+z_down,:)
472	vect(:,6)=xyz_v(n+z_rdown,:)
473	CALL compute_centroid(vect,6,centr)
474	centroid(n,:)=centr(:)
475
476
477	CALL xyz2lonlat(xyz_v(n+z_up,:),lon,lat)
478	fv(n+z_up)=2sin(lat)omega
479	CALL xyz2lonlat(xyz_v(n+z_down,:),lon,lat)
480	fv(n+z_down)=2sin(lat)omega
481
482	bi(n)=0.
483
484	CALL dist_cart(xyz_i(n,:),xyz_i(n+t_right,:),de(n+u_right))
485	CALL dist_cart(xyz_i(n,:),xyz_i(n+t_lup,:),de(n+u_lup))
486	CALL dist_cart(xyz_i(n,:),xyz_i(n+t_ldown,:),de(n+u_ldown))
487
488	CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_right,:),0.5,xyz_e(n+u_right,:))
489	CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_lup,:),0.5,xyz_e(n+u_lup,:))
490	CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_ldown,:),0.5,xyz_e(n+u_ldown,:))
491
492	CALL dist_cart(xyz_v(n+z_rdown,:), xyz_v(n+z_rup,:),le(n+u_right))
493	CALL dist_cart(xyz_v(n+z_up,:), xyz_v(n+z_lup,:),le(n+u_lup))
494	CALL dist_cart(xyz_v(n+z_ldown,:), xyz_v(n+z_down,:),le(n+u_ldown))
495
496	le_de(n+u_right)=le(n+u_right)/de(n+u_right) ! NaN possible but should be harmless
497	le_de(n+u_lup) =le(n+u_lup) /de(n+u_lup)
498	le_de(n+u_ldown)=le(n+u_ldown)/de(n+u_ldown)
499
500	Ai(n)=0
501	DO k=0,5
502	CALL surf_triangle(xyz_i(n,:),xyz_i(n+t_pos(k+1),:),xyz_i(n+t_pos(MOD((k+1+6),6)+1),:),surf_v(k+1))
503	CALL surf_triangle(xyz_i(n,:),xyz_v(n+z_pos(MOD((k-1+6),6)+1),:),xyz_v(n+z_pos(k+1),:),surf(k+1))
504	Ai(n)=Ai(n)+surf(k+1)
505	IF (i==ii_end .AND. j==jj_begin) THEN
506	IF (Ai(n)<1e20) THEN
507	ELSE
508	PRINT *,"PB !!",Ai(n),k,surf(k+1)
509	PRINT*,xyz_i(n,:),xyz_v(n+z_pos(MOD((k-1+6),6)+1),:),xyz_v(n+z_pos(k+1),:)
510	ENDIF
511	ENDIF
512	ENDDO
513
514	! Sign convention : Ringler et al., JCP 2010, eq. 21 p. 3071
515	! Normal component is along outgoing normal vector if ne=1
516
517	CALL cross_product2(xyz_v(n+z_rdown,:),xyz_v(n+z_rup,:),vep)
518	IF (norm(vep)>1e-30) THEN
519	vep(:)=vep(:)/norm(vep) ! Inward normal vector
520	CALL cross_product2(vep,xyz_e(n+u_right,:),vet) ! Counter-clockwise tangent vector
521	vet(:)=vet(:)/norm(vet)
522	ep_e(n+u_right,:)=-vep(:)*ne(n,right)
523	et_e(n+u_right,:)=vet(:)*ne(n,right)
524	ENDIF
525
526	CALL cross_product2(xyz_v(n+z_up,:),xyz_v(n+z_lup,:),vep)
527	IF (norm(vep)>1e-30) THEN
528	vep(:)=vep(:)/norm(vep)
529	CALL cross_product2(vep,xyz_e(n+u_lup,:),vet)
530	vet(:)=vet(:)/norm(vet)
531	ep_e(n+u_lup,:)=-vep(:)*ne(n,lup)
532	et_e(n+u_lup,:)=vet(:)*ne(n,lup)
533	ENDIF
534
535	CALL cross_product2(xyz_v(n+z_ldown,:),xyz_v(n+z_down,:),vep)
536	IF (norm(vep)>1e-30) THEN
537	vep(:)=vep(:)/norm(vep)
538	CALL cross_product2(vep,xyz_e(n+u_ldown,:),vet)
539	vet(:)=vet(:)/norm(vet)
540	ep_e(n+u_ldown,:)=-vep(:)*ne(n,ldown)
541	et_e(n+u_ldown,:)=vet(:)*ne(n,ldown)
542	ENDIF
543
544	CALL xyz2lonlat(xyz_i(n,:),lon,lat)
545	lon_i(n)=lon
546	lat_i(n)=lat
547	elon_i(n,1) = -sin(lon)
548	elon_i(n,2) = cos(lon)
549	elon_i(n,3) = 0
550	elat_i(n,1) = -cos(lon)*sin(lat)
551	elat_i(n,2) = -sin(lon)*sin(lat)
552	elat_i(n,3) = cos(lat)
553
554
555	CALL xyz2lonlat(xyz_e(n+u_right,:),lon,lat)
556	lon_e(n+u_right)=lon
557	lat_e(n+u_right)=lat
558	elon_e(n+u_right,1) = -sin(lon)
559	elon_e(n+u_right,2) = cos(lon)
560	elon_e(n+u_right,3) = 0
561	elat_e(n+u_right,1) = -cos(lon)*sin(lat)
562	elat_e(n+u_right,2) = -sin(lon)*sin(lat)
563	elat_e(n+u_right,3) = cos(lat)
564
565	CALL xyz2lonlat(xyz_e(n+u_lup,:),lon,lat)
566	lon_e(n+u_lup)=lon
567	lat_e(n+u_lup)=lat
568	elon_e(n+u_lup,1) = -sin(lon)
569	elon_e(n+u_lup,2) = cos(lon)
570	elon_e(n+u_lup,3) = 0
571	elat_e(n+u_lup,1) = -cos(lon)*sin(lat)
572	elat_e(n+u_lup,2) = -sin(lon)*sin(lat)
573	elat_e(n+u_lup,3) = cos(lat)
574
575	CALL xyz2lonlat(xyz_e(n+u_ldown,:),lon,lat)
576	lon_e(n+u_ldown)=lon
577	lat_e(n+u_ldown)=lat
578	elon_e(n+u_ldown,1) = -sin(lon)
579	elon_e(n+u_ldown,2) = cos(lon)
580	elon_e(n+u_ldown,3) = 0
581	elat_e(n+u_ldown,1) = -cos(lon)*sin(lat)
582	elat_e(n+u_ldown,2) = -sin(lon)*sin(lat)
583	elat_e(n+u_ldown,3) = cos(lat)
584
585
586	DO k=0,5
587	CALL surf_triangle(xyz_i(n,:), xyz_v(n+z_pos(k+1),:), xyz_i(n+t_pos(k+1),:),S1(n,k+1) )
588	CALL surf_triangle(xyz_i(n,:), xyz_v(n+z_pos(k+1),:), xyz_i(n+t_pos(MOD(k+1+6,6)+1),:),S2(n,k+1) )
589	S12 = .5*(S1(n,k+1)+S2(n,k+1))
590	Riv(n,k+1)=S12/Ai(n)
591	Riv2(n,k+1)=S12/surf_v(k+1)
592	ENDDO
593
594	DO k=1,6
595	IF (ABS(surf_v(k))<1e-30) THEN
596	Riv(n,k)=0.
597	ENDIF
598	ENDDO
599
600	Av(n+z_up)=surf_v(vup)+1e-100
601	Av(n+z_down)=surf_v(vdown)+1e-100
602
603	ENDDO
604	ENDDO
605
606	DO j=jj_begin,jj_end
607	DO i=ii_begin,ii_end
608	n=(j-1)*iim+i
609
610	CALL compute_wee(n,right,w)
611	Wee(n+u_right,:,1)=w(1:5)
612
613	CALL compute_wee(n+t_right,left,w)
614	Wee(n+u_right,:,2)=w(1:5)
615
616
617	CALL compute_wee(n,lup,w)
618	Wee(n+u_lup,:,1)=w(1:5)
619
620	CALL compute_wee(n+t_lup,rdown,w)
621	Wee(n+u_lup,:,2)=w(1:5)
622
623
624	CALL compute_wee(n,ldown,w)
625	Wee(n+u_ldown,:,1)=w(1:5)
626
627	CALL compute_wee(n+t_ldown,rup,w)
628	Wee(n+u_ldown,:,2)=w(1:5)
629
630	ENDDO
631	ENDDO
632
633	DO j=jj_begin,jj_end
634	DO i=ii_begin,ii_end
635	n=(j-1)*iim+i
636	ii_glo=d%ii_begin_glo-d%ii_begin+i
637	jj_glo=d%jj_begin_glo-d%jj_begin+j
638
639	IF (ii_glo==1 .AND. jj_glo==1) THEN
640	le(n+u_ldown)=0
641	xyz_v(n+z_ldown,:)=xyz_v(n+z_down,:)
642
643	ENDIF
644
645	IF (ii_glo==iim_glo .AND. jj_glo==1) THEN
646	le(n+u_right)=0
647	xyz_v(n+z_rdown,:)=xyz_v(n+z_rup,:)
648	ENDIF
649
650	IF (ii_glo==iim_glo .AND. jj_glo==jjm_glo) THEN
651	le(n+u_rup)=0
652	xyz_v(n+z_rup,:)=xyz_v(n+z_up,:)
653	ENDIF
654
655	IF (ii_glo==1 .AND. jj_glo==jjm_glo) THEN
656	le(n+u_lup)=0
657	xyz_v(n+z_up,:)=xyz_v(n+z_lup,:)
658	ENDIF
659
660	ENDDO
661	ENDDO
662
663	DO j=jj_begin-1,jj_end+1
664	DO i=ii_begin-1,ii_end+1
665	n=(j-1)*iim+i
666	xyz_i(n,:)=xyz_i(n,:) * radius
667	xyz_v(n+z_up,:)=xyz_v(n+z_up,:) * radius
668	xyz_v(n+z_down,:)=xyz_v(n+z_down,:) *radius
669	de(n+u_right)=de(n+u_right) * radius
670	de(n+u_lup)=de(n+u_lup)*radius
671	de(n+u_ldown)=de(n+u_ldown)*radius
672	xyz_e(n+u_right,:)=xyz_e(n+u_right,:)*radius
673	xyz_e(n+u_lup,:)=xyz_e(n+u_lup,:)*radius
674	xyz_e(n+u_ldown,:)=xyz_e(n+u_ldown,:)*radius
675	le(n+u_right)=le(n+u_right)*radius
676	le(n+u_lup)=le(n+u_lup)*radius
677	le(n+u_ldown)=le(n+u_ldown)*radius
678	Ai(n)=Ai(n)radius*2
679	Av(n+z_up)=Av(n+z_up)radius*2
680	Av(n+z_down)=Av(n+z_down)radius*2
681	ENDDO
682	ENDDO
683
684	ENDDO
685
686	CALL transfert_request(geom%Ai,req_i1)
687	CALL transfert_request(geom%centroid,req_i1)
688
689	! CALL surf_triangle(d%xyz(:,ii_begin,jj_begin),d%xyz(:,ii_begin,jj_end),d%xyz(:,ii_end,jj_begin),S)
690
691	END SUBROUTINE set_geometry
692
693	SUBROUTINE compute_wee(n,pos,w)
694	IMPLICIT NONE
695	INTEGER,INTENT(IN) :: n
696	INTEGER,INTENT(IN) :: pos
697	REAL(rstd),INTENT(OUT) ::w(6)
698
699	REAL(rstd) :: ne_(0:5)
700	REAL(rstd) :: Riv_(6)
701	INTEGER :: k
702
703
704	DO k=0,5
705	ne_(k)=ne(n,MOD(pos-1+k+6,6)+1)
706	Riv_(k+1)=Riv(n,MOD(pos-1+k+6,6)+1)
707	ENDDO
708
709	w(1)=-ne_(0)ne_(1)(Riv_(1)-0.5)
710	w(2)=-ne_(2)(ne_(0)Riv_(2)-w(1)*ne_(1))
711	w(3)=-ne_(3)(ne_(0)Riv_(3)-w(2)*ne_(2))
712	w(4)=-ne_(4)(ne_(0)Riv_(4)-w(3)*ne_(3))
713	w(5)=-ne_(5)(ne_(0)Riv_(5)-w(4)*ne_(4))
714	w(6)=ne_(0)ne_(5)(Riv_(6)-0.5)
715
716	! IF ( ABS(w(5)-w(6))>1e-20) PRINT *, "pb pour wee : w(5)!=w(6)",sum(Riv_(:))
717
718	END SUBROUTINE compute_wee
719
720
721
722	SUBROUTINE compute_geometry
723	IMPLICIT NONE
724	CALL allocate_geometry
725	CALL set_geometry
726
727	END SUBROUTINE compute_geometry
728
729	END MODULE geometry

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source: codes/icosagcm/trunk/src/geometry.f90 @ 469

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