Context Navigation

source: codes/icosagcm/devel/src/sphere/geometry.f90 @ 856

Last change on this file since 856 was 856, checked in by dubos, 5 years ago
devel : towards Fortran driver for unstructured/LAM meshes
File size: 22.6 KB

Line
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	USE domain_mod, ONLY : swap_needed
145	IMPLICIT NONE
146	INTEGER,INTENT(IN) :: ind
147
148	IF(.NOT. swap_needed) RETURN
149
150	!!$OMP MASTER
151	Ai=geom%Ai(ind)
152	xyz_i=geom%xyz_i(ind)
153	centroid=geom%centroid(ind)
154	xyz_e=geom%xyz_e(ind)
155	ep_e=geom%ep_e(ind)
156	et_e=geom%et_e(ind)
157	lon_i=geom%lon_i(ind)
158	lat_i=geom%lat_i(ind)
159	lon_e=geom%lon_e(ind)
160	lat_e=geom%lat_e(ind)
161	elon_i=geom%elon_i(ind)
162	elat_i=geom%elat_i(ind)
163	elon_e=geom%elon_e(ind)
164	elat_e=geom%elat_e(ind)
165	xyz_v=geom%xyz_v(ind)
166	de=geom%de(ind)
167	le=geom%le(ind)
168	le_de=geom%le_de(ind)
169	Av=geom%Av(ind)
170	S1=geom%S1(ind)
171	S2=geom%S2(ind)
172	Riv=geom%Riv(ind)
173	Riv2=geom%Riv2(ind)
174	ne=geom%ne(ind)
175	Wee=geom%Wee(ind)
176	bi=geom%bi(ind)
177	fv=geom%fv(ind)
178	!!$OMP END MASTER
179	!!$OMP BARRIER
180	END SUBROUTINE swap_geometry
181
182	SUBROUTINE update_circumcenters
183	USE domain_mod
184	USE dimensions
185	USE spherical_geom_mod
186	USE vector
187	USE transfert_mod
188	USE omp_para
189
190	IMPLICIT NONE
191	REAL(rstd) :: x1(3),x2(3)
192	REAL(rstd) :: vect(3,6)
193	REAL(rstd) :: centr(3)
194	INTEGER :: ind,i,j,n,k
195	TYPE(t_message),SAVE :: message0, message1
196	LOGICAL, SAVE :: first=.TRUE.
197	!$OMP THREADPRIVATE(first)
198
199	IF (first) THEN
200	CALL init_message(geom%xyz_i, req_i0 ,message0)
201	CALL init_message(geom%xyz_i, req_i1 ,message1)
202	first=.FALSE.
203	ENDIF
204
205	CALL transfert_message(geom%xyz_i,message0)
206	CALL transfert_message(geom%xyz_i,message1)
207
208	DO ind=1,ndomain
209	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master) CYCLE
210	CALL swap_dimensions(ind)
211	CALL swap_geometry(ind)
212	DO j=jj_begin,jj_end
213	DO i=ii_begin,ii_end
214	n=(j-1)*iim+i
215	DO k=0,5
216	x1(:) = xyz_i(n+t_pos(k+1),:)
217	x2(:) = xyz_i(n+t_pos(MOD(k+1,6)+1),:)
218	if (norm(x1-x2)<1e-16) x2(:) = xyz_i(n+t_pos(MOD(k+2,6)+1),:)
219	CALL circumcenter(xyz_i(n,:), x1, x2, xyz_v(n+z_pos(k+1),:))
220	ENDDO
221	ENDDO
222	ENDDO
223	ENDDO
224
225	END SUBROUTINE update_circumcenters
226
227	SUBROUTINE remap_schmidt_loc
228	USE spherical_geom_mod
229	USE getin_mod
230	USE omp_para
231	USE domain_mod
232	USE dimensions
233	IMPLICIT NONE
234	INTEGER :: ind,i,j,n
235	REAL(rstd) :: schmidt_factor, schmidt_lon, schmidt_lat
236
237	! Schmidt transform parameters
238	schmidt_factor = 1.
239	CALL getin('schmidt_factor', schmidt_factor)
240	schmidt_factor = schmidt_factor**2.
241
242	schmidt_lon = 0.
243	CALL getin('schmidt_lon', schmidt_lon)
244	schmidt_lon = schmidt_lon * pi/180.
245
246	schmidt_lat = 45.
247	CALL getin('schmidt_lat', schmidt_lat)
248	schmidt_lat = schmidt_lat * pi/180.
249
250	DO ind=1,ndomain
251	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master) CYCLE
252	CALL swap_dimensions(ind)
253	CALL swap_geometry(ind)
254	DO j=jj_begin,jj_end
255	DO i=ii_begin,ii_end
256	n=(j-1)*iim+i
257	CALL schmidt_transform(xyz_i(n,:), schmidt_factor, schmidt_lon, schmidt_lat)
258	ENDDO
259	ENDDO
260	ENDDO
261	END SUBROUTINE remap_schmidt_loc
262
263	SUBROUTINE optimize_geometry
264	USE metric
265	USE spherical_geom_mod
266	USE domain_mod
267	USE dimensions
268	USE transfert_mod
269	USE vector
270	USE getin_mod
271	USE omp_para
272	IMPLICIT NONE
273	INTEGER :: nb_it=0
274	TYPE(t_domain),POINTER :: d
275	INTEGER :: ind,it,i,j,n,k
276	REAL(rstd) :: x1(3),x2(3)
277	REAL(rstd) :: vect(3,6)
278	REAL(rstd) :: centr(3)
279	REAL(rstd) :: sum
280	LOGICAL :: check
281
282
283	CALL getin('optim_it',nb_it)
284
285	DO ind=1,ndomain
286	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master) CYCLE
287	d=>domain(ind)
288	CALL swap_dimensions(ind)
289	CALL swap_geometry(ind)
290	xyz_i(:,1) = 0 ; xyz_i(:,2) = 0 ; xyz_i(:,3) = 1
291
292	DO j=jj_begin,jj_end
293	DO i=ii_begin,ii_end
294	n=(j-1)*iim+i
295	xyz_i(n,:)=d%xyz(:,i,j)
296	ENDDO
297	ENDDO
298	ENDDO
299
300	CALL update_circumcenters
301
302	DO ind=1,ndomain
303	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master ) CYCLE
304	d=>domain(ind)
305	CALL swap_dimensions(ind)
306	CALL swap_geometry(ind)
307	DO j=jj_begin,jj_end
308	DO i=ii_begin,ii_end
309	n=(j-1)*iim+i
310	DO k=0,5
311	x1(:) = xyz_v(n+z_pos(k+1),:)
312	x2(:) = d%vertex(:,k,i,j)
313	IF (norm(x1-x2)>1e-10) THEN
314	PRINT*,"vertex diff ",ind,i,j,k
315	PRINT*,x1
316	PRINT*,x2
317	ENDIF
318	ENDDO
319	ENDDO
320	ENDDO
321	ENDDO
322
323
324	DO it=1,nb_it
325	IF (MOD(it,100)==0) THEN
326	check=is_master
327	ELSE
328	check=.FALSE.
329	ENDIF
330
331	sum=0
332	DO ind=1,ndomain
333	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master ) CYCLE
334	CALL swap_dimensions(ind)
335	CALL swap_geometry(ind)
336	DO j=jj_begin,jj_end
337	DO i=ii_begin,ii_end
338	n=(j-1)*iim+i
339	vect(:,1)=xyz_v(n+z_rup,:)
340	vect(:,2)=xyz_v(n+z_up,:)
341	vect(:,3)=xyz_v(n+z_lup,:)
342	vect(:,4)=xyz_v(n+z_ldown,:)
343	vect(:,5)=xyz_v(n+z_down,:)
344	vect(:,6)=xyz_v(n+z_rdown,:)
345	CALL compute_centroid(vect,6,centr)
346	IF (check) THEN
347	sum=MAX(sum,norm(xyz_i(n,:)-centr(:)))
348	ENDIF
349	xyz_i(n,:)=centr(:)
350	ENDDO
351	ENDDO
352
353	ENDDO
354
355	IF (check) PRINT *,"it = ",it," diff centroid circumcenter ",sum
356
357	CALL update_circumcenters
358
359	ENDDO
360
361	END SUBROUTINE optimize_geometry
362
363	SUBROUTINE update_domain
364	! copy position of generators and vertices back into domain(:)%xyz/vertex
365	! so that XIOS/create_header_gen gets the right values
366	USE omp_para
367	USE dimensions
368	USE domain_mod
369	USE transfert_mpi_mod
370
371	INTEGER :: ind,i,j,k,n
372	TYPE(t_domain),POINTER :: d
373	TYPE(t_field),POINTER,SAVE :: xyz_glo(:), xyz_loc(:), vertex_glo(:), vertex_loc(:)
374	REAL(rstd), POINTER :: xyz(:,:), vertex(:,:)
375
376	CALL allocate_field(xyz_loc, field_t, type_real, 3)
377	CALL allocate_field(vertex_loc, field_z, type_real, 3)
378
379	DO ind=1,ndomain
380	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master ) CYCLE
381	CALL swap_dimensions(ind)
382	CALL swap_geometry(ind)
383	xyz = xyz_loc(ind)
384	xyz(:,:) = xyz_i(:,:)
385	vertex = vertex_loc(ind)
386	vertex(:,:) = xyz_v(:,:)
387	END DO
388
389	!$OMP BARRIER
390	!$OMP MASTER
391	CALL allocate_field_glo(xyz_glo, field_t, type_real, 3)
392	CALL allocate_field_glo(vertex_glo, field_z, type_real, 3)
393
394	CALL gather_field(xyz_loc, xyz_glo)
395	CALL gather_field(vertex_loc, vertex_glo)
396
397	CALL bcast_field(xyz_glo)
398	CALL bcast_field(vertex_glo)
399
400	DO ind=1,ndomain_glo
401	d=>domain_glo(ind)
402	xyz = xyz_glo(ind)
403	vertex = vertex_glo(ind)
404	DO j=d%jj_begin,d%jj_end
405	DO i=d%ii_begin,d%ii_end
406	n=(j-1)*d%iim+i
407	d%xyz(:,i,j)=xyz(n,:)
408	DO k=0,5
409	d%vertex(:,k,i,j) = vertex(n+d%z_pos(k+1),:)
410	END DO
411	END DO
412	END DO
413	END DO
414
415	CALL deallocate_field_glo(vertex_glo)
416	CALL deallocate_field_glo(xyz_glo)
417	!$OMP END MASTER
418	!$OMP BARRIER
419	CALL deallocate_field(vertex_loc)
420	CALL deallocate_field(xyz_loc)
421
422	END SUBROUTINE update_domain
423
424	SUBROUTINE set_geometry
425	USE metric
426	USE vector
427	USE spherical_geom_mod
428	USE domain_mod
429	USE dimensions
430	USE transfert_mod
431	USE getin_mod
432	USE omp_para
433	IMPLICIT NONE
434
435	REAL(rstd) :: surf(6)
436	REAL(rstd) :: surf_v(6)
437	REAL(rstd) :: vect(3,6)
438	REAL(rstd) :: centr(3)
439	REAL(rstd) :: vet(3),vep(3), vertex(3)
440	INTEGER :: ind,i,j,k,n
441	TYPE(t_domain),POINTER :: d
442	REAL(rstd) :: S12
443	REAL(rstd) :: w(6)
444	REAL(rstd) :: lon,lat
445	INTEGER :: ii_glo,jj_glo
446	REAL(rstd) :: S
447
448
449	CALL optimize_geometry
450	CALL remap_schmidt_loc
451	CALL update_circumcenters
452	! copy position of generators and vertices back into domain(:)%xyz/vertex
453	! so that XIOS gets the right values
454	CALL update_domain
455
456	DO ind=1,ndomain
457	IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master ) CYCLE
458	d=>domain(ind)
459	CALL swap_dimensions(ind)
460	CALL swap_geometry(ind)
461	lon_i(:)=0 ; lat_i(:)=0
462	lon_e(:)=0 ; lat_e(:)=0
463	DO j=jj_begin-1,jj_end+1
464	DO i=ii_begin-1,ii_end+1
465	n=(j-1)*iim+i
466
467	DO k=0,5
468	ne(n,k+1)=d%ne(k,i,j)
469	ENDDO
470
471	vect(:,1)=xyz_v(n+z_rup,:)
472	vect(:,2)=xyz_v(n+z_up,:)
473	vect(:,3)=xyz_v(n+z_lup,:)
474	vect(:,4)=xyz_v(n+z_ldown,:)
475	vect(:,5)=xyz_v(n+z_down,:)
476	vect(:,6)=xyz_v(n+z_rdown,:)
477	CALL compute_centroid(vect,6,centr)
478	centroid(n,:)=centr(:)
479
480
481	CALL xyz2lonlat(xyz_v(n+z_up,:),lon,lat)
482	fv(n+z_up)=2sin(lat)omega
483	CALL xyz2lonlat(xyz_v(n+z_down,:),lon,lat)
484	fv(n+z_down)=2sin(lat)omega
485
486	bi(n)=0.
487
488	CALL dist_cart(xyz_i(n,:),xyz_i(n+t_right,:),de(n+u_right))
489	CALL dist_cart(xyz_i(n,:),xyz_i(n+t_lup,:),de(n+u_lup))
490	CALL dist_cart(xyz_i(n,:),xyz_i(n+t_ldown,:),de(n+u_ldown))
491
492	CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_right,:),0.5,xyz_e(n+u_right,:))
493	CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_lup,:),0.5,xyz_e(n+u_lup,:))
494	CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_ldown,:),0.5,xyz_e(n+u_ldown,:))
495
496	CALL dist_cart(xyz_v(n+z_rdown,:), xyz_v(n+z_rup,:),le(n+u_right))
497	CALL dist_cart(xyz_v(n+z_up,:), xyz_v(n+z_lup,:),le(n+u_lup))
498	CALL dist_cart(xyz_v(n+z_ldown,:), xyz_v(n+z_down,:),le(n+u_ldown))
499
500	le_de(n+u_right)=le(n+u_right)/de(n+u_right) ! NaN possible but should be harmless
501	le_de(n+u_lup) =le(n+u_lup) /de(n+u_lup)
502	le_de(n+u_ldown)=le(n+u_ldown)/de(n+u_ldown)
503
504	Ai(n)=0
505	DO k=0,5
506	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))
507	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))
508	Ai(n)=Ai(n)+surf(k+1)
509	IF (i==ii_end .AND. j==jj_begin) THEN
510	IF (Ai(n)<1e20) THEN
511	ELSE
512	PRINT *,"PB !!",Ai(n),k,surf(k+1)
513	PRINT*,xyz_i(n,:),xyz_v(n+z_pos(MOD((k-1+6),6)+1),:),xyz_v(n+z_pos(k+1),:)
514	ENDIF
515	ENDIF
516	ENDDO
517
518	! Sign convention : Ringler et al., JCP 2010, eq. 21 p. 3071
519	! Normal component is along outgoing normal vector if ne=1
520
521	CALL cross_product2(xyz_v(n+z_rdown,:),xyz_v(n+z_rup,:),vep)
522	IF (norm(vep)>1e-30) THEN
523	vep(:)=vep(:)/norm(vep) ! Inward normal vector
524	CALL cross_product2(vep,xyz_e(n+u_right,:),vet) ! Counter-clockwise tangent vector
525	vet(:)=vet(:)/norm(vet)
526	ep_e(n+u_right,:)=-vep(:)*ne(n,right)
527	et_e(n+u_right,:)=vet(:)*ne(n,right)
528	ENDIF
529
530	CALL cross_product2(xyz_v(n+z_up,:),xyz_v(n+z_lup,:),vep)
531	IF (norm(vep)>1e-30) THEN
532	vep(:)=vep(:)/norm(vep)
533	CALL cross_product2(vep,xyz_e(n+u_lup,:),vet)
534	vet(:)=vet(:)/norm(vet)
535	ep_e(n+u_lup,:)=-vep(:)*ne(n,lup)
536	et_e(n+u_lup,:)=vet(:)*ne(n,lup)
537	ENDIF
538
539	CALL cross_product2(xyz_v(n+z_ldown,:),xyz_v(n+z_down,:),vep)
540	IF (norm(vep)>1e-30) THEN
541	vep(:)=vep(:)/norm(vep)
542	CALL cross_product2(vep,xyz_e(n+u_ldown,:),vet)
543	vet(:)=vet(:)/norm(vet)
544	ep_e(n+u_ldown,:)=-vep(:)*ne(n,ldown)
545	et_e(n+u_ldown,:)=vet(:)*ne(n,ldown)
546	ENDIF
547
548	CALL xyz2lonlat(xyz_i(n,:),lon,lat)
549	lon_i(n)=lon
550	lat_i(n)=lat
551	elon_i(n,1) = -sin(lon)
552	elon_i(n,2) = cos(lon)
553	elon_i(n,3) = 0
554	elat_i(n,1) = -cos(lon)*sin(lat)
555	elat_i(n,2) = -sin(lon)*sin(lat)
556	elat_i(n,3) = cos(lat)
557
558
559	CALL xyz2lonlat(xyz_e(n+u_right,:),lon,lat)
560	lon_e(n+u_right)=lon
561	lat_e(n+u_right)=lat
562	elon_e(n+u_right,1) = -sin(lon)
563	elon_e(n+u_right,2) = cos(lon)
564	elon_e(n+u_right,3) = 0
565	elat_e(n+u_right,1) = -cos(lon)*sin(lat)
566	elat_e(n+u_right,2) = -sin(lon)*sin(lat)
567	elat_e(n+u_right,3) = cos(lat)
568
569	CALL xyz2lonlat(xyz_e(n+u_lup,:),lon,lat)
570	lon_e(n+u_lup)=lon
571	lat_e(n+u_lup)=lat
572	elon_e(n+u_lup,1) = -sin(lon)
573	elon_e(n+u_lup,2) = cos(lon)
574	elon_e(n+u_lup,3) = 0
575	elat_e(n+u_lup,1) = -cos(lon)*sin(lat)
576	elat_e(n+u_lup,2) = -sin(lon)*sin(lat)
577	elat_e(n+u_lup,3) = cos(lat)
578
579	CALL xyz2lonlat(xyz_e(n+u_ldown,:),lon,lat)
580	lon_e(n+u_ldown)=lon
581	lat_e(n+u_ldown)=lat
582	elon_e(n+u_ldown,1) = -sin(lon)
583	elon_e(n+u_ldown,2) = cos(lon)
584	elon_e(n+u_ldown,3) = 0
585	elat_e(n+u_ldown,1) = -cos(lon)*sin(lat)
586	elat_e(n+u_ldown,2) = -sin(lon)*sin(lat)
587	elat_e(n+u_ldown,3) = cos(lat)
588
589
590	DO k=0,5
591	CALL surf_triangle(xyz_i(n,:), xyz_v(n+z_pos(k+1),:), xyz_i(n+t_pos(k+1),:),S1(n,k+1) )
592	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) )
593	S12 = .5*(S1(n,k+1)+S2(n,k+1))
594	Riv(n,k+1)=S12/Ai(n)
595	Riv2(n,k+1)=S12/surf_v(k+1)
596	ENDDO
597
598	DO k=1,6
599	IF (ABS(surf_v(k))<1e-30) THEN
600	Riv(n,k)=0.
601	ENDIF
602	ENDDO
603
604	Av(n+z_up)=surf_v(vup)+1e-100
605	Av(n+z_down)=surf_v(vdown)+1e-100
606
607	ENDDO
608	ENDDO
609
610	DO j=jj_begin,jj_end
611	DO i=ii_begin,ii_end
612	n=(j-1)*iim+i
613
614	CALL compute_wee(n,right,w)
615	Wee(n+u_right,:,1)=w(1:5)
616
617	CALL compute_wee(n+t_right,left,w)
618	Wee(n+u_right,:,2)=w(1:5)
619
620
621	CALL compute_wee(n,lup,w)
622	Wee(n+u_lup,:,1)=w(1:5)
623
624	CALL compute_wee(n+t_lup,rdown,w)
625	Wee(n+u_lup,:,2)=w(1:5)
626
627
628	CALL compute_wee(n,ldown,w)
629	Wee(n+u_ldown,:,1)=w(1:5)
630
631	CALL compute_wee(n+t_ldown,rup,w)
632	Wee(n+u_ldown,:,2)=w(1:5)
633
634	ENDDO
635	ENDDO
636
637	DO j=jj_begin,jj_end
638	DO i=ii_begin,ii_end
639	n=(j-1)*iim+i
640	ii_glo=d%ii_begin_glo-d%ii_begin+i
641	jj_glo=d%jj_begin_glo-d%jj_begin+j
642
643	IF (ii_glo==1 .AND. jj_glo==1) THEN
644	le(n+u_ldown)=0
645	le_de(n+u_ldown)=0
646	xyz_v(n+z_ldown,:)=xyz_v(n+z_down,:)
647
648	ENDIF
649
650	IF (ii_glo==iim_glo .AND. jj_glo==1) THEN
651	le(n+u_right)=0
652	le_de(n+u_right)=0
653	xyz_v(n+z_rdown,:)=xyz_v(n+z_rup,:)
654	ENDIF
655
656	IF (ii_glo==iim_glo .AND. jj_glo==jjm_glo) THEN
657	le(n+u_rup)=0
658	le_de(n+u_rup)=0
659	xyz_v(n+z_rup,:)=xyz_v(n+z_up,:)
660	ENDIF
661
662	IF (ii_glo==1 .AND. jj_glo==jjm_glo) THEN
663	le(n+u_lup)=0
664	le_de(n+u_lup)=0
665	xyz_v(n+z_up,:)=xyz_v(n+z_lup,:)
666	ENDIF
667
668	ENDDO
669	ENDDO
670
671	DO j=jj_begin-1,jj_end+1
672	DO i=ii_begin-1,ii_end+1
673	n=(j-1)*iim+i
674	xyz_i(n,:)=xyz_i(n,:) * radius
675	xyz_v(n+z_up,:)=xyz_v(n+z_up,:) * radius
676	xyz_v(n+z_down,:)=xyz_v(n+z_down,:) *radius
677	de(n+u_right)=de(n+u_right) * radius
678	de(n+u_lup)=de(n+u_lup)*radius
679	de(n+u_ldown)=de(n+u_ldown)*radius
680	xyz_e(n+u_right,:)=xyz_e(n+u_right,:)*radius
681	xyz_e(n+u_lup,:)=xyz_e(n+u_lup,:)*radius
682	xyz_e(n+u_ldown,:)=xyz_e(n+u_ldown,:)*radius
683	le(n+u_right)=le(n+u_right)*radius
684	le(n+u_lup)=le(n+u_lup)*radius
685	le(n+u_ldown)=le(n+u_ldown)*radius
686	Ai(n)=Ai(n)radius*2
687	Av(n+z_up)=Av(n+z_up)radius*2
688	Av(n+z_down)=Av(n+z_down)radius*2
689	ENDDO
690	ENDDO
691
692	ENDDO
693
694	CALL transfert_request(geom%Ai,req_i1)
695	CALL transfert_request(geom%centroid,req_i1)
696
697	! CALL surf_triangle(d%xyz(:,ii_begin,jj_begin),d%xyz(:,ii_begin,jj_end),d%xyz(:,ii_end,jj_begin),S)
698
699	END SUBROUTINE set_geometry
700
701	SUBROUTINE compute_wee(n,pos,w)
702	IMPLICIT NONE
703	INTEGER,INTENT(IN) :: n
704	INTEGER,INTENT(IN) :: pos
705	REAL(rstd),INTENT(OUT) ::w(6)
706
707	REAL(rstd) :: ne_(0:5)
708	REAL(rstd) :: Riv_(6)
709	INTEGER :: k
710
711
712	DO k=0,5
713	ne_(k)=ne(n,MOD(pos-1+k+6,6)+1)
714	Riv_(k+1)=Riv(n,MOD(pos-1+k+6,6)+1)
715	ENDDO
716
717	w(1)=-ne_(0)ne_(1)(Riv_(1)-0.5)
718	w(2)=-ne_(2)(ne_(0)Riv_(2)-w(1)*ne_(1))
719	w(3)=-ne_(3)(ne_(0)Riv_(3)-w(2)*ne_(2))
720	w(4)=-ne_(4)(ne_(0)Riv_(4)-w(3)*ne_(3))
721	w(5)=-ne_(5)(ne_(0)Riv_(5)-w(4)*ne_(4))
722	w(6)=ne_(0)ne_(5)(Riv_(6)-0.5)
723
724	! IF ( ABS(w(5)-w(6))>1e-20) PRINT *, "pb pour wee : w(5)!=w(6)",sum(Riv_(:))
725
726	END SUBROUTINE compute_wee
727
728
729
730	SUBROUTINE compute_geometry
731	IMPLICIT NONE
732	CALL allocate_geometry
733	CALL set_geometry
734
735	END SUBROUTINE compute_geometry
736
737	END MODULE geometry

Note: See TracBrowser for help on using the repository browser.

Download in other formats: