source: dynamico_lmdz/aquaplanet/ICOSAGCM/src/geometry.f90 @ 3891

Last change on this file since 3891 was 3810, checked in by ymipsl, 10 years ago

Add DYNAMICO in aquaplanet configuration
YM
File size: 18.5 KB
Line 
1MODULE geometry
2  USE field_mod
3 
4  TYPE t_geometry
5    TYPE(t_field),POINTER :: centroid(:)
6    TYPE(t_field),POINTER :: xyz_i(:)
7    TYPE(t_field),POINTER :: xyz_e(:)
8    TYPE(t_field),POINTER :: xyz_v(:)
9    TYPE(t_field),POINTER :: lon_i(:)
10    TYPE(t_field),POINTER :: lon_e(:)
11    TYPE(t_field),POINTER :: lat_i(:)
12    TYPE(t_field),POINTER :: lat_e(:)
13    TYPE(t_field),POINTER :: ep_e(:)
14    TYPE(t_field),POINTER :: et_e(:)
15    TYPE(t_field),POINTER :: elon_i(:)
16    TYPE(t_field),POINTER :: elat_i(:)
17    TYPE(t_field),POINTER :: elon_e(:)
18    TYPE(t_field),POINTER :: elat_e(:)
19    TYPE(t_field),POINTER :: Ai(:)
20    TYPE(t_field),POINTER :: Av(:)
21    TYPE(t_field),POINTER :: de(:)
22    TYPE(t_field),POINTER :: le(:)
23    TYPE(t_field),POINTER :: Riv(:)
24    TYPE(t_field),POINTER :: Riv2(:)
25    TYPE(t_field),POINTER :: ne(:)
26    TYPE(t_field),POINTER :: Wee(:)
27    TYPE(t_field),POINTER :: bi(:)
28    TYPE(t_field),POINTER :: fv(:)
29  END TYPE t_geometry   
30
31  TYPE(t_geometry),SAVE,TARGET :: geom
32
33 
34  REAL(rstd),POINTER :: Ai(:)          ! area of a cell
35!$OMP THREADPRIVATE(Ai)
36  REAL(rstd),POINTER :: centroid(:,:)  ! coordinate of the centroid of the cell
37!$OMP THREADPRIVATE(centroid)
38  REAL(rstd),POINTER :: xyz_i(:,:)     ! coordinate of the center of the cell (voronoi)
39!$OMP THREADPRIVATE(xyz_i)
40  REAL(rstd),POINTER :: xyz_e(:,:)     ! coordinate of a wind point on the cell on a edge
41!$OMP THREADPRIVATE(xyz_e)
42  REAL(rstd),POINTER :: xyz_v(:,:)     ! coordinate of a vertex (center of the dual mesh)
43!$OMP THREADPRIVATE(xyz_v)
44  REAL(rstd),POINTER :: lon_i(:)       ! longitude of the center of the cell (voronoi)
45!$OMP THREADPRIVATE(lon_i)
46  REAL(rstd),POINTER :: lon_e(:)       ! longitude of a wind point on the cell on a edge
47!$OMP THREADPRIVATE(lon_e)
48  REAL(rstd),POINTER :: lat_i(:)       ! latitude of the center of the cell (voronoi)
49!$OMP THREADPRIVATE(lat_i)
50  REAL(rstd),POINTER :: lat_e(:)       ! latitude of a wind point on the cell on a edge
51!$OMP THREADPRIVATE(lat_e)
52  REAL(rstd),POINTER :: ep_e(:,:)      ! perpendicular unit vector of a edge (outsider)
53!$OMP THREADPRIVATE(ep_e)
54  REAL(rstd),POINTER :: et_e(:,:)      ! tangeantial unit vector of a edge
55!$OMP THREADPRIVATE(et_e)
56  REAL(rstd),POINTER :: elon_i(:,:)    ! unit longitude vector on the center
57!$OMP THREADPRIVATE(elon_i)
58  REAL(rstd),POINTER :: elat_i(:,:)    ! unit latitude vector on the center
59!$OMP THREADPRIVATE(elat_i)
60  REAL(rstd),POINTER :: elon_e(:,:)    ! unit longitude vector on a wind point
61!$OMP THREADPRIVATE(elon_e)
62  REAL(rstd),POINTER :: elat_e(:,:)    ! unit latitude vector on a wind point
63!$OMP THREADPRIVATE(elat_e)
64  REAL(rstd),POINTER :: Av(:)          ! area of dual mesk cell
65!$OMP THREADPRIVATE(Av)
66  REAL(rstd),POINTER :: de(:)          ! distance from a neighbour == lenght of an edge of the dual mesh
67!$OMP THREADPRIVATE(de)
68  REAL(rstd),POINTER :: le(:)          ! lenght of a edge
69!$OMP THREADPRIVATE(le)
70  REAL(rstd),POINTER :: Riv(:,:)       ! weight
71!$OMP THREADPRIVATE(Riv)
72  REAL(rstd),POINTER :: Riv2(:,:)      ! weight
73!$OMP THREADPRIVATE(Riv2)
74  INTEGER,POINTER    :: ne(:,:)        ! convention for the way on the normal wind on an edge
75!$OMP THREADPRIVATE(ne)
76  REAL(rstd),POINTER :: Wee(:,:,:)     ! weight
77!$OMP THREADPRIVATE(Wee)
78  REAL(rstd),POINTER :: bi(:)          ! orographie
79!$OMP THREADPRIVATE(bi)
80  REAL(rstd),POINTER :: fv(:)          ! coriolis (evaluted on a vertex)
81!$OMP THREADPRIVATE(fv)
82     
83
84  INTEGER, PARAMETER :: ne_right=1
85  INTEGER, PARAMETER :: ne_rup=-1
86  INTEGER, PARAMETER :: ne_lup=1
87  INTEGER, PARAMETER :: ne_left=-1
88  INTEGER, PARAMETER :: ne_ldown=1
89  INTEGER, PARAMETER :: ne_rdown=-1
90
91CONTAINS
92
93  SUBROUTINE allocate_geometry
94  USE field_mod
95  IMPLICIT NONE
96 
97    CALL allocate_field(geom%Ai,field_t,type_real,name='Ai')
98
99    CALL allocate_field(geom%xyz_i,field_t,type_real,3)
100    CALL allocate_field(geom%lon_i,field_t,type_real)
101    CALL allocate_field(geom%lat_i,field_t,type_real)
102    CALL allocate_field(geom%elon_i,field_t,type_real,3)
103    CALL allocate_field(geom%elat_i,field_t,type_real,3)
104    CALL allocate_field(geom%centroid,field_t,type_real,3)
105
106    CALL allocate_field(geom%xyz_e,field_u,type_real,3)
107    CALL allocate_field(geom%lon_e,field_u,type_real)
108    CALL allocate_field(geom%lat_e,field_u,type_real)
109    CALL allocate_field(geom%elon_e,field_u,type_real,3)
110    CALL allocate_field(geom%elat_e,field_u,type_real,3)
111    CALL allocate_field(geom%ep_e,field_u,type_real,3)
112    CALL allocate_field(geom%et_e,field_u,type_real,3)
113
114    CALL allocate_field(geom%xyz_v,field_z,type_real,3)
115    CALL allocate_field(geom%de,field_u,type_real)
116    CALL allocate_field(geom%le,field_u,type_real)
117    CALL allocate_field(geom%bi,field_t,type_real)
118    CALL allocate_field(geom%Av,field_z,type_real)
119    CALL allocate_field(geom%Riv,field_t,type_real,6)
120    CALL allocate_field(geom%Riv2,field_t,type_real,6)
121    CALL allocate_field(geom%ne,field_t,type_integer,6)
122    CALL allocate_field(geom%Wee,field_u,type_real,5,2)
123    CALL allocate_field(geom%bi,field_t,type_real)
124    CALL allocate_field(geom%fv,field_z,type_real)
125
126  END SUBROUTINE allocate_geometry
127 
128 
129  SUBROUTINE swap_geometry(ind)
130  USE field_mod
131  IMPLICIT NONE
132    INTEGER,INTENT(IN) :: ind
133!!$OMP MASTER
134    Ai=geom%Ai(ind)
135    xyz_i=geom%xyz_i(ind)
136    centroid=geom%centroid(ind)
137    xyz_e=geom%xyz_e(ind)
138    ep_e=geom%ep_e(ind)
139    et_e=geom%et_e(ind)
140    lon_i=geom%lon_i(ind)
141    lat_i=geom%lat_i(ind)
142    lon_e=geom%lon_e(ind)
143    lat_e=geom%lat_e(ind)
144    elon_i=geom%elon_i(ind)
145    elat_i=geom%elat_i(ind)
146    elon_e=geom%elon_e(ind)
147    elat_e=geom%elat_e(ind)
148    xyz_v=geom%xyz_v(ind)
149    de=geom%de(ind)
150    le=geom%le(ind)
151    Av=geom%Av(ind)
152    Riv=geom%Riv(ind)
153    Riv2=geom%Riv2(ind)
154    ne=geom%ne(ind)
155    Wee=geom%Wee(ind)
156    bi=geom%bi(ind)
157    fv=geom%fv(ind)
158!!$OMP END MASTER
159!!$OMP BARRIER   
160  END SUBROUTINE swap_geometry
161
162  SUBROUTINE update_circumcenters
163    USE domain_mod
164    USE dimensions
165    USE spherical_geom_mod
166    USE vector
167    USE transfert_mod
168    USE omp_para
169
170    IMPLICIT NONE
171    REAL(rstd) :: x1(3),x2(3)
172    REAL(rstd) :: vect(3,6)
173    REAL(rstd) :: centr(3)
174    INTEGER :: ind,i,j,n,k
175    TYPE(t_message),SAVE :: message0, message1
176    LOGICAL, SAVE :: first=.TRUE.
177!$OMP THREADPRIVATE(first)   
178   
179    IF (first) THEN
180      CALL init_message(geom%xyz_i, req_i0 ,message0)
181      CALL init_message(geom%xyz_i, req_i1 ,message1)
182      first=.FALSE.
183    ENDIF
184   
185    CALL transfert_message(geom%xyz_i,message0)
186    CALL transfert_message(geom%xyz_i,message1)
187   
188    DO ind=1,ndomain
189      IF (.NOT. assigned_domain(ind) .OR. .NOT. is_omp_level_master) CYCLE
190      CALL swap_dimensions(ind)
191      CALL swap_geometry(ind)
192      DO j=jj_begin,jj_end
193        DO i=ii_begin,ii_end
194          n=(j-1)*iim+i
195          DO k=0,5
196            x1(:) = xyz_i(n+t_pos(k+1),:)
197            x2(:) = xyz_i(n+t_pos(MOD(k+1,6)+1),:)
198            if (norm(x1-x2)<1e-16) x2(:) = xyz_i(n+t_pos(MOD(k+2,6)+1),:)
199            CALL circumcenter(xyz_i(n,:), x1, x2, xyz_v(n+z_pos(k+1),:))
200          ENDDO
201        ENDDO
202      ENDDO
203    ENDDO
204
205  END SUBROUTINE update_circumcenters
206
207  SUBROUTINE optimize_geometry
208  USE metric
209  USE spherical_geom_mod
210  USE domain_mod
211  USE dimensions
212  USE transfert_mod
213  USE vector
214  USE getin_mod
215  USE omp_para
216  IMPLICIT NONE
217    INTEGER :: nb_it=0
218    TYPE(t_domain),POINTER :: d
219    INTEGER :: ind,it,i,j,n,k
220    REAL(rstd) :: x1(3),x2(3)
221    REAL(rstd) :: vect(3,6)
222    REAL(rstd) :: centr(3)
223    REAL(rstd) :: sum
224    LOGICAL    :: check
225   
226   
227    CALL getin('optim_it',nb_it)
228   
229    DO ind=1,ndomain
230      IF (.NOT. assigned_domain(ind)  .OR. .NOT. is_omp_level_master) CYCLE
231      d=>domain(ind)
232      CALL swap_dimensions(ind)
233      CALL swap_geometry(ind)
234      DO j=jj_begin,jj_end
235        DO i=ii_begin,ii_end
236          n=(j-1)*iim+i
237          xyz_i(n,:)=d%xyz(:,i,j)
238        ENDDO
239      ENDDO
240    ENDDO
241   
242    CALL update_circumcenters
243
244    DO ind=1,ndomain
245      IF (.NOT. assigned_domain(ind)  .OR. .NOT. is_omp_level_master ) CYCLE
246      d=>domain(ind)
247      CALL swap_dimensions(ind)
248      CALL swap_geometry(ind)
249      DO j=jj_begin,jj_end
250        DO i=ii_begin,ii_end
251          n=(j-1)*iim+i
252          DO k=0,5
253            x1(:) = xyz_v(n+z_pos(k+1),:)
254            x2(:) = d%vertex(:,k,i,j)
255            IF (norm(x1-x2)>1e-10) THEN
256              PRINT*,"vertex diff ",ind,i,j,k
257              PRINT*,x1
258              PRINT*,x2
259            ENDIF
260          ENDDO
261        ENDDO
262      ENDDO
263    ENDDO
264   
265   
266    DO it=1,nb_it
267      IF (MOD(it,100)==0) THEN
268        check=is_master
269      ELSE
270        check=.FALSE.
271      ENDIF
272     
273      sum=0
274      DO ind=1,ndomain
275      IF (.NOT. assigned_domain(ind)  .OR. .NOT. is_omp_level_master ) CYCLE
276        CALL swap_dimensions(ind)
277        CALL swap_geometry(ind)
278        DO j=jj_begin,jj_end
279          DO i=ii_begin,ii_end
280            n=(j-1)*iim+i
281            vect(:,1)=xyz_v(n+z_rup,:)
282            vect(:,2)=xyz_v(n+z_up,:)
283            vect(:,3)=xyz_v(n+z_lup,:)
284            vect(:,4)=xyz_v(n+z_ldown,:)
285            vect(:,5)=xyz_v(n+z_down,:)
286            vect(:,6)=xyz_v(n+z_rdown,:)
287            CALL compute_centroid(vect,6,centr)
288            IF (check) THEN
289              sum=MAX(sum,norm(xyz_i(n,:)-centr(:)))
290            ENDIF
291            xyz_i(n,:)=centr(:)
292          ENDDO
293        ENDDO
294       
295      ENDDO
296
297      IF (check) PRINT *,"it = ",it,"  diff centroid circumcenter ",sum
298
299     CALL update_circumcenters
300
301    ENDDO
302   
303  END SUBROUTINE optimize_geometry
304
305  SUBROUTINE set_geometry
306  USE metric
307  USE vector
308  USE spherical_geom_mod
309  USE domain_mod
310  USE dimensions
311  USE transfert_mod
312  USE getin_mod
313  USE omp_para
314  IMPLICIT NONE
315
316    REAL(rstd) :: surf(6)
317    REAL(rstd) :: surf_v(6)
318    REAL(rstd) :: vect(3,6)
319    REAL(rstd) :: centr(3)
320    REAL(rstd) :: vet(3),vep(3), vertex(3)
321    INTEGER :: ind,i,j,k,n
322    TYPE(t_domain),POINTER :: d
323    REAL(rstd) ::  S
324    REAL(rstd) :: w(6)
325    REAL(rstd) :: lon,lat
326    INTEGER :: ii_glo,jj_glo
327    REAL(rstd) :: S1,S2
328         
329     
330    CALL optimize_geometry
331 
332    DO ind=1,ndomain
333      IF (.NOT. assigned_domain(ind)  .OR. .NOT. is_omp_level_master ) CYCLE
334      d=>domain(ind)
335      CALL swap_dimensions(ind)
336      CALL swap_geometry(ind)
337      DO j=jj_begin-1,jj_end+1
338        DO i=ii_begin-1,ii_end+1
339          n=(j-1)*iim+i
340
341          DO k=0,5
342            ne(n,k+1)=d%ne(k,i,j)
343          ENDDO
344
345          vect(:,1)=xyz_v(n+z_rup,:)
346          vect(:,2)=xyz_v(n+z_up,:)
347          vect(:,3)=xyz_v(n+z_lup,:)
348          vect(:,4)=xyz_v(n+z_ldown,:)
349          vect(:,5)=xyz_v(n+z_down,:)
350          vect(:,6)=xyz_v(n+z_rdown,:)
351          CALL compute_centroid(vect,6,centr)
352          centroid(n,:)=centr(:)
353
354               
355          CALL xyz2lonlat(xyz_v(n+z_up,:),lon,lat)
356          fv(n+z_up)=2*sin(lat)*omega
357          CALL xyz2lonlat(xyz_v(n+z_down,:),lon,lat)
358          fv(n+z_down)=2*sin(lat)*omega
359         
360          bi(n)=0.
361       
362          CALL dist_cart(xyz_i(n,:),xyz_i(n+t_right,:),de(n+u_right))
363          CALL dist_cart(xyz_i(n,:),xyz_i(n+t_lup,:),de(n+u_lup))
364          CALL dist_cart(xyz_i(n,:),xyz_i(n+t_ldown,:),de(n+u_ldown))
365         
366          CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_right,:),0.5,xyz_e(n+u_right,:))
367          CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_lup,:),0.5,xyz_e(n+u_lup,:))
368          CALL div_arc_bis(xyz_i(n,:),xyz_i(n+t_ldown,:),0.5,xyz_e(n+u_ldown,:))
369
370          CALL dist_cart(xyz_v(n+z_rdown,:), xyz_v(n+z_rup,:),le(n+u_right))
371          CALL dist_cart(xyz_v(n+z_up,:), xyz_v(n+z_lup,:),le(n+u_lup))
372          CALL dist_cart(xyz_v(n+z_ldown,:), xyz_v(n+z_down,:),le(n+u_ldown))
373         
374          Ai(n)=0
375          DO k=0,5
376            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))
377            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))
378            Ai(n)=Ai(n)+surf(k+1)
379            IF (i==ii_end .AND. j==jj_begin) THEN
380              IF (Ai(n)<1e20) THEN
381              ELSE
382                PRINT *,"PB !!",Ai(n),k,surf(k+1)
383                PRINT*,xyz_i(n,:),xyz_v(n+z_pos(MOD((k-1+6),6)+1),:),xyz_v(n+z_pos(k+1),:)
384              ENDIF
385            ENDIF
386          ENDDO
387
388          ! Sign convention : Ringler et al., JCP 2010, eq. 21 p. 3071
389          ! Normal component is along outgoing normal vector if ne=1
390
391          CALL cross_product2(xyz_v(n+z_rdown,:),xyz_v(n+z_rup,:),vep)
392          IF (norm(vep)>1e-30) THEN
393            vep(:)=vep(:)/norm(vep)                         ! Inward normal vector
394            CALL cross_product2(vep,xyz_e(n+u_right,:),vet) ! Counter-clockwise tangent vector
395            vet(:)=vet(:)/norm(vet)
396            ep_e(n+u_right,:)=-vep(:)*ne(n,right)
397            et_e(n+u_right,:)=vet(:)*ne(n,right)
398          ENDIF
399
400          CALL cross_product2(xyz_v(n+z_up,:),xyz_v(n+z_lup,:),vep)
401          IF (norm(vep)>1e-30) THEN
402            vep(:)=vep(:)/norm(vep)
403            CALL cross_product2(vep,xyz_e(n+u_lup,:),vet)
404            vet(:)=vet(:)/norm(vet)
405            ep_e(n+u_lup,:)=-vep(:)*ne(n,lup)
406            et_e(n+u_lup,:)=vet(:)*ne(n,lup)
407          ENDIF
408
409          CALL cross_product2(xyz_v(n+z_ldown,:),xyz_v(n+z_down,:),vep)
410          IF (norm(vep)>1e-30) THEN
411            vep(:)=vep(:)/norm(vep)
412            CALL cross_product2(vep,xyz_e(n+u_ldown,:),vet)
413            vet(:)=vet(:)/norm(vet)
414            ep_e(n+u_ldown,:)=-vep(:)*ne(n,ldown)
415            et_e(n+u_ldown,:)=vet(:)*ne(n,ldown)
416          ENDIF
417
418          CALL xyz2lonlat(xyz_i(n,:),lon,lat)
419          lon_i(n)=lon
420          lat_i(n)=lat
421          elon_i(n,1) = -sin(lon)
422          elon_i(n,2) = cos(lon)
423          elon_i(n,3) = 0
424          elat_i(n,1) = -cos(lon)*sin(lat)
425          elat_i(n,2) = -sin(lon)*sin(lat)
426          elat_i(n,3) = cos(lat)
427
428         
429          CALL xyz2lonlat(xyz_e(n+u_right,:),lon,lat)
430          lon_e(n+u_right)=lon
431          lat_e(n+u_right)=lat
432          elon_e(n+u_right,1) = -sin(lon)
433          elon_e(n+u_right,2) = cos(lon)
434          elon_e(n+u_right,3) = 0
435          elat_e(n+u_right,1) = -cos(lon)*sin(lat)
436          elat_e(n+u_right,2) = -sin(lon)*sin(lat)
437          elat_e(n+u_right,3) = cos(lat)
438         
439          CALL xyz2lonlat(xyz_e(n+u_lup,:),lon,lat)
440          lon_e(n+u_lup)=lon
441          lat_e(n+u_lup)=lat
442          elon_e(n+u_lup,1) = -sin(lon)
443          elon_e(n+u_lup,2) = cos(lon)
444          elon_e(n+u_lup,3) = 0
445          elat_e(n+u_lup,1) = -cos(lon)*sin(lat)
446          elat_e(n+u_lup,2) = -sin(lon)*sin(lat)
447          elat_e(n+u_lup,3) = cos(lat)
448 
449          CALL xyz2lonlat(xyz_e(n+u_ldown,:),lon,lat)
450          lon_e(n+u_ldown)=lon
451          lat_e(n+u_ldown)=lat
452          elon_e(n+u_ldown,1) = -sin(lon)
453          elon_e(n+u_ldown,2) = cos(lon)
454          elon_e(n+u_ldown,3) = 0
455          elat_e(n+u_ldown,1) = -cos(lon)*sin(lat)
456          elat_e(n+u_ldown,2) = -sin(lon)*sin(lat)
457          elat_e(n+u_ldown,3) = cos(lat)
458 
459         
460          DO k=0,5
461            CALL surf_triangle(xyz_i(n,:), xyz_v(n+z_pos(k+1),:), xyz_i(n+t_pos(k+1),:),S1)
462            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)
463            Riv(n,k+1)=0.5*(S1+S2)/Ai(n)
464            Riv2(n,k+1)=0.5*(S1+S2)/surf_v(k+1)
465          ENDDO
466
467          DO k=1,6
468            IF (ABS(surf_v(k))<1e-30) THEN
469              Riv(n,k)=0.
470            ENDIF
471          ENDDO
472         
473          Av(n+z_up)=surf_v(vup)+1e-100
474          Av(n+z_down)=surf_v(vdown)+1e-100
475       
476        ENDDO
477      ENDDO
478     
479      DO j=jj_begin,jj_end
480        DO i=ii_begin,ii_end
481          n=(j-1)*iim+i
482   
483          CALL compute_wee(n,right,w)
484          Wee(n+u_right,:,1)=w(1:5)
485
486          CALL compute_wee(n+t_right,left,w)
487          Wee(n+u_right,:,2)=w(1:5)
488
489
490          CALL compute_wee(n,lup,w)
491          Wee(n+u_lup,:,1)=w(1:5)
492
493          CALL compute_wee(n+t_lup,rdown,w)
494          Wee(n+u_lup,:,2)=w(1:5)
495
496
497          CALL compute_wee(n,ldown,w)
498          Wee(n+u_ldown,:,1)=w(1:5)
499
500          CALL compute_wee(n+t_ldown,rup,w)
501          Wee(n+u_ldown,:,2)=w(1:5)
502
503        ENDDO
504      ENDDO
505     
506      DO j=jj_begin,jj_end
507        DO i=ii_begin,ii_end
508          n=(j-1)*iim+i
509          ii_glo=d%ii_begin_glo-d%ii_begin+i
510          jj_glo=d%jj_begin_glo-d%jj_begin+j
511         
512          IF (ii_glo==1 .AND. jj_glo==1) THEN
513            le(n+u_ldown)=0
514            xyz_v(n+z_ldown,:)=xyz_v(n+z_down,:)
515                       
516          ENDIF
517
518          IF (ii_glo==iim_glo .AND. jj_glo==1) THEN
519            le(n+u_right)=0
520            xyz_v(n+z_rdown,:)=xyz_v(n+z_rup,:)
521          ENDIF
522
523          IF (ii_glo==iim_glo .AND. jj_glo==jjm_glo) THEN
524            le(n+u_rup)=0
525            xyz_v(n+z_rup,:)=xyz_v(n+z_up,:)
526          ENDIF
527
528          IF (ii_glo==1 .AND. jj_glo==jjm_glo) THEN
529            le(n+u_lup)=0
530            xyz_v(n+z_up,:)=xyz_v(n+z_lup,:)
531          ENDIF
532         
533        ENDDO
534      ENDDO
535
536      DO j=jj_begin-1,jj_end+1
537        DO i=ii_begin-1,ii_end+1
538          n=(j-1)*iim+i
539          xyz_i(n,:)=xyz_i(n,:) * radius
540          xyz_v(n+z_up,:)=xyz_v(n+z_up,:) * radius
541          xyz_v(n+z_down,:)=xyz_v(n+z_down,:) *radius
542          de(n+u_right)=de(n+u_right) * radius
543          de(n+u_lup)=de(n+u_lup)*radius
544          de(n+u_ldown)=de(n+u_ldown)*radius
545          xyz_e(n+u_right,:)=xyz_e(n+u_right,:)*radius
546          xyz_e(n+u_lup,:)=xyz_e(n+u_lup,:)*radius
547          xyz_e(n+u_ldown,:)=xyz_e(n+u_ldown,:)*radius
548          le(n+u_right)=le(n+u_right)*radius
549          le(n+u_lup)=le(n+u_lup)*radius
550          le(n+u_ldown)=le(n+u_ldown)*radius
551          Ai(n)=Ai(n)*radius**2
552          Av(n+z_up)=Av(n+z_up)*radius**2
553          Av(n+z_down)=Av(n+z_down)*radius**2
554        ENDDO
555      ENDDO
556                 
557    ENDDO
558
559    CALL transfert_request(geom%Ai,req_i1)
560    CALL transfert_request(geom%centroid,req_i1)
561
562!    CALL surf_triangle(d%xyz(:,ii_begin,jj_begin),d%xyz(:,ii_begin,jj_end),d%xyz(:,ii_end,jj_begin),S)
563 
564  END SUBROUTINE set_geometry
565 
566  SUBROUTINE compute_wee(n,pos,w)
567  IMPLICIT NONE
568    INTEGER,INTENT(IN) :: n
569    INTEGER,INTENT(IN) :: pos
570    REAL(rstd),INTENT(OUT) ::w(6)
571
572    REAL(rstd) :: ne_(0:5)
573    REAL(rstd) :: Riv_(6)
574    INTEGER    :: k
575   
576   
577    DO k=0,5
578      ne_(k)=ne(n,MOD(pos-1+k+6,6)+1) 
579      Riv_(k+1)=Riv(n,MOD(pos-1+k+6,6)+1)
580    ENDDO
581         
582    w(1)=-ne_(0)*ne_(1)*(Riv_(1)-0.5)
583    w(2)=-ne_(2)*(ne_(0)*Riv_(2)-w(1)*ne_(1))
584    w(3)=-ne_(3)*(ne_(0)*Riv_(3)-w(2)*ne_(2))
585    w(4)=-ne_(4)*(ne_(0)*Riv_(4)-w(3)*ne_(3))
586    w(5)=-ne_(5)*(ne_(0)*Riv_(5)-w(4)*ne_(4))
587    w(6)=ne_(0)*ne_(5)*(Riv_(6)-0.5)
588   
589!    IF ( ABS(w(5)-w(6))>1e-20) PRINT *, "pb pour wee : w(5)!=w(6)",sum(Riv_(:))
590
591   END SUBROUTINE compute_wee
592           
593
594 
595  SUBROUTINE compute_geometry
596  IMPLICIT NONE
597    CALL allocate_geometry
598    CALL set_geometry
599   
600  END SUBROUTINE compute_geometry
601 
602END MODULE geometry
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