1 |
! |
2 |
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/divgrad2.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $ |
3 |
! |
4 |
SUBROUTINE divgrad2 ( klevel, h, deltapres, lh, divgra ) |
5 |
c |
6 |
c P. Le Van |
7 |
c |
8 |
c *************************************************************** |
9 |
c |
10 |
c ..... calcul de (div( grad )) de ( pext * h ) ..... |
11 |
c **************************************************************** |
12 |
c h ,klevel,lh et pext sont des arguments d'entree pour le s-prg |
13 |
c divgra est un argument de sortie pour le s-prg |
14 |
c |
15 |
use dimens_m |
16 |
use paramet_m |
17 |
use comgeom |
18 |
IMPLICIT NONE |
19 |
c |
20 |
include "comdissipn.h" |
21 |
|
22 |
c ....... variables en arguments ....... |
23 |
c |
24 |
INTEGER klevel |
25 |
REAL h( ip1jmp1,klevel ), deltapres( ip1jmp1,klevel ) |
26 |
REAL divgra( ip1jmp1,klevel) |
27 |
c |
28 |
c ....... variables locales .......... |
29 |
c |
30 |
REAL signe, nudivgrs, sqrtps( ip1jmp1,llm ) |
31 |
INTEGER l,ij,iter,lh |
32 |
c ................................................................... |
33 |
|
34 |
c |
35 |
signe = (-1.)**lh |
36 |
nudivgrs = signe * cdivh |
37 |
|
38 |
CALL SCOPY ( ip1jmp1 * klevel, h, 1, divgra, 1 ) |
39 |
|
40 |
c |
41 |
CALL laplacien( klevel, divgra, divgra ) |
42 |
|
43 |
DO l = 1, klevel |
44 |
DO ij = 1, ip1jmp1 |
45 |
sqrtps( ij,l ) = SQRT( deltapres(ij,l) ) |
46 |
ENDDO |
47 |
ENDDO |
48 |
c |
49 |
DO l = 1, klevel |
50 |
DO ij = 1, ip1jmp1 |
51 |
divgra(ij,l) = divgra(ij,l) * sqrtps(ij,l) |
52 |
ENDDO |
53 |
ENDDO |
54 |
|
55 |
c ........ Iteration de l'operateur laplacien_gam ........ |
56 |
c |
57 |
DO iter = 1, lh - 2 |
58 |
CALL laplacien_gam ( klevel,cuvscvgam2,cvuscugam2,unsair_gam2, |
59 |
* unsapolnga2, unsapolsga2, divgra, divgra ) |
60 |
ENDDO |
61 |
c |
62 |
c ............................................................... |
63 |
|
64 |
DO l = 1, klevel |
65 |
DO ij = 1, ip1jmp1 |
66 |
divgra(ij,l) = divgra(ij,l) * sqrtps(ij,l) |
67 |
ENDDO |
68 |
ENDDO |
69 |
c |
70 |
CALL laplacien ( klevel, divgra, divgra ) |
71 |
c |
72 |
DO l = 1,klevel |
73 |
DO ij = 1,ip1jmp1 |
74 |
divgra(ij,l) = nudivgrs * divgra(ij,l) / deltapres(ij,l) |
75 |
ENDDO |
76 |
ENDDO |
77 |
|
78 |
RETURN |
79 |
END |