/[lmdze]/trunk/libf/dyn3d/Dissipation/divgrad.f
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Contents of /trunk/libf/dyn3d/Dissipation/divgrad.f

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Revision 60 - (show annotations)
Mon Jan 30 14:37:26 2012 UTC (12 years, 5 months ago) by guez
File size: 1454 byte(s)
Useless copies into "gdx" and "gdy" in "gradiv2".

1 !
2 ! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/divgrad.F,v 1.1.1.1 2004/05/19 12:53:05 lmdzadmin Exp $
3 !
4 SUBROUTINE divgrad (klevel,h, lh, divgra, cdivh )
5 use grad_m, only: grad
6 use dimens_m
7 use paramet_m
8 use conf_gcm_m
9 use comgeom
10 use filtreg_m, only: filtreg
11 IMPLICIT NONE
12 c
13 c=======================================================================
14 c
15 c Auteur : P. Le Van
16 c ----------
17 c
18 c lh
19 c calcul de (div( grad )) de h .....
20 c h et lh sont des arguments d'entree pour le s-prog
21 c divgra est un argument de sortie pour le s-prog
22 c
23 c=======================================================================
24 c
25 c declarations:
26 c -------------
27 c
28 c
29 INTEGER klevel
30 REAL, intent(in):: h( ip1jmp1,klevel )
31 real, intent(out):: divgra( ip1jmp1,klevel )
32 real, intent(in):: cdivh
33 c
34 REAL ghy(ip1jm,llm), ghx(ip1jmp1,llm)
35
36 INTEGER l,ij,iter
37 integer, intent(in):: lh
38 c
39 c
40 c
41 divgra = h
42 c
43 DO 10 iter = 1,lh
44
45 CALL filtreg ( divgra,jjp1,klevel,2,1,.true.,1 )
46
47 CALL grad (klevel,divgra, ghx , ghy )
48 CALL diverg (klevel, ghx , ghy , divgra )
49
50 CALL filtreg ( divgra,jjp1,klevel,2,1,.true.,1)
51
52 DO 5 l = 1,klevel
53 DO 4 ij = 1, ip1jmp1
54 divgra( ij,l ) = - cdivh * divgra( ij,l )
55 4 CONTINUE
56 5 CONTINUE
57 c
58 10 CONTINUE
59 RETURN
60 END

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