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! |
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! $Header$ |
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! |
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SUBROUTINE gradiv(klevel, xcov, ycov, ld, gdx, gdy ) |
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c Auteur : P. Le Van |
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c *************************************************************** |
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c |
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c ld |
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c calcul de (grad (div) ) du vect. v .... |
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c |
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c xcov et ycov etant les composant.covariantes de v |
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c **************************************************************** |
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c xcov , ycov et ld sont des arguments d'entree pour le s-prog |
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c gdx et gdy sont des arguments de sortie pour le s-prog |
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IMPLICIT NONE |
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c |
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include "dimensions.h" |
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include "paramet.h" |
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include "comdissipn.h" |
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INTEGER klevel |
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REAL xcov( ip1jmp1,klevel ), ycov( ip1jm,klevel ) |
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REAL gdx( ip1jmp1,klevel ), gdy( ip1jm,klevel ) |
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REAL div(ip1jmp1,llm) |
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INTEGER l,ij,iter,ld |
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c |
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CALL SCOPY( ip1jmp1*klevel,xcov,1,gdx,1 ) |
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CALL SCOPY( ip1jm*klevel, ycov,1,gdy,1 ) |
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c |
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DO 10 iter = 1,ld |
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c |
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CALL diverg( klevel, gdx , gdy, div ) |
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CALL filtreg( div, jjp1, klevel, 2,1, .true.,2 ) |
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CALL grad( klevel, div, gdx, gdy ) |
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DO 5 l = 1, klevel |
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DO 3 ij = 1, ip1jmp1 |
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gdx( ij,l ) = - gdx( ij,l ) * cdivu |
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3 CONTINUE |
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DO 4 ij = 1, ip1jm |
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gdy( ij,l ) = - gdy( ij,l ) * cdivu |
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4 CONTINUE |
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5 CONTINUE |
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c |
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10 CONTINUE |
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RETURN |
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END |
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