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! |
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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/divgrad2.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $ |
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! |
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SUBROUTINE divgrad2 ( klevel, h, deltapres, lh, divgra ) |
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c |
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c P. Le Van |
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c |
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c *************************************************************** |
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c |
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c ..... calcul de (div( grad )) de ( pext * h ) ..... |
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c **************************************************************** |
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c h ,klevel,lh et pext sont des arguments d'entree pour le s-prg |
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c divgra est un argument de sortie pour le s-prg |
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c |
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use dimens_m |
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use paramet_m |
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use comgeom |
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IMPLICIT NONE |
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c |
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include "comdissipn.h" |
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|
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c ....... variables en arguments ....... |
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c |
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INTEGER klevel |
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REAL h( ip1jmp1,klevel ), deltapres( ip1jmp1,klevel ) |
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REAL divgra( ip1jmp1,klevel) |
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c |
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c ....... variables locales .......... |
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c |
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REAL signe, nudivgrs, sqrtps( ip1jmp1,llm ) |
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INTEGER l,ij,iter,lh |
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c ................................................................... |
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|
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c |
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signe = (-1.)**lh |
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nudivgrs = signe * cdivh |
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CALL SCOPY ( ip1jmp1 * klevel, h, 1, divgra, 1 ) |
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c |
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CALL laplacien( klevel, divgra, divgra ) |
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DO l = 1, klevel |
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DO ij = 1, ip1jmp1 |
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sqrtps( ij,l ) = SQRT( deltapres(ij,l) ) |
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ENDDO |
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ENDDO |
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c |
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DO l = 1, klevel |
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DO ij = 1, ip1jmp1 |
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divgra(ij,l) = divgra(ij,l) * sqrtps(ij,l) |
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ENDDO |
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ENDDO |
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|
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c ........ Iteration de l'operateur laplacien_gam ........ |
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c |
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DO iter = 1, lh - 2 |
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CALL laplacien_gam ( klevel,cuvscvgam2,cvuscugam2,unsair_gam2, |
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* unsapolnga2, unsapolsga2, divgra, divgra ) |
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ENDDO |
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c |
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c ............................................................... |
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|
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DO l = 1, klevel |
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DO ij = 1, ip1jmp1 |
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divgra(ij,l) = divgra(ij,l) * sqrtps(ij,l) |
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ENDDO |
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ENDDO |
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c |
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CALL laplacien ( klevel, divgra, divgra ) |
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c |
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DO l = 1,klevel |
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DO ij = 1,ip1jmp1 |
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divgra(ij,l) = nudivgrs * divgra(ij,l) / deltapres(ij,l) |
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ENDDO |
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ENDDO |
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|
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RETURN |
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END |
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