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! |
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! $Header$ |
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! |
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SUBROUTINE divergst(klevel,x,y,div) |
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IMPLICIT NONE |
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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 ... calcule la divergence a tous les niveaux d'1 vecteur de compos. x et y... |
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c x et y etant des composantes contravariantes ... |
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c **************************************************************** |
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c x et y sont des arguments d'entree pour le s-prog |
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c div est un argument de sortie pour le s-prog |
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c |
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c |
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c ------------------------------------------------------------------- |
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c |
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!----------------------------------------------------------------------- |
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! INCLUDE 'dimensions.h' |
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! |
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! dimensions.h contient les dimensions du modele |
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! ndm est tel que iim=2**ndm |
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!----------------------------------------------------------------------- |
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INTEGER iim,jjm,llm,ndm |
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PARAMETER (iim= 32,jjm=32,llm=39,ndm=1) |
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!----------------------------------------------------------------------- |
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! |
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! $Header$ |
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! |
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! |
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! ATTENTION!!!!: ce fichier include est compatible format fixe/format libre |
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! veillez n'utiliser que des ! pour les commentaires |
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! et bien positionner les & des lignes de continuation |
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! (les placer en colonne 6 et en colonne 73) |
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! |
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! |
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!----------------------------------------------------------------------- |
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! INCLUDE 'paramet.h' |
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INTEGER iip1,iip2,iip3,jjp1,llmp1,llmp2,llmm1 |
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INTEGER kftd,ip1jm,ip1jmp1,ip1jmi1,ijp1llm |
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INTEGER ijmllm,mvar |
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INTEGER jcfil,jcfllm |
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PARAMETER( iip1= iim+1,iip2=iim+2,iip3=iim+3 & |
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& ,jjp1=jjm+1-1/jjm) |
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PARAMETER( llmp1 = llm+1, llmp2 = llm+2, llmm1 = llm-1 ) |
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PARAMETER( kftd = iim/2 -ndm ) |
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PARAMETER( ip1jm = iip1*jjm, ip1jmp1= iip1*jjp1 ) |
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PARAMETER( ip1jmi1= ip1jm - iip1 ) |
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PARAMETER( ijp1llm= ip1jmp1 * llm, ijmllm= ip1jm * llm ) |
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PARAMETER( mvar= ip1jmp1*( 2*llm+1) + ijmllm ) |
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PARAMETER( jcfil=jjm/2+5, jcfllm=jcfil*llm ) |
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!----------------------------------------------------------------------- |
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! |
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! $Header$ |
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! |
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!CDK comgeom |
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COMMON/comgeom/ & |
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& cu(ip1jmp1),cv(ip1jm),unscu2(ip1jmp1),unscv2(ip1jm), & |
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& aire(ip1jmp1),airesurg(ip1jmp1),aireu(ip1jmp1), & |
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& airev(ip1jm),unsaire(ip1jmp1),apoln,apols, & |
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& unsairez(ip1jm),airuscv2(ip1jm),airvscu2(ip1jm), & |
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& aireij1(ip1jmp1),aireij2(ip1jmp1),aireij3(ip1jmp1), & |
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& aireij4(ip1jmp1),alpha1(ip1jmp1),alpha2(ip1jmp1), & |
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& alpha3(ip1jmp1),alpha4(ip1jmp1),alpha1p2(ip1jmp1), & |
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& alpha1p4(ip1jmp1),alpha2p3(ip1jmp1),alpha3p4(ip1jmp1), & |
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& fext(ip1jm),constang(ip1jmp1),rlatu(jjp1),rlatv(jjm), & |
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& rlonu(iip1),rlonv(iip1),cuvsurcv(ip1jm),cvsurcuv(ip1jm), & |
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& cvusurcu(ip1jmp1),cusurcvu(ip1jmp1),cuvscvgam1(ip1jm), & |
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& cuvscvgam2(ip1jm),cvuscugam1(ip1jmp1), & |
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& cvuscugam2(ip1jmp1),cvscuvgam(ip1jm),cuscvugam(ip1jmp1), & |
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& unsapolnga1,unsapolnga2,unsapolsga1,unsapolsga2, & |
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& unsair_gam1(ip1jmp1),unsair_gam2(ip1jmp1),unsairz_gam(ip1jm), & |
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& aivscu2gam(ip1jm),aiuscv2gam(ip1jm),xprimu(iip1),xprimv(iip1) |
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! |
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REAL & |
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& cu,cv,unscu2,unscv2,aire,airesurg,aireu,airev,unsaire,apoln ,& |
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& apols,unsairez,airuscv2,airvscu2,aireij1,aireij2,aireij3,aireij4,& |
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& alpha1,alpha2,alpha3,alpha4,alpha1p2,alpha1p4,alpha2p3,alpha3p4 ,& |
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& fext,constang,rlatu,rlatv,rlonu,rlonv,cuvscvgam1,cuvscvgam2 ,& |
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& cvuscugam1,cvuscugam2,cvscuvgam,cuscvugam,unsapolnga1,unsapolnga2& |
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& ,unsapolsga1,unsapolsga2,unsair_gam1,unsair_gam2,unsairz_gam ,& |
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& aivscu2gam ,aiuscv2gam,cuvsurcv,cvsurcuv,cvusurcu,cusurcvu,xprimu& |
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& , xprimv |
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! |
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INTEGER klevel |
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REAL x( ip1jmp1,klevel ),y( ip1jm,klevel ),div( ip1jmp1,klevel ) |
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INTEGER ij,l,i |
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REAL aiy1( iip1 ) , aiy2( iip1 ) |
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REAL sumypn,sumyps |
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REAL SSUM |
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c |
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c |
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DO 10 l = 1,klevel |
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c |
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DO 1 ij = iip2, ip1jm - 1 |
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div( ij + 1, l ) = x(ij+1,l) - x(ij,l)+ y(ij-iim,l)-y(ij+1,l) |
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1 CONTINUE |
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c |
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c .... correction pour div( 1,j,l) ...... |
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c .... div(1,j,l)= div(iip1,j,l) .... |
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c |
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CDIR$ IVDEP |
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DO 3 ij = iip2,ip1jm,iip1 |
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div( ij,l ) = div( ij + iim,l ) |
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3 CONTINUE |
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c |
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c .... calcul aux poles ..... |
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c |
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c |
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DO 5 i = 1,iim |
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aiy1(i)= y(i,l) |
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aiy2(i)= y(i+ip1jmi1,l) |
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5 CONTINUE |
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sumypn = SSUM ( iim,aiy1,1 ) |
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sumyps = SSUM ( iim,aiy2,1 ) |
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DO 7 i = 1,iip1 |
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div( i , l ) = - sumypn/iim |
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div( i + ip1jm, l ) = sumyps/iim |
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7 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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