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guez |
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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/dissip.F,v 1.1.1.1 2004/05/19 12:53:05 lmdzadmin Exp $ |
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SUBROUTINE dissip( vcov,ucov,teta,p, dv,du,dh ) |
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c |
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use dimens_m |
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use paramet_m |
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use comconst |
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use comdissnew |
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use comgeom |
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IMPLICIT NONE |
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c .. Avec nouveaux operateurs star : gradiv2 , divgrad2, nxgraro2 ... |
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c ( 10/01/98 ) |
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c======================================================================= |
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c |
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c Auteur: P. Le Van |
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c ------- |
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c |
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c Objet: |
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c ------ |
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c |
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c Dissipation horizontale |
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c |
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c======================================================================= |
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c----------------------------------------------------------------------- |
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c Declarations: |
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c ------------- |
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include "comdissipn.h" |
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c Arguments: |
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c ---------- |
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REAL vcov(ip1jm,llm),ucov(ip1jmp1,llm),teta(ip1jmp1,llm) |
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REAL p( ip1jmp1,llmp1 ) |
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REAL dv(ip1jm,llm),du(ip1jmp1,llm),dh(ip1jmp1,llm) |
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c Local: |
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c ------ |
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REAL gdx(ip1jmp1,llm),gdy(ip1jm,llm) |
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REAL grx(ip1jmp1,llm),gry(ip1jm,llm) |
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REAL te1dt(llm),te2dt(llm),te3dt(llm) |
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REAL deltapres(ip1jmp1,llm) |
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INTEGER l,ij |
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REAL SSUM |
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c----------------------------------------------------------------------- |
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c initialisations: |
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c ---------------- |
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DO l=1,llm |
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te1dt(l) = tetaudiv(l) * dtdiss |
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te2dt(l) = tetaurot(l) * dtdiss |
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te3dt(l) = tetah(l) * dtdiss |
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ENDDO |
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du=0. |
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dv=0. |
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dh=0. |
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c----------------------------------------------------------------------- |
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c Calcul de la dissipation: |
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c ------------------------- |
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c Calcul de la partie grad ( div ) : |
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c ------------------------------------- |
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IF(lstardis) THEN |
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CALL gradiv2( llm,ucov,vcov,nitergdiv,gdx,gdy ) |
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ELSE |
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CALL gradiv ( llm,ucov,vcov,nitergdiv,gdx,gdy ) |
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ENDIF |
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DO l=1,llm |
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DO ij = 1, iip1 |
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gdx( ij ,l) = 0. |
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gdx(ij+ip1jm,l) = 0. |
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ENDDO |
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DO ij = iip2,ip1jm |
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du(ij,l) = du(ij,l) - te1dt(l) *gdx(ij,l) |
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ENDDO |
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DO ij = 1,ip1jm |
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dv(ij,l) = dv(ij,l) - te1dt(l) *gdy(ij,l) |
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ENDDO |
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ENDDO |
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c calcul de la partie n X grad ( rot ): |
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c --------------------------------------- |
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IF(lstardis) THEN |
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CALL nxgraro2( llm,ucov, vcov, nitergrot,grx,gry ) |
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ELSE |
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CALL nxgrarot( llm,ucov, vcov, nitergrot,grx,gry ) |
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ENDIF |
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DO l=1,llm |
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DO ij = 1, iip1 |
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grx(ij,l) = 0. |
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ENDDO |
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DO ij = iip2,ip1jm |
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du(ij,l) = du(ij,l) - te2dt(l) * grx(ij,l) |
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ENDDO |
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DO ij = 1, ip1jm |
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dv(ij,l) = dv(ij,l) - te2dt(l) * gry(ij,l) |
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ENDDO |
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ENDDO |
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c calcul de la partie div ( grad ): |
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c ----------------------------------- |
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IF(lstardis) THEN |
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DO l = 1, llm |
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DO ij = 1, ip1jmp1 |
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deltapres(ij,l) = AMAX1( 0., p(ij,l) - p(ij,l+1) ) |
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ENDDO |
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ENDDO |
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CALL divgrad2( llm,teta, deltapres ,niterh, gdx ) |
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ELSE |
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CALL divgrad ( llm,teta, niterh, gdx ) |
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ENDIF |
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DO l = 1,llm |
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DO ij = 1,ip1jmp1 |
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dh( ij,l ) = dh( ij,l ) - te3dt(l) * gdx( ij,l ) |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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