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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/prather.F,v 1.1.1.1 2004/05/19 12:53:07 lmdzadmin Exp $ |
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SUBROUTINE prather (q,w,masse,pbaru,pbarv,nt,dt) |
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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 disvert_m |
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use comgeom |
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USE nr_util, ONLY : pi |
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IMPLICIT NONE |
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c======================================================================= |
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c Adaptation LMDZ: A.Armengaud (LGGE) |
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c ---------------- |
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c |
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c ************************************************ |
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c Transport des traceurs par la methode de prather |
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c Ref : |
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c |
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c ************************************************ |
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c q,w,pext,pbaru et pbarv : arguments d'entree pour le s-pg |
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c |
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c======================================================================= |
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c Arguments: |
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c ---------- |
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INTEGER iq,nt |
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REAL, intent(in):: pbaru( ip1jmp1,llm ),pbarv( ip1jm,llm ) |
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REAL masse(iip1,jjp1,llm) |
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REAL q( iip1,jjp1,llm,0:9) |
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REAL w( ip1jmp1,llm ) |
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integer ordre,ilim |
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c Local: |
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c ------ |
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LOGICAL limit |
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real zq(iip1,jjp1,llm) |
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REAL sm ( iip1,jjp1, llm ) |
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REAL s0( iip1,jjp1,llm ), sx( iip1,jjp1,llm ) |
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REAL sy( iip1,jjp1,llm ), sz( iip1,jjp1,llm ) |
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REAL sxx( iip1,jjp1,llm) |
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REAL sxy( iip1,jjp1,llm) |
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REAL sxz( iip1,jjp1,llm) |
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REAL syy( iip1,jjp1,llm ) |
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REAL syz( iip1,jjp1,llm ) |
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REAL szz( iip1,jjp1,llm ),zz |
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INTEGER i,j,l,indice |
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real sxn(iip1),sxs(iip1) |
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real sinlon(iip1),sinlondlon(iip1) |
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real coslon(iip1),coslondlon(iip1) |
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real qmin,qmax |
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save qmin,qmax |
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save sinlon,coslon,sinlondlon,coslondlon |
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real dyn1,dyn2,dys1,dys2,qpn,qps,dqzpn,dqzps |
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real masn,mass |
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c |
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REAL SSUM |
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integer ismax,ismin |
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EXTERNAL SSUM, convflu,ismin,ismax |
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logical first |
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save first |
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EXTERNAL advxp,advyp,advzp |
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data first/.true./ |
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data qmin,qmax/-1.e33,1.e33/ |
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c========================================================================== |
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c========================================================================== |
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c MODIFICATION POUR PAS DE TEMPS ADAPTATIF, dtvr remplace par dt |
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c========================================================================== |
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c========================================================================== |
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REAL dt |
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c========================================================================== |
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limit = .TRUE. |
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if(first) then |
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print*,'SCHEMA PRATHER' |
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first=.false. |
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do i=2,iip1 |
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coslon(i)=cos(rlonv(i)) |
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sinlon(i)=sin(rlonv(i)) |
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coslondlon(i)=coslon(i)*(rlonu(i)-rlonu(i-1))/pi |
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sinlondlon(i)=sinlon(i)*(rlonu(i)-rlonu(i-1))/pi |
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enddo |
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coslon(1)=coslon(iip1) |
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coslondlon(1)=coslondlon(iip1) |
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sinlon(1)=sinlon(iip1) |
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sinlondlon(1)=sinlondlon(iip1) |
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DO l = 1,llm |
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DO j = 1,jjp1 |
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DO i = 1,iip1 |
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q( i,j,l,1 )=0. |
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q( i,j,l,2)=0. |
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q( i,j,l,3)=0. |
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q( i,j,l,4)=0. |
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q( i,j,l,5)=0. |
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q( i,j,l,6)=0. |
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q( i,j,l,7)=0. |
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q( i,j,l,8)=0. |
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q( i,j,l,9)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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endif |
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c Fin modif Fred |
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c *** On calcule la masse d'air en kg |
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DO l = 1,llm |
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DO j = 1,jjp1 |
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DO i = 1,iip1 |
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sm( i,j,llm+1-l ) =masse(i,j,l) |
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ENDDO |
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ENDDO |
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ENDDO |
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c *** q contient les qqtes de traceur avant l'advection |
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c *** Affectation des tableaux S a partir de Q |
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DO l = 1,llm |
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DO j = 1,jjp1 |
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DO i = 1,iip1 |
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s0( i,j,l) = q ( i,j,llm+1-l,0 )*sm(i,j,l) |
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sx( i,j,l) = q( i,j,llm+1-l,1 )*sm(i,j,l) |
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sy( i,j,l) = q( i,j,llm+1-l,2)*sm(i,j,l) |
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sz( i,j,l) = q( i,j,llm+1-l,3)*sm(i,j,l) |
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sxx( i,j,l) = q( i,j,llm+1-l,4)*sm(i,j,l) |
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sxy( i,j,l) = q( i,j,llm+1-l,5)*sm(i,j,l) |
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sxz( i,j,l) = q( i,j,llm+1-l,6)*sm(i,j,l) |
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syy( i,j,l) = q( i,j,llm+1-l,7)*sm(i,j,l) |
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syz( i,j,l) = q( i,j,llm+1-l,8)*sm(i,j,l) |
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szz( i,j,l) = q( i,j,llm+1-l,9)*sm(i,j,l) |
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ENDDO |
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ENDDO |
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ENDDO |
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c *** Appel des subroutines d'advection en X, en Y et en Z |
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c *** Advection avec "time-splitting" |
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c----------------------------------------------------------- |
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do indice =1,nt |
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call advxp( limit,0.5*dt,pbaru,sm,s0,sx,sy,sz |
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. ,sxx,sxy,sxz,syy,syz,szz,1 ) |
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end do |
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do l=1,llm |
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do i=1,iip1 |
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sy(i,1,l)=0. |
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sy(i,jjp1,l)=0. |
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enddo |
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enddo |
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c--------------------------------------------------------- |
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call advyp( limit,.5*dt*nt,pbarv,sm,s0,sx,sy,sz |
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. ,sxx,sxy,sxz,syy,syz,szz,1 ) |
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c--------------------------------------------------------- |
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c--------------------------------------------------------- |
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do j=1,jjp1 |
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do i=1,iip1 |
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sz(i,j,1)=0. |
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sz(i,j,llm)=0. |
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sxz(i,j,1)=0. |
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sxz(i,j,llm)=0. |
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syz(i,j,1)=0. |
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syz(i,j,llm)=0. |
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szz(i,j,1)=0. |
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szz(i,j,llm)=0. |
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enddo |
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enddo |
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call advzp( limit,dt*nt,w,sm,s0,sx,sy,sz |
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. ,sxx,sxy,sxz,syy,syz,szz,1 ) |
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do l=1,llm |
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do i=1,iip1 |
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sy(i,1,l)=0. |
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sy(i,jjp1,l)=0. |
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enddo |
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enddo |
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c--------------------------------------------------------- |
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c--------------------------------------------------------- |
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call advyp( limit,.5*dt*nt,pbarv,sm,s0,sx,sy,sz |
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. ,sxx,sxy,sxz,syy,syz,szz,1 ) |
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c--------------------------------------------------------- |
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DO l = 1,llm |
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DO j = 1,jjp1 |
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s0( iip1,j,l)=s0( 1,j,l ) |
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sx( iip1,j,l)=sx( 1,j,l ) |
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sy( iip1,j,l)=sy( 1,j,l ) |
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sz( iip1,j,l)=sz( 1,j,l ) |
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sxx( iip1,j,l)=sxx( 1,j,l ) |
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sxy( iip1,j,l)=sxy( 1,j,l) |
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sxz( iip1,j,l)=sxz( 1,j,l ) |
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syy( iip1,j,l)=syy( 1,j,l ) |
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syz( iip1,j,l)=syz( 1,j,l) |
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szz( iip1,j,l)=szz( 1,j,l ) |
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ENDDO |
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ENDDO |
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do indice=1,nt |
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call advxp( limit,0.5*dt,pbaru,sm,s0,sx,sy,sz |
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. ,sxx,sxy,sxz,syy,syz,szz,1 ) |
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end do |
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c--------------------------------------------------------- |
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c--------------------------------------------------------- |
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c *** On repasse les S dans la variable qpr |
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c *** On repasse les S dans la variable q directement 14/10/94 |
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DO l = 1,llm |
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DO j = 1,jjp1 |
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DO i = 1,iip1 |
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q( i,j,llm+1-l,0 )=s0( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,1 ) = sx( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,2 ) = sy( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,3 ) = sz( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,4 ) = sxx( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,5 ) = sxy( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,6 ) = sxz( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,7 ) = syy( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,8 ) = syz( i,j,l )/sm(i,j,l) |
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q( i,j,llm+1-l,9 ) = szz( i,j,l )/sm(i,j,l) |
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ENDDO |
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ENDDO |
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ENDDO |
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c--------------------------------------------------------- |
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c go to 777 |
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c filtrages aux poles |
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c Traitements specifiques au pole |
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c filtrages aux poles |
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DO l=1,llm |
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c filtrages aux poles |
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masn=ssum(iim,sm(1,1,l),1) |
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mass=ssum(iim,sm(1,jjp1,l),1) |
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qpn=ssum(iim,s0(1,1,l),1)/masn |
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qps=ssum(iim,s0(1,jjp1,l),1)/mass |
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dqzpn=ssum(iim,sz(1,1,l),1)/masn |
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dqzps=ssum(iim,sz(1,jjp1,l),1)/mass |
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do i=1,iip1 |
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q( i,1,llm+1-l,3)=dqzpn |
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q( i,jjp1,llm+1-l,3)=dqzps |
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q( i,1,llm+1-l,0)=qpn |
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q( i,jjp1,llm+1-l,0)=qps |
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enddo |
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dyn1=0. |
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dys1=0. |
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dyn2=0. |
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dys2=0. |
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do i=1,iim |
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zz=s0(i,2,l)/sm(i,2,l)-q(i,1,llm+1-l,0) |
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dyn1=dyn1+sinlondlon(i)*zz |
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dyn2=dyn2+coslondlon(i)*zz |
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zz=q(i,jjp1,llm+1-l,0)-s0(i,jjm,l)/sm(i,jjm,l) |
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dys1=dys1+sinlondlon(i)*zz |
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dys2=dys2+coslondlon(i)*zz |
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enddo |
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do i=1,iim |
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q(i,1,llm+1-l,2)= |
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$ (sinlon(i)*dyn1+coslon(i)*dyn2)/2. |
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q(i,1,llm+1-l,0)=q(i,1,llm+1-l,0) |
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$ +q(i,1,llm+1-l,2) |
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q(i,jjp1,llm+1-l,2)= |
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$ (sinlon(i)*dys1+coslon(i)*dys2)/2. |
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q(i,jjp1,llm+1-l,0)=q(i,jjp1,llm+1-l,0) |
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$ -q(i,jjp1,llm+1-l,2) |
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enddo |
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q(iip1,1,llm+1-l,0)=q(1,1,llm+1-l,0) |
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q(iip1,jjp1,llm+1-l,0)=q(1,jjp1,llm+1-l,0) |
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do i=1,iim |
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sxn(i)=q(i+1,1,llm+1-l,0)-q(i,1,llm+1-l,0) |
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sxs(i)=q(i+1,jjp1,llm+1-l,0)-q(i,jjp1,llm+1-l,0) |
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enddo |
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sxn(iip1)=sxn(1) |
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sxs(iip1)=sxs(1) |
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do i=1,iim |
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q(i+1,1,llm+1-l,1)=0.25*(sxn(i)+sxn(i+1)) |
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q(i+1,jjp1,llm+1-l,1)=0.25*(sxs(i)+sxs(i+1)) |
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END DO |
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q(1,1,llm+1-l,1)=q(iip1,1,llm+1-l,1) |
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q(1,jjp1,llm+1-l,1)= |
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$ q(iip1,jjp1,llm+1-l,1) |
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enddo |
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do l=1,llm |
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do i=1,iim |
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q( i,1,llm+1-l,4)=0. |
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q( i,jjp1,llm+1-l,4)=0. |
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q( i,1,llm+1-l,5)=0. |
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q( i,jjp1,llm+1-l,5)=0. |
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q( i,1,llm+1-l,6)=0. |
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q( i,jjp1,llm+1-l,6)=0. |
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q( i,1,llm+1-l,7)=0. |
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q( i,jjp1,llm+1-l,7)=0. |
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q( i,1,llm+1-l,8)=0. |
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q( i,jjp1,llm+1-l,8)=0. |
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q( i,1,llm+1-l,9)=0. |
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q( i,jjp1,llm+1-l,9)=0. |
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enddo |
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ENDDO |
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777 continue |
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c |
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c bouclage en longitude |
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do l=1,llm |
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do j=1,jjp1 |
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q(iip1,j,l,0)=q(1,j,l,0) |
| 313 |
|
|
q(iip1,j,llm+1-l,0)=q(1,j,llm+1-l,0) |
| 314 |
|
|
q(iip1,j,llm+1-l,1)=q(1,j,llm+1-l,1) |
| 315 |
|
|
q(iip1,j,llm+1-l,2)=q(1,j,llm+1-l,2) |
| 316 |
|
|
q(iip1,j,llm+1-l,3)=q(1,j,llm+1-l,3) |
| 317 |
|
|
q(iip1,j,llm+1-l,4)=q(1,j,llm+1-l,4) |
| 318 |
|
|
q(iip1,j,llm+1-l,5)=q(1,j,llm+1-l,5) |
| 319 |
|
|
q(iip1,j,llm+1-l,6)=q(1,j,llm+1-l,6) |
| 320 |
|
|
q(iip1,j,llm+1-l,7)=q(1,j,llm+1-l,7) |
| 321 |
|
|
q(iip1,j,llm+1-l,8)=q(1,j,llm+1-l,8) |
| 322 |
|
|
q(iip1,j,llm+1-l,9)=q(1,j,llm+1-l,9) |
| 323 |
|
|
enddo |
| 324 |
|
|
enddo |
| 325 |
|
|
DO l = 1,llm |
| 326 |
|
|
DO j = 2,jjm |
| 327 |
|
|
DO i = 1,iip1 |
| 328 |
|
|
IF (q(i,j,l,0).lt.0.) THEN |
| 329 |
|
|
PRINT*,'------------ BIP-----------' |
| 330 |
|
|
PRINT*,'S0(',i,j,l,')=',q(i,j,l,0), |
| 331 |
|
|
$ q(i,j-1,l,0) |
| 332 |
|
|
PRINT*,'SX(',i,j,l,')=',q(i,j,l,1) |
| 333 |
|
|
PRINT*,'SY(',i,j,l,')=',q(i,j,l,2), |
| 334 |
|
|
$ q(i,j-1,l,2) |
| 335 |
|
|
PRINT*,'SZ(',i,j,l,')=',q(i,j,l,3) |
| 336 |
|
|
q(i,j,l,0)=0. |
| 337 |
|
|
ENDIF |
| 338 |
|
|
ENDDO |
| 339 |
|
|
ENDDO |
| 340 |
|
|
do j=1,jjp1,jjm |
| 341 |
|
|
do i=1,iip1 |
| 342 |
|
|
IF (q(i,j,l,0).lt.0.) THEN |
| 343 |
|
|
PRINT*,'------------ BIP 2-----------' |
| 344 |
|
|
PRINT*,'S0(',i,j,l,')=',q(i,j,l,0) |
| 345 |
|
|
PRINT*,'SX(',i,j,l,')=',q(i,j,l,1) |
| 346 |
|
|
PRINT*,'SY(',i,j,l,')=',q(i,j,l,2) |
| 347 |
|
|
PRINT*,'SZ(',i,j,l,')=',q(i,j,l,3) |
| 348 |
|
|
|
| 349 |
|
|
q(i,j,l,0)=0. |
| 350 |
|
|
c STOP |
| 351 |
|
|
ENDIF |
| 352 |
|
|
enddo |
| 353 |
|
|
enddo |
| 354 |
|
|
ENDDO |
| 355 |
|
|
RETURN |
| 356 |
|
|
END |
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