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! |
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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/pentes_ini.F,v 1.1.1.1 2004/05/19 12:53:07 lmdzadmin Exp $ |
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! |
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SUBROUTINE pentes_ini (q,w,masse,pbaru,pbarv,mode) |
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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 comvert |
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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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|
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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 des pentes |
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c ******************************************************************** |
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c Reference possible : Russel. G.L., Lerner J.A.: |
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c A new Finite-Differencing Scheme for Traceur Transport |
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c Equation , Journal of Applied Meteorology, pp 1483-1498,dec. 81 |
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c ******************************************************************** |
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c q,w,masse,pbaru et pbarv |
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c sont des arguments d'entree pour le s-pg .... |
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c |
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c======================================================================= |
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|
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|
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|
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c Arguments: |
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c ---------- |
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integer mode |
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REAL, intent(in):: pbaru( ip1jmp1,llm ),pbarv( ip1jm,llm ) |
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REAL q( iip1,jjp1,llm,0:3) |
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REAL w( ip1jmp1,llm ) |
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REAL masse( iip1,jjp1,llm) |
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c Local: |
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c ------ |
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LOGICAL limit |
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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 masn,mass,zz |
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INTEGER i,j,l,iq |
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|
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c modif Fred 24 03 96 |
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|
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real sinlon(iip1),sinlondlon(iip1) |
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real coslon(iip1),coslondlon(iip1) |
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save sinlon,coslon,sinlondlon,coslondlon |
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real dyn1,dyn2,dys1,dys2 |
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real qpn,qps,dqzpn,dqzps |
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real smn,sms,s0n,s0s,sxn(iip1),sxs(iip1) |
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real qmin,zq,pente_max |
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c |
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REAL SSUM |
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integer ismax,ismin,lati,latf |
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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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c fin modif |
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|
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c EXTERNAL masskg |
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EXTERNAL advx |
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EXTERNAL advy |
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EXTERNAL advz |
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|
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c modif Fred 24 03 96 |
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data first/.true./ |
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|
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limit = .TRUE. |
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pente_max=2 |
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c if (mode.eq.1.or.mode.eq.3) then |
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c if (mode.eq.1) then |
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if (mode.ge.1) then |
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lati=2 |
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latf=jjm |
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else |
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lati=1 |
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latf=jjp1 |
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endif |
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|
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qmin=0.4995 |
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qmin=0. |
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if(first) then |
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print*,'SCHEMA AMONT NOUVEAU' |
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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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print*,coslondlon(i),sinlondlon(i) |
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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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print*,'sum sinlondlon ',ssum(iim,sinlondlon,1)/sinlondlon(1) |
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print*,'sum coslondlon ',ssum(iim,coslondlon,1)/coslondlon(1) |
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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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ENDDO |
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ENDDO |
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ENDDO |
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|
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endif |
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|
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c *** q contient les qqtes de traceur avant l'advection |
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|
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c *** Affectation des tableaux S a partir de Q |
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c *** Rem : utilisation de SCOPY ulterieurement |
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|
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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,llm+1-l ) = q ( i,j,l,0 ) |
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sx( i,j,llm+1-l ) = q ( i,j,l,1 ) |
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sy( i,j,llm+1-l ) = q ( i,j,l,2 ) |
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sz( i,j,llm+1-l ) = q ( i,j,l,3 ) |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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c *** On calcule la masse d'air en kg |
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|
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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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|
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c *** On converti les champs S en atome (resp. kg) |
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c *** Les routines d'advection traitent les champs |
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c *** a advecter si ces derniers sont en atome (resp. kg) |
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c *** A optimiser !!! |
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|
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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) = s0(i,j,l) * sm ( i,j,l ) |
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sx(i,j,l) = sx(i,j,l) * sm ( i,j,l ) |
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sy(i,j,l) = sy(i,j,l) * sm ( i,j,l ) |
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sz(i,j,l) = sz(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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|
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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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|
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if(mode.eq.2) then |
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do l=1,llm |
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s0s=0. |
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s0n=0. |
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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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smn=0. |
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sms=0. |
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do i=1,iim |
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smn=smn+sm(i,1,l) |
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sms=sms+sm(i,jjp1,l) |
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s0n=s0n+s0(i,1,l) |
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s0s=s0s+s0(i,jjp1,l) |
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zz=sy(i,1,l)/sm(i,1,l) |
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dyn1=dyn1+sinlondlon(i)*zz |
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dyn2=dyn2+coslondlon(i)*zz |
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zz=sy(i,jjp1,l)/sm(i,jjp1,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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sy(i,1,l)=dyn1*sinlon(i)+dyn2*coslon(i) |
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sy(i,jjp1,l)=dys1*sinlon(i)+dys2*coslon(i) |
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enddo |
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do i=1,iim |
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s0(i,1,l)=s0n/smn+sy(i,1,l) |
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s0(i,jjp1,l)=s0s/sms-sy(i,jjp1,l) |
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enddo |
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|
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s0(iip1,1,l)=s0(1,1,l) |
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s0(iip1,jjp1,l)=s0(1,jjp1,l) |
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|
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do i=1,iim |
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sxn(i)=s0(i+1,1,l)-s0(i,1,l) |
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sxs(i)=s0(i+1,jjp1,l)-s0(i,jjp1,l) |
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c on rerentre les masses |
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enddo |
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do i=1,iim |
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sy(i,1,l)=sy(i,1,l)*sm(i,1,l) |
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sy(i,jjp1,l)=sy(i,jjp1,l)*sm(i,jjp1,l) |
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s0(i,1,l)=s0(i,1,l)*sm(i,1,l) |
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s0(i,jjp1,l)=s0(i,jjp1,l)*sm(i,jjp1,l) |
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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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sx(i+1,1,l)=0.25*(sxn(i)+sxn(i+1))*sm(i+1,1,l) |
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sx(i+1,jjp1,l)=0.25*(sxs(i)+sxs(i+1))*sm(i+1,jjp1,l) |
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enddo |
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s0(iip1,1,l)=s0(1,1,l) |
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s0(iip1,jjp1,l)=s0(1,jjp1,l) |
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sy(iip1,1,l)=sy(1,1,l) |
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sy(iip1,jjp1,l)=sy(1,jjp1,l) |
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sx(1,1,l)=sx(iip1,1,l) |
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sx(1,jjp1,l)=sx(iip1,jjp1,l) |
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enddo |
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endif |
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|
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if (mode.eq.4) then |
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do l=1,llm |
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do i=1,iip1 |
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sx(i,1,l)=0. |
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sx(i,jjp1,l)=0. |
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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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endif |
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call limx(s0,sx,sm,pente_max) |
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call advx( limit,.5*dtvr,pbaru,sm,s0,sx,sy,sz,lati,latf) |
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if (mode.eq.4) then |
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do l=1,llm |
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do i=1,iip1 |
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sx(i,1,l)=0. |
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sx(i,jjp1,l)=0. |
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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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endif |
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call limy(s0,sy,sm,pente_max) |
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call advy( limit,.5*dtvr,pbarv,sm,s0,sx,sy,sz ) |
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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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enddo |
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enddo |
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call limz(s0,sz,sm,pente_max) |
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call advz( limit,dtvr,w,sm,s0,sx,sy,sz ) |
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if (mode.eq.4) then |
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do l=1,llm |
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do i=1,iip1 |
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sx(i,1,l)=0. |
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sx(i,jjp1,l)=0. |
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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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endif |
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call limy(s0,sy,sm,pente_max) |
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call advy( limit,.5*dtvr,pbarv,sm,s0,sx,sy,sz ) |
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do l=1,llm |
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do j=1,jjp1 |
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sm(iip1,j,l)=sm(1,j,l) |
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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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enddo |
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enddo |
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|
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|
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if (mode.eq.4) then |
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do l=1,llm |
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do i=1,iip1 |
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sx(i,1,l)=0. |
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sx(i,jjp1,l)=0. |
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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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endif |
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call limx(s0,sx,sm,pente_max) |
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call advx( limit,.5*dtvr,pbaru,sm,s0,sx,sy,sz,lati,latf) |
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c *** On repasse les S dans la variable q directement 14/10/94 |
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c On revient a des rapports de melange en divisant par la masse |
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|
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c En dehors des poles: |
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|
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DO l = 1,llm |
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DO j = 1,jjp1 |
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DO i = 1,iim |
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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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ENDDO |
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ENDDO |
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ENDDO |
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|
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c Traitements specifiques au pole |
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|
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if(mode.ge.1) then |
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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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if(mode.eq.3) then |
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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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dyn1=dyn1+sinlondlon(i)*sy(i,1,l)/sm(i,1,l) |
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dyn2=dyn2+coslondlon(i)*sy(i,1,l)/sm(i,1,l) |
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dys1=dys1+sinlondlon(i)*sy(i,jjp1,l)/sm(i,jjp1,l) |
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dys2=dys2+coslondlon(i)*sy(i,jjp1,l)/sm(i,jjp1,l) |
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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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s (sinlon(i)*dyn1+coslon(i)*dyn2) |
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q(i,1,llm+1-l,0)=q(i,1,llm+1-l,0)+q(i,1,llm+1-l,2) |
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q(i,jjp1,llm+1-l,2)= |
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s (sinlon(i)*dys1+coslon(i)*dys2) |
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q(i,jjp1,llm+1-l,0)=q(i,jjp1,llm+1-l,0) |
| 337 |
s -q(i,jjp1,llm+1-l,2) |
| 338 |
enddo |
| 339 |
endif |
| 340 |
if(mode.eq.1) then |
| 341 |
c on filtre les valeurs au bord de la "grande maille pole" |
| 342 |
dyn1=0. |
| 343 |
dys1=0. |
| 344 |
dyn2=0. |
| 345 |
dys2=0. |
| 346 |
do i=1,iim |
| 347 |
zz=s0(i,2,l)/sm(i,2,l)-q(i,1,llm+1-l,0) |
| 348 |
dyn1=dyn1+sinlondlon(i)*zz |
| 349 |
dyn2=dyn2+coslondlon(i)*zz |
| 350 |
zz=q(i,jjp1,llm+1-l,0)-s0(i,jjm,l)/sm(i,jjm,l) |
| 351 |
dys1=dys1+sinlondlon(i)*zz |
| 352 |
dys2=dys2+coslondlon(i)*zz |
| 353 |
enddo |
| 354 |
do i=1,iim |
| 355 |
q(i,1,llm+1-l,2)= |
| 356 |
s (sinlon(i)*dyn1+coslon(i)*dyn2)/2. |
| 357 |
q(i,1,llm+1-l,0)=q(i,1,llm+1-l,0)+q(i,1,llm+1-l,2) |
| 358 |
q(i,jjp1,llm+1-l,2)= |
| 359 |
s (sinlon(i)*dys1+coslon(i)*dys2)/2. |
| 360 |
q(i,jjp1,llm+1-l,0)=q(i,jjp1,llm+1-l,0) |
| 361 |
s -q(i,jjp1,llm+1-l,2) |
| 362 |
enddo |
| 363 |
q(iip1,1,llm+1-l,0)=q(1,1,llm+1-l,0) |
| 364 |
q(iip1,jjp1,llm+1-l,0)=q(1,jjp1,llm+1-l,0) |
| 365 |
|
| 366 |
do i=1,iim |
| 367 |
sxn(i)=q(i+1,1,llm+1-l,0)-q(i,1,llm+1-l,0) |
| 368 |
sxs(i)=q(i+1,jjp1,llm+1-l,0)-q(i,jjp1,llm+1-l,0) |
| 369 |
enddo |
| 370 |
sxn(iip1)=sxn(1) |
| 371 |
sxs(iip1)=sxs(1) |
| 372 |
do i=1,iim |
| 373 |
q(i+1,1,llm+1-l,1)=0.25*(sxn(i)+sxn(i+1)) |
| 374 |
q(i+1,jjp1,llm+1-l,1)=0.25*(sxs(i)+sxs(i+1)) |
| 375 |
enddo |
| 376 |
q(1,1,llm+1-l,1)=q(iip1,1,llm+1-l,1) |
| 377 |
q(1,jjp1,llm+1-l,1)=q(iip1,jjp1,llm+1-l,1) |
| 378 |
|
| 379 |
endif |
| 380 |
|
| 381 |
ENDDO |
| 382 |
endif |
| 383 |
|
| 384 |
c bouclage en longitude |
| 385 |
do iq=0,3 |
| 386 |
do l=1,llm |
| 387 |
do j=1,jjp1 |
| 388 |
q(iip1,j,l,iq)=q(1,j,l,iq) |
| 389 |
enddo |
| 390 |
enddo |
| 391 |
enddo |
| 392 |
|
| 393 |
DO l = 1,llm |
| 394 |
DO j = 1,jjp1 |
| 395 |
DO i = 1,iip1 |
| 396 |
IF (q(i,j,l,0).lt.0.) THEN |
| 397 |
q(i,j,l,0)=0. |
| 398 |
ENDIF |
| 399 |
ENDDO |
| 400 |
ENDDO |
| 401 |
ENDDO |
| 402 |
|
| 403 |
do l=1,llm |
| 404 |
do j=1,jjp1 |
| 405 |
do i=1,iip1 |
| 406 |
if(q(i,j,l,0).lt.qmin) |
| 407 |
, print*,'apres pentes, s0(',i,',',j,',',l,')=',q(i,j,l,0) |
| 408 |
enddo |
| 409 |
enddo |
| 410 |
enddo |
| 411 |
RETURN |
| 412 |
END |
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