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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/advect.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $ |
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SUBROUTINE advect(ucov,vcov,teta,w,massebx,masseby,du,dv,dteta) |
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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 logic |
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use comgeom |
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use ener |
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IMPLICIT NONE |
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c======================================================================= |
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c |
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c Auteurs: P. Le Van , Fr. Hourdin . |
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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 ************************************************************* |
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c .... calcul des termes d'advection vertic.pour u,v,teta,q ... |
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c ************************************************************* |
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c ces termes sont ajoutes a du,dv,dteta et dq . |
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c Modif F.Forget 03/94 : on retire q de advect |
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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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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 massebx(ip1jmp1,llm),masseby(ip1jm,llm),w(ip1jmp1,llm) |
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REAL dv(ip1jm,llm),du(ip1jmp1,llm),dteta(ip1jmp1,llm) |
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c Local: |
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c ------ |
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REAL uav(ip1jmp1,llm),vav(ip1jm,llm),wsur2(ip1jmp1) |
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REAL unsaire2(ip1jmp1), ge(ip1jmp1) |
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REAL deuxjour, ww, gt, uu, vv |
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INTEGER ij,l |
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REAL SSUM |
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c----------------------------------------------------------------------- |
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c 2. Calculs preliminaires: |
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c ------------------------- |
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IF (conser) THEN |
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deuxjour = 2. * daysec |
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DO 1 ij = 1, ip1jmp1 |
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unsaire2(ij) = unsaire(ij) * unsaire(ij) |
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1 CONTINUE |
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END IF |
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c------------------ -yy ---------------------------------------------- |
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c . Calcul de u |
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DO l=1,llm |
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DO ij = iip2, ip1jmp1 |
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uav(ij,l) = 0.25 * ( ucov(ij,l) + ucov(ij-iip1,l) ) |
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ENDDO |
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DO ij = iip2, ip1jm |
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uav(ij,l) = uav(ij,l) + uav(ij+iip1,l) |
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ENDDO |
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DO ij = 1, iip1 |
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uav(ij ,l) = 0. |
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uav(ip1jm+ij,l) = 0. |
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ENDDO |
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ENDDO |
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c------------------ -xx ---------------------------------------------- |
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c . Calcul de v |
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DO l=1,llm |
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DO ij = 2, ip1jm |
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vav(ij,l) = 0.25 * ( vcov(ij,l) + vcov(ij-1,l) ) |
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ENDDO |
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DO ij = 1,ip1jm,iip1 |
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vav(ij,l) = vav(ij+iim,l) |
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ENDDO |
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DO ij = 1, ip1jm-1 |
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vav(ij,l) = vav(ij,l) + vav(ij+1,l) |
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ENDDO |
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DO ij = 1, ip1jm, iip1 |
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vav(ij+iim,l) = vav(ij,l) |
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ENDDO |
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ENDDO |
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c----------------------------------------------------------------------- |
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c |
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DO 20 l = 1, llmm1 |
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c ...... calcul de - w/2. au niveau l+1 ....... |
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DO 5 ij = 1, ip1jmp1 |
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wsur2( ij ) = - 0.5 * w( ij,l+1 ) |
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5 CONTINUE |
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c ..................... calcul pour du .................. |
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DO 6 ij = iip2 ,ip1jm-1 |
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ww = wsur2 ( ij ) + wsur2( ij+1 ) |
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uu = 0.5 * ( ucov(ij,l) + ucov(ij,l+1) ) |
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du(ij,l) = du(ij,l) - ww * ( uu - uav(ij, l ) )/massebx(ij, l ) |
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du(ij,l+1)= du(ij,l+1) + ww * ( uu - uav(ij,l+1) )/massebx(ij,l+1) |
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6 CONTINUE |
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c ..... correction pour du(iip1,j,l) ........ |
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c ..... du(iip1,j,l)= du(1,j,l) ..... |
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CDIR$ IVDEP |
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DO 7 ij = iip1 +iip1, ip1jm, iip1 |
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du( ij, l ) = du( ij -iim, l ) |
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du( ij,l+1 ) = du( ij -iim,l+1 ) |
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7 CONTINUE |
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c ................. calcul pour dv ..................... |
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DO 8 ij = 1, ip1jm |
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ww = wsur2( ij+iip1 ) + wsur2( ij ) |
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vv = 0.5 * ( vcov(ij,l) + vcov(ij,l+1) ) |
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dv(ij,l) = dv(ij, l ) - ww * (vv - vav(ij, l ) )/masseby(ij, l ) |
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dv(ij,l+1)= dv(ij,l+1) + ww * (vv - vav(ij,l+1) )/masseby(ij,l+1) |
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8 CONTINUE |
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c |
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c ............................................................ |
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c ............... calcul pour dh ................... |
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c ............................................................ |
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c ---z |
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c calcul de - d( teta * w ) qu'on ajoute a dh |
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c ............... |
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DO 15 ij = 1, ip1jmp1 |
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ww = wsur2(ij) * (teta(ij,l) + teta(ij,l+1) ) |
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dteta(ij, l ) = dteta(ij, l ) - ww |
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dteta(ij,l+1) = dteta(ij,l+1) + ww |
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15 CONTINUE |
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IF( conser) THEN |
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DO 17 ij = 1,ip1jmp1 |
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ge(ij) = wsur2(ij) * wsur2(ij) * unsaire2(ij) |
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17 CONTINUE |
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gt = SSUM( ip1jmp1,ge,1 ) |
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gtot(l) = deuxjour * SQRT( gt/ip1jmp1 ) |
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END IF |
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20 CONTINUE |
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RETURN |
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END |
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