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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/tourpot.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $ |
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SUBROUTINE tourpot ( vcov, ucov, massebxy, vorpot ) |
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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 ******************************************************************* |
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c ......... calcul du tourbillon potentiel ......... |
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c ******************************************************************* |
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c |
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c vcov,ucov,fext et pbarxyfl sont des argum. d'entree pour le s-pg . |
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c vorpot est un argum.de sortie pour le s-pg . |
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c |
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c======================================================================= |
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use dimens_m |
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use paramet_m |
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use conf_gcm_m |
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use comgeom |
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use filtreg_m, only: filtreg |
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IMPLICIT NONE |
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REAL rot( ip1jm,llm ) |
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REAL, intent(in):: vcov( ip1jm,llm ),ucov( ip1jmp1,llm ) |
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REAL massebxy( ip1jm,llm ),vorpot( ip1jm,llm ) |
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INTEGER l, ij |
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c ... vorpot = ( Filtre( d(vcov)/dx - d(ucov)/dy ) + fext ) /psbarxy .. |
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c ........ Calcul du rotationnel du vent V puis filtrage ........ |
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DO 5 l = 1,llm |
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DO 2 ij = 1, ip1jm - 1 |
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rot( ij,l ) = vcov(ij+1,l)-vcov(ij,l)+ucov(ij+iip1,l)-ucov(ij,l) |
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2 CONTINUE |
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c .... correction pour rot( iip1,j,l ) ..... |
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c .... rot(iip1,j,l) = rot(1,j,l) ..... |
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CDIR$ IVDEP |
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DO 3 ij = iip1, ip1jm, iip1 |
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rot( ij,l ) = rot( ij -iim, l ) |
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3 CONTINUE |
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5 CONTINUE |
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CALL filtreg( rot, jjm, llm, 2, 1, .FALSE.) |
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DO 10 l = 1, llm |
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DO 6 ij = 1, ip1jm - 1 |
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vorpot( ij,l ) = ( rot(ij,l) + fext(ij) ) / massebxy(ij,l) |
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6 CONTINUE |
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c ..... correction pour vorpot( iip1,j,l) ..... |
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c .... vorpot(iip1,j,l)= vorpot(1,j,l) .... |
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CDIR$ IVDEP |
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DO 8 ij = iip1, ip1jm, iip1 |
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vorpot( ij,l ) = vorpot( ij -iim,l ) |
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8 CONTINUE |
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10 CONTINUE |
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RETURN |
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END |
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