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guez |
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SUBROUTINE tourabs ( ntetaSTD,vcov, ucov, vorabs ) |
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c======================================================================= |
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c |
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c Modif: I. Musat (28/10/04) |
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c ------- |
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c adaptation du code tourpot.F pour le calcul de la vorticite absolue |
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c cf. P. Le Van |
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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 de la vorticite absolue ................. |
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c ******************************************************************* |
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c |
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c ntetaSTD, vcov,ucov sont des argum. d'entree pour le s-pg . |
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c vorabs 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 comconst |
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use logic |
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use comgeom |
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IMPLICIT NONE |
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c |
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INTEGER ntetaSTD |
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REAL vcov( ip1jm,ntetaSTD ), ucov( ip1jmp1,ntetaSTD ) |
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REAL vorabs( ip1jm,ntetaSTD ) |
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c |
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c variables locales |
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INTEGER l, ij, i, j |
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REAL rot( ip1jm,ntetaSTD ) |
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c ... vorabs = ( Filtre( d(vcov)/dx - d(ucov)/dy ) + fext ) .. |
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c ........ Calcul du rotationnel du vent V puis filtrage ........ |
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DO 5 l = 1,ntetaSTD |
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DO 2 i = 1, iip1 |
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DO 2 j = 1, jjm |
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c |
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ij=i+(j-1)*iip1 |
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IF(ij.LE.ip1jm - 1) THEN |
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c |
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IF(cv(ij).EQ.0..OR.cv(ij+1).EQ.0..OR. |
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$ cu(ij).EQ.0..OR.cu(ij+iip1).EQ.0.) THEN |
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rot( ij,l ) = 0. |
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continue |
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ELSE |
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rot( ij,l ) = (vcov(ij+1,l)/cv(ij+1)-vcov(ij,l)/cv(ij))/ |
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$ (2.*pi*RAD*cos(rlatv(j)))*float(iim) |
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$ +(ucov(ij+iip1,l)/cu(ij+iip1)-ucov(ij,l)/cu(ij))/ |
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$ (pi*RAD)*(float(jjm)-1.) |
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c |
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ENDIF |
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ENDIF !(ij.LE.ip1jm - 1) THEN |
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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, ntetaSTD, 2, 1, .FALSE., 1 ) |
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DO 10 l = 1, ntetaSTD |
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DO 6 ij = 1, ip1jm - 1 |
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vorabs( ij,l ) = ( rot(ij,l) + fext(ij)*unsairez(ij) ) |
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6 CONTINUE |
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c ..... correction pour vorabs( iip1,j,l) ..... |
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c .... vorabs(iip1,j,l)= vorabs(1,j,l) .... |
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CDIR$ IVDEP |
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DO 8 ij = iip1, ip1jm, iip1 |
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vorabs( ij,l ) = vorabs( 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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