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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/enercin.F,v 1.1.1.1 2004/05/19 |
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! 12:53:06 lmdzadmin Exp $ |
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SUBROUTINE enercin(vcov, ucov, vcont, ucont, ecin) |
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USE dimens_m |
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USE paramet_m |
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USE comgeom |
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IMPLICIT NONE |
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! ======================================================================= |
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! Auteur: P. Le Van |
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! ------- |
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! Objet: |
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! ------ |
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! ********************************************************************* |
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! .. calcul de l'energie cinetique aux niveaux s ...... |
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! ********************************************************************* |
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! vcov, vcont, ucov et ucont sont des arguments d'entree pour le s-pg . |
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! ecin est un argument de sortie pour le s-pg |
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! ======================================================================= |
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REAL, INTENT (IN) :: vcov(ip1jm, llm), ucov(ip1jmp1, llm) |
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REAL vcont(ip1jm, llm), ucont(ip1jmp1, llm), ecin(ip1jmp1, llm) |
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REAL ecinni(iip1), ecinsi(iip1) |
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REAL ecinpn, ecinps |
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INTEGER l, ij, i |
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REAL ssum |
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! . V |
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! i,j-1 |
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! alpha4 . . alpha1 |
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! U . . P . U |
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! i-1,j i,j i,j |
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! alpha3 . . alpha2 |
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! . V |
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! i,j |
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! L'energie cinetique au point scalaire P(i,j) ,autre que les poles, est : |
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! Ecin = 0.5 * U(i-1,j)**2 *( alpha3 + alpha4 ) + |
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! 0.5 * U(i ,j)**2 *( alpha1 + alpha2 ) + |
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! 0.5 * V(i,j-1)**2 *( alpha1 + alpha4 ) + |
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! 0.5 * V(i, j)**2 *( alpha2 + alpha3 ) |
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DO l = 1, llm |
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DO ij = iip2, ip1jm - 1 |
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ecin(ij+1, l) = 0.5*(ucov(ij,l)*ucont(ij,l)*alpha3p4(ij+1)+ucov(ij+1,l) & |
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*ucont(ij+1,l)*alpha1p2(ij+1)+vcov(ij-iim,l)*vcont(ij-iim,l)*alpha1p4 & |
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(ij+1)+vcov(ij+1,l)*vcont(ij+1,l)*alpha2p3(ij+1)) |
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END DO |
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! ... correction pour ecin(1,j,l) .... |
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! ... ecin(1,j,l)= ecin(iip1,j,l) ... |
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! DIR$ IVDEP |
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DO ij = iip2, ip1jm, iip1 |
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ecin(ij, l) = ecin(ij+iim, l) |
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END DO |
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! calcul aux poles ....... |
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DO i = 1, iim |
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ecinni(i) = vcov(i, l)*vcont(i, l)*aire(i) |
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ecinsi(i) = vcov(i+ip1jmi1, l)*vcont(i+ip1jmi1, l)*aire(i+ip1jm) |
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END DO |
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ecinpn = 0.5*ssum(iim, ecinni, 1)/apoln |
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ecinps = 0.5*ssum(iim, ecinsi, 1)/apols |
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DO ij = 1, iip1 |
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ecin(ij, l) = ecinpn |
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ecin(ij+ip1jm, l) = ecinps |
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END DO |
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END DO |
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RETURN |
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END SUBROUTINE enercin |
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