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module tourpot_m |
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IMPLICIT NONE |
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contains |
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SUBROUTINE tourpot(vcov, ucov, massebxy, vorpot) |
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! From LMDZ4/libf/dyn3d/tourpot.F, version 1.1.1.1 2004/05/19 12:53:06 |
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! Auteur : P. Le Van |
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! Objet : calcul du tourbillon potentiel |
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USE dimens_m, ONLY: iim, jjm, llm |
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USE paramet_m, ONLY: iip1, ip1jm, ip1jmp1 |
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USE comgeom, ONLY: fext |
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use filtreg_m, only: filtreg |
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REAL, intent(in):: vcov(ip1jm, llm), ucov(ip1jmp1, llm) |
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REAL, intent(in):: massebxy(ip1jm, llm) |
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real, intent(out):: vorpot(ip1jm, llm) |
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! = (Filtre(d(vcov)/dx - d(ucov)/dy) + fext) / massebxy |
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! Local: |
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REAL rot(ip1jm, llm) |
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INTEGER l, ij |
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!--------------------------------------------------------------- |
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! Calcul du rotationnel du vent puis filtrage |
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DO l = 1, llm |
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DO ij = 1, ip1jm - 1 |
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rot(ij, l) = vcov(ij + 1, l) - vcov(ij, l) + ucov(ij + iip1, l) & |
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- ucov(ij, l) |
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end DO |
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|
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! correction pour rot(iip1, j, l) |
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! rot(iip1, j, l) = rot(1, j, l) |
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DO ij = iip1, ip1jm, iip1 |
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rot(ij, l) = rot(ij - iim, l) |
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end DO |
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end DO |
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CALL filtreg(rot, jjm, llm, 2, 1, .FALSE.) |
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DO l = 1, llm |
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DO ij = 1, ip1jm - 1 |
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vorpot(ij, l) = (rot(ij, l) + fext(ij)) / massebxy(ij, l) |
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end DO |
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! correction pour vorpot(iip1, j, l) |
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! vorpot(iip1, j, l)= vorpot(1, j, l) |
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DO ij = iip1, ip1jm, iip1 |
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vorpot(ij, l) = vorpot(ij - iim, l) |
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end DO |
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end DO |
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END SUBROUTINE tourpot |
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end module tourpot_m |