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SUBROUTINE dissip(vcov,ucov,teta,p,dv,du,dh) |
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! From dyn3d/dissip.F,v 1.1.1.1 2004/05/19 12:53:05 |
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! Avec nouveaux operateurs star : gradiv2 , divgrad2, nxgraro2 ... |
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! Auteur: P. Le Van |
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! Objet: dissipation horizontale |
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USE dimens_m, ONLY : llm |
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USE paramet_m, ONLY : iip1, iip2, ip1jm, ip1jmp1, llmp1 |
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USE comdissnew, ONLY : lstardis, nitergdiv, nitergrot, niterh |
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USE inidissip_m, ONLY : dtdiss, tetah, tetaudiv, tetaurot |
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IMPLICIT NONE |
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! Arguments: |
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REAL :: vcov(ip1jm,llm), ucov(ip1jmp1,llm), teta(ip1jmp1,llm) |
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REAL, INTENT (IN) :: p(ip1jmp1,llmp1) |
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REAL :: dv(ip1jm,llm), du(ip1jmp1,llm), dh(ip1jmp1,llm) |
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! Local: |
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REAL :: gdx(ip1jmp1,llm), gdy(ip1jm,llm) |
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REAL :: grx(ip1jmp1,llm), gry(ip1jm,llm) |
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REAL :: te1dt(llm), te2dt(llm), te3dt(llm) |
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REAL :: deltapres(ip1jmp1,llm) |
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INTEGER :: l, ij |
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!----------------------------------------------------------------------- |
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! initialisations: |
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DO l = 1, llm |
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te1dt(l) = tetaudiv(l)*dtdiss |
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te2dt(l) = tetaurot(l)*dtdiss |
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te3dt(l) = tetah(l)*dtdiss |
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END DO |
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du = 0. |
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dv = 0. |
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dh = 0. |
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! Calcul de la dissipation: |
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! Calcul de la partie grad ( div ) : |
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IF (lstardis) THEN |
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CALL gradiv2(llm,ucov,vcov,nitergdiv,gdx,gdy) |
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ELSE |
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CALL gradiv(llm,ucov,vcov,nitergdiv,gdx,gdy) |
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END IF |
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DO l = 1, llm |
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DO ij = 1, iip1 |
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gdx(ij,l) = 0. |
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gdx(ij+ip1jm,l) = 0. |
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END DO |
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DO ij = iip2, ip1jm |
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du(ij,l) = du(ij,l) - te1dt(l)*gdx(ij,l) |
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END DO |
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DO ij = 1, ip1jm |
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dv(ij,l) = dv(ij,l) - te1dt(l)*gdy(ij,l) |
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END DO |
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END DO |
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! calcul de la partie n X grad ( rot ): |
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IF (lstardis) THEN |
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CALL nxgraro2(llm,ucov,vcov,nitergrot,grx,gry) |
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ELSE |
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CALL nxgrarot(llm,ucov,vcov,nitergrot,grx,gry) |
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END IF |
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DO l = 1, llm |
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DO ij = 1, iip1 |
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grx(ij,l) = 0. |
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END DO |
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DO ij = iip2, ip1jm |
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du(ij,l) = du(ij,l) - te2dt(l)*grx(ij,l) |
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END DO |
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DO ij = 1, ip1jm |
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dv(ij,l) = dv(ij,l) - te2dt(l)*gry(ij,l) |
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END DO |
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END DO |
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! calcul de la partie div ( grad ): |
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IF (lstardis) THEN |
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DO l = 1, llm |
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DO ij = 1, ip1jmp1 |
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deltapres(ij,l) = amax1(0.,p(ij,l)-p(ij,l+1)) |
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END DO |
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END DO |
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CALL divgrad2(llm,teta,deltapres,niterh,gdx) |
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ELSE |
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CALL divgrad(llm,teta,niterh,gdx) |
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END IF |
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DO l = 1, llm |
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DO ij = 1, ip1jmp1 |
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dh(ij,l) = dh(ij,l) - te3dt(l)*gdx(ij,l) |
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END DO |
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END DO |
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END SUBROUTINE dissip |