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module dissip_m |
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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/dissip.F,v 1.1.1.1 2004/05/19 12:53:05 lmdzadmin Exp $ |
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! |
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SUBROUTINE dissip( vcov,ucov,teta,p, dv,du,dh ) |
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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 comdissnew |
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use comgeom |
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IMPLICIT NONE |
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c .. Avec nouveaux operateurs star : gradiv2 , divgrad2, nxgraro2 ... |
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c ( 10/01/98 ) |
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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 Dissipation horizontale |
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c |
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c======================================================================= |
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c----------------------------------------------------------------------- |
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c Declarations: |
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c ------------- |
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include "comdissipn.h" |
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c Arguments: |
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c ---------- |
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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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c Local: |
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c ------ |
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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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REAL SSUM |
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c----------------------------------------------------------------------- |
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c initialisations: |
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c ---------------- |
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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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ENDDO |
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du=0. |
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dv=0. |
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dh=0. |
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c----------------------------------------------------------------------- |
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c Calcul de la dissipation: |
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c ------------------------- |
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c Calcul de la partie grad ( div ) : |
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c ------------------------------------- |
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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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ENDIF |
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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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ENDDO |
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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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ENDDO |
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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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ENDDO |
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ENDDO |
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c calcul de la partie n X grad ( rot ): |
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c --------------------------------------- |
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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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ENDIF |
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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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ENDDO |
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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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ENDDO |
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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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ENDDO |
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ENDDO |
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c calcul de la partie div ( grad ): |
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c ----------------------------------- |
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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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ENDDO |
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ENDDO |
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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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ENDIF |
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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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ENDDO |
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ENDDO |
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RETURN |
IMPLICIT NONE |
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END |
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contains |
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SUBROUTINE dissip(vcov, ucov, teta, p, dv, du, dh) |
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! From dyn3d/dissip.F, version 1.1.1.1 2004/05/19 12:53:05 |
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! Author: P. Le Van |
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! Objet : calcul de la dissipation horizontale |
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! Avec opérateurs star : gradiv2, divgrad2, nxgraro2 |
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USE dimens_m, ONLY: iim, jjm, llm |
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USE comdissnew, ONLY: lstardis, nitergdiv, nitergrot, niterh |
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USE inidissip_m, ONLY: dtdiss, tetah, tetaudiv, tetaurot, cdivu, crot, cdivh |
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use gradiv2_m, only: gradiv2 |
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use nr_util, only: assert |
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REAL, intent(in):: vcov(:, :, :) ! (iim + 1, jjm, llm) |
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REAL, intent(in):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL, intent(in):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL, INTENT(IN):: p(:, :, :) ! (iim + 1, jjm + 1, llm + 1) |
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REAL, intent(out):: dv(:, :, :) ! (iim + 1, jjm, llm) |
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REAL, intent(out):: du(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL, intent(out):: dh(:, :, :) ! (iim + 1, jjm + 1, llm) |
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! Local: |
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REAL gdx(iim + 1, jjm + 1, llm), gdy(iim + 1, jjm, llm) |
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REAL grx(iim + 1, jjm + 1, llm), gry(iim + 1, jjm, llm) |
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REAL tedt(llm) |
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REAL deltapres(iim + 1, jjm + 1, llm) |
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INTEGER l |
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!----------------------------------------------------------------------- |
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call assert((/size(vcov, 1), size(ucov, 1), size(teta, 1), size(p, 1), & |
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size(dv, 1), size(du, 1), size(dh, 1)/) == iim + 1, "dissip iim") |
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call assert((/size(vcov, 2), size(ucov, 2) - 1, size(teta, 2) - 1, & |
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size(p, 2) - 1, size(dv, 2), size(du, 2) - 1, size(dh, 2) - 1/) & |
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== jjm, "dissip jjm") |
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call assert((/size(vcov, 3), size(ucov, 3), size(teta, 3), size(p, 3) - 1, & |
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size(dv, 3), size(du, 3), size(dh, 3)/) == llm, "dissip llm") |
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du(:, 1, :) = 0. |
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du(:, jjm + 1, :) = 0. |
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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, cdivu) |
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ELSE |
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CALL gradiv(llm, ucov, vcov, nitergdiv, gdx, gdy, cdivu) |
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END IF |
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tedt = tetaudiv * dtdiss |
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forall (l = 1: llm) |
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du(:, 2: jjm, l) = - tedt(l) * gdx(:, 2: jjm, l) |
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dv(:, :, l) = - tedt(l) * gdy(:, :, l) |
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END forall |
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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, crot) |
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ELSE |
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CALL nxgrarot(llm, ucov, vcov, nitergrot, grx, gry, crot) |
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END IF |
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tedt = tetaurot * dtdiss |
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forall (l = 1: llm) |
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du(:, 2: jjm, l) = du(:, 2: jjm, l) - tedt(l) * grx(:, 2: jjm, l) |
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dv(:, :, l) = dv(:, :, l) - tedt(l) * gry(:, :, l) |
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END forall |
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! calcul de la partie div (grad) : |
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IF (lstardis) THEN |
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forall (l = 1: llm) & |
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deltapres(:, :, l) = max(0., p(:, :, l) - p(:, :, l + 1)) |
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CALL divgrad2(llm, teta, deltapres, niterh, gdx, cdivh) |
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ELSE |
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CALL divgrad(llm, teta, niterh, gdx, cdivh) |
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END IF |
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forall (l = 1: llm) dh(:, :, l) = - tetah(l) * dtdiss * gdx(:, :, l) |
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END SUBROUTINE dissip |
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end module dissip_m |
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