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adcroft |
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C $Header: $ |
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C $Name: $ |
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#include "GAD_OPTIONS.h" |
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SUBROUTINE GAD_FLUXLIMIT_ADV_R( |
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I bi,bj,k,deltaT, |
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I rTrans, wVel, |
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I tracer, |
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O wT, |
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I myThid ) |
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IMPLICIT NONE |
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C == GLobal variables == |
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#include "SIZE.h" |
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#include "GRID.h" |
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C == Routine arguments == |
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INTEGER bi,bj,k |
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_RL deltaT |
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_RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL wVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL wT (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER myThid |
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C == Local variables == |
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INTEGER i,j,kp1,km1,km2 |
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_RL Cr,Rjm,Rj,Rjp |
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#include "GAD_FLUX_LIMITER.h" |
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km2=MAX(1,k-2) |
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km1=MAX(1,k-1) |
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kp1=MIN(Nr,k+1) |
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IF ( k.GT.Nr) THEN |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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wT(i,j) = 0. |
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ENDDO |
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ENDDO |
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ELSE |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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Rjp=(tracer(i,j,kp1,bi,bj)-tracer(i,j,k,bi,bj)) |
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& *maskC(i,j,kp1,bi,bj) |
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Rj=(tracer(i,j,k,bi,bj)-tracer(i,j,kM1,bi,bj)) |
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& *maskC(i,j,k,bi,bj) |
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Rjm=(tracer(i,j,km1,bi,bj)-tracer(i,j,kM2,bi,bj)) |
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& *maskC(i,j,km1,bi,bj) |
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IF (Rj.NE.0.) THEN |
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IF (rTrans(i,j).LT.0) THEN |
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Cr=Rjm/Rj |
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ELSE |
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Cr=Rjp/Rj |
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ENDIF |
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ELSE |
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IF (rTrans(i,j).LT.0) THEN |
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Cr=Rjm*1.E20 |
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ELSE |
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Cr=Rjp*1.E20 |
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ENDIF |
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ENDIF |
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Cr=Limiter(Cr) |
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wT(i,j) = |
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& rTrans(i,j) |
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& *(maskC(i,j,kM1,bi,bj)* |
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& (Tracer(i,j,k,bi,bj)+Tracer(i,j,kM1,bi,bj))*0.5 _d 0 |
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& +(maskC(i,j,k,bi,bj)-maskC(i,j,kM1,bi,bj))* |
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& Tracer(i,j,k,bi,bj) |
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& ) |
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& +maskC(i,j,km1,bi,bj)*0.5*( |
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& (1-Cr)*ABS(rTrans(i,j)) |
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& +rTrans(i,j)*wVel(i,j,k,bi,bj)*deltaT |
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& *recip_drC(k)*Cr |
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& )*Rj |
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ENDDO |
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ENDDO |
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ENDIF |
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RETURN |
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END |