| 1 |
C $Header: /u/gcmpack/models/MITgcmUV/pkg/generic_advdiff/gad_fluxlimit_adv_r.F,v 1.1 2001/05/30 19:34:48 adcroft Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "GAD_OPTIONS.h" |
| 5 |
|
| 6 |
SUBROUTINE GAD_FLUXLIMIT_ADV_R( |
| 7 |
I bi,bj,k,deltaT, |
| 8 |
I rTrans, wVel, |
| 9 |
I tracer, |
| 10 |
O wT, |
| 11 |
I myThid ) |
| 12 |
C /==========================================================\ |
| 13 |
C | SUBROUTINE GAD_FLUXLIMIT_ADV_R | |
| 14 |
C | o Compute vertical advective Flux of Tracer using | |
| 15 |
C | Flux Limiter Scheme | |
| 16 |
C |==========================================================| |
| 17 |
IMPLICIT NONE |
| 18 |
|
| 19 |
C == GLobal variables == |
| 20 |
#include "SIZE.h" |
| 21 |
#include "GRID.h" |
| 22 |
|
| 23 |
C == Routine arguments == |
| 24 |
INTEGER bi,bj,k |
| 25 |
_RL deltaT |
| 26 |
_RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 27 |
_RL wVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 28 |
_RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 29 |
_RL wT (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 30 |
INTEGER myThid |
| 31 |
|
| 32 |
C == Local variables == |
| 33 |
INTEGER i,j,kp1,km1,km2 |
| 34 |
_RL Cr,Rjm,Rj,Rjp |
| 35 |
#include "GAD_FLUX_LIMITER.h" |
| 36 |
|
| 37 |
km2=MAX(1,k-2) |
| 38 |
km1=MAX(1,k-1) |
| 39 |
kp1=MIN(Nr,k+1) |
| 40 |
|
| 41 |
IF ( k.GT.Nr) THEN |
| 42 |
DO j=1-Oly,sNy+Oly |
| 43 |
DO i=1-Olx,sNx+Olx |
| 44 |
wT(i,j) = 0. |
| 45 |
ENDDO |
| 46 |
ENDDO |
| 47 |
ELSE |
| 48 |
DO j=1-Oly,sNy+Oly |
| 49 |
DO i=1-Olx,sNx+Olx |
| 50 |
Rjp=(tracer(i,j,kp1,bi,bj)-tracer(i,j,k,bi,bj)) |
| 51 |
& *maskC(i,j,kp1,bi,bj) |
| 52 |
Rj=(tracer(i,j,k,bi,bj)-tracer(i,j,kM1,bi,bj)) |
| 53 |
Rjm=(tracer(i,j,km1,bi,bj)-tracer(i,j,kM2,bi,bj)) |
| 54 |
& *maskC(i,j,km2,bi,bj) |
| 55 |
IF (Rj.NE.0.) THEN |
| 56 |
IF (rTrans(i,j).LT.0) THEN |
| 57 |
Cr=Rjm/Rj |
| 58 |
ELSE |
| 59 |
Cr=Rjp/Rj |
| 60 |
ENDIF |
| 61 |
ELSE |
| 62 |
IF (rTrans(i,j).LT.0) THEN |
| 63 |
Cr=Rjm*1.E20 |
| 64 |
ELSE |
| 65 |
Cr=Rjp*1.E20 |
| 66 |
ENDIF |
| 67 |
ENDIF |
| 68 |
Cr=Limiter(Cr) |
| 69 |
wT(i,j) = maskC(i,j,kM1,bi,bj)*( |
| 70 |
& rTrans(i,j)* |
| 71 |
& (Tracer(i,j,k,bi,bj)+Tracer(i,j,kM1,bi,bj))*0.5 _d 0 |
| 72 |
& +(ABS(rTrans(i,j))*(1-Cr) |
| 73 |
& +rTrans(i,j)*wVel(i,j,k,bi,bj)*deltaT*recip_drC(k) |
| 74 |
& *Cr |
| 75 |
& )*Rj*0.5 _d 0 ) |
| 76 |
ENDDO |
| 77 |
ENDDO |
| 78 |
ENDIF |
| 79 |
|
| 80 |
RETURN |
| 81 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph