/[MITgcm]/MITgcm/pkg/generic_advdiff/gad_dst3_adv_x.F
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revision 1.7 by heimbach, Wed Jun 7 01:55:14 2006 UTC revision 1.8 by jmc, Sun Jun 18 23:31:35 2006 UTC
# Line 3  C $Name$ Line 3  C $Name$
3    
4  #include "GAD_OPTIONS.h"  #include "GAD_OPTIONS.h"
5    
6        SUBROUTINE GAD_DST3_ADV_X(        SUBROUTINE GAD_DST3_ADV_X(
7       I           bi,bj,k,deltaTloc,       I           bi,bj,k,deltaTloc,
8       I           uTrans, uVel,       I           uTrans, uFld,
9       I           maskLocW, tracer,       I           maskLocW, tracer,
10       O           uT,       O           uT,
11       I           myThid )       I           myThid )
# Line 27  C     == Routine arguments == Line 27  C     == Routine arguments ==
27        INTEGER bi,bj,k        INTEGER bi,bj,k
28        _RL deltaTloc        _RL deltaTloc
29        _RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
30        _RL uVel(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)        _RL uFld  (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
31        _RS maskLocW(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RS maskLocW(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
32        _RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
33        _RL uT    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL uT    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
34        INTEGER myThid        INTEGER myThid
35    
36  C     == Local variables ==  C     == Local variables ==
37  C     uFld   :: velocity [m/s], zonal component  C     uLoc   :: velocity [m/s], zonal component
38        INTEGER i,j        INTEGER i,j
39        _RL Rjm,Rj,Rjp,cfl,d0,d1        _RL Rjm,Rj,Rjp,cfl,d0,d1
40        _RL psiP,psiM,thetaP,thetaM        _RL psiP,psiM,thetaP,thetaM
41        _RL uFld        _RL uLoc
42        _RL smallNo        _RL smallNo
43  c     _RL Rjjm,Rjjp  c     _RL Rjjm,Rjjp
44    
# Line 57  c     _RL Rjjm,Rjjp Line 57  c     _RL Rjjm,Rjjp
57          Rj =(tracer( i ,j)-tracer(i-1,j))*maskLocW( i ,j)          Rj =(tracer( i ,j)-tracer(i-1,j))*maskLocW( i ,j)
58          Rjm=(tracer(i-1,j)-tracer(i-2,j))*maskLocW(i-1,j)          Rjm=(tracer(i-1,j)-tracer(i-2,j))*maskLocW(i-1,j)
59    
60  c       uFld = uVel(i,j,k,bi,bj)  c       uLoc = uFld(i,j)
61          uFld = uTrans(i,j)*recip_dyG(i,j,bi,bj)          uLoc = uTrans(i,j)*recip_dyG(i,j,bi,bj)
62       &       *recip_drF(k)*_recip_hFacW(i,j,k,bi,bj)       &       *recip_drF(k)*_recip_hFacW(i,j,k,bi,bj)
63          cfl=abs(uFld*deltaTloc*recip_dxC(i,j,bi,bj))          cfl=abs(uLoc*deltaTloc*recip_dxC(i,j,bi,bj))
64          d0=(2.-cfl)*(1.-cfl)*oneSixth          d0=(2.-cfl)*(1.-cfl)*oneSixth
65          d1=(1.-cfl*cfl)*oneSixth          d1=(1.-cfl*cfl)*oneSixth
66  #ifdef ALLOW_MATRIX  #ifdef ALLOW_MATRIX
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