/[MITgcm]/MITgcm/pkg/generic_advdiff/gad_biharm_x.F
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Revision 1.1 - (hide annotations) (download)
Wed May 30 19:34:48 2001 UTC (22 years, 11 months ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint40pre3, checkpoint40pre1, checkpoint40pre7, checkpoint40pre6, checkpoint40pre9, checkpoint40pre8, checkpoint40pre2, checkpoint40pre4, checkpoint40pre5, checkpoint40
Added "gad" package. Needs generalizing to allow selection
of advection schemes at run-time and different schemes for
each tracer.

1 adcroft 1.1 C $Header: $
2     C $Name: $
3    
4     #include "GAD_OPTIONS.h"
5    
6     SUBROUTINE GAD_BIHARM_X(
7     I bi,bj,k,
8     I xA,del2T,diffK4,
9     O dfx,
10     I myThid )
11     IMPLICIT NONE
12    
13     C == GLobal variables ==
14     #include "SIZE.h"
15     #include "GRID.h"
16    
17     C == Routine arguments ==
18     INTEGER bi,bj,k
19     _RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
20     _RL del2T(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
21     _RL diffK4
22     _RL dfx (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
23     INTEGER myThid
24    
25     C == Local variables ==
26     INTEGER i,j
27    
28     C Difference of zonal fluxes ...
29     DO j=1-Oly,sNy+Oly
30     dfx(1-Olx,j) = 0.
31     DO i=1-Olx+1,sNx+Olx
32     dfx(i,j) = diffK4
33     & *xA(i,j)
34     & *(del2T(i,j)-del2T(i-1,j))*_recip_dxC(i,j,bi,bj)
35     #ifdef COSINEMETH_III
36     & *sqCosFacU(j,bi,bj)
37     #else
38     & *CosFacU(j,bi,bj)
39     #endif
40     ENDDO
41     ENDDO
42    
43     RETURN
44     END

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