/[MITgcm]/MITgcm/pkg/mom_vecinv/mom_u_rviscflux.F
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revision 1.1 by adcroft, Fri Mar 30 21:13:33 2001 UTC revision 1.2 by adcroft, Tue May 29 14:01:39 2001 UTC
# Line 0  Line 1 
1    C $Header$
2    C $Name$
3    
4    #include "CPP_OPTIONS.h"
5    
6          SUBROUTINE MOM_U_RVISCFLUX(
7         I        bi,bj,k,
8         I        uFld, KappaRU,
9         O        rViscFluxU,
10         I        myThid)
11          IMPLICIT NONE
12    C
13    C     Calculate viscous flux in R direction for U eqn
14    C     This only calculates interior fluxes and assumes zero
15    C     flux at solid boundaries.  "no-slip" fluxes are added
16    C     as a drag (mom_u_bottomdrag.F).
17    C
18    
19    C     == Global variables ==
20    #include "SIZE.h"
21    #include "EEPARAMS.h"
22    #include "PARAMS.h"
23    #include "GRID.h"
24    
25    C     == Routine arguments ==
26          INTEGER bi,bj,k
27          _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
28          _RL KappaRU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
29          _RL rViscFluxU(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
30          INTEGER myThid
31    
32    C     == Local variables ==
33          INTEGER I,J,Kp1
34    
35          Kp1=min(K+1,Nr)
36    
37    C     - Laplacian  and bi-harmonic terms
38          DO j=1-Oly,sNy+Oly-1
39           DO i=1-Olx,sNx+Olx-1
40            rViscFluxU(i,j) =
41         &   -KappaRU(i,j,kp1)
42         &   *rAw(i,j,bi,bj)
43         &   *( uFld(i,j,k,bi,bj)-uFld(i,j,kp1,bi,bj)
44         &    )*rkFac*recip_drC(kp1)
45         &    *_maskW(i,j,kp1,bi,bj)
46           ENDDO
47          ENDDO
48    
49          RETURN
50          END
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