/[MITgcm]/MITgcm/pkg/mom_fluxform/mom_u_xviscflux.F
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revision 1.1 by adcroft, Wed Mar 28 19:51:14 2001 UTC revision 1.2 by adcroft, Tue May 29 14:01:38 2001 UTC
# Line 0  Line 1 
1    C $Header$
2    C $Name$
3    
4    #include "CPP_OPTIONS.h"
5    
6          SUBROUTINE MOM_U_XVISCFLUX(
7         I        bi,bj,k,
8         I        uFld, del2u,
9         O        xViscFluxU,
10         I        myThid)
11          IMPLICIT NONE
12    C
13    C     Calculate viscous flux in X direction for U eqn
14    C       - is not vector invariant ...
15    C
16    
17    C     == Global variables ==
18    #include "SIZE.h"
19    #include "EEPARAMS.h"
20    #include "PARAMS.h"
21    #include "GRID.h"
22    
23    C     == Routine arguments ==
24          INTEGER bi,bj,k
25          _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
26          _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
27          _RL xViscFluxU(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
28          INTEGER myThid
29    
30    C     == Local variables ==
31          INTEGER I,J
32    
33    C     - Laplacian  and bi-harmonic terms
34          DO j=1-Oly,sNy+Oly-1
35           DO i=1-Olx,sNx+Olx-1
36            xViscFluxU(i,j) =
37         &    _dyF(i,j,bi,bj)*drF(k)*_hFacC(i,j,k,bi,bj)
38         &     *(
39         &       -viscAh*(uFld(i+1,j)-uFld(i,j))
40         &       *cosFacU(J,bi,bj)
41         &       +viscA4*(del2u(i+1,j)       -del2u(i,j)       )
42    #ifdef COSINEMETH_III
43         &       *sqcosFacU(J,bi,bj)
44    #else
45         &       *cosFacU(J,bi,bj)
46    #endif
47         &      )*_recip_dxF(i,j,bi,bj)
48           ENDDO
49          ENDDO
50    
51          RETURN
52          END
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