/[MITgcm]/MITgcm/pkg/mom_fluxform/mom_u_xviscflux.F
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revision 1.2 by adcroft, Tue May 29 14:01:38 2001 UTC revision 1.3 by adcroft, Wed Sep 26 19:05:21 2001 UTC
# Line 3  C $Name$ Line 3  C $Name$
3    
4  #include "CPP_OPTIONS.h"  #include "CPP_OPTIONS.h"
5    
6    CBOP
7    C !ROUTINE: MOM_U_XVISCFLUX
8    
9    C !INTERFACE: ==========================================================
10        SUBROUTINE MOM_U_XVISCFLUX(        SUBROUTINE MOM_U_XVISCFLUX(
11       I        bi,bj,k,       I        bi,bj,k,
12       I        uFld, del2u,       I        uFld, del2u,
13       O        xViscFluxU,       O        xViscFluxU,
14       I        myThid)       I        myThid)
       IMPLICIT NONE  
 C  
 C     Calculate viscous flux in X direction for U eqn  
 C       - is not vector invariant ...  
 C  
15    
16  C     == Global variables ==  C !DESCRIPTION:
17    C Calculates the area integrated zonal viscous fluxes of U:
18    C \begin{equation*}
19    C F^x = - \frac{ \Delta y_f \Delta r_f h_c }{\Delta x_f}
20    C  ( A_h \delta_i u - A_4 \delta_i \nabla^2 u )
21    C \end{equation*}
22    
23    C !USES: ===============================================================
24          IMPLICIT NONE
25  #include "SIZE.h"  #include "SIZE.h"
26  #include "EEPARAMS.h"  #include "EEPARAMS.h"
27  #include "PARAMS.h"  #include "PARAMS.h"
28  #include "GRID.h"  #include "GRID.h"
29    
30  C     == Routine arguments ==  C !INPUT PARAMETERS: ===================================================
31    C  bi,bj                :: tile indices
32    C  k                    :: vertical level
33    C  uFld                 :: zonal flow
34    C  del2u                :: Laplacian of zonal flow
35    C  myThid               :: thread number
36        INTEGER bi,bj,k        INTEGER bi,bj,k
37        _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
38        _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
       _RL xViscFluxU(1-OLx:sNx+OLx,1-OLy:sNy+OLy)  
39        INTEGER myThid        INTEGER myThid
40    
41  C     == Local variables ==  C !OUTPUT PARAMETERS: ==================================================
42    C  xViscFluxU           :: viscous fluxes
43          _RL xViscFluxU(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
44    
45    C !LOCAL VARIABLES: ====================================================
46    C  i,j                  :: loop indices
47        INTEGER I,J        INTEGER I,J
48    CEOP
49    
50  C     - Laplacian  and bi-harmonic terms  C     - Laplacian  and bi-harmonic terms
51        DO j=1-Oly,sNy+Oly-1        DO j=1-Oly,sNy+Oly-1
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