/[MITgcm]/MITgcm/pkg/mom_fluxform/mom_u_del2u.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_DEL2U
8    
9    C !INTERFACE: ==========================================================
10        SUBROUTINE MOM_U_DEL2U(        SUBROUTINE MOM_U_DEL2U(
11       I        bi,bj,k,       I        bi,bj,k,
12       I        uFld, hFacZ,       I        uFld, hFacZ,
13       O        del2u,       O        del2u,
14       I        myThid)       I        myThid)
       IMPLICIT NONE  
 C  
 C     Calculate horizontal del^2 of uFld  
 C       - is not vector invariant ...  
 C  
15    
16  C     == Global variables ==  C !DESCRIPTION:
17    C Calculates the Laplacian of zonal flow
18    
19    C !USES: ===============================================================
20          IMPLICIT NONE
21  #include "SIZE.h"  #include "SIZE.h"
22  #include "EEPARAMS.h"  #include "EEPARAMS.h"
23  #include "PARAMS.h"  #include "PARAMS.h"
24  #include "GRID.h"  #include "GRID.h"
25  #include "DYNVARS.h"  #include "DYNVARS.h"
26    
27  C     == Routine arguments ==  C !INPUT PARAMETERS: ===================================================
28    C  bi,bj                :: tile indices
29    C  k                    :: vertical level
30    C  uFld                 :: zonal flow
31    C  hFacZ                :: fractional thickness at vorticity points
32    C  myThid               :: thread number
33        INTEGER bi,bj,k        INTEGER bi,bj,k
34        _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
35        _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
       _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)  
36        INTEGER myThid        INTEGER myThid
37    
38  C     == Local variables ==  C !OUTPUT PARAMETERS: ==================================================
39    C  del2u                :: Laplacian
40          _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
41    
42    C !LOCAL VARIABLES: ====================================================
43    C  i,j                  :: loop indices
44        INTEGER I,J        INTEGER I,J
45        _RL fZon(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL fZon(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
46        _RL fMer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL fMer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
47        _RS hFacZClosedS,hFacZClosedN        _RS hFacZClosedS,hFacZClosedN
48    CEOP
49    
50  C     Zonal flux d/dx U  C     Zonal flux d/dx U
51        DO j=1-Oly,sNy+Oly        DO j=1-Oly,sNy+Oly
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