/[MITgcm]/MITgcm/pkg/mom_fluxform/mom_v_del2v.F
ViewVC logotype

Diff of /MITgcm/pkg/mom_fluxform/mom_v_del2v.F

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

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_V_DEL2V(
7         I        bi,bj,k,
8         I        vFld, hFacZ,
9         O        del2v,
10         I        myThid)
11          IMPLICIT NONE
12    C
13    C     Calculate horizontal del^2 of vFld
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 vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
26          _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
27          _RL del2v(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
28          INTEGER myThid
29    
30    C     == Local variables ==
31          INTEGER I,J
32          _RL fZon(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
33          _RL fMer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
34          _RS hFacZClosedE,hFacZClosedW
35    
36    C     Zonal flux d/dx V
37          DO j=1-Oly,sNy+Oly
38           DO i=1-Olx+1,sNx+Olx
39            fZon(i,j) = drF(k)*hFacZ(i,j)
40         &   *_dyU(i,j,bi,bj)
41         &   *_recip_dxV(i,j,bi,bj)
42         &   *(vFld(i,j)-vFld(i-1,j))
43    #ifdef COSINEMETH_III
44         &   *sqcosFacV(J,bi,bj)
45    #endif
46           ENDDO
47          ENDDO
48    
49    C     Meridional flux d/dy V
50          DO j=1-Oly,sNy+Oly-1
51           DO i=1-Olx,sNx+Olx
52            fMer(i,j) = drF(k)*_hFacC(i,j,k,bi,bj)
53         &   *_dxF(i,j,bi,bj)
54         &   *_recip_dyF(i,j,bi,bj)
55         &   *(vFld(i,j+1)-vFld(i,j))
56           ENDDO
57          ENDDO
58    
59    C     del^2 U
60          DO j=0,sNy+2
61           DO i=0,sNx+1
62            del2v(i,j) = recip_drF(k)*_recip_hFacS(i,j,k,bi,bj)
63         &  *recip_rAs(i,j,bi,bj)
64         &  *( fZon(i+1,j)    - fZon(i, j )
65         &    +fMer( i ,j)    - fMer(i,j-1)
66         &   )*_maskS(i,j,k,bi,bj)
67           ENDDO
68          ENDDO
69    
70          IF (no_slip_sides) THEN
71    C-- No-slip BCs impose a drag at walls...
72          DO j=0,sNy+2
73           DO i=0,sNx+1
74            hFacZClosedW = _hFacS(i,j,k,bi,bj) - hFacZ(i,j)
75            hFacZClosedE = _hFacS(i,j,k,bi,bj) - hFacZ(i+1,j)
76            del2v(i,j) = del2v(i,j)
77         &  -_recip_hFacS(i,j,k,bi,bj)*recip_drF(k)
78         &  *recip_rAs(i,j,bi,bj)
79         &   *( hFacZClosedW*dyU( i ,j,bi,bj)
80         &      *_recip_dxV( i ,j,bi,bj)
81         &     +hFacZClosedE*dyU(i+1,j,bi,bj)
82         &      *_recip_dxV(i+1,j,bi,bj)
83         &    )*drF(k)*2.*vFld(i,j)
84         &      *_maskS(i,j,k,bi,bj)
85           ENDDO
86          ENDDO
87          ENDIF
88    
89          RETURN
90          END
Legend:
Removed from v.1.1  
changed lines
  Added in v.1.2
  ViewVC Help
Powered by ViewVC 1.1.22