| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/mom_fluxform/mom_v_del2v.F,v 1.9 2011/05/03 19:50:30 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "MOM_FLUXFORM_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: MOM_V_DEL2V |
| 8 |
|
| 9 |
C !INTERFACE: ========================================================== |
| 10 |
SUBROUTINE MOM_V_DEL2V( |
| 11 |
I bi, bj, k, |
| 12 |
I vFld, hFacZ, h0FacZ, |
| 13 |
O del2v, |
| 14 |
I myThid ) |
| 15 |
|
| 16 |
C !DESCRIPTION: |
| 17 |
C Calculates the Laplacian of meridional flow |
| 18 |
|
| 19 |
C !USES: =============================================================== |
| 20 |
IMPLICIT NONE |
| 21 |
#include "SIZE.h" |
| 22 |
#include "EEPARAMS.h" |
| 23 |
#include "PARAMS.h" |
| 24 |
#include "GRID.h" |
| 25 |
#include "SURFACE.h" |
| 26 |
|
| 27 |
C !INPUT PARAMETERS: =================================================== |
| 28 |
C bi,bj :: tile indices |
| 29 |
C k :: vertical level |
| 30 |
C vFld :: meridional flow |
| 31 |
C hFacZ :: fractional thickness at vorticity points |
| 32 |
C h0FacZ :: fixed fractional thickness at vorticity points |
| 33 |
C myThid :: my Thread Id number |
| 34 |
INTEGER bi, bj, k |
| 35 |
_RL vFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 36 |
_RS hFacZ (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 37 |
_RS h0FacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 38 |
INTEGER myThid |
| 39 |
C !OUTPUT PARAMETERS: ================================================== |
| 40 |
C del2v :: Laplacian |
| 41 |
_RL del2v(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 42 |
|
| 43 |
C !LOCAL VARIABLES: ==================================================== |
| 44 |
C i,j :: loop indices |
| 45 |
INTEGER I,J |
| 46 |
_RL fZon(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 47 |
_RL fMer(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 48 |
_RS hFacZClosedE, hFacZClosedW |
| 49 |
CEOP |
| 50 |
|
| 51 |
C Zonal flux d/dx V |
| 52 |
DO j=1-OLy+1,sNy+OLy-1 |
| 53 |
DO i=1-OLx+1,sNx+OLx |
| 54 |
fZon(i,j) = drF(k)*hFacZ(i,j) |
| 55 |
& *_dyU(i,j,bi,bj) |
| 56 |
& *_recip_dxV(i,j,bi,bj) |
| 57 |
& *(vFld(i,j)-vFld(i-1,j)) |
| 58 |
#ifdef COSINEMETH_III |
| 59 |
& *sqCosFacV(J,bi,bj) |
| 60 |
#endif |
| 61 |
c & *deepFacC(k) ! dyU scaling factor |
| 62 |
c & *recip_deepFacC(k) ! recip_dxV scaling factor |
| 63 |
ENDDO |
| 64 |
ENDDO |
| 65 |
|
| 66 |
C Meridional flux d/dy V |
| 67 |
DO j=1-OLy,sNy+OLy-1 |
| 68 |
DO i=1-OLx+1,sNx+OLx-1 |
| 69 |
fMer(i,j) = drF(k)*_hFacC(i,j,k,bi,bj) |
| 70 |
& *_dxF(i,j,bi,bj) |
| 71 |
& *_recip_dyF(i,j,bi,bj) |
| 72 |
& *(vFld(i,j+1)-vFld(i,j)) |
| 73 |
#if (defined (ISOTROPIC_COS_SCALING) && defined (COSINEMETH_III)) |
| 74 |
& *sqCosFacU(J,bi,bj) |
| 75 |
#endif |
| 76 |
#ifdef ALLOW_OBCS |
| 77 |
& *maskInC(i,j,bi,bj) |
| 78 |
#endif |
| 79 |
c & *deepFacC(k) ! dxF scaling factor |
| 80 |
c & *recip_deepFacC(k) ! recip_dyF scaling factor |
| 81 |
ENDDO |
| 82 |
ENDDO |
| 83 |
|
| 84 |
C del^2 V |
| 85 |
DO j=1-OLy+1,sNy+OLy-1 |
| 86 |
DO i=1-OLx+1,sNx+OLx-1 |
| 87 |
del2v(i,j) = |
| 88 |
& recip_drF(k)*_recip_hFacS(i,j,k,bi,bj) |
| 89 |
& *recip_rAs(i,j,bi,bj)*recip_deepFac2C(k) |
| 90 |
& *( fZon(i+1,j) - fZon(i, j ) |
| 91 |
& +fMer( i ,j) - fMer(i,j-1) |
| 92 |
& )*_maskS(i,j,k,bi,bj) |
| 93 |
#ifdef ALLOW_OBCS |
| 94 |
& *maskInS(i,j,bi,bj) |
| 95 |
#endif |
| 96 |
ENDDO |
| 97 |
ENDDO |
| 98 |
|
| 99 |
IF (no_slip_sides) THEN |
| 100 |
C-- No-slip BCs impose a drag at walls... |
| 101 |
DO j=1-OLy+1,sNy+OLy-1 |
| 102 |
DO i=1-OLx+1,sNx+OLx-1 |
| 103 |
#ifdef NONLIN_FRSURF |
| 104 |
hFacZClosedW = h0FacS(i,j,k,bi,bj) - h0FacZ(i,j) |
| 105 |
hFacZClosedE = h0FacS(i,j,k,bi,bj) - h0FacZ(i+1,j) |
| 106 |
#else |
| 107 |
hFacZClosedW = _hFacS(i,j,k,bi,bj) - h0FacZ(i,j) |
| 108 |
hFacZClosedE = _hFacS(i,j,k,bi,bj) - h0FacZ(i+1,j) |
| 109 |
#endif |
| 110 |
del2v(i,j) = del2v(i,j) |
| 111 |
& -_recip_hFacS(i,j,k,bi,bj) |
| 112 |
& *recip_rAs(i,j,bi,bj)*recip_deepFac2C(k) |
| 113 |
& *( hFacZClosedW*dyU( i ,j,bi,bj) |
| 114 |
& *_recip_dxV( i ,j,bi,bj) |
| 115 |
& +hFacZClosedE*dyU(i+1,j,bi,bj) |
| 116 |
& *_recip_dxV(i+1,j,bi,bj) |
| 117 |
& )*vFld(i,j)*sideDragFactor |
| 118 |
& *_maskS(i,j,k,bi,bj) |
| 119 |
ENDDO |
| 120 |
ENDDO |
| 121 |
ENDIF |
| 122 |
|
| 123 |
RETURN |
| 124 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph