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adcroft |
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C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_fluxform/Attic/mom_v_del2v.F,v 1.1.2.1 2001/03/28 19:51:14 adcroft Exp $ |
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C $Name: pre38-close $ |
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#include "CPP_OPTIONS.h" |
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SUBROUTINE MOM_V_DEL2V( |
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I bi,bj,k, |
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I vFld, hFacZ, |
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O del2v, |
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I myThid) |
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IMPLICIT NONE |
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C |
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C Calculate horizontal del^2 of vFld |
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C - is not vector invariant ... |
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C |
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C == Global variables == |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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C == Routine arguments == |
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INTEGER bi,bj,k |
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_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL del2v(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER myThid |
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C == Local variables == |
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INTEGER I,J |
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_RL fZon(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL fMer(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS hFacZClosedE,hFacZClosedW |
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C Zonal flux d/dx V |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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fZon(i,j) = drF(k)*hFacZ(i,j) |
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& *_dyU(i,j,bi,bj) |
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& *_recip_dxV(i,j,bi,bj) |
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& *(vFld(i,j)-vFld(i-1,j)) |
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#ifdef COSINEMETH_III |
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& *sqcosFacV(J,bi,bj) |
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#endif |
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ENDDO |
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ENDDO |
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C Meridional flux d/dy V |
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DO j=1-Oly,sNy+Oly-1 |
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DO i=1-Olx,sNx+Olx |
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fMer(i,j) = drF(k)*_hFacC(i,j,k,bi,bj) |
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& *_dxF(i,j,bi,bj) |
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& *_recip_dyF(i,j,bi,bj) |
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& *(vFld(i,j+1)-vFld(i,j)) |
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ENDDO |
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ENDDO |
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C del^2 U |
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DO j=0,sNy+2 |
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DO i=0,sNx+1 |
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del2v(i,j) = recip_drF(k)*_recip_hFacS(i,j,k,bi,bj) |
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& *recip_rAs(i,j,bi,bj) |
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& *( fZon(i+1,j) - fZon(i, j ) |
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& +fMer( i ,j) - fMer(i,j-1) |
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& )*_maskS(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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IF (no_slip_sides) THEN |
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C-- No-slip BCs impose a drag at walls... |
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DO j=0,sNy+2 |
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DO i=0,sNx+1 |
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hFacZClosedW = _hFacS(i,j,k,bi,bj) - hFacZ(i,j) |
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hFacZClosedE = _hFacS(i,j,k,bi,bj) - hFacZ(i+1,j) |
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del2v(i,j) = del2v(i,j) |
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& -_recip_hFacS(i,j,k,bi,bj)*recip_drF(k) |
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& *recip_rAs(i,j,bi,bj) |
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& *( hFacZClosedW*dyU( i ,j,bi,bj) |
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& *_recip_dxV( i ,j,bi,bj) |
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& +hFacZClosedE*dyU(i+1,j,bi,bj) |
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& *_recip_dxV(i+1,j,bi,bj) |
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& )*drF(k)*2.*vFld(i,j) |
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& *_maskS(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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RETURN |
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END |
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