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SUBROUTINE MOM_V_SIDEDRAG( |
SUBROUTINE MOM_V_SIDEDRAG( |
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I bi,bj,k, |
I bi,bj,k, |
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I vFld, del2v, hFacZ, |
I vFld, del2v, hFacZ, |
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I viscAh_Z,viscA4_Z, |
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I harmonic,biharmonic,useVariableViscosity, |
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O vDragTerms, |
O vDragTerms, |
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I myThid) |
I myThid) |
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_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL del2v(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL del2v(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL viscAh_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL viscA4_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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LOGICAL harmonic,biharmonic,useVariableViscosity |
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INTEGER myThid |
INTEGER myThid |
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C !OUTPUT PARAMETERS: ================================================== |
C !OUTPUT PARAMETERS: ================================================== |
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C hFacZClosedW :: fractional open water to west |
C hFacZClosedW :: fractional open water to west |
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INTEGER I,J |
INTEGER I,J |
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_RS hFacZClosedE,hFacZClosedW |
_RS hFacZClosedE,hFacZClosedW |
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_RL Ahtmp,A4tmp |
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CEOP |
CEOP |
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C - Laplacian and bi-harmonic terms |
C - Laplacian and bi-harmonic terms |
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DO i=1-Olx,sNx+Olx-1 |
DO i=1-Olx,sNx+Olx-1 |
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hFacZClosedW = _hFacS(i,j,k,bi,bj) - hFacZ(i,j) |
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) |
hFacZClosedE = _hFacS(i,j,k,bi,bj) - hFacZ(i+1,j) |
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Ahtmp=min(viscAh+viscAhGrid*rAs(i,j,bi,bj)/deltaTmom, |
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& viscAhMax) |
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A4tmp=min(viscA4+viscA4Grid*(rAs(i,j,bi,bj)**2)/deltaTmom, |
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& viscA4Max) |
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IF (viscA4GridMax.GT.0.) THEN |
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A4tmp=min(A4tmp,viscA4GridMax*(rAw(i,j,bi,bj)**2)/deltaTmom) |
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ENDIF |
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A4tmp=max(A4tmp,viscA4GridMin*(rAw(i,j,bi,bj)**2)/deltaTmom) |
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vDragTerms(i,j) = |
vDragTerms(i,j) = |
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& -_recip_hFacS(i,j,k,bi,bj) |
& -_recip_hFacS(i,j,k,bi,bj) |
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& *recip_drF(k)*recip_rAs(i,j,bi,bj) |
& *recip_drF(k)*recip_rAs(i,j,bi,bj) |
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& *( hFacZClosedW*_dyU( i ,j,bi,bj) |
& *( hFacZClosedW*_dyU( i ,j,bi,bj)*_recip_dxV( i ,j,bi,bj) |
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& *_recip_dxV( i ,j,bi,bj) |
#ifdef ISOTROPIC_COS_SCALING |
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& +hFacZClosedE*_dyU(i+1,j,bi,bj) |
& *(viscAh_Z(i ,j)*vFld(i,j)*cosFacV(J,bi,bj) |
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& *_recip_dxV(i+1,j,bi,bj) ) |
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& *drF(k)*2.*( |
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& Ahtmp*vFld(i,j)*cosFacV(J,bi,bj) |
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& -A4tmp*del2v(i,j)*cosFacV(J,bi,bj) |
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#ifdef COSINEMETH_III |
#ifdef COSINEMETH_III |
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& -viscA4*del2v(i,j)*sqcosFacV(J,bi,bj) |
& -viscA4_Z(i ,j)*del2v(i,j)*sqcosFacV(J,bi,bj)) |
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#else |
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& -viscA4_Z(i ,j)*del2v(i,j)*cosFacV(J,bi,bj)) |
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#endif |
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#else |
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& *(viscAh_Z(i ,j)*vFld(i,j) |
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& -viscA4_Z(i ,j)*del2v(i,j)) |
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#endif |
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& +hFacZClosedE*_dyU(i+1,j,bi,bj)*_recip_dxV(i+1,j,bi,bj) |
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#ifdef ISOTROPIC_COS_SCALING |
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& *(viscAh_Z(i+1,j)*vFld(i,j)*cosFacV(J,bi,bj) |
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#ifdef COSINEMETH_III |
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& -viscA4_Z(i+1,j)*del2v(i,j)*sqcosFacV(J,bi,bj)) |
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#else |
#else |
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& -viscA4*del2v(i,j)*cosFacV(J,bi,bj) |
& -viscA4_Z(i+1,j)*del2v(i,j)*cosFacV(J,bi,bj)) |
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#endif |
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#else |
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& *(viscAh_Z(i+1,j)*vFld(i,j) |
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& -viscA4_Z(i+1,j)*del2v(i,j)) |
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#endif |
#endif |
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& ) |
& ) |
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& *drF(k)*2. |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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RETURN |
RETURN |
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END |
END |
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