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C $Header: /u/u0/gcmpack/MITgcm/pkg/mom_vecinv/mom_vi_u_yviscflux.F,v 1.3 2001/08/16 20:18:08 adcroft Exp $ |
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C $Name: $ |
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#include "CPP_OPTIONS.h" |
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SUBROUTINE MOM_VI_U_YVISCFLUX( |
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I bi,bj,k, |
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I vort3,del2u,hFacZ, |
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O yViscFluxU, |
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I myThid) |
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IMPLICIT NONE |
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C |
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C Calculate viscous flux in Y direction for U eqn |
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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 vort3(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL del2u(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 yViscFluxU(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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C - Laplacian and bi-harmonic terms |
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DO j=1-Oly+1,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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yViscFluxU(i,j) = |
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& _dxV(i,j,bi,bj)*drF(k)*hFacZ(i,j) |
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& *(-viscAh*(-vort3(i,j)) |
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#ifdef ISOTROPIC_COS_SCALING |
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& *cosFacV(J,bi,bj) |
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#ifdef COSINEMETH_III |
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& +viscA4*(del2u(i,j)-del2u(i,j-1))*sqcosFacV(J,bi,bj) |
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#else |
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& +viscA4*(del2u(i,j)-del2u(i,j-1))*cosFacV(J,bi,bj) |
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#endif |
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& *recip_dyu(i,j,bi,bj) |
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#endif |
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& ) |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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