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adcroft |
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C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_fluxform/Attic/mom_u_xviscflux.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_U_XVISCFLUX( |
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I bi,bj,k, |
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I uFld, del2u, |
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O xViscFluxU, |
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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 X 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 uFld(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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_RL xViscFluxU(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,sNy+Oly-1 |
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DO i=1-Olx,sNx+Olx-1 |
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xViscFluxU(i,j) = |
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& _dyF(i,j,bi,bj)*drF(k)*_hFacC(i,j,k,bi,bj) |
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& *( |
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& -viscAh*(uFld(i+1,j)-uFld(i,j)) |
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& *cosFacU(J,bi,bj) |
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& +viscA4*(del2u(i+1,j) -del2u(i,j) ) |
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#ifdef COSINEMETH_III |
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& *sqcosFacU(J,bi,bj) |
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#else |
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& *cosFacU(J,bi,bj) |
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#endif |
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& )*_recip_dxF(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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RETURN |
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END |