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adcroft |
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C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_vecinv/Attic/mom_vi_u_coriolis.F,v 1.1.2.2 2001/04/02 17:07:57 adcroft Exp $ |
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C $Name: pre38-close $ |
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#include "CPP_OPTIONS.h" |
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SUBROUTINE MOM_VI_U_CORIOLIS( |
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I bi,bj,K, |
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I vFld,omega3,r_hFacZ, |
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O uCoriolisTerm, |
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I myThid) |
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IMPLICIT NONE |
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C /==========================================================\ |
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C | S/R MOM_VI_U_CORIOLIS | |
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C |==========================================================| |
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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 "GRID.h" |
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#include "PARAMS.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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_RL omega3(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS r_hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL uCoriolisTerm(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 vBarXY,vort3u |
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LOGICAL upwindVort3 |
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upwindVort3=.FALSE. |
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DO J=1-Oly,sNy+Oly-1 |
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DO I=2-Olx,sNx+Olx |
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vBarXY=0.25*( |
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& vFld( i , j )*dxG( i , j ,bi,bj)*hFacS( i , j ,k,bi,bj) |
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& +vFld( i ,j+1)*dxG( i ,j+1,bi,bj)*hFacS( i ,j+1,k,bi,bj) |
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& +vFld(i-1, j )*dxG(i-1, j ,bi,bj)*hFacS(i-1, j ,k,bi,bj) |
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& +vFld(i-1,j+1)*dxG(i-1,j+1,bi,bj)*hFacS(i-1,j+1,k,bi,bj)) |
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c vBarXY=0.25*(vFld( i ,j)+vFld( i ,j+1) |
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c & +vFld(i-1,j)+vFld(i-1,j+1)) |
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IF (upwindVort3) THEN |
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IF (vBarXY.GT.0.) THEN |
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vort3u=omega3(I,J)*r_hFacZ(i,j) |
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ELSE |
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vort3u=omega3(I,J+1)*r_hFacZ(i,j+1) |
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ENDIF |
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ELSE |
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vort3u=0.5*(omega3(i,j)*r_hFacZ(i,j) |
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& +omega3(i,j+1)*r_hFacZ(i,j+1)) |
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ENDIF |
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uCoriolisTerm(i,j)= |
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C high order vorticity advection term |
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& +vort3u*vBarXY*recip_dxc(i,j,bi,bj) |
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C linear Coriolis term |
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c & +0.5*(fCoriG(I,J,bi,bj)+fCoriG(I,J+1,bi,bj))*vBarXY |
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C full nonlinear Coriolis term |
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c & +0.5*(omega3(I,J)+omega3(I,J+1))*vBarXY |
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C correct energy conserving form of Coriolis term |
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c & +0.5*( fCori(I ,J,bi,bj)*vBarY(I ,J,K,bi,bj) + |
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c & fCori(I-1,J,bi,bj)*vBarY(I-1,J,K,bi,bj) ) |
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C original form of Coriolis term (copied from calc_mom_rhs) |
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c & +0.5*(fCori(i,j,bi,bj)+fCori(i-1,j,bi,bj))*vBarXY |
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& *_maskW(I,J,K,bi,bj) |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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