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C $Header$ |
C $Header$ |
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C $Name$ |
C $Name$ |
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#include "CPP_OPTIONS.h" |
#include "MOM_VECINV_OPTIONS.h" |
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SUBROUTINE MOM_VI_V_VERTSHEAR( |
SUBROUTINE MOM_VI_V_VERTSHEAR( |
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I bi,bj,K, |
I bi,bj,K, |
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I vFld,wFld, |
I vFld,wFld, |
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U vShearTerm, |
U vShearTerm, |
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I myThid) |
I myThid) |
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IMPLICIT NONE |
IMPLICIT NONE |
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C /==========================================================\ |
C *==========================================================* |
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C | S/R MOM_V_VERTSHEAR | |
C | S/R MOM_V_VERTSHEAR |
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C |==========================================================| |
C *==========================================================* |
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C \==========================================================/ |
C *==========================================================* |
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C == Global variables == |
C == Global variables == |
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#include "SIZE.h" |
#include "SIZE.h" |
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C == Local variables == |
C == Local variables == |
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INTEGER I,J,Kp1,Km1 |
INTEGER I,J,Kp1,Km1 |
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_RL mask_Kp1,mask_Km1,wBarYm,wBarYp |
_RL mask_Kp1,mask_Km1,wBarYm,wBarYp |
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_RL vZm,vZp,vmask_Kp1,vmask_K,vmask_Km1 |
_RL vZm,vZp |
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LOGICAL freeslipK,noslipK |
LOGICAL rAdvAreaWeight |
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PARAMETER(freeslipK=.TRUE.) |
c _RL vmask_Kp1,vmask_K,vmask_Km1 |
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PARAMETER(noslipK=.NOT.freeslipK) |
c LOGICAL freeslipK,noslipK |
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LOGICAL freeslip1,noslip1 |
c PARAMETER(freeslipK=.TRUE.) |
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PARAMETER(freeslip1=.TRUE.) |
c PARAMETER(noslipK=.NOT.freeslipK) |
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PARAMETER(noslip1=.NOT.freeslip1) |
c LOGICAL freeslip1,noslip1 |
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c PARAMETER(freeslip1=.TRUE.) |
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c PARAMETER(noslip1=.NOT.freeslip1) |
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c1 _RL wBarYZ,vZbarZ |
c1 _RL wBarYZ,vZbarZ |
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c1 LOGICAL upwindShear |
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c1 PARAMETER(upwindShear=.FALSE.) |
rAdvAreaWeight =.TRUE. |
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C- Area-weighted average either in KE or in vert. advection: |
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IF ( selectKEscheme.EQ.1 .OR. selectKEscheme.EQ.3 ) |
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& rAdvAreaWeight =.FALSE. |
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Kp1=min(K+1,Nr) |
Kp1=min(K+1,Nr) |
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mask_Kp1=1. |
mask_Kp1=1. |
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c wBarYp=0.5*(wFld(I,J,Kp1,bi,bj)+wFld(I,J-1,Kp1,bi,bj)) |
c wBarYp=0.5*(wFld(I,J,Kp1,bi,bj)+wFld(I,J-1,Kp1,bi,bj)) |
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c & *mask_Kp1 |
c & *mask_Kp1 |
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C Transport at interface k |
IF ( rAdvAreaWeight ) THEN |
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C Transport at interface k : Area weighted average |
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wBarYm=0.5*( |
wBarYm=0.5*( |
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& wFld(I,J,K,bi,bj)*rA(i,j,bi,bj)*maskC(i,j,Km1,bi,bj) |
& wFld(I,J,K,bi,bj)*rA(i,j,bi,bj)*maskC(i,j,Km1,bi,bj) |
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& +wFld(I,J-1,K,bi,bj)*rA(i,j-1,bi,bj)*maskC(i,j-1,Km1,bi,bj) |
& +wFld(I,J-1,K,bi,bj)*rA(i,j-1,bi,bj)*maskC(i,j-1,Km1,bi,bj) |
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& )*mask_Km1 |
& )*mask_Km1 |
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& *recip_rAs(i,j,bi,bj) |
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C Transport at interface k+1 (here wFld is already masked) |
C Transport at interface k+1 (here wFld is already masked) |
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wBarYp=0.5*( |
wBarYp=0.5*( |
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& wFld(I,J,Kp1,bi,bj)*rA(i,j,bi,bj) |
& wFld(I,J,Kp1,bi,bj)*rA(i,j,bi,bj) |
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& +wFld(I,J-1,Kp1,bi,bj)*rA(i,j-1,bi,bj) |
& +wFld(I,J-1,Kp1,bi,bj)*rA(i,j-1,bi,bj) |
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& )*mask_Kp1 |
& )*mask_Kp1 |
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& *recip_rAs(i,j,bi,bj) |
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ELSE |
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C Transport at interface k : simple average |
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wBarYm=0.5*( |
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& wFld(I,J,K,bi,bj)*maskC(i,j,Km1,bi,bj) |
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& +wFld(I,J-1,K,bi,bj)*maskC(i,j-1,Km1,bi,bj) |
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& )*mask_Km1 |
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C Transport at interface k+1 (here wFld is already masked) |
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wBarYp=0.5*( |
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& wFld(I,J,Kp1,bi,bj) |
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& +wFld(I,J-1,Kp1,bi,bj) |
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& )*mask_Kp1 |
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ENDIF |
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C delta_Z( V ) @ interface k |
C delta_Z( V ) @ interface k |
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c vmask_Km1=mask_Km1*maskS(i,j,Km1,bi,bj) |
c vmask_Km1=mask_Km1*maskS(i,j,Km1,bi,bj) |
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vZm=(mask_Km1*vFld(I,J,Km1,bi,bj)-vFld(I,J,K,bi,bj)) |
vZm=(vFld(I,J,K,bi,bj)-mask_Km1*vFld(I,J,Km1,bi,bj))*rkSign |
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c2 & *recip_dRC(K) |
c2 & *recip_dRC(K) |
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c IF (freeslip1) vZm=vZm*vmask_Km1 |
c IF (freeslip1) vZm=vZm*vmask_Km1 |
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c IF (noslip1.AND.vmask_Km1.EQ.0.) vZm=vZm*2. |
c IF (noslip1.AND.vmask_Km1.EQ.0.) vZm=vZm*2. |
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C delta_Z( V ) @ interface k+1 |
C delta_Z( V ) @ interface k+1 |
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c vmask_Kp1=mask_Kp1*maskS(i,j,Kp1,bi,bj) |
c vmask_Kp1=mask_Kp1*maskS(i,j,Kp1,bi,bj) |
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vZp=(vFld(I,J,K,bi,bj)-mask_Kp1*vFld(I,J,Kp1,bi,bj)) |
vZp=(mask_Kp1*vFld(I,J,Kp1,bi,bj)-vFld(I,J,K,bi,bj))*rkSign |
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c2 & *recip_dRC(Kp1) |
c2 & *recip_dRC(Kp1) |
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c IF (freeslipK) vZp=vZp*vmask_Kp1 |
c IF (freeslipK) vZp=vZp*vmask_Kp1 |
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c IF (noslipK.AND.vmask_Kp1.EQ.0.) vZp=vZp*2. |
c IF (noslipK.AND.vmask_Kp1.EQ.0.) vZp=vZp*2. |
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c2 vShearTerm(I,J)=-0.5*(wBarYp*vZp+wBarYm*vZm) |
c2 vShearTerm(I,J)=-0.5*(wBarYp*vZp+wBarYm*vZm) |
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c2 & *_maskS(I,J,K,bi,bj) |
c2 & *_maskS(I,J,K,bi,bj) |
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vShearTerm(I,J)=-0.5*(wBarYp*vZp+wBarYm*vZm) |
IF (upwindShear) THEN |
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& *recip_ras(i,j,bi,bj) |
vShearTerm(I,J)=-0.5* |
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& *recip_hFacS(i,j,k,bi,bj) |
& ( (wBarYp*vZp+wBarYm*vZm) |
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& *recip_dRF(K) |
& +(ABS(wBarYp)*vZp-ABS(wBarYm)*vZm) |
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& )*_recip_hFacS(i,j,k,bi,bj) |
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& * recip_drF(K) |
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c3 & * recip_rAs(i,j,bi,bj) |
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ELSE |
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vShearTerm(I,J)=-0.5*(wBarYp*vZp+wBarYm*vZm) |
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& *_recip_hFacS(i,j,k,bi,bj) |
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& * recip_drF(K) |
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c3 & * recip_rAs(i,j,bi,bj) |
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ENDIF |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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