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baylor |
1.5 |
C $Header: /u/gcmpack/MITgcm/pkg/mom_fluxform/mom_v_xviscflux.F,v 1.4 2003/10/09 04:19:20 edhill Exp $ |
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adcroft |
1.3 |
C $Name: $ |
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adcroft |
1.2 |
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edhill |
1.4 |
#include "MOM_FLUXFORM_OPTIONS.h" |
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adcroft |
1.2 |
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adcroft |
1.3 |
CBOP |
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C !ROUTINE: MOM_V_XVISCFLUX |
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C !INTERFACE: ========================================================== |
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adcroft |
1.2 |
SUBROUTINE MOM_V_XVISCFLUX( |
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I bi,bj,k, |
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I vFld, del2v, hFacZ, |
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O xViscFluxV, |
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baylor |
1.5 |
I viscAh_Z,viscAh_D,viscA4_Z,viscA4_D, |
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adcroft |
1.2 |
I myThid) |
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adcroft |
1.3 |
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C !DESCRIPTION: |
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C Calculates the area integrated zonal viscous fluxes of V: |
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C \begin{equation*} |
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C F^x = - \frac{ \Delta x_u \Delta r_f h_z }{\Delta x_v} |
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C ( A_h \delta_i v - A_4 \delta_i \nabla^2 v ) |
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C \end{equation*} |
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C !USES: =============================================================== |
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adcroft |
1.2 |
IMPLICIT NONE |
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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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adcroft |
1.3 |
C !INPUT PARAMETERS: =================================================== |
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C bi,bj :: tile indices |
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C k :: vertical level |
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C vFld :: meridional flow |
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C del2v :: Laplacian of meridional flow |
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C myThid :: thread number |
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adcroft |
1.2 |
INTEGER bi,bj,k |
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_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL del2v(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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baylor |
1.5 |
_RL viscAh_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL viscAh_D(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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_RL viscA4_D(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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adcroft |
1.3 |
INTEGER myThid |
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C !OUTPUT PARAMETERS: ================================================== |
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C xViscFluxU :: viscous fluxes |
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adcroft |
1.2 |
_RL xViscFluxV(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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adcroft |
1.3 |
C !LOCAL VARIABLES: ==================================================== |
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C i,j :: loop indices |
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adcroft |
1.2 |
INTEGER I,J |
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adcroft |
1.3 |
CEOP |
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adcroft |
1.2 |
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C - Laplacian and bi-harmonic terms |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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xViscFluxV(i,j) = |
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& _dyU(i,j,bi,bj)*drF(k)*hFacZ(i,j) |
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& *( |
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baylor |
1.5 |
& -viscAh_Z(i,j)*(vFld(i,j)-vFld(i-1,j)) |
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adcroft |
1.2 |
& *cosFacV(J,bi,bj) |
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baylor |
1.5 |
& +viscA4_Z(i,j)*(del2v(i,j) -del2v(i-1,j) ) |
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adcroft |
1.2 |
#ifdef COSINEMETH_III |
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& *sqcosFacV(J,bi,bj) |
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#else |
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& *cosFacV(J,bi,bj) |
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#endif |
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& )*_recip_dxV(i,j,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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