| 1 |
C $Header: /u/u0/gcmpack/MITgcm/pkg/mom_fluxform/mom_v_xviscflux.F,v 1.3 2001/09/26 19:05:21 adcroft Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "CPP_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: MOM_V_XVISCFLUX |
| 8 |
|
| 9 |
C !INTERFACE: ========================================================== |
| 10 |
SUBROUTINE MOM_V_XVISCFLUX( |
| 11 |
I bi,bj,k, |
| 12 |
I vFld, del2v, hFacZ, |
| 13 |
O xViscFluxV, |
| 14 |
I myThid) |
| 15 |
|
| 16 |
C !DESCRIPTION: |
| 17 |
C Calculates the area integrated zonal viscous fluxes of V: |
| 18 |
C \begin{equation*} |
| 19 |
C F^x = - \frac{ \Delta x_u \Delta r_f h_z }{\Delta x_v} |
| 20 |
C ( A_h \delta_i v - A_4 \delta_i \nabla^2 v ) |
| 21 |
C \end{equation*} |
| 22 |
|
| 23 |
C !USES: =============================================================== |
| 24 |
IMPLICIT NONE |
| 25 |
#include "SIZE.h" |
| 26 |
#include "EEPARAMS.h" |
| 27 |
#include "PARAMS.h" |
| 28 |
#include "GRID.h" |
| 29 |
|
| 30 |
C !INPUT PARAMETERS: =================================================== |
| 31 |
C bi,bj :: tile indices |
| 32 |
C k :: vertical level |
| 33 |
C vFld :: meridional flow |
| 34 |
C del2v :: Laplacian of meridional flow |
| 35 |
C myThid :: thread number |
| 36 |
INTEGER bi,bj,k |
| 37 |
_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 38 |
_RL del2v(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 39 |
_RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 40 |
INTEGER myThid |
| 41 |
|
| 42 |
C !OUTPUT PARAMETERS: ================================================== |
| 43 |
C xViscFluxU :: viscous fluxes |
| 44 |
_RL xViscFluxV(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 45 |
|
| 46 |
C !LOCAL VARIABLES: ==================================================== |
| 47 |
C i,j :: loop indices |
| 48 |
INTEGER I,J |
| 49 |
_RS gridScalingA4 |
| 50 |
_RS gridScalingAh |
| 51 |
CEOP |
| 52 |
|
| 53 |
C - Laplacian and bi-harmonic terms |
| 54 |
DO j=1-Oly,sNy+Oly |
| 55 |
DO i=1-Olx+1,sNx+Olx |
| 56 |
gridScalingA4 = (_dxV(i,j,bi,bj)**4)/(5000.**4) |
| 57 |
gridScalingAh = (_dxV(i,j,bi,bj)**2)/(5000.**2) |
| 58 |
xViscFluxV(i,j) = |
| 59 |
& _dyU(i,j,bi,bj)*drF(k)*hFacZ(i,j) |
| 60 |
& *( |
| 61 |
& -viscAh*(vFld(i,j)-vFld(i-1,j))*gridScalingAh |
| 62 |
& *cosFacV(J,bi,bj) |
| 63 |
& +viscA4*(del2v(i,j) -del2v(i-1,j) ) |
| 64 |
& *gridScalingA4 |
| 65 |
#ifdef COSINEMETH_III |
| 66 |
& *sqcosFacV(J,bi,bj) |
| 67 |
#else |
| 68 |
& *cosFacV(J,bi,bj) |
| 69 |
#endif |
| 70 |
& )*_recip_dxV(i,j,bi,bj) |
| 71 |
ENDDO |
| 72 |
ENDDO |
| 73 |
|
| 74 |
RETURN |
| 75 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph