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mom_u_metric_cylinder.F
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mom_u_metric_cylinder.F
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#include "MOM_FLUXFORM_OPTIONS.h"
CBOP
C !ROUTINE: MOM_U_METRIC_CYLINDER
C !INTERFACE: ==========================================================
SUBROUTINE MOM_U_METRIC_CYLINDER(
I bi,bj,k,
I uFld, vFld,
O uMetricTerms,
I myThid )
C !DESCRIPTION:
C Calculates the zonal metric term due to cylinder curvature:
C \begin{equation}
C +\frac{u v}{r}
C \end{equation}
C !USES: ===============================================================
IMPLICIT NONE
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
C !INPUT PARAMETERS: ===================================================
C bi,bj :: tile indices
C k :: vertical level
C uFld :: zonal flow
C vFld :: meridional flow
C myThid :: thread number
INTEGER bi,bj,k
_RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
INTEGER myThid
C !OUTPUT PARAMETERS: ==================================================
C uMetricTerms :: metric term
_RL uMetricTerms(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
C !LOCAL VARIABLES: ====================================================
C i,j :: loop indices
INTEGER i,j
_RL radius
CEOP
DO j=1-OLy,sNy+OLy-1
DO i=1-OLx+1,sNx+OLx
radius = (yG(i,j,bi,bj)+yG(i,j+1,bi,bj))*0.5 _d 0
C- to get the same results as before:
c radius = yC(i,j,bi,bj)
IF ( radius.GT.0. ) THEN
uMetricTerms(i,j) =
& uFld(i,j)
& *0.25*(vFld(i,j) + vFld(i-1,j) +
& vFld(i,j+1)+vFld(i-1,j+1))/radius
ELSE
uMetricTerms(i,j) = 0.
ENDIF
ENDDO
ENDDO
RETURN
END