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#include "GAD_OPTIONS.h" |
#include "GAD_OPTIONS.h" |
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CBOP |
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C !ROUTINE: GAD_BIHARM_X |
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C !INTERFACE: ========================================================== |
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SUBROUTINE GAD_BIHARM_X( |
SUBROUTINE GAD_BIHARM_X( |
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I bi,bj,k, |
I bi,bj,k, |
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I xA,del2T,diffK4, |
I xA,del2T,diffK4, |
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O dfx, |
O dfx, |
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I myThid ) |
I myThid ) |
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IMPLICIT NONE |
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C == GLobal variables == |
C !DESCRIPTION: |
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C Calculates the zonal flux due to bi-harmonic diffusion of a tracer. |
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C Routine takes the laplacian of the tracer as argument and calculates |
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C the zonal gradient: |
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C \begin{equation*} |
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C F^x_{diff} = \kappa_4 \partial_x \nabla^2 \theta |
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C \end{equation*} |
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C !USES: =============================================================== |
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IMPLICIT NONE |
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#include "SIZE.h" |
#include "SIZE.h" |
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#include "GRID.h" |
#include "GRID.h" |
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C == Routine arguments == |
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 xA :: area of face at U points |
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C del2T :: Laplacian of tracer |
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C myThid :: thread number |
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INTEGER bi,bj,k |
INTEGER bi,bj,k |
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_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL del2T(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL del2T(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL diffK4 |
_RL diffK4 |
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_RL dfx (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER myThid |
INTEGER myThid |
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C == Local variables == |
C !OUTPUT PARAMETERS: ================================================== |
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C dfx :: zonal diffusive flux |
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_RL dfx (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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C !LOCAL VARIABLES: ==================================================== |
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C i,j :: loop indices |
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INTEGER i,j |
INTEGER i,j |
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CEOP |
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C Difference of zonal fluxes ... |
C Difference of zonal fluxes ... |
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DO j=1-Oly,sNy+Oly |
DO j=1-Oly,sNy+Oly |