| 1 |
jmc |
1.9 |
C $Header: /u/gcmpack/MITgcm/pkg/mom_fluxform/mom_v_coriolis.F,v 1.8 2003/10/09 04:19:20 edhill Exp $ |
| 2 |
adcroft |
1.3 |
C $Name: $ |
| 3 |
adcroft |
1.2 |
|
| 4 |
edhill |
1.8 |
#include "MOM_FLUXFORM_OPTIONS.h" |
| 5 |
adcroft |
1.2 |
|
| 6 |
adcroft |
1.3 |
CBOP |
| 7 |
|
|
C !ROUTINE: MOM_V_CORIOLIS |
| 8 |
|
|
|
| 9 |
|
|
C !INTERFACE: ========================================================== |
| 10 |
adcroft |
1.2 |
SUBROUTINE MOM_V_CORIOLIS( |
| 11 |
|
|
I bi,bj,k,uFld, |
| 12 |
|
|
U vCoriolisTerm, |
| 13 |
|
|
I myThid) |
| 14 |
|
|
|
| 15 |
adcroft |
1.3 |
C !DESCRIPTION: |
| 16 |
|
|
C Calculates the horizontal Coriolis term in the meridional equation: |
| 17 |
|
|
C \begin{equation*} |
| 18 |
|
|
C -\overline{f}^j \overline{u}^{ij} |
| 19 |
|
|
C \end{equation*} |
| 20 |
adcroft |
1.2 |
|
| 21 |
adcroft |
1.3 |
C !USES: =============================================================== |
| 22 |
|
|
IMPLICIT NONE |
| 23 |
adcroft |
1.2 |
#include "SIZE.h" |
| 24 |
|
|
#include "EEPARAMS.h" |
| 25 |
|
|
#include "PARAMS.h" |
| 26 |
|
|
#include "GRID.h" |
| 27 |
|
|
#include "SURFACE.h" |
| 28 |
|
|
|
| 29 |
adcroft |
1.3 |
C !INPUT PARAMETERS: =================================================== |
| 30 |
|
|
C bi,bj :: tile indices |
| 31 |
|
|
C k :: vertical level |
| 32 |
|
|
C uFld :: zonal flow |
| 33 |
|
|
C myThid :: thread number |
| 34 |
adcroft |
1.2 |
INTEGER bi,bj,K |
| 35 |
|
|
_RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 36 |
adcroft |
1.3 |
INTEGER myThid |
| 37 |
|
|
|
| 38 |
|
|
C !OUTPUT PARAMETERS: ================================================== |
| 39 |
|
|
C vCoriolisTerm :: Coriolis term |
| 40 |
adcroft |
1.2 |
_RL vCoriolisTerm(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 41 |
|
|
|
| 42 |
adcroft |
1.3 |
C !LOCAL VARIABLES: ==================================================== |
| 43 |
|
|
C i,j :: loop indices |
| 44 |
|
|
INTEGER I,J |
| 45 |
adcroft |
1.7 |
_RL one |
| 46 |
|
|
PARAMETER(one=1.d0) |
| 47 |
adcroft |
1.3 |
CEOP |
| 48 |
adcroft |
1.2 |
|
| 49 |
adcroft |
1.4 |
IF (useEnergyConservingCoriolis) THEN |
| 50 |
|
|
C Energy conserving discretization |
| 51 |
|
|
DO j=1-Oly+1,sNy+Oly |
| 52 |
|
|
DO i=1-Olx,sNx+Olx-1 |
| 53 |
|
|
vCoriolisTerm(i,j) = |
| 54 |
adcroft |
1.5 |
& -0.5*( _fCori(i, j ,bi,bj) |
| 55 |
adcroft |
1.4 |
& *0.5*( uFld( i , j )+uFld(i+1, j ) ) |
| 56 |
|
|
& + _fCori(i,j-1,bi,bj) |
| 57 |
|
|
& *0.5*( uFld( i ,j-1)+uFld(i+1,j-1) ) ) |
| 58 |
|
|
ENDDO |
| 59 |
|
|
ENDDO |
| 60 |
|
|
ELSE |
| 61 |
|
|
C Original discretization |
| 62 |
|
|
DO j=1-Oly+1,sNy+Oly |
| 63 |
|
|
DO i=1-Olx,sNx+Olx-1 |
| 64 |
adcroft |
1.2 |
vCoriolisTerm(i,j) = |
| 65 |
|
|
& -0.5*(_fCori(i, j ,bi,bj)+_fCori(i,j-1,bi,bj)) |
| 66 |
|
|
& *0.25*( uFld(i, j )+uFld(i+1, j ) |
| 67 |
|
|
& +uFld(i,j-1)+uFld(i+1,j-1) |
| 68 |
|
|
& ) |
| 69 |
adcroft |
1.6 |
ENDDO |
| 70 |
|
|
ENDDO |
| 71 |
|
|
ENDIF |
| 72 |
|
|
|
| 73 |
|
|
IF (useJamartWetPoints) THEN |
| 74 |
|
|
C Scale term so that only "wet" points are used |
| 75 |
|
|
C Due to: Jamart and Ozer, 1986, JGR 91 (C9), 10,621-10,631 |
| 76 |
|
|
C "Numerical Boundary Layers and Spurious Residual Flows" |
| 77 |
|
|
DO j=1-Oly+1,sNy+Oly |
| 78 |
|
|
DO i=1-Olx,sNx+Olx-1 |
| 79 |
|
|
vCoriolisTerm(i,j) = vCoriolisTerm(i,j) |
| 80 |
|
|
& *4.d0/max(one, maskW( i , j ,k,bi,bj)+maskW(i+1, j ,k,bi,bj) |
| 81 |
|
|
& +maskW( i ,j-1,k,bi,bj)+maskW(i+1,j-1,k,bi,bj) ) |
| 82 |
adcroft |
1.4 |
ENDDO |
| 83 |
adcroft |
1.2 |
ENDDO |
| 84 |
adcroft |
1.4 |
ENDIF |
| 85 |
adcroft |
1.2 |
|
| 86 |
|
|
RETURN |
| 87 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph