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jmc |
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C $Header: /u/gcmpack/MITgcm/pkg/obcs/obcs_save_uv_n.F,v 1.1 2011/10/25 15:09:18 mlosch Exp $ |
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mlosch |
1.1 |
C $Name: $ |
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#include "OBCS_OPTIONS.h" |
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CBOP |
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C !ROUTINE: OBCS_SAVE_UV_N |
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C !INTERFACE: |
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SUBROUTINE OBCS_SAVE_UV_N( bi, bj, iMin, iMax, jMin, jMax, kArg, |
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I uFld, vFld, |
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I myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE OBCS_SAVE_UV_N |
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C | Save normal velocities at the OB location to be used |
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C | in the next time step for Stevens boundary conditions |
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C *==========================================================* |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C == Global variables == |
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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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#include "OBCS_PARAMS.h" |
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#include "OBCS_GRID.h" |
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#include "OBCS_FIELDS.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine Arguments == |
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C bi, bj :: indices of current tile |
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C iMin,iMax :: array boundaries |
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C jMin,jMax :: |
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C kArg :: index of current level which OBC applies to |
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C or, if zero, apply to all levels |
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C uFld :: horizontal velocity field, 1rst component (zonal) |
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C vFld :: horizontal velocity field, 2nd component (meridional) |
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C myThid :: my Thread Id number |
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INTEGER bi, bj |
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INTEGER iMin, iMax |
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INTEGER jMin, jMax |
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INTEGER kArg |
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_RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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INTEGER myThid |
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CEOP |
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#ifdef ALLOW_OBCS_STEVENS |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER k, kLo, kHi |
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INTEGER i, j |
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INTEGER Iobc, Jobc |
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C-- Save model velocity normal to OB for next time step. |
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IF ( kArg.EQ.0 ) THEN |
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kLo = 1 |
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kHi = Nr |
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ELSE |
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kLo = kArg |
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kHi = kArg |
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ENDIF |
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#ifdef ALLOW_OBCS_NORTH |
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IF ( tileHasOBN(bi,bj) .AND. useStevensNorth ) THEN |
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C Northern boundary |
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DO i=iMin,iMax |
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Jobc = OB_Jn(i,bi,bj) |
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jmc |
1.2 |
IF ( Jobc.NE.OB_indexNone ) THEN |
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mlosch |
1.1 |
DO k = kLo,kHi |
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OBNvStevens(i,k,bi,bj) = vFld(i,Jobc,k,bi,bj) |
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& *_maskS(i,Jobc,k,bi,bj) |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif |
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#ifdef ALLOW_OBCS_SOUTH |
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IF ( tileHasOBS(bi,bj) .AND. useStevensSouth ) THEN |
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C Southern boundary |
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DO i=iMin,iMax |
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Jobc = OB_Js(i,bi,bj) |
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jmc |
1.2 |
IF ( Jobc.NE.OB_indexNone ) THEN |
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mlosch |
1.1 |
DO k = kLo,kHi |
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OBSvStevens(i,k,bi,bj) = vFld(i,Jobc+1,k,bi,bj) |
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& *_maskS(i,Jobc+1,k,bi,bj) |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif |
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#ifdef ALLOW_OBCS_EAST |
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IF ( tileHasOBE(bi,bj) .AND. useStevensEast ) THEN |
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C Eastern boundary |
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DO j=jMin,jMax |
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Iobc = OB_Ie(j,bi,bj) |
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jmc |
1.2 |
IF ( Iobc.NE.OB_indexNone ) THEN |
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mlosch |
1.1 |
DO k = kLo,kHi |
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OBEuStevens(j,k,bi,bj) = uFld(Iobc,j,k,bi,bj) |
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& *_maskW(Iobc,j,k,bi,bj) |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif |
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#ifdef ALLOW_OBCS_WEST |
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IF ( tileHasOBW(bi,bj) .AND. useStevensWest ) THEN |
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C Western boundary |
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DO j=jMin,jMax |
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Iobc = OB_Iw(j,bi,bj) |
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jmc |
1.2 |
IF ( Iobc.NE.OB_indexNone ) THEN |
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mlosch |
1.1 |
DO k = kLo,kHi |
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OBWuStevens(j,k,bi,bj) = uFld(Iobc+1,j,k,bi,bj) |
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& *_maskW(Iobc+1,j,k,bi,bj) |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif |
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#endif /* ALLOW_OBCS_STEVENS */ |
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RETURN |
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END |
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