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C $Header: /u/gcmpack/MITgcm/pkg/obcs/obcs_apply_uv.F,v 1.5 2011/03/01 18:55:46 jmc Exp $ |
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C $Name: $ |
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|
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#include "OBCS_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: OBCS_APPLY_UV |
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C !INTERFACE: |
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SUBROUTINE OBCS_APPLY_UV( bi, bj, kArg, |
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U uFld, vFld, |
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I myThid ) |
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|
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C !DESCRIPTION: |
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C *==========================================================* |
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C | S/R OBCS_APPLY_UV |
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C *==========================================================* |
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|
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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.h" |
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|
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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 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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c INTEGER biArg, bjArg |
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INTEGER bi, bj |
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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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|
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#ifdef ALLOW_OBCS |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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c INTEGER bi, bj, itLo, itHi, jtLo, jtHi |
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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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|
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C-- Set model variables to OB values on North/South Boundaries: |
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C 2 steps: 1) set tangential component ; 2) set normal component. |
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C This ensures that the normal component is set correctly even |
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C when it conficts with tangential setting from an other OB. |
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|
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c IF ( biArg.EQ.0 .OR. bjArg.EQ.0 ) THEN |
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c itLo = myBxLo(myThid) |
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c itHi = myBxHi(myThid) |
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c jtLo = myByLo(myThid) |
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c jtHi = myByHi(myThid) |
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c ELSE |
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c itLo = biArg |
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c itHi = biArg |
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c jtLo = bjArg |
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c jtHi = bjArg |
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c ENDIF |
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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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|
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c DO bj = jtLo,jtHi |
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c DO bi = itLo,itHi |
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|
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C-- Set Tangential component first: |
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|
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#ifdef ALLOW_OBCS_NORTH |
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IF ( tileHasOBN(bi,bj) ) THEN |
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C Northern boundary |
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DO i=1-Olx,sNx+Olx |
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Jobc = OB_Jn(i,bi,bj) |
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IF ( Jobc.NE.0 ) THEN |
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DO k = kLo,kHi |
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uFld(i,Jobc,k,bi,bj) = OBNu(i,k,bi,bj) |
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& *_maskW(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) ) THEN |
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C Southern boundary |
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DO i=1-Olx,sNx+Olx |
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Jobc = OB_Js(i,bi,bj) |
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IF ( Jobc.NE.0 ) THEN |
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DO k = kLo,kHi |
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uFld(i,Jobc,k,bi,bj) = OBSu(i,k,bi,bj) |
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& *_maskW(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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|
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C Set model variables to OB values on East/West Boundaries |
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#ifdef ALLOW_OBCS_EAST |
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IF ( tileHasOBE(bi,bj) ) THEN |
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C Eastern boundary |
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DO j=1-Oly,sNy+Oly |
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Iobc = OB_Ie(j,bi,bj) |
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IF ( Iobc.NE.0 ) THEN |
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DO k = kLo,kHi |
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vFld(Iobc,j,k,bi,bj) = OBEv(j,k,bi,bj) |
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& *_maskS(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) ) THEN |
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C Western boundary |
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DO j=1-Oly,sNy+Oly |
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Iobc = OB_Iw(j,bi,bj) |
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IF ( Iobc.NE.0 ) THEN |
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DO k = kLo,kHi |
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vFld(Iobc,j,k,bi,bj) = OBWv(j,k,bi,bj) |
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& *_maskS(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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|
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C-- Then set Normal component: |
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|
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#ifdef ALLOW_OBCS_NORTH |
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IF ( tileHasOBN(bi,bj) ) THEN |
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C Northern boundary |
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DO i=1-Olx,sNx+Olx |
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Jobc = OB_Jn(i,bi,bj) |
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IF ( Jobc.NE.0 ) THEN |
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DO k = kLo,kHi |
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vFld(i,Jobc,k,bi,bj) = OBNv(i,k,bi,bj) |
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& *_maskS(i,Jobc,k,bi,bj) |
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vFld(i,Jobc+1,k,bi,bj) = OBNv(i,k,bi,bj) |
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& *_maskS(i,Jobc,k,bi,bj) |
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& *OBCS_uvApplyFac |
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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) ) THEN |
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C Southern boundary |
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DO i=1-Olx,sNx+Olx |
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Jobc = OB_Js(i,bi,bj) |
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IF ( Jobc.NE.0 ) THEN |
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DO k = kLo,kHi |
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vFld(i,Jobc+1,k,bi,bj) = OBSv(i,k,bi,bj) |
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& *_maskS(i,Jobc+1,k,bi,bj) |
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vFld(i,Jobc,k,bi,bj) = OBSv(i,k,bi,bj) |
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& *_maskS(i,Jobc+1,k,bi,bj) |
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& *OBCS_uvApplyFac |
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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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|
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C Set model variables to OB values on East/West Boundaries |
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#ifdef ALLOW_OBCS_EAST |
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IF ( tileHasOBE(bi,bj) ) THEN |
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C Eastern boundary |
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DO j=1-Oly,sNy+Oly |
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Iobc = OB_Ie(j,bi,bj) |
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IF ( Iobc.NE.0 ) THEN |
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DO k = kLo,kHi |
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uFld(Iobc,j,k,bi,bj) = OBEu(j,k,bi,bj) |
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& *_maskW(Iobc,j,k,bi,bj) |
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uFld(Iobc+1,j,k,bi,bj) = OBEu(j,K,bi,bj) |
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& *_maskW(Iobc,j,k,bi,bj) |
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& *OBCS_uvApplyFac |
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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) ) THEN |
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C Western boundary |
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DO j=1-Oly,sNy+Oly |
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Iobc = OB_Iw(j,bi,bj) |
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IF ( Iobc.NE.0 ) THEN |
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DO k = kLo,kHi |
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uFld(Iobc+1,j,k,bi,bj) = OBWu(j,k,bi,bj) |
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& *_maskW(Iobc+1,j,k,bi,bj) |
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uFld(Iobc,j,k,bi,bj) = OBWu(j,k,bi,bj) |
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& *_maskW(Iobc+1,j,k,bi,bj) |
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& *OBCS_uvApplyFac |
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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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|
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c ENDDO |
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c ENDDO |
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|
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#endif /* ALLOW_OBCS */ |
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|
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RETURN |
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END |
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