#include "cppdefs.h"
MODULE ct3dbc_mod
#ifdef SOLVE3D
!
!svn $Id: ct3dbc_im.F 732 2008-09-07 01:55:51Z jcwarner $
!================================================== John C. Warner =====
! !
! This subroutine sets lateral boundary conditions for the !
! celerity in the theta direction !
! !
!=======================================================================
!
implicit none
PRIVATE
PUBLIC :: ct3dbc_tile
CONTAINS
!
!***********************************************************************
SUBROUTINE ct3dbc (ng, tile)
!***********************************************************************
!
USE mod_param
USE mod_inwave_vars
USE mod_inwave_params
USE mod_ocean
USE mod_stepping
!
! Imported variable declarations.
!
integer, intent(in) :: ng, tile
!
! Local variable declarations.
!
# include "tile.h"
!
CALL ct3dbc_tile (ng, tile, &
& LBi, UBi, LBj, UBj, &
& WAVEP(ng)% ct)
RETURN
END SUBROUTINE ct3dbc
!
!***********************************************************************
SUBROUTINE ct3dbc_tile (ng, tile, &
& LBi, UBi, LBj, UBj, &
& ct)
!***********************************************************************
!
USE mod_inwave_params
USE mod_param
USE mod_boundary
USE mod_grid
USE mod_scalars
!
! Imported variable declarations.
!
integer, intent(in) :: ng, tile
integer, intent(in) :: LBi, UBi, LBj, UBj
!
# ifdef ASSUMED_SHAPE
real(r8), intent(inout) :: ct(LBi:,LBj:,:)
# else
real(r8), intent(inout) :: ct(LBi:UBi,LBj:UBj,ND)
# endif
!
! Local variable declarations.
!
integer :: i, j, d
# include "set_bounds.h"
!
!-----------------------------------------------------------------------
! Lateral boundary conditions at the western edge.
!-----------------------------------------------------------------------
!
IF (DOMAIN(ng)%Western_Edge(tile)) THEN
!
! Western edge, gradient boundary condition.
!
IF (LBC(iwest,isCT3d,ng)%gradient) THEN
DO d=1,ND+1
DO j=Jstr,Jend
IF (LBC_apply(ng)%west(j)) THEN
ct(Istr-1,j,d)=ct(Istr,j,d)
# ifdef MASKING
ct(Istr-1,j,d)=ct(Istr-1,j,d)* &
& GRID(ng)%rmask(Istr-1,j)
# endif
END IF
END DO
END DO
!
! Western edge, closed boundary condition.
!
ELSE IF (LBC(iwest,isCT3d,ng)%closed) THEN
DO d=1,ND+1
DO j=Jstr,Jend
IF (LBC_apply(ng)%west(j)) THEN
ct(Istr-1,j,d)=0.0_r8
# ifdef MASKING
ct(Istr-1,j,d)=ct(Istr-1,j,d)* &
& GRID(ng)%rmask(Istr-1,j)
# endif
END IF
END DO
END DO
END IF
END IF
!
!-----------------------------------------------------------------------
! Lateral boundary conditions at the eastern edge.
!-----------------------------------------------------------------------
!
IF (DOMAIN(ng)%Eastern_Edge(tile)) THEN
!
! Eastern edge, gradient boundary condition.
!
IF (LBC(ieast,isCT3d,ng)%gradient) THEN
DO d=1,ND+1
DO j=Jstr,Jend
IF (LBC_apply(ng)%east(j)) THEN
ct(Iend+1,j,d)=ct(Iend,j,d)
# ifdef MASKING
ct(Iend+1,j,d)=ct(Iend+1,j,d)* &
& GRID(ng)%rmask(Iend+1,j)
# endif
END IF
END DO
END DO
!
! Eastern edge, closed boundary condition.
!
ELSE IF (LBC(ieast,isCT3d,ng)%closed) THEN
DO d=1,ND+1
DO j=Jstr,Jend
IF (LBC_apply(ng)%east(j)) THEN
ct(Iend+1,j,d)=0.0_r8
# ifdef MASKING
ct(Iend+1,j,d)=ct(Iend+1,j,d)* &
& GRID(ng)%rmask(Iend+1,j)
# endif
END IF
END DO
END DO
END IF
END IF
!
!-----------------------------------------------------------------------
! Lateral boundary conditions at the southern edge.
!-----------------------------------------------------------------------
!
IF (DOMAIN(ng)%Southern_Edge(tile)) THEN
!
! Southern edge, gradient boundary condition.
!
IF (LBC(isouth,isCT3d,ng)%gradient) THEN
DO d=1,ND+1
DO i=Istr,Iend
IF (LBC_apply(ng)%south(i)) THEN
ct(i,Jstr-1,d)=ct(i,Jstr,d)
# ifdef MASKING
ct(i,Jstr-1,d)=ct(i,Jstr-1,d)* &
& GRID(ng)%rmask(i,Jstr-1)
# endif
END IF
END DO
END DO
!
! Southern edge, closed boundary condition.
!
ELSE IF (LBC(isouth,isCT3d,ng)%closed) THEN
DO d=1,ND+1
DO i=Istr,Iend
IF (LBC_apply(ng)%south(i)) THEN
ct(i,Jstr-1,d)=0.0_r8
# ifdef MASKING
ct(i,Jstr-1,d)=ct(i,Jstr-1,d)* &
& GRID(ng)%rmask(i,Jstr-1)
# endif
END IF
END DO
END DO
END IF
END IF
!
!-----------------------------------------------------------------------
! Lateral boundary conditions at the northern edge.
!-----------------------------------------------------------------------
!
IF (DOMAIN(ng)%Northern_Edge(tile)) THEN
!
! Northern edge, gradient boundary condition.
!
IF (LBC(inorth,isCT3d,ng)%gradient) THEN
DO d=1,ND+1
DO i=Istr,Iend
IF (LBC_apply(ng)%north(i)) THEN
ct(i,Jend+1,d)=ct(i,Jend,d)
# ifdef MASKING
ct(i,Jend+1,d)=ct(i,Jend+1,d)* &
& GRID(ng)%rmask(i,Jend+1)
# endif
END IF
END DO
END DO
!
! Northern edge, closed boundary condition.
!
ELSE IF (LBC(inorth,isCT3d,ng)%closed) THEN
DO d=1,ND+1
DO i=Istr,Iend
IF (LBC_apply(ng)%north(i)) THEN
ct(i,Jend+1,d)=0.0_r8
# ifdef MASKING
ct(i,Jend+1,d)=ct(i,Jend+1,d)* &
& GRID(ng)%rmask(i,Jend+1)
# endif
END IF
END DO
END DO
END IF
END IF
!
!-----------------------------------------------------------------------
! Boundary corners.
!-----------------------------------------------------------------------
!
IF (.not.(EWperiodic(ng).or.NSperiodic(ng))) THEN
IF (DOMAIN(ng)%SouthWest_Corner(tile)) THEN
IF (LBC_apply(ng)%south(Istr-1).and. &
& LBC_apply(ng)%west (Jstr-1)) THEN
DO d=1,ND+1
ct(Istr-1,Jstr-1,d)=0.5_r8* &
& (ct(Istr ,Jstr-1,d)+ &
& ct(Istr-1,Jstr ,d))
END DO
END IF
END IF
IF (DOMAIN(ng)%SouthEast_Corner(tile)) THEN
IF (LBC_apply(ng)%south(Iend+1).and. &
& LBC_apply(ng)%east (Jstr-1)) THEN
DO d=1,ND+1
ct(Iend+1,Jstr-1,d)=0.5_r8* &
& (ct(Iend ,Jstr-1,d)+ &
& ct(Iend+1,Jstr ,d))
END DO
END IF
END IF
IF (DOMAIN(ng)%NorthWest_Corner(tile)) THEN
IF (LBC_apply(ng)%north(Istr-1).and. &
& LBC_apply(ng)%west (Jend+1)) THEN
DO d=1,ND+1
ct(Istr-1,Jend+1,d)=0.5_r8* &
& (ct(Istr-1,Jend ,d)+ &
& ct(Istr ,Jend+1,d))
END DO
END IF
END IF
IF (DOMAIN(ng)%NorthEast_Corner(tile)) THEN
IF (LBC_apply(ng)%north(Iend+1).and. &
& LBC_apply(ng)%east (Jend+1)) THEN
DO d=1,ND+1
ct(Iend+1,Jend+1,d)=0.5_r8* &
& (ct(Iend+1,Jend ,d)+ &
& ct(Iend ,Jend+1,d))
END DO
END IF
END IF
END IF
RETURN
END SUBROUTINE ct3dbc_tile
#endif
END MODULE ct3dbc_mod