PEUL_BcondOutflow.F90

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!******************************************************************************
!
! Purpose: update values in dummy cells for smoke at outflow boundary patch.
!
! Description: none.
!
! Input: region = region dimensions, user input
!        patch  = current patch.
!
! Output: region%levels%peul = smoke variables in dummy cells.
!
! Notes: none.
!
!******************************************************************************
!
! $Id: PEUL_BcondOutflow.F90,v 1.5 2008/12/06 08:44:38 mtcampbe Exp $
!
! Copyright: (c) 2002 by the University of Illinois
!
!******************************************************************************

SUBROUTINE peul_bcondoutflow( region,patch )

  USE moddatatypes
  USE modbndpatch,   ONLY : t_patch
  USE moddatastruct, ONLY : t_region
  USE modglobal,     ONLY : t_global
  USE moderror
  USE modparameters
  USE peul_modparameters

  USE modinterfaces, ONLY : rflo_getpatchindices, rflo_getpatchdirection, &
                            rflo_getcelloffset
  IMPLICIT NONE

#include "Indexing.h"

! ... parameters
  TYPE(t_region), INTENT(INOUT) :: region
  TYPE(t_patch),  INTENT(IN)    :: patch

! ... loop variables
  INTEGER :: idum, i, j, k

! ... local variables
  CHARACTER(CHRLEN) :: rcsidentstring

  INTEGER :: ibeg, iend, jbeg, jend, kbeg, kend, idir, jdir, kdir
  INTEGER :: ilev, lbound, icoff, ijcoff, ijkc, ijkc1, ijkd

  REAL(RFREAL), POINTER :: cv(:,:)

  TYPE(t_global), POINTER :: global

!******************************************************************************

  rcsidentstring = '$RCSfile: PEUL_BcondOutflow.F90,v $ $Revision: 1.5 $'

  global => region%global

  CALL registerfunction( global,'PEUL_BcondOutflow',&
  'PEUL_BcondOutflow.F90' )

! begin -----------------------------------------------------------------------

! get dimensions and pointers

  ilev   = region%currLevel
  lbound = patch%lbound

  CALL rflo_getpatchindices( region,patch,ilev, &
                             ibeg,iend,jbeg,jend,kbeg,kend )
  CALL rflo_getpatchdirection( patch,idir,jdir,kdir )
  CALL rflo_getcelloffset( region,ilev,icoff,ijcoff )

  cv => region%levels(ilev)%peul%cv

! loop over all cells of a patch

  DO idum=1,region%nDumCells

    IF (idum==1) THEN
      DO k=kbeg,kend
        DO j=jbeg,jend
          DO i=ibeg,iend
            ijkd  = &
            indijk(i- idum   *idir,j- idum   *jdir,k- idum   *kdir,icoff,ijcoff)
            ijkc  = &
            indijk(i-(idum-1)*idir,j-(idum-1)*jdir,k-(idum-1)*kdir,icoff,ijcoff)
            ijkc1 = &
            indijk(i-(idum-2)*idir,j-(idum-2)*jdir,k-(idum-2)*kdir,icoff,ijcoff)

            cv(:,ijkd) = 2._rfreal*cv(:,ijkc ) - cv(:,ijkc1) ! to be changed by
                                                             ! convective bc
          ENDDO  ! i
        ENDDO    ! j
      ENDDO      ! k
    ELSE
      DO k=kbeg,kend
        DO j=jbeg,jend
          DO i=ibeg,iend
            ijkd  = &
            indijk(i- idum   *idir,j- idum   *jdir,k- idum   *kdir,icoff,ijcoff)
            ijkc  = &
            indijk(i-(idum-1)*idir,j-(idum-1)*jdir,k-(idum-1)*kdir,icoff,ijcoff)
            ijkc1 = &
            indijk(i-(idum-2)*idir,j-(idum-2)*jdir,k-(idum-2)*kdir,icoff,ijcoff)

            cv(:,ijkd) = 2._rfreal*cv(:,ijkc ) - cv(:,ijkc1)
          ENDDO  ! i
        ENDDO    ! j
      ENDDO      ! k
    ENDIF        ! idum
  ENDDO          ! idum

! finalize --------------------------------------------------------------------

  CALL deregisterfunction( global )

END SUBROUTINE peul_bcondoutflow

!******************************************************************************
!
! RCS Revision history:
!
! $Log: PEUL_BcondOutflow.F90,v $
! Revision 1.5  2008/12/06 08:44:38  mtcampbe
! Updated license.
!
! Revision 1.4  2008/11/19 22:17:51  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.3  2006/03/16 20:36:50  wasistho
! reset to linear extrap. for now
!
! Revision 1.2  2006/03/15 19:50:30  wasistho
! improve peul outflow
!
! Revision 1.1  2004/12/01 21:09:17  haselbac
! Initial revision after changing case
!
! Revision 1.3  2003/05/15 02:57:05  jblazek
! Inlined index function.
!
! Revision 1.2  2003/04/09 15:12:04  jferry
! miscellaneous stylistic changes
!
! Revision 1.1  2003/02/11 22:52:50  jferry
! Initial import of Rocsmoke
!
!******************************************************************************