TURB_floRansBcondInflow.F90

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!******************************************************************************
!
! Purpose: update RaNS variables in dummy cells at inflow boundary patch.
!
! Description: We take the first dummy solution as prescribed inflow 
!              condition, fixed in time, and update the other dummies
!              by subsequent linear extrapolations.
!
! Input: region = region dimensions, user input
!        patch  = current patch.
!
! Output: region%levels%turb%cv = RaNS variables in dummy cells.
!
! Notes: none.
!
!******************************************************************************
!
! $Id: TURB_floRansBcondInflow.F90,v 1.4 2008/12/06 08:44:44 mtcampbe Exp $
!
! Copyright: (c) 2003 by the University of Illinois
!
!******************************************************************************

SUBROUTINE turb_floransbcondinflow( region,patch )

  USE moddatatypes
  USE modbndpatch, ONLY   : t_patch
  USE moddatastruct, ONLY : t_region
  USE modinterfaces, ONLY : rflo_getpatchindices, rflo_getpatchdirection, &
                            rflo_getcelloffset
  USE moderror
  USE modparameters
  IMPLICIT NONE

#include "Indexing.h"

! ... parameters
  TYPE(t_region) :: region
  TYPE(t_patch)  :: patch

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

! ... local variables
  INTEGER :: ibeg, iend, jbeg, jend, kbeg, kend, idir, jdir, kdir
  INTEGER :: ilev, icoff, ijcoff, ijkc, ijkc1, ijkd, ncv

  REAL(RFREAL), POINTER :: tcv(:,:)

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

  CALL registerfunction( region%global,'TURB_FloRansBcondInflow',&
  'TURB_floRansBcondInflow.F90' )

! get dimensions and pointers

  ilev   = region%currLevel

  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 )

  ncv =  region%turbInput%nCv
  tcv => region%levels(ilev)%turb%cv

! loop over all cells of a patch

  DO idum=2,region%nDumCells
    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)
          DO l=1,ncv
            tcv(l,ijkd) = 2._rfreal*tcv(l,ijkc) - tcv(l,ijkc1)
          ENDDO
        ENDDO  ! i
      ENDDO    ! j
    ENDDO      ! k
  ENDDO        ! idum

! finalize

  CALL deregisterfunction( region%global )

END SUBROUTINE turb_floransbcondinflow

!******************************************************************************
!
! RCS Revision history:
!
! $Log: TURB_floRansBcondInflow.F90,v $
! Revision 1.4  2008/12/06 08:44:44  mtcampbe
! Updated license.
!
! Revision 1.3  2008/11/19 22:17:56  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.2  2004/03/12 02:55:36  wasistho
! changed rocturb routine names
!
! Revision 1.1  2004/03/08 23:35:45  wasistho
! changed turb nomenclature
!
! Revision 1.1  2003/10/07 02:17:02  wasistho
! initial installation of RaNS-SA and DES
!
!
!******************************************************************************