RFLO_C2eAvgCoeffsDegec.F90

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! ******************************************************************************
!
! Purpose: correct cell2edge averaging coeffs. in degenerated edges/corners.
!
! Description: as the e/c is practically no exist, no real coordinates are 
!              available, hence the 4 point coefficients are set to 0.25.
!
! Notes: none.
!
! ******************************************************************************
!
! $Id: RFLO_C2eAvgCoeffsDegec.F90,v 1.3 2008/12/06 08:44:25 mtcampbe Exp $
!
! Copyright: (c) 2004 by the University of Illinois
!
! ******************************************************************************

SUBROUTINE rflo_c2eavgcoeffsdegec( region )

  USE moddatatypes
  USE modglobal, ONLY     : t_global 
  USE moddatastruct, ONLY : t_region, t_level
  USE modinterfaces, ONLY : rflo_getnodeoffset, rflo_getedgecellsindices, &
                            rflo_getcornercellsindices
  USE moderror
  USE modparameters
  USE modmpi
  IMPLICIT NONE

#include "Indexing.h"

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

! ... loop variables
  INTEGER :: iedge, icorner, i, j, k
   
! ... local variables
  TYPE(t_global), POINTER :: global
  TYPE(t_level), POINTER  :: level

  INTEGER :: ilev, ijkn, inoff, ijnoff
  INTEGER :: ibeg, iend, jbeg, jend, kbeg, kend
  REAL(RFREAL), POINTER :: avgcoi(:,:), avgcoj(:,:), avgcok(:,:)
  
! ******************************************************************************

  global => region%global

  CALL registerfunction(global,'RFLO_C2eAvgCoeffsDegec',&
  'RFLO_C2eAvgCoeffsDegec.F90')

! get parameters and pointers --------------------------------------------------

  ilev   =  region%currLevel
  level  => region%levels(ilev)
  avgcoi => region%levels(ilev)%grid%c2eCoI
  avgcoj => region%levels(ilev)%grid%c2eCoJ
  avgcok => region%levels(ilev)%grid%c2eCoK

  CALL rflo_getnodeoffset( region,ilev,inoff,ijnoff )

! treat degenerat edges      

  DO iedge = 1,12
    IF (level%edgeCells(iedge)%degenrt /= degenerat_none) THEN
      CALL rflo_getedgecellsindices( region,ilev,iedge, &
                                     ibeg,iend,jbeg,jend,kbeg,kend )
      CALL calcavgco
    ENDIF  ! degenrt
  ENDDO    ! iedge          
      
! treat degenerat corners

  DO icorner = 1,8
    IF (level%cornerCells(icorner)%degenrt /= degenerat_none) THEN
      CALL rflo_getcornercellsindices( region,ilev,icorner, &
                                       ibeg,iend,jbeg,jend,kbeg,kend )
      CALL calcavgco
    ENDIF  ! degenrt
  ENDDO    ! icorner

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

  CALL deregisterfunction( global )

! =============================================================================
!   Averaging coefficients assignment
! =============================================================================

CONTAINS

  SUBROUTINE calcavgco

! - I-edge
    DO k=kbeg,kend+1
      DO j=jbeg,jend+1
        DO i=ibeg,iend
          ijkn = indijk(i ,j ,k ,inoff,ijnoff)        
          avgcoi(:,ijkn) = 0.25_rfreal
        ENDDO
      ENDDO
    ENDDO

! - J-face
    DO k=kbeg,kend+1
      DO j=jbeg,jend
        DO i=ibeg,iend+1
          ijkn = indijk(i ,j ,k ,inoff,ijnoff)        
          avgcoj(:,ijkn) = 0.25_rfreal
        ENDDO
      ENDDO
    ENDDO

! - K-face
    DO k=kbeg,kend
      DO j=jbeg,jend+1
        DO i=ibeg,iend+1
          ijkn = indijk(i ,j ,k ,inoff,ijnoff)        
          avgcok(:,ijkn) = 0.25_rfreal
        ENDDO
      ENDDO
    ENDDO

  END SUBROUTINE calcavgco
  
END SUBROUTINE rflo_c2eavgcoeffsdegec

! ******************************************************************************
!
! RCS Revision history:
!
! $Log: RFLO_C2eAvgCoeffsDegec.F90,v $
! Revision 1.3  2008/12/06 08:44:25  mtcampbe
! Updated license.
!
! Revision 1.2  2008/11/19 22:17:36  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.1  2004/11/29 20:51:38  wasistho
! lower to upper case
!
! Revision 1.1  2004/08/25 07:49:15  wasistho
! added RFLO_C2f/eAvgCoeffsDegec and RFLO_InitAvgCoeffs
!
!
! ******************************************************************************