RADI_MixtSourceTermsFlim.F90

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!******************************************************************************
!
! Purpose: added radiation source terms to the rhs of fluid Energy eq.
!
! Description: see formulation of FLD (Howell et al. JCP 184 (2003) 53-78)
!
! Input: region = data of current region,
!
! Output: region%levels%mixt%rhs, radiaton source terms added to mixture rhs
!
! Notes: none.
!
!******************************************************************************
!
! $Id: RADI_MixtSourceTermsFlim.F90,v 1.3 2008/12/06 08:44:37 mtcampbe Exp $
!
! Copyright: (c) 2003 by the University of Illinois
!
!******************************************************************************

SUBROUTINE radi_mixtsourcetermsflim( region )

  USE moddatatypes
  USE moddatastruct, ONLY : t_region
  USE modglobal, ONLY     : t_global
  USE moderror
  USE modparameters
  USE radi_modparameters
#ifdef RFLO
  USE modinterfaces, ONLY : rflo_getdimensdummy, rflo_getcelloffset

#include "Indexing.h"
#endif

  IMPLICIT NONE

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

! ... loop variables
  INTEGER :: i, j, k, ijkc, icon
  
! ... local variables
  TYPE(t_global), POINTER :: global

  INTEGER :: ibc, iec, nconstit
  REAL(RFREAL), POINTER :: dv(:,:), rhs(:,:), vol(:)
  REAL(RFREAL), POINTER :: rcv(:,:), coef(:,:)
  REAL(RFREAL) :: stboltz, fourstb, planckalp, btermalp, sterm

#ifdef RFLO
  INTEGER :: idcbeg, idcend, jdcbeg, jdcend, kdcbeg, kdcend
  INTEGER :: ilev, icoff,ijcoff
#endif

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

  global => region%global
  CALL registerfunction( global,'RADI_MixtSourceTermsFlim',&
  'RADI_MixtSourceTermsFlim.F90' )

! get coefficients and parameters ---------------------------------------------

  stboltz = region%radiInput%stBoltz
  fourstb = 4._rfreal*stboltz

! get dimensions and pointers -------------------------------------------------

#ifdef RFLO
  ilev  = region%currLevel

  CALL rflo_getdimensdummy( region,ilev,idcbeg,idcend, &
                            jdcbeg,jdcend,kdcbeg,kdcend )
  CALL rflo_getcelloffset( region,ilev,icoff,ijcoff )

  dv    => region%levels(ilev)%mixt%dv
  rhs   => region%levels(ilev)%mixt%rhs
  rcv   => region%levels(ilev)%radi%cv
  coef  => region%levels(ilev)%radi%radCoef
  vol   => region%levels(ilev)%grid%vol

  DO k=kdcbeg,kdcend
    DO j=jdcbeg,jdcend
      DO i=idcbeg,idcend
        ijkc  = indijk(i     ,j     ,k     ,icoff,ijcoff)
#endif
#ifdef RFLU
  ibc = 1
  iec = region%grid%nCellsTot        

  dv    => region%mixt%dv
  rhs   => region%mixt%rhs
  rcv   => region%radi%cv
  coef  => region%radi%radCoef
  vol   => region%grid%vol

  DO ijkc = ibc,iec
#endif
! ----- src term = bbSourceAlp-planckAlp*c*Er ! bbSourceAlp=planckAlp*bTermAlp

        planckalp = coef(ijkc,radi_coeff_planck)
        btermalp  = fourstb*dv(dv_mixt_temp,ijkc)**4
        sterm = btermalp - dv(dv_mixt_soun,ijkc)*rcv(cv_radi_ener,ijkc)
        sterm = planckalp*sterm

        rhs(cv_mixt_ener,ijkc) = rhs(cv_mixt_ener,ijkc) - vol(ijkc)*sterm

#ifdef RFLO
      ENDDO   ! i
    ENDDO     ! j
  ENDDO       ! k
#endif
#ifdef RFLU
  ENDDO       ! ijkC
#endif

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

  CALL deregisterfunction( global )

END SUBROUTINE radi_mixtsourcetermsflim

!******************************************************************************
!
! RCS Revision history:
!
! $Log: RADI_MixtSourceTermsFlim.F90,v $
! Revision 1.3  2008/12/06 08:44:37  mtcampbe
! Updated license.
!
! Revision 1.2  2008/11/19 22:17:50  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.1  2004/09/30 17:49:10  wasistho
! prepared for full FLD radiation model
!
!
!
!******************************************************************************