RADI_InitInputValues.F90

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!******************************************************************************
!
! Purpose: Initialize user input and parameters derived from it for RADI to 
!          default values.
!
! Description: User input and derived parameters are set to default before 
!              overruled by user input
!
! Input: regions data
!
! Output: regions = initial/default values.
!
! Notes: none.
!
!******************************************************************************
!
! $Id: RADI_InitInputValues.F90,v 1.4 2008/12/06 08:44:37 mtcampbe Exp $
!
! Copyright: (c) 2001 by the University of Illinois
!
!******************************************************************************

#ifdef RFLO
SUBROUTINE radi_initinputvalues( regions )
#endif
#ifdef RFLU
SUBROUTINE radi_initinputvalues
#endif

  USE moddatatypes
  USE modglobal, ONLY     : t_global
#ifdef RFLO
  USE moddatastruct, ONLY : t_region
  USE modradiation, ONLY  : t_radi_input
#endif
#ifdef RFLU
  USE modradiation, ONLY  : radiinput
#endif
  USE moderror
  USE radi_modparameters
  IMPLICIT NONE

! ... parameters
#ifdef RFLO
  TYPE(t_region), POINTER :: regions(:)
#endif

! ... loop variables
#ifdef RFLO
  INTEGER :: ireg
#endif
  INTEGER :: m, n

! ... local variables
  TYPE(t_global), POINTER     :: global
  TYPE(t_radi_input), POINTER :: input

  INTEGER :: errorflag

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

  global => regions(1)%global
  CALL registerfunction( global,'RADI_InitInputValues',&
  'RADI_InitInputValues.F90' )

! global values ---------------------------------------------------------------

  global%radiActive = .false.

! region related values -------------------------------------------------------

#ifdef RFLO
  DO ireg=1,global%nRegions

    input => regions(ireg)%radiInput
#endif
#ifdef RFLU
    input => radinput
#endif

! - general

    input%radiModel  = radi_model_none
    input%media      = radi_media_artif

! - flux limited diffusion parameter values

    input%fluxLim    = fld_lim_lp
    input%spaceDiscr = fld_discr_cen
    input%spaceOrder = fld_discr_ord1
    input%vis2       = 0.0_rfreal
    input%vis4       = 0.0_rfreal
    input%smoocf     = -1._rfreal

! - RTE related initial values

    input%solMethod  = radi_num_none
    input%nOrdin     = 1
    input%nPol       = 1
    input%nAzi       = 1
    input%nAng       = input%nOrdin

! - optical constants

    ALLOCATE( input%optConst(nproperty,nphase), stat = errorflag )
    global%error = errorflag
    IF (global%error /= 0) CALL errorstop( global,err_allocate,__line__ )

    DO n = 1,nphase
      DO m = 1,nproperty
        input%optConst(m,n) = 0._rfreal
        IF (m == phase_prop_d) input%optConst(m,n) = radi_real_micron
      ENDDO ! m
    ENDDO   ! n

! - set initial gas volume fraction to 1.
    input%optConst(phase_prop_v,radi_phase_gas) = 1._rfreal 

! - define gas ext. efficiency s.t. extinction coeff.= 1.e-4 (repr.for air) 
    input%optConst(phase_prop_q,radi_phase_gas) = 1.e-4_rfreal/1.5_rfreal* &
                              input%optConst(phase_prop_d,radi_phase_gas)/ &
                              input%optConst(phase_prop_v,radi_phase_gas)
#ifdef RFLO
  ENDDO  ! iReg
#endif

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

  CALL deregisterfunction( global )

END SUBROUTINE radi_initinputvalues

!******************************************************************************
!
! RCS Revision history:
!
! $Log: RADI_InitInputValues.F90,v $
! Revision 1.4  2008/12/06 08:44:37  mtcampbe
! Updated license.
!
! Revision 1.3  2008/11/19 22:17:50  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.2  2004/09/30 17:10:30  wasistho
! prepared for full FLD radiation model
!
! Revision 1.1  2004/09/22 02:35:49  wasistho
! changed file nomenclature from lower to upper case
!
! Revision 1.8  2004/09/22 01:30:43  wasistho
! switch LFD to FLD for flux limited diffusion
!
! Revision 1.7  2004/09/18 17:40:55  wasistho
! install Limited Flux Diffusion radiation
!
! Revision 1.6  2003/08/01 22:16:20  wasistho
! prepared rocrad for Genx
!
! Revision 1.5  2003/07/30 22:23:18  wasistho
! enter part and smoke data into radiation
!
! Revision 1.4  2003/07/23 03:13:25  wasistho
! cured baby illness
!
! Revision 1.3  2003/07/22 03:03:47  wasistho
! include logical write-parameter
!
! Revision 1.2  2003/07/18 01:38:54  wasistho
! removed bcModel from input data structure
!
! Revision 1.1  2003/07/17 01:16:59  wasistho
! initial activation rocrad
!
!
!
!******************************************************************************