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!-------------------------------------------------------------------------------
! This file is part of Code_Saturne, a general-purpose CFD tool.
!
! Copyright (C) 1998-2016 EDF S.A.
!
! This program is free software; you can redistribute it and/or modify it under
! the terms of the GNU General Public License as published by the Free Software
! Foundation; either version 2 of the License, or (at your option) any later
! version.
!
! This program is distributed in the hope that it will be useful, but WITHOUT
! ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
! FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
! details.
!
! You should have received a copy of the GNU General Public License along with
! this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
! Street, Fifth Floor, Boston, MA 02110-1301, USA.
!-------------------------------------------------------------------------------
!> \file ppthch.f90
!> Module for specific physics thermophysical data
module ppthch
!===========================================================================
use, intrinsic :: iso_c_binding
use cstphy
implicit none
!===========================================================================
!> \defgroup thermophysical Module for specific physics thermophysical data
!> \addtogroup thermophysical
!> \{
!> reference temperature for the specific physics, in K
double precision trefth
!> reference pressure for the specific physics, in Pa
double precision prefth
!> molar volume under normal pressure and temperature conditions
!> (1 atmosphere, 0 \f$\text{\degresC}\f$) in \f$m^{-3}\f$
double precision volmol
parameter ( trefth = 25.d0 + tkelvi , &
prefth = 1.01325d5 , &
volmol = 22.41d-3 )
!--> DONNEES
!> maximal number of global species
integer ngazgm
!> maximal number of elementary gas components
integer ngazem
!> maximal number of tabulation points
integer npot
!> maximal number of atomic species
integer natom
!> maximal number of global reactions in gas phase
integer nrgazm
parameter( ngazgm = 25 , ngazem = 20 , &
npot = 500 , natom = 5 , nrgazm = 1 )
integer iatc, iath, iato, iatn , iats
parameter( iatc = 1, iath = 2, iato = 3, iatn = 4 , iats = 5 )
!> name of global species
character(len=150) :: nomcog(ngazgm)
!> name of elementary species
character(len=12) :: nomcoe(ngazem)
!> number of tabulation points
integer, save :: npo
!> number of elementary gas components
integer, save :: ngaze
!> number of global species
integer, save :: ngazg
!> number of atomic species
integer, save :: nato
!> number of global reactions in gas phase
integer, save :: nrgaz
!> rank of H2O in gas composition
integer, save :: iih2o
!> rank of CO2 in gas composition
integer, save :: iico2
!> rank of CO in gas composition
integer, save :: iico
!> rank of C in gas composition
integer, pointer, save :: iic
!> rank of fuel in the r-th reaction
integer, save :: igfuel(nrgazm)
!> rank of oxydiser in the r-th reaction
integer, save :: igoxy(nrgazm)
!> rank of products in the r-th reaction
integer, save :: igprod(nrgazm)
!> stoechiometric coefficient of global species
double precision, save :: nreact(ngazgm)
!> temperature (in K)
double precision, save :: th(npot)
!> engaze(ij) is the massic enthalpy (J/kg) of the i-th elementary gas component
!> at temperature th(j)
double precision, save :: ehgaze(ngazem,npot)
!> engazg(ij) is the massic enthalpy (J/kg) of the i-th global secies
!> at temperature th(j)
double precision, save :: ehgazg(ngazgm,npot)
!> cpgazg(ij) is the massic calorific capacity (J/kg/K) of the i-th global secies
!> at temperature th(j)
double precision, save :: cpgazg(ngazgm,npot)
!> molar mass of an elementary gas component
real(c_double), pointer, save :: wmole(:)
!> molar mass of a global species
real(c_double), pointer, save :: wmolg(:)
!> molar mass of atoms
double precision, save :: wmolat(natom)
!> Stoichiometry in reaction global species. Negative for the reactants,
!> and positive for the products
double precision, save :: stoeg(ngazgm,nrgazm)
!> Mixing rate at the stoichiometry
double precision, save :: fs(nrgazm)
!> Absorption coefficient of global species
double precision, save :: ckabsg(ngazgm)
!> Absorption coefficient of gas mixture
real(c_double), pointer, save :: ckabs1
!> molecular diffusivity for the enthalpy (\f$kg.m^{-1}.s^{-1}\f$)
!> for gas or coal combustion (the code then automatically sets
!> \ref optcal::visls0 "visls0" to \ref diftl0 for the scalar
!> representing the enthalpy).
!>
!> Always useful for gas or coal combustion.
double precision, save :: diftl0
!> Molar coefficient of CO2
real(c_double), pointer, save :: xco2
!> Molar coefficient of H2O
real(c_double), pointer, save :: xh2o
!=============================================================================
!> \}
!=============================================================================
interface
!---------------------------------------------------------------------------
!> \cond DOXYGEN_SHOULD_SKIP_THIS
!---------------------------------------------------------------------------
! Interface to C function retrieving pointers to members of the
! global physical model flags
subroutine cs_f_ppthch_get_pointers(p_iic, &
p_wmole, p_wmolg, &
p_xco2, p_xh2o, p_ckabs1) &
bind(C, name='cs_f_ppthch_get_pointers')
use, intrinsic :: iso_c_binding
implicit none
type(c_ptr), intent(out) :: p_iic, &
p_wmolg, p_wmole, p_xco2, p_xh2o, p_ckabs1
end subroutine cs_f_ppthch_get_pointers
!---------------------------------------------------------------------------
!> (DOXYGEN_SHOULD_SKIP_THIS) \endcond
!---------------------------------------------------------------------------
end interface
!=============================================================================
contains
!=============================================================================
!> \brief Initialize Fortran combustion models properties API.
!> This maps Fortran pointers to global C variables.
subroutine thch_models_init
use, intrinsic :: iso_c_binding
implicit none
! Local variables
type(c_ptr) :: p_iic, p_wmole, p_wmolg, p_xco2, p_xh2o, p_ckabs1
call cs_f_ppthch_get_pointers(p_iic, &
p_wmole, p_wmolg, &
p_xco2, p_xh2o, p_ckabs1)
call c_f_pointer(p_iic, iic)
call c_f_pointer(p_wmole, wmole, [ngazem])
call c_f_pointer(p_wmolg, wmolg, [ngazgm])
call c_f_pointer(p_xco2, xco2)
call c_f_pointer(p_xh2o, xh2o)
call c_f_pointer(p_ckabs1, ckabs1)
end subroutine thch_models_init
!=============================================================================
end module ppthch
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