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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM 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 3 of the License, or
(at your option) any later version.
OpenFOAM 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 OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::valueMulticomponentMixture
Description
Thermophysical properties mixing class which applies mass-fraction weighted
mixing to thermodynamic properties and mole-fraction weighted mixing to
transport properties.
SourceFiles
valueMulticomponentMixture.C
\*---------------------------------------------------------------------------*/
#ifndef valueMulticomponentMixture_H
#define valueMulticomponentMixture_H
#include "multicomponentMixture.H"
#include "FieldListSlice.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class valueMulticomponentMixture Declaration
\*---------------------------------------------------------------------------*/
template<class ThermoType>
class valueMulticomponentMixture
:
public multicomponentMixture<ThermoType>
{
public:
// Public Classes
//- Mixing type for thermodynamic properties
class thermoMixtureType
{
// Private Data
//- List of specie thermo
const PtrList<ThermoType>& specieThermos_;
//- List of mass fractions
mutable List<scalar> Y_;
//- Calculate a mass-fraction-weighted property
template<class Method, class ... Args>
scalar massWeighted
(
Method psiMethod,
const Args& ... args
) const;
//- Calculate a harmonic mass-fraction-weighted property
template<class Method, class ... Args>
scalar harmonicMassWeighted
(
Method psiMethod,
const Args& ... args
) const;
//- Limit the given temperature
scalar limit(const scalar T) const;
public:
friend class valueMulticomponentMixture;
// Constructors
//- Construct from list of specie thermo
thermoMixtureType(const PtrList<ThermoType>& specieThermos)
:
specieThermos_(specieThermos),
Y_(specieThermos.size())
{}
// Fundamental properties
//- Molecular weight [kg/kmol]
scalar W() const;
//- Return density [kg/m^3]
scalar rho(scalar p, scalar T) const;
//- Return compressibility [s^2/m^2]
scalar psi(scalar p, scalar T) const;
//- Return volumetric coefficient of thermal expansion [1/T]
scalar alphav(const scalar p, const scalar T) const;
// Heat capacity at constant pressure [J/kg/K]
scalar Cp(const scalar p, const scalar T) const;
// Heat capacity at constant volume [J/kg/K]
scalar Cv(const scalar p, const scalar T) const;
// Sensible enthalpy [J/kg]
scalar hs(const scalar p, const scalar T) const;
// Sensible internal energy [J/kg]
scalar es(const scalar p, const scalar T) const;
// Absolute enthalpy [J/kg]
scalar ha(const scalar p, const scalar T) const;
// Enthalpy of formation [J/kg]
scalar hf() const;
// Mass specific derived properties
//- Heat capacity at constant pressure/volume [J/kg/K]
scalar Cpv(const scalar p, const scalar T) const;
//- Gamma = Cp/Cv []
scalar gamma(const scalar p, const scalar T) const;
//- Enthalpy/Internal energy [J/kg]
scalar he(const scalar p, const scalar T) const;
// Energy->temperature inversion functions
//- Temperature from enthalpy or internal energy
// given an initial temperature T0
scalar The
(
const scalar he,
const scalar p,
const scalar T0
) const;
//- Temperature from sensible internal energy
// given an initial temperature T0
scalar Tes
(
const scalar he,
const scalar p,
const scalar T0
) const;
};
//- Mixing type for transport properties
class transportMixtureType
{
// Private Data
//- List of specie thermo
const PtrList<ThermoType>& specieThermos_;
//- List of mole fractions
mutable List<scalar> X_;
//- Calculate a mole-fraction-weighted property
template<class Method, class ... Args>
scalar moleWeighted
(
Method psiMethod,
const Args& ... args
) const;
public:
friend class valueMulticomponentMixture;
// Constructors
//- Construct from list of specie thermo
transportMixtureType(const PtrList<ThermoType>& specieThermos)
:
specieThermos_(specieThermos),
X_(specieThermos.size())
{}
// Transport properties
//- Dynamic viscosity [kg/m/s]
scalar mu(const scalar p, const scalar T) const;
//- Thermal conductivity [W/m/K]
scalar kappa(const scalar p, const scalar T) const;
};
private:
// Private Data
//- Mutable storage for the cell/face mixture thermo data
mutable thermoMixtureType thermoMixture_;
//- Mutable storage for the cell/face mixture transport data
mutable transportMixtureType transportMixture_;
public:
// Constructors
//- Construct from a dictionary
valueMulticomponentMixture(const dictionary&);
//- Disallow default bitwise copy construction
valueMulticomponentMixture
(
const valueMulticomponentMixture<ThermoType>&
) = delete;
// Member Functions
//- Return the instantiated type name
static word typeName()
{
return word
(
"valueMulticomponentMixture<", ThermoType::typeName(), '>'
);
}
//- Return the mixture for thermodynamic properties
const thermoMixtureType& thermoMixture
(
const scalarFieldListSlice&
) const;
//- Return the mixture for transport properties
const transportMixtureType& transportMixture
(
const scalarFieldListSlice&
) const;
//- Return the mixture for transport properties
const transportMixtureType& transportMixture
(
const scalarFieldListSlice&,
const thermoMixtureType&
) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "valueMulticomponentMixture.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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