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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2021-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
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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.
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Class
Foam::fv::phaseChange
Description
Base class for phase change models
SourceFiles
phaseChange.C
\*---------------------------------------------------------------------------*/
#ifndef phaseChange_H
#define phaseChange_H
#include "hashedWordList.H"
#include "massTransfer.H"
#include "ThermoRefPair.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
class basicThermo;
class fluidThermo;
class multicomponentThermo;
class fluidMulticomponentThermo;
namespace fv
{
/*---------------------------------------------------------------------------*\
Class phaseChange Declaration
\*---------------------------------------------------------------------------*/
class phaseChange
:
public massTransfer
{
private:
// Private Data
//- The thermo references
const ThermoRefPair<basicThermo> thermos_;
//- Names of the energy fields
const Pair<word> heNames_;
//- The names of the transferring species
hashedWordList species_;
//- The indices of the transferring species in the two phases, or -1 if
// the phase is not multicomponent
List<labelPair> specieis_;
//- Whether or not to linearise the energy source
bool energySemiImplicit_;
// Private Member Functions
//- Non-virtual read
void readCoeffs(const dictionary& dict);
protected:
// Protected Member Functions
//- Read the names of the transferring specie
static wordList readSpecie(const dictionary&, const bool required);
//- Read the names of the transferring species
static wordList readSpecies(const dictionary&, const bool required);
//- Re-read the names of the transferring specie
void reReadSpecie(const dictionary& dict) const;
//- Re-read the names of the transferring species
void reReadSpecies(const dictionary& dict) const;
//- Set the names of the transferring species
void setSpecies
(
const word& name,
const word& modelType,
const wordList& species
);
//- Set the names of the transferring species
void setSpecies(const wordList& species);
//- Re-set the names of the transferring species
void reSetSpecies(const wordList& species);
//- Access the pressure field
const volScalarField& p() const;
//- Add a boundary field to the given internal field
static tmp<volScalarField> vifToVf
(
const tmp<DimensionedField<scalar, fvMesh>>& tvif
);
//- Remove the boundary field from the given geometric field
static tmp<DimensionedField<scalar, fvMesh>> vfToVif
(
const tmp<volScalarField>& tvf
);
public:
//- Runtime type information
TypeName("phaseChange");
// Constructors
//- Construct from explicit source name and mesh
phaseChange
(
const word& name,
const word& modelType,
const fvMesh& mesh,
const dictionary& dict,
const wordList& species
);
// Member Functions
// Access
//- Return the thermo references
inline const ThermoRefPair<basicThermo>& thermos() const;
//- Return the fluid thermo references
const ThermoRefPair<fluidThermo>
fluidThermos(const bool, const bool) const;
//- Return the multicomponent thermo references
const ThermoRefPair<multicomponentThermo>
multicomponentThermos(const bool, const bool) const;
//- Return the fluid multicomponent thermo references
const ThermoRefPair<fluidMulticomponentThermo>
fluidMulticomponentThermos(const bool, const bool) const;
//- Return the names of the energy fields
inline const Pair<word>& heNames() const;
//- Return the names of the transferring species. Empty if neither
// thermo is multicomponent.
inline const hashedWordList& species() const;
//- Return the indices of the transferring specie in the two
// phases, or -1 if the phase is not multicomponent
const labelPair& specieis(const label mDoti = -1) const;
// Evaluation
//- Return the temperature at which the phases are considered to be
// changing. By default this is considered to be the temperature
// of the "source" phase (i.e., the phase for which mDot is
// negative), but this can be overridden to account for heat
// transfer modelling or similar.
virtual tmp<DimensionedField<scalar, fvMesh>> Tchange() const;
//- Return the fraction of the latent heat that is transferred into
// the second phase. By default this is weighted by the phase
// thermal conductivities, but this can be overridden to account
// for heat transfer modelling or similar.
virtual tmp<DimensionedField<scalar, fvMesh>> Lfraction() const;
//- Return the latent heat
tmp<DimensionedField<scalar, fvMesh>> L
(
const label mDoti = -1
) const;
//- Return the latent heat for a given changing temperature
tmp<DimensionedField<scalar, fvMesh>> L
(
const volInternalScalarField& Tchange,
const label mDoti = -1
) const;
//- Return the latent heat for a patch and a given changing
// temperature
tmp<scalarField> L
(
const label patchi,
const scalarField& Tchange,
const label mDoti = -1
) const;
// Sources
//- Return the total phase change rate
virtual tmp<DimensionedField<scalar, fvMesh>> mDot() const;
//- Return the mass transfer rate of a specie
virtual tmp<DimensionedField<scalar, fvMesh>> mDot
(
const label mDoti
) const;
//- Override the energy equation to add the phase change heat, or
// the species equations to add the relevant mass sources
void addSup
(
const volScalarField& alpha,
const volScalarField& rho,
const volScalarField& heOrYi,
fvMatrix<scalar>& eqn
) const;
//- Read source dictionary
virtual bool read(const dictionary& dict);
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace fv
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "phaseChangeI.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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