| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / 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. | |
| 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::fv::phaseChange | |
| Description | |
| Base class for phase change models | |
| SourceFiles | |
| phaseChange.C | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| 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 | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |