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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2023 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
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Class
Foam::multiphaseVoFMixture
Description
Multiphase VoF mixture with support for interface properties
Surface tension and contact-angle is handled for the interface
between each phase-pair.
SourceFiles
multiphaseVoFMixture.C
\*---------------------------------------------------------------------------*/
#ifndef multiphaseVoFMixture_H
#define multiphaseVoFMixture_H
#include "VoFMixture.H"
#include "IOdictionary.H"
#include "PtrListDictionary.H"
#include "VoFphase.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class multiphaseVoFMixture Declaration
\*---------------------------------------------------------------------------*/
class multiphaseVoFMixture
:
public VoFMixture,
public IOdictionary
{
public:
class interfacePair
:
public Pair<word>
{
public:
class hash
:
public Hash<interfacePair>
{
public:
hash()
{}
label operator()(const interfacePair& key) const
{
return word::hash()(key.first()) + word::hash()(key.second());
}
};
// Constructors
interfacePair()
{}
interfacePair(const word& alpha1Name, const word& alpha2Name)
:
Pair<word>(alpha1Name, alpha2Name)
{}
interfacePair(const VoFphase& alpha1, const VoFphase& alpha2)
:
Pair<word>(alpha1.name(), alpha2.name())
{}
// Friend Operators
friend bool operator==
(
const interfacePair& a,
const interfacePair& b
)
{
return
(
((a.first() == b.first()) && (a.second() == b.second()))
|| ((a.first() == b.second()) && (a.second() == b.first()))
);
}
friend bool operator!=
(
const interfacePair& a,
const interfacePair& b
)
{
return (!(a == b));
}
};
protected:
// Protected Data
//- Dictionary of phases
PtrListDictionary<VoFphase> phases_;
const fvMesh& mesh_;
volScalarField alphas_;
typedef HashTable<scalar, interfacePair, interfacePair::hash>
sigmaTable;
sigmaTable sigmas_;
dimensionSet dimSigma_;
//- Stabilisation for normalisation of the interface normal
const dimensionedScalar deltaN_;
// Private Member Functions
void calcAlphas();
tmp<surfaceVectorField> nHatfv
(
const volScalarField& alpha1,
const volScalarField& alpha2
) const;
tmp<volScalarField> K
(
const VoFphase& alpha1,
const VoFphase& alpha2,
const volVectorField& U
) const;
public:
TypeName("multiphaseVoFMixture");
// Constructors
//- Construct from fvMesh
multiphaseVoFMixture
(
const fvMesh& mesh,
const VoFphase::iNew&
);
//- Destructor
virtual ~multiphaseVoFMixture()
{}
// Member Functions
//- Return the phases
PtrListDictionary<VoFphase>& phases()
{
return phases_;
}
tmp<surfaceScalarField> nHatf
(
const volScalarField& alpha1,
const volScalarField& alpha2
) const;
tmp<surfaceScalarField> surfaceTensionForce
(
const volVectorField& U
) const;
//- Indicator of the proximity of the interface
// Field values are 1 near and 0 away for the interface.
tmp<volScalarField> nearInterface() const;
//- Read base phaseProperties dictionary
bool read();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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