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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 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/>.
\*---------------------------------------------------------------------------*/
#include "Merkle.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace phaseChangeTwoPhaseMixtures
{
defineTypeNameAndDebug(Merkle, 0);
addToRunTimeSelectionTable(phaseChangeTwoPhaseMixture, Merkle, components);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::phaseChangeTwoPhaseMixtures::Merkle::Merkle
(
const volVectorField& U,
const surfaceScalarField& phi
)
:
phaseChangeTwoPhaseMixture(typeName, U, phi),
UInf_(phaseChangeTwoPhaseMixtureCoeffs_.lookup("UInf")),
tInf_(phaseChangeTwoPhaseMixtureCoeffs_.lookup("tInf")),
Cc_(phaseChangeTwoPhaseMixtureCoeffs_.lookup("Cc")),
Cv_(phaseChangeTwoPhaseMixtureCoeffs_.lookup("Cv")),
p0_("0", pSat().dimensions(), 0.0),
mcCoeff_(Cc_/(0.5*sqr(UInf_)*tInf_)),
mvCoeff_(Cv_*rho1()/(0.5*sqr(UInf_)*tInf_*rho2()))
{
correct();
}
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
Foam::Pair<Foam::tmp<Foam::volScalarField>>
Foam::phaseChangeTwoPhaseMixtures::Merkle::mDotAlphal() const
{
const volScalarField& p = alpha1_.db().lookupObject<volScalarField>("p");
return Pair<tmp<volScalarField>>
(
mcCoeff_*max(p - pSat(), p0_),
mvCoeff_*min(p - pSat(), p0_)
);
}
Foam::Pair<Foam::tmp<Foam::volScalarField>>
Foam::phaseChangeTwoPhaseMixtures::Merkle::mDotP() const
{
const volScalarField& p = alpha1_.db().lookupObject<volScalarField>("p");
volScalarField limitedAlpha1(min(max(alpha1_, scalar(0)), scalar(1)));
return Pair<tmp<volScalarField>>
(
mcCoeff_*(1.0 - limitedAlpha1)*pos(p - pSat()),
(-mvCoeff_)*limitedAlpha1*neg(p - pSat())
);
}
void Foam::phaseChangeTwoPhaseMixtures::Merkle::correct()
{}
bool Foam::phaseChangeTwoPhaseMixtures::Merkle::read()
{
if (phaseChangeTwoPhaseMixture::read())
{
phaseChangeTwoPhaseMixtureCoeffs_ = subDict(type() + "Coeffs");
phaseChangeTwoPhaseMixtureCoeffs_.lookup("UInf") >> UInf_;
phaseChangeTwoPhaseMixtureCoeffs_.lookup("tInf") >> tInf_;
phaseChangeTwoPhaseMixtureCoeffs_.lookup("Cc") >> Cc_;
phaseChangeTwoPhaseMixtureCoeffs_.lookup("Cv") >> Cv_;
mcCoeff_ = Cc_/(0.5*sqr(UInf_)*tInf_);
mvCoeff_ = Cv_*rho1()/(0.5*sqr(UInf_)*tInf_*rho2());
return true;
}
else
{
return false;
}
}
// ************************************************************************* //
|
