131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2014 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "plastic.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace mixtureViscosityModels
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{
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defineTypeNameAndDebug(plastic, 0);
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addToRunTimeSelectionTable
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(
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mixtureViscosityModel,
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plastic,
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dictionary
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);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::mixtureViscosityModels::plastic::plastic
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(
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const word& name,
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const dictionary& viscosityProperties,
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const volVectorField& U,
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const surfaceScalarField& phi,
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const word modelName
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)
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:
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mixtureViscosityModel(name, viscosityProperties, U, phi),
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plasticCoeffs_(viscosityProperties.subDict(modelName + "Coeffs")),
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plasticViscosityCoeff_
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(
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"coeff",
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dimensionSet(1, -1, -1, 0, 0),
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plasticCoeffs_.lookup("coeff")
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),
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plasticViscosityExponent_
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(
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"exponent",
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dimless,
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plasticCoeffs_.lookup("exponent")
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),
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muMax_
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(
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"muMax",
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dimensionSet(1, -1, -1, 0, 0),
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plasticCoeffs_.lookup("muMax")
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),
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alpha_
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(
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U.mesh().lookupObject<volScalarField>
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(
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IOobject::groupName
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(
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viscosityProperties.lookupOrDefault<word>("alpha", "alpha"),
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viscosityProperties.dictName()
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)
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)
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)
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{}
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField>
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Foam::mixtureViscosityModels::plastic::mu(const volScalarField& muc) const
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{
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return min
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(
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muc
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+ plasticViscosityCoeff_
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*(
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pow
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(
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scalar(10),
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plasticViscosityExponent_*alpha_
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) - scalar(1)
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),
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muMax_
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);
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}
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bool Foam::mixtureViscosityModels::plastic::read
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(
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const dictionary& viscosityProperties
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)
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{
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mixtureViscosityModel::read(viscosityProperties);
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plasticCoeffs_ = viscosityProperties.subDict(typeName + "Coeffs");
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plasticCoeffs_.lookup("k") >> plasticViscosityCoeff_;
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plasticCoeffs_.lookup("n") >> plasticViscosityExponent_;
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plasticCoeffs_.lookup("muMax") >> muMax_;
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return true;
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}
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// ************************************************************************* //
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