117 lines
3.1 KiB
C++
117 lines
3.1 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) 2014-2015 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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Class
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Foam::mixtureViscosityModels::BinghamPlastic
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Description
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Viscosity correction model for Bingham plastics.
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The strain-rate used is defined as sqrt(2.0)*mag(symm(grad(U)))
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SourceFiles
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BinghamPlastic.C
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\*---------------------------------------------------------------------------*/
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#ifndef BinghamPlastic_H
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#define BinghamPlastic_H
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#include "plastic.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace mixtureViscosityModels
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{
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/*---------------------------------------------------------------------------*\
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Class BinghamPlastic Declaration
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\*---------------------------------------------------------------------------*/
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class BinghamPlastic
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:
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public plastic
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{
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protected:
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// Protected data
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//- Yield stress coefficient
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dimensionedScalar yieldStressCoeff_;
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//- Yield stress exponent
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dimensionedScalar yieldStressExponent_;
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//- Yield stress offset
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dimensionedScalar yieldStressOffset_;
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//- Velocity
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const volVectorField& U_;
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public:
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//- Runtime type information
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TypeName("BinghamPlastic");
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// Constructors
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//- Construct from components
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BinghamPlastic
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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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);
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//- Destructor
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~BinghamPlastic()
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{}
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// Member Functions
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//- Return the mixture viscosity
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// given the viscosity of the continuous phase
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tmp<volScalarField> mu(const volScalarField& muc) const;
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//- Read transportProperties dictionary
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bool read(const dictionary& viscosityProperties);
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace mixtureViscosityModels
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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