84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 3.2
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "GidaspowViscosity.H"
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#include "mathematicalConstants.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 kineticTheoryModels
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{
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defineTypeNameAndDebug(GidaspowViscosity, 0);
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addToRunTimeSelectionTable(viscosityModel, GidaspowViscosity, dictionary);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::kineticTheoryModels::GidaspowViscosity::GidaspowViscosity
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(
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const dictionary& dict
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)
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:
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viscosityModel(dict)
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::kineticTheoryModels::GidaspowViscosity::~GidaspowViscosity()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField>
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Foam::kineticTheoryModels::GidaspowViscosity::mua
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(
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const volScalarField& alpha,
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const volScalarField& Theta,
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const volScalarField& g0,
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const dimensionedScalar& rhoa,
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const dimensionedScalar& da,
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const dimensionedScalar& e
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) const
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{
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const scalar sqrtPi = sqrt(mathematicalConstant::pi);
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return rhoa*da*sqrt(Theta)*
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(
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(4.0/5.0)*sqr(alpha)*g0*(1.0 + e)/sqrtPi
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+ (1.0/15.0)*sqrtPi*g0*(1.0 + e)*sqr(alpha)
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+ (1.0/6.0)*sqrtPi*alpha
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+ (10.0/96.0)*sqrtPi/((1.0 + e)*g0)
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);
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}
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// ************************************************************************* //
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