db7fac3f24
git-svn-id: https://openfoam-extend.svn.sourceforge.net/svnroot/openfoam-extend/trunk/Core/OpenFOAM-1.5-dev@1731 e4e07f05-0c2f-0410-a05a-b8ba57e0c909
96 lines
3 KiB
C
96 lines
3 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 held by original author
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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 the
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Free Software Foundation; either version 2 of the License, or (at your
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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, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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\*---------------------------------------------------------------------------*/
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#include "HrenyaSinclairViscosity.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(HrenyaSinclairViscosity, 0);
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addToRunTimeSelectionTable
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(
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viscosityModel,
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HrenyaSinclairViscosity,
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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::kineticTheoryModels::HrenyaSinclairViscosity::HrenyaSinclairViscosity
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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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coeffsDict_(dict.subDict(typeName + "Coeffs")),
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L_(coeffsDict_.lookup("L"))
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::kineticTheoryModels::HrenyaSinclairViscosity::~HrenyaSinclairViscosity()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField>
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Foam::kineticTheoryModels::HrenyaSinclairViscosity::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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volScalarField lamda =
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scalar(1) + da/(6.0*sqrt(2.0)*(alpha + scalar(1.0e-5)))/L_;
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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)*(3.0*e - 1)*sqr(alpha)/(3.0-e)
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+ (1.0/6.0)*sqrtPi*alpha*(0.5*lamda + 0.25*(3.0*e - 1.0))
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/(0.5*(3.0 - e)*lamda)
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+ (10/96.0)*sqrtPi/((1.0 + e)*0.5*(3.0 - e)*g0*lamda)
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);
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}
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// ************************************************************************* //
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