1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright held by original author
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
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13 Free Software Foundation; either version 2 of the License, or (at your
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23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 \*---------------------------------------------------------------------------*/
27 #include "GidaspowViscosity.H"
28 #include "mathematicalConstants.H"
29 #include "addToRunTimeSelectionTable.H"
31 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
35 namespace kineticTheoryModels
37 defineTypeNameAndDebug(GidaspowViscosity, 0);
38 addToRunTimeSelectionTable(viscosityModel, GidaspowViscosity, dictionary);
43 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
45 Foam::kineticTheoryModels::GidaspowViscosity::GidaspowViscosity
47 const dictionary& dict
54 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
56 Foam::kineticTheoryModels::GidaspowViscosity::~GidaspowViscosity()
60 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
62 Foam::tmp<Foam::volScalarField>
63 Foam::kineticTheoryModels::GidaspowViscosity::mua
65 const volScalarField& alpha,
66 const volScalarField& Theta,
67 const volScalarField& g0,
68 const dimensionedScalar& rhoa,
69 const dimensionedScalar& da,
70 const dimensionedScalar& e
73 const scalar sqrtPi = sqrt(mathematicalConstant::pi);
75 return rhoa*da*sqrt(Theta)*
77 (4.0/5.0)*sqr(alpha)*g0*(1.0 + e)/sqrtPi
78 + (1.0/15.0)*sqrtPi*g0*(1.0 + e)*sqr(alpha)
79 + (1.0/6.0)*sqrtPi*alpha
80 + (10.0/96.0)*sqrtPi/((1.0 + e)*g0)
85 // ************************************************************************* //