1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "BirdCarreau.H"
27 #include "addToRunTimeSelectionTable.H"
28 #include "surfaceFields.H"
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
34 namespace viscosityModels
36 defineTypeNameAndDebug(BirdCarreau, 0);
37 addToRunTimeSelectionTable
47 // * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * * //
49 Foam::tmp<Foam::volScalarField>
50 Foam::viscosityModels::BirdCarreau::calcNu() const
55 *pow(scalar(1) + sqr(k_*strainRate()), (n_ - 1.0)/2.0);
59 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
61 Foam::viscosityModels::BirdCarreau::BirdCarreau
64 const dictionary& viscosityProperties,
65 const volVectorField& U,
66 const surfaceScalarField& phi
69 viscosityModel(name, viscosityProperties, U, phi),
70 BirdCarreauCoeffs_(viscosityProperties.subDict(typeName + "Coeffs")),
71 nu0_(BirdCarreauCoeffs_.lookup("nu0")),
72 nuInf_(BirdCarreauCoeffs_.lookup("nuInf")),
73 k_(BirdCarreauCoeffs_.lookup("k")),
74 n_(BirdCarreauCoeffs_.lookup("n")),
90 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
92 bool Foam::viscosityModels::BirdCarreau::read
94 const dictionary& viscosityProperties
97 viscosityModel::read(viscosityProperties);
99 BirdCarreauCoeffs_ = viscosityProperties.subDict(typeName + "Coeffs");
101 BirdCarreauCoeffs_.lookup("nu0") >> nu0_;
102 BirdCarreauCoeffs_.lookup("nuInf") >> nuInf_;
103 BirdCarreauCoeffs_.lookup("k") >> k_;
104 BirdCarreauCoeffs_.lookup("n") >> n_;
110 // ************************************************************************* //