113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | foam-extend: Open Source CFD
|
|
\\ / O peration | Version: 3.2
|
|
\\ / A nd | Web: http://www.foam-extend.org
|
|
\\/ M anipulation | For copyright notice see file Copyright
|
|
-------------------------------------------------------------------------------
|
|
License
|
|
This file is part of foam-extend.
|
|
|
|
foam-extend is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by the
|
|
Free Software Foundation, either version 3 of the License, or (at your
|
|
option) any later version.
|
|
|
|
foam-extend is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "JohnsonJacksonFrictionalStress.H"
|
|
#include "addToRunTimeSelectionTable.H"
|
|
|
|
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
defineTypeNameAndDebug(JohnsonJacksonFrictionalStress, 0);
|
|
|
|
addToRunTimeSelectionTable
|
|
(
|
|
frictionalStressModel,
|
|
JohnsonJacksonFrictionalStress,
|
|
dictionary
|
|
);
|
|
}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
|
|
|
|
Foam::JohnsonJacksonFrictionalStress::JohnsonJacksonFrictionalStress
|
|
(
|
|
const dictionary& dict
|
|
)
|
|
:
|
|
frictionalStressModel(dict)
|
|
{}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
|
|
|
|
Foam::JohnsonJacksonFrictionalStress::~JohnsonJacksonFrictionalStress()
|
|
{}
|
|
|
|
|
|
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
|
|
|
|
Foam::tmp<Foam::volScalarField> Foam::JohnsonJacksonFrictionalStress::
|
|
frictionalPressure
|
|
(
|
|
const volScalarField& alpha,
|
|
const dimensionedScalar& alphaMinFriction,
|
|
const dimensionedScalar& alphaMax,
|
|
const dimensionedScalar& Fr,
|
|
const dimensionedScalar& eta,
|
|
const dimensionedScalar& p
|
|
) const
|
|
{
|
|
|
|
return
|
|
Fr*pow(max(alpha - alphaMinFriction, scalar(0)), eta)
|
|
/pow(max(alphaMax - alpha, scalar(5.0e-2)), p);
|
|
}
|
|
|
|
|
|
Foam::tmp<Foam::volScalarField> Foam::JohnsonJacksonFrictionalStress::
|
|
frictionalPressurePrime
|
|
(
|
|
const volScalarField& alpha,
|
|
const dimensionedScalar& alphaMinFriction,
|
|
const dimensionedScalar& alphaMax,
|
|
const dimensionedScalar& Fr,
|
|
const dimensionedScalar& eta,
|
|
const dimensionedScalar& p
|
|
) const
|
|
{
|
|
return Fr*
|
|
(
|
|
eta*pow(max(alpha - alphaMinFriction, scalar(0)), eta - 1.0)
|
|
*(alphaMax-alpha) + p*pow(max(alpha - alphaMinFriction, scalar(0)), eta)
|
|
)/pow(max(alphaMax - alpha, scalar(5.0e-2)), p + 1.0);
|
|
}
|
|
|
|
|
|
Foam::tmp<Foam::volScalarField> Foam::JohnsonJacksonFrictionalStress::muf
|
|
(
|
|
const volScalarField& alpha,
|
|
const dimensionedScalar& alphaMax,
|
|
const volScalarField& pf,
|
|
const volTensorField& D,
|
|
const dimensionedScalar& phi
|
|
) const
|
|
{
|
|
return dimensionedScalar("0.5", dimTime, 0.5)*pf*sin(phi);
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|