Files
openfoam/src/thermophysicalModels/radiation/radiationModel/radiationModel/radiationModel.C
2009-03-26 18:14:00 +00:00

157 lines
3.8 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM 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 2 of the License, or (at your
option) any later version.
OpenFOAM 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 OpenFOAM; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include "radiationModel.H"
#include "absorptionEmissionModel.H"
#include "scatterModel.H"
#include "fvm.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace radiation
{
defineTypeNameAndDebug(radiationModel, 0);
defineRunTimeSelectionTable(radiationModel, dictionary);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::radiation::radiationModel::radiationModel(const volScalarField& T)
:
IOdictionary
(
IOobject
(
"radiationProperties",
T.time().constant(),
T.mesh(),
IOobject::MUST_READ,
IOobject::NO_WRITE
)
),
mesh_(T.mesh()),
time_(T.time()),
T_(T),
radiation_(false),
coeffs_(dictionary::null),
solverFreq_(0),
absorptionEmission_(NULL),
scatter_(NULL)
{}
Foam::radiation::radiationModel::radiationModel
(
const word& type,
const volScalarField& T
)
:
IOdictionary
(
IOobject
(
"radiationProperties",
T.time().constant(),
T.mesh(),
IOobject::MUST_READ,
IOobject::NO_WRITE
)
),
mesh_(T.mesh()),
time_(T.time()),
T_(T),
radiation_(lookup("radiation")),
coeffs_(subDict(type + "Coeffs")),
solverFreq_(readLabel(lookup("solverFreq"))),
absorptionEmission_(absorptionEmissionModel::New(*this, mesh_)),
scatter_(scatterModel::New(*this, mesh_))
{
solverFreq_ = max(1, solverFreq_);
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * //
Foam::radiation::radiationModel::~radiationModel()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
bool Foam::radiation::radiationModel::read()
{
if (regIOobject::read())
{
lookup("radiation") >> radiation_;
coeffs_ = subDict(type() + "Coeffs");
return true;
}
else
{
return false;
}
}
void Foam::radiation::radiationModel::correct()
{
if (!radiation_)
{
return;
}
if (time_.timeIndex() % solverFreq_ == 0)
{
calculate();
}
}
Foam::tmp<Foam::fvScalarMatrix> Foam::radiation::radiationModel::Sh
(
basicThermo& thermo
) const
{
volScalarField& h = thermo.h();
const volScalarField cp = thermo.Cp();
const volScalarField T3 = pow3(T_);
return
(
Ru()
- fvm::Sp(4.0*Rp()*T3/cp, h)
- Rp()*T3*(T_ - 4.0*h/cp)
);
}
// ************************************************************************* //