Files
OpenFOAM-6/src/combustionModels/diffusion/diffusion.C

108 lines
3.3 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2012-2015 OpenFOAM Foundation
\\/ 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 3 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, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "diffusion.H"
#include "fvcGrad.H"
namespace Foam
{
namespace combustionModels
{
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class CombThermoType, class ThermoType>
diffusion<CombThermoType, ThermoType>::diffusion
(
const word& modelType, const fvMesh& mesh
)
:
singleStepCombustion<CombThermoType, ThermoType>(modelType, mesh),
C_(readScalar(this->coeffs().lookup("C"))),
oxidantName_(this->coeffs().template lookupOrDefault<word>("oxidant", "O2"))
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
template<class CombThermoType, class ThermoType>
diffusion<CombThermoType, ThermoType>::~diffusion()
{}
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
template<class CombThermoType, class ThermoType>
void diffusion<CombThermoType, ThermoType>::correct()
{
this->wFuel_ ==
dimensionedScalar("zero", dimMass/pow3(dimLength)/dimTime, 0.0);
if (this->active())
{
this->singleMixturePtr_->fresCorrect();
const label fuelI = this->singleMixturePtr_->fuelIndex();
const volScalarField& YFuel =
this->thermoPtr_->composition().Y()[fuelI];
if (this->thermoPtr_->composition().contains(oxidantName_))
{
const volScalarField& YO2 =
this->thermoPtr_->composition().Y(oxidantName_);
this->wFuel_ ==
C_*this->turbulence().muEff()
*mag(fvc::grad(YFuel) & fvc::grad(YO2))
*pos(YFuel)*pos(YO2);
}
}
}
template<class CombThermoType, class ThermoType>
bool diffusion<CombThermoType, ThermoType>::read()
{
if (singleStepCombustion<CombThermoType, ThermoType>::read())
{
this->coeffs().lookup("C") >> C_ ;
this->coeffs().readIfPresent("oxidant", oxidantName_);
return true;
}
else
{
return false;
}
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace combustionModels
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //