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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2012-2026 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 "fviGrad.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace reactionModels
{
defineTypeNameAndDebug(diffusion, 0);
addToRunTimeSelectionTable(reactionModel, diffusion, dictionary);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::reactionModels::diffusion::diffusion
(
const word& modelType,
const fluidMulticomponentThermo& thermo,
const compressibleMomentumTransportModel& turb,
const word& reactionProperties
)
:
singleStepReaction
(
modelType,
thermo,
turb,
reactionProperties
),
C_(this->coeffs().template lookup<scalar>("C")),
oxidantName_(this->coeffs().template lookupOrDefault<word>("oxidant", "O2"))
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::reactionModels::diffusion::~diffusion()
{}
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
void Foam::reactionModels::diffusion::correct()
{
this->wFuel_ = dimensionedScalar(dimensions::density/dimensions::time, 0);
this->fresCorrect();
const label fuelI = this->fuelIndex();
const volScalarField& YFuel = this->thermo().Y()[fuelI];
if (this->thermo().containsSpecie(oxidantName_))
{
const volScalarField& YO2 = this->thermo().Y(oxidantName_);
this->wFuel_ =
C_*this->thermo().rho()()()*this->turbulence().nuEff()()()
*mag(fvi::grad(YFuel) & fvi::grad(YO2))
*pos0(YFuel())*pos0(YO2());
}
}
bool Foam::reactionModels::diffusion::read()
{
if (singleStepReaction::read())
{
this->coeffs().lookup("C") >> C_ ;
this->coeffs().readIfPresent("oxidant", oxidantName_);
return true;
}
else
{
return false;
}
}
// ************************************************************************* //
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