MarshakRadiationFixedTemperatureFvPatchScalarField.C

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2024 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 "MarshakRadiationFixedTemperatureFvPatchScalarField.H"
#include "addToRunTimeSelectionTable.H"
#include "fieldMapper.H"
#include "volFields.H"
#include "radiationModel.H"
#include "physicoChemicalConstants.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::MarshakRadiationFixedTemperatureFvPatchScalarField::
MarshakRadiationFixedTemperatureFvPatchScalarField
(
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const dictionary& dict
)
:
    mixedFvPatchScalarField(p, iF, dict, false),
    radiationCoupledBase(p, dict),
    Trad_("Trad", dimTemperature, dict, p.size())
{
    // refValue updated on each call to updateCoeffs()
    refValue() = 4.0*constant::physicoChemical::sigma.value()*pow4(Trad_);
 
    // zero gradient
    refGrad() = 0.0;
 
    valueFraction() = 1.0;
 
    fvPatchScalarField::operator=(refValue());
}
 
 
Foam::MarshakRadiationFixedTemperatureFvPatchScalarField::
MarshakRadiationFixedTemperatureFvPatchScalarField
(
    const MarshakRadiationFixedTemperatureFvPatchScalarField& ptf,
    const fvPatch& p,
    const DimensionedField<scalar, volMesh>& iF,
    const fieldMapper& mapper
)
:
    mixedFvPatchScalarField(ptf, p, iF, mapper),
    radiationCoupledBase
    (
        p,
        ptf.emissivityMethod(),
        ptf.emissivity_,
        mapper
    ),
    Trad_(mapper(ptf.Trad_))
{}
 
 
Foam::MarshakRadiationFixedTemperatureFvPatchScalarField::
MarshakRadiationFixedTemperatureFvPatchScalarField
(
    const MarshakRadiationFixedTemperatureFvPatchScalarField& ptf,
    const DimensionedField<scalar, volMesh>& iF
)
:
    mixedFvPatchScalarField(ptf, iF),
    radiationCoupledBase
    (
        ptf.patch(),
        ptf.emissivityMethod(),
        ptf.emissivity_
    ),
    Trad_(ptf.Trad_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::MarshakRadiationFixedTemperatureFvPatchScalarField::map
(
    const fvPatchScalarField& ptf,
    const fieldMapper& mapper
)
{
    mixedFvPatchScalarField::map(ptf, mapper);
    radiationCoupledBase::map(ptf, mapper);
    const MarshakRadiationFixedTemperatureFvPatchScalarField& mrptf =
        refCast<const MarshakRadiationFixedTemperatureFvPatchScalarField>(ptf);
 
    mapper(Trad_, mrptf.Trad_);
}
 
 
void Foam::MarshakRadiationFixedTemperatureFvPatchScalarField::reset
(
    const fvPatchScalarField& ptf
)
{
    mixedFvPatchScalarField::reset(ptf);
    radiationCoupledBase::reset(ptf);
    const MarshakRadiationFixedTemperatureFvPatchScalarField& mrptf =
        refCast<const MarshakRadiationFixedTemperatureFvPatchScalarField>(ptf);
 
    Trad_.reset(mrptf.Trad_);
}
 
 
void Foam::MarshakRadiationFixedTemperatureFvPatchScalarField::updateCoeffs()
{
    if (this->updated())
    {
        return;
    }
 
    // Since we're inside initEvaluate/evaluate there might be processor
    // comms underway. Change the tag we use.
    int oldTag = UPstream::msgType();
    UPstream::msgType() = oldTag+1;
 
    // Re-calc reference value
    refValue() = 4.0*constant::physicoChemical::sigma.value()*pow4(Trad_);
 
    // Diffusion coefficient - created by radiation model's ::updateCoeffs()
    const scalarField& gamma =
        patch().lookupPatchField<volScalarField, scalar>("gammaRad");
 
    const scalarField emissivity(this->emissivity());
 
    const scalarField Ep(emissivity/(2*(2 - emissivity)));
 
    // Set value fraction
    valueFraction() = 1.0/(1.0 + gamma*patch().deltaCoeffs()/Ep);
 
    // Restore tag
    UPstream::msgType() = oldTag;
 
    mixedFvPatchScalarField::updateCoeffs();
}
 
 
void Foam::MarshakRadiationFixedTemperatureFvPatchScalarField::write
(
    Ostream& os
) const
{
    mixedFvPatchScalarField::write(os);
    radiationCoupledBase::write(os);
    writeEntry(os, "Trad", Trad_);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchScalarField,
        MarshakRadiationFixedTemperatureFvPatchScalarField
    );
}
 
 
// ************************************************************************* //