138 lines
3.5 KiB
C++
138 lines
3.5 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::radiation::P1
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Description
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Works well for combustion applications where optical thickness, tau is
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large, i.e. tau = a*L > 3 (L = distance between objects)
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Assumes
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- all surfaces are diffuse
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- tends to over predict radiative fluxes from sources/sinks
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*** SOURCES NOT CURRENTLY INCLUDED ***
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SourceFiles
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P1.C
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\*---------------------------------------------------------------------------*/
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#ifndef radiationModelP1_H
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#define radiationModelP1_H
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#include "radiationModel.H"
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#include "volFields.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace radiation
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{
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/*---------------------------------------------------------------------------*\
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Class P1 Declaration
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\*---------------------------------------------------------------------------*/
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class P1
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:
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public radiationModel
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{
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// Private data
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//- Incident radiation / [W/m2]
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volScalarField G_;
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//- Total radiative heat flux [W/m2]
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volScalarField Qr_;
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//- Absorption coefficient
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volScalarField a_;
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//- Emission coefficient
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volScalarField e_;
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//- Emission contribution
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volScalarField E_;
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// Private Member Functions
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//- Disallow default bitwise copy construct
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P1(const P1&);
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//- Disallow default bitwise assignment
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void operator=(const P1&);
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public:
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//- Runtime type information
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TypeName("P1");
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// Constructors
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//- Construct from components
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P1(const volScalarField& T);
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//- Construct from components
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P1(const dictionary& dict, const volScalarField& T);
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//- Destructor
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virtual ~P1();
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// Member functions
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// Edit
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//- Solve radiation equation(s)
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void calculate();
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//- Read radiation properties dictionary
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bool read();
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// Access
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//- Source term component (for power of T^4)
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virtual tmp<volScalarField> Rp() const;
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//- Source term component (constant)
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virtual tmp<DimensionedField<scalar, volMesh>> Ru() const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace radiation
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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