1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 Works well for combustion applications where optical thickness, tau is
30 large, i.e. tau = a*L > 3 (L = distance between objects)
33 - all surfaces are diffuse
34 - tends to over predict radiative fluxes from sources/sinks
35 *** SOURCES NOT CURRENTLY INCLUDED ***
40 \*---------------------------------------------------------------------------*/
42 #ifndef radiationModelP1_H
43 #define radiationModelP1_H
45 #include "radiationModel.H"
47 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
54 /*---------------------------------------------------------------------------*\
56 \*---------------------------------------------------------------------------*/
64 //- Incident radiation / [W/m2]
67 //- Total radiative heat flux [W/m2]
70 //- Absorption coefficient
73 //- Emission coefficient
76 //- Emission contribution
80 // Private member functions
82 //- Disallow default bitwise copy construct
85 //- Disallow default bitwise assignment
86 void operator=(const P1&);
91 //- Runtime type information
97 //- Construct from components
98 P1(const volScalarField& T);
109 //- Solve radiation equation(s)
112 //- Read radiation properties dictionary
118 //- Source term component (for power of T^4)
119 virtual tmp<volScalarField> Rp() const;
121 //- Source term component (constant)
122 virtual tmp<DimensionedField<scalar, volMesh> > Ru() const;
126 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
128 } // End namespace radiation
129 } // End namespace Foam
131 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
135 // ************************************************************************* //