00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 2008-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 Class 00025 Foam::absorptionCoeffs 00026 00027 Description 00028 Absorption coefficients class used in greyMeanAbsorptionEmission and 00029 wideBandAbsorptionEmission 00030 00031 SourceFiles 00032 absorptionCoeffs.C 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef absorptionCoeffs_H 00037 #define absorptionCoeffs_H 00038 00039 #include <OpenFOAM/List.H> 00040 #include <OpenFOAM/IOstreams.H> 00041 #include <OpenFOAM/IOdictionary.H> 00042 00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00044 namespace Foam 00045 { 00046 namespace radiation 00047 { 00048 00049 /*---------------------------------------------------------------------------*\ 00050 Class absorptionCoeffs Declaration 00051 \*---------------------------------------------------------------------------*/ 00052 00053 class absorptionCoeffs 00054 { 00055 public: 00056 00057 // Public data members 00058 00059 static const int nCoeffs_ = 6; 00060 typedef FixedList<scalar, nCoeffs_> coeffArray; 00061 00062 00063 private: 00064 00065 // Private data 00066 00067 // Temperature limits of applicability for functions 00068 00069 scalar Tcommon_; 00070 00071 scalar Tlow_; 00072 00073 scalar Thigh_; 00074 00075 00076 // Polynomial using inverse temperatures 00077 bool invTemp_; 00078 00079 coeffArray highACoeffs_; 00080 coeffArray lowACoeffs_; 00081 00082 00083 // Private member functions 00084 00085 //- Check given temperature is within the range of the fitted coeffs 00086 void checkT(const scalar T) const; 00087 00088 00089 public: 00090 00091 // Constructors 00092 00093 //- Construct from Istream 00094 absorptionCoeffs(Istream&); 00095 00096 // Null constructor 00097 absorptionCoeffs() 00098 {} 00099 00100 00101 // Destructor 00102 ~absorptionCoeffs(); 00103 00104 00105 // Member functions 00106 00107 //- Return the coefficients corresponding to the given temperature 00108 const coeffArray& coeffs(const scalar T) const; 00109 00110 // Initialise from a dictionary 00111 void initialise(const dictionary&); 00112 00113 // Initialise from an Istream 00114 void initialise(Istream&); 00115 00116 00117 // Access Functions 00118 00119 inline bool invTemp() const; 00120 00121 inline scalar Tcommon() const; 00122 00123 inline scalar Tlow() const; 00124 00125 inline scalar Thigh() const; 00126 00127 inline const coeffArray& highACoeffs() const; 00128 00129 inline const coeffArray& lowACoeffs() const; 00130 }; 00131 00132 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00133 00134 } // End namespace Foam 00135 } // End namespace radiation 00136 00137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00138 00139 #include "absorptionCoeffsI.H" 00140 00141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00142 00143 #endif 00144 00145 // ************************ vim: set sw=4 sts=4 et: ************************ //
