FreeFOAM The Cross-Platform CFD Toolkit
absorptionCoeffs.H
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4  \\ / O peration |
5  \\ / A nd | Copyright (C) 2008-2010 OpenCFD Ltd.
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23 
24 Class
25  Foam::absorptionCoeffs
26 
27 Description
28  Absorption coefficients class used in greyMeanAbsorptionEmission and
29  wideBandAbsorptionEmission
30 
31 SourceFiles
32  absorptionCoeffs.C
33 
34 \*---------------------------------------------------------------------------*/
35 
36 #ifndef absorptionCoeffs_H
37 #define absorptionCoeffs_H
38 
39 #include <OpenFOAM/List.H>
40 #include <OpenFOAM/IOstreams.H>
41 #include <OpenFOAM/IOdictionary.H>
42 
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
44 namespace Foam
45 {
46 namespace radiation
47 {
48 
49 /*---------------------------------------------------------------------------*\
50  Class absorptionCoeffs Declaration
51 \*---------------------------------------------------------------------------*/
52 
54 {
55 public:
56 
57  // Public data members
58 
59  static const int nCoeffs_ = 6;
61 
62 
63 private:
64 
65  // Private data
66 
67  // Temperature limits of applicability for functions
68 
69  scalar Tcommon_;
70 
71  scalar Tlow_;
72 
73  scalar Thigh_;
74 
75 
76  // Polynomial using inverse temperatures
77  bool invTemp_;
78 
79  coeffArray highACoeffs_;
80  coeffArray lowACoeffs_;
81 
82 
83  // Private member functions
84 
85  //- Check given temperature is within the range of the fitted coeffs
86  void checkT(const scalar T) const;
87 
88 
89 public:
90 
91  // Constructors
92 
93  //- Construct from Istream
95 
96  // Null constructor
98  {}
99 
100 
101  // Destructor
103 
104 
105  // Member functions
106 
107  //- Return the coefficients corresponding to the given temperature
108  const coeffArray& coeffs(const scalar T) const;
109 
110  // Initialise from a dictionary
111  void initialise(const dictionary&);
112 
113  // Initialise from an Istream
114  void initialise(Istream&);
115 
116 
117  // Access Functions
118 
119  inline bool invTemp() const;
120 
121  inline scalar Tcommon() const;
122 
123  inline scalar Tlow() const;
124 
125  inline scalar Thigh() const;
126 
127  inline const coeffArray& highACoeffs() const;
128 
129  inline const coeffArray& lowACoeffs() const;
130 };
131 
132 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
133 
134 } // End namespace Foam
135 } // End namespace radiation
136 
137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
138 
139 #include "absorptionCoeffsI.H"
140 
141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
142 
143 #endif
144 
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