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JanevReactionRateI.H

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2010 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
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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
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00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
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00023 
00024 \*---------------------------------------------------------------------------*/
00025 
00026 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00027 
00028 namespace Foam
00029 {
00030 
00031 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
00032 
00033 // Construct from components
00034 inline JanevReactionRate::JanevReactionRate
00035 (
00036     const scalar A,
00037     const scalar beta,
00038     const scalar Ta,
00039     const scalar b[]
00040 )
00041 :
00042     A_(A),
00043     beta_(beta),
00044     Ta_(Ta)
00045 {
00046     for (int n=0; n<nb_; n++)
00047     {
00048         b_[n] = b[n];
00049     }
00050 }
00051 
00052 
00053 //- Construct from Istream
00054 inline JanevReactionRate::JanevReactionRate
00055 (
00056     const speciesTable&,
00057     Istream& is
00058 )
00059 :
00060     A_(readScalar(is.readBegin("JanevReactionRate(Istream&)"))),
00061     beta_(readScalar(is)),
00062     Ta_(readScalar(is))
00063 {
00064     for (int n=0; n<nb_; n++)
00065     {
00066         is >> b_[n];
00067     }
00068 
00069     is.readEnd("JanevReactionRate(Istream&)");
00070 }
00071 
00072 
00073 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
00074 
00075 inline scalar JanevReactionRate::operator()
00076 (
00077     const scalar T,
00078     const scalar,
00079     const scalarField&
00080 ) const
00081 {
00082     scalar lta = A_;
00083 
00084     if (mag(beta_) > VSMALL)
00085     {
00086         lta *= pow(T, beta_);
00087     }
00088 
00089     scalar expArg = 0.0;
00090 
00091     if (mag(Ta_) > VSMALL)
00092     {
00093         expArg -= Ta_/T;
00094     }
00095 
00096     scalar lnT = log(T);
00097 
00098     for (int n=0; n<nb_; n++)
00099     {
00100         expArg += b_[n]*pow(lnT, n);
00101     }
00102 
00103     lta *= exp(expArg);
00104 
00105     return lta;
00106 }
00107 
00108 
00109 inline Ostream& operator<<(Ostream& os, const JanevReactionRate& jrr)
00110 {
00111     os  << token::BEGIN_LIST
00112         << jrr.A_ << token::SPACE << jrr.beta_ << token::SPACE << jrr.Ta_;
00113 
00114     for (int n=0; n<JanevReactionRate::nb_; n++)
00115     {
00116         os  << token::SPACE << jrr.b_[n];
00117     }
00118 
00119     os << token::END_LIST;
00120 
00121     return os;
00122 }
00123 
00124 
00125 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00126 
00127 } // End namespace Foam
00128 
00129 // ************************ vim: set sw=4 sts=4 et: ************************ //
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