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ArrheniusReactionRateI.H

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2005 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 the
00013     Free Software Foundation; either version 2 of the License, or (at your
00014     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, write to the Free Software Foundation,
00023     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
00024 
00025 Description
00026 
00027 \*---------------------------------------------------------------------------*/
00028 
00029 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00030 
00031 namespace Foam
00032 {
00033 
00034 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
00035 
00036 // Construct from components
00037 inline ArrheniusReactionRate::ArrheniusReactionRate
00038 (
00039     const scalar A,
00040     const scalar beta,
00041     const scalar Ta
00042 )
00043 :
00044     A_(A),
00045     beta_(beta),
00046     Ta_(Ta)
00047 {}
00048 
00049 
00050 //- Construct from Istream
00051 inline ArrheniusReactionRate::ArrheniusReactionRate
00052 (
00053     const speciesTable&,
00054     Istream& is
00055 )
00056 :
00057     A_(readScalar(is.readBegin("ArrheniusReactionRate(Istream&)"))),
00058     beta_(readScalar(is)),
00059     Ta_(readScalar(is))
00060 {
00061     is.readEnd("ArrheniusReactionRate(Istream&)");
00062 }
00063 
00064 
00065 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
00066 
00067 inline scalar ArrheniusReactionRate::operator()
00068 (
00069     const scalar T,
00070     const scalar,
00071     const scalarField&
00072 ) const
00073 {
00074     scalar ak = A_;
00075 
00076     if (mag(beta_) > VSMALL)
00077     {
00078         ak *= pow(T, beta_);
00079     }
00080 
00081     if (mag(Ta_) > VSMALL)
00082     {
00083         ak *= exp(-Ta_/T);
00084     }
00085 
00086     return ak;
00087 }
00088 
00089 
00090 inline Ostream& operator<<(Ostream& os, const ArrheniusReactionRate& arr)
00091 {
00092     os  << token::BEGIN_LIST
00093         << arr.A_ << token::SPACE << arr.beta_ << token::SPACE << arr.Ta_
00094         << token::END_LIST;
00095     return os;
00096 }
00097 
00098 
00099 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00100 
00101 } // End namespace Foam
00102 
00103 // ************************************************************************* //
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