FreeFOAM The Cross-Platform CFD Toolkit
Hosted by SourceForge:
Get FreeFOAM at SourceForge.net.
            Fast, secure and Free Open Source software downloads

SRIFallOffFunctionI.H

Go to the documentation of this file.
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
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 \*---------------------------------------------------------------------------*/
00025 
00026 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
00027 
00028 // Construct from components
00029 inline Foam::SRIFallOffFunction::SRIFallOffFunction
00030 (
00031     const scalar a,
00032     const scalar b,
00033     const scalar c,
00034     const scalar d,
00035     const scalar e
00036 )
00037 :
00038     a_(a),
00039     b_(b),
00040     c_(c),
00041     d_(d),
00042     e_(e)
00043 {}
00044 
00045 
00046 // Construct from Istream
00047 inline Foam::SRIFallOffFunction::SRIFallOffFunction(Istream& is)
00048 :
00049     a_(readScalar(is.readBegin("SRIFallOffFunction(Istream&)"))),
00050     b_(readScalar(is)),
00051     c_(readScalar(is)),
00052     d_(readScalar(is)),
00053     e_(readScalar(is))
00054 {
00055     is.readEnd("SRIFallOffFunction(Istream&)");
00056 }
00057 
00058 
00059 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
00060 
00061 inline Foam::scalar Foam::SRIFallOffFunction::operator()
00062 (
00063     const scalar T,
00064     const scalar Pr
00065 ) const
00066 {
00067     scalar X = 1.0/(1.0 + sqr(log10(max(Pr, SMALL))));
00068     return d_*pow(a_*exp(-b_/T) + exp(-T/c_), X)*pow(T, e_);
00069 }
00070 
00071 
00072 // * * * * * * * * * * * * * * * Ostream Operator  * * * * * * * * * * * * * //
00073 
00074 inline Foam::Ostream& Foam::operator<<
00075 (
00076     Foam::Ostream& os,
00077     const Foam::SRIFallOffFunction& srifof
00078 )
00079 {
00080     os  << token::BEGIN_LIST
00081         << srifof.a_
00082         << token::SPACE << srifof.b_
00083         << token::SPACE << srifof.c_
00084         << token::SPACE << srifof.d_
00085         << token::SPACE << srifof.e_
00086         << token::END_LIST;
00087 
00088     return os;
00089 }
00090 
00091 
00092 // ************************ vim: set sw=4 sts=4 et: ************************ //
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines