1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
14 (at your option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "RosinRammler.H"
27 #include "addToRunTimeSelectionTable.H"
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
33 namespace distributionModels
35 defineTypeNameAndDebug(RosinRammler, 0);
36 addToRunTimeSelectionTable(distributionModel, RosinRammler, dictionary);
40 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
42 Foam::distributionModels::RosinRammler::RosinRammler
44 const dictionary& dict,
48 distributionModel(typeName, dict, rndGen),
49 minValue_(readScalar(distributionModelDict_.lookup("minValue"))),
50 maxValue_(readScalar(distributionModelDict_.lookup("maxValue"))),
51 d_(readScalar(distributionModelDict_.lookup("d"))),
52 n_(readScalar(distributionModelDict_.lookup("n")))
58 Foam::distributionModels::RosinRammler::RosinRammler(const RosinRammler& p)
61 minValue_(p.minValue_),
62 maxValue_(p.maxValue_),
68 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
70 Foam::distributionModels::RosinRammler::~RosinRammler()
74 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
76 Foam::scalar Foam::distributionModels::RosinRammler::sample() const
78 scalar K = 1.0 - exp(-pow((maxValue_ - minValue_)/d_, n_));
79 scalar y = rndGen_.sample01<scalar>();
80 scalar x = minValue_ + d_*::pow(-log(1.0 - y*K), 1.0/n_);
85 Foam::scalar Foam::distributionModels::RosinRammler::minValue() const
91 Foam::scalar Foam::distributionModels::RosinRammler::maxValue() const
97 // ************************************************************************* //