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 Class 00025 Foam::RosinRammler 00026 00027 Description 00028 Rosin-Rammler pdf 00029 00030 @f[ 00031 cumulative pdf = (1.0 - exp( -((x - d0)/d)^n ) / (1.0 - exp( -((d1 - d0)/d)^n ) 00032 @f] 00033 00034 00035 SourceFiles 00036 RosinRammler.C 00037 00038 \*---------------------------------------------------------------------------*/ 00039 00040 #ifndef RosinRammler_H 00041 #define RosinRammler_H 00042 00043 #include <pdf/pdf.H> 00044 00045 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00046 00047 namespace Foam 00048 { 00049 namespace pdfs 00050 { 00051 00052 /*---------------------------------------------------------------------------*\ 00053 Class RosinRammler Declaration 00054 \*---------------------------------------------------------------------------*/ 00055 00056 class RosinRammler 00057 : 00058 public pdf 00059 { 00060 // Private data 00061 00062 //- Distribution minimum 00063 scalar minValue_; 00064 00065 //- Distribution maximum 00066 scalar maxValue_; 00067 00068 // Model coefficients 00069 00070 scalar d_; 00071 scalar n_; 00072 00073 00074 public: 00075 00076 //- Runtime type information 00077 TypeName("RosinRammler"); 00078 00079 00080 // Constructors 00081 00082 //- Construct from components 00083 RosinRammler 00084 ( 00085 const dictionary& dict, 00086 Random& rndGen 00087 ); 00088 00089 00090 //- Destructor 00091 virtual ~RosinRammler(); 00092 00093 00094 // Member Functions 00095 00096 //- Sample the pdf 00097 virtual scalar sample() const; 00098 00099 //- Return the minimum value 00100 virtual scalar minValue() const; 00101 00102 //- Return the maximum value 00103 virtual scalar maxValue() const; 00104 }; 00105 00106 00107 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00108 00109 } // End namespace pdfs 00110 } // End namespace Foam 00111 00112 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00113 00114 #endif 00115 00116 // ************************ vim: set sw=4 sts=4 et: ************************ //