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::ODE 00026 00027 Description 00028 Abstract base class for the ODE solvers. 00029 00030 \*---------------------------------------------------------------------------*/ 00031 00032 #ifndef ODE_H 00033 #define ODE_H 00034 00035 #include <OpenFOAM/scalarField.H> 00036 #include <OpenFOAM/scalarMatrices.H> 00037 00038 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00039 00040 namespace Foam 00041 { 00042 00043 /*---------------------------------------------------------------------------*\ 00044 Class ODE Declaration 00045 \*---------------------------------------------------------------------------*/ 00046 00047 class ODE 00048 { 00049 00050 public: 00051 00052 // Constructors 00053 00054 //- Construct null 00055 ODE() 00056 {} 00057 00058 00059 // Destructor 00060 00061 virtual ~ODE() 00062 {} 00063 00064 00065 // Member Functions 00066 00067 virtual label nEqns() const = 0; 00068 00069 virtual void derivatives 00070 ( 00071 const scalar x, 00072 const scalarField& y, 00073 scalarField& dydx 00074 ) const = 0; 00075 00076 00077 virtual void jacobian 00078 ( 00079 const scalar x, 00080 const scalarField& y, 00081 scalarField& dfdx, 00082 scalarSquareMatrix& dfdy 00083 ) const = 0; 00084 }; 00085 00086 00087 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00088 00089 } // End namespace Foam 00090 00091 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00092 00093 #endif 00094 00095 // ************************ vim: set sw=4 sts=4 et: ************************ //
