| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2013-2020 OpenFOAM Foundation | |
| \\/ M anipulation | | |
| ------------------------------------------------------------------------------- | |
| License | |
| This file is part of OpenFOAM. | |
| OpenFOAM is free software: you can redistribute it and/or modify it | |
| under the terms of the GNU General Public License as published by | |
| the Free Software Foundation, either version 3 of the License, or | |
| (at your option) any later version. | |
| OpenFOAM is distributed in the hope that it will be useful, but WITHOUT | |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. | |
| Class | |
| Foam::adaptiveSolver | |
| Description | |
| SourceFiles | |
| adaptiveSolver.C | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| /*---------------------------------------------------------------------------*\ | |
| Class adaptiveSolver Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| class adaptiveSolver | |
| { | |
| // Private Data | |
| //- Step-size adjustment controls | |
| scalar safeScale_, alphaInc_, alphaDec_, minScale_, maxScale_; | |
| //- Cache for dydx at the initial time | |
| mutable scalarField dydx0_; | |
| //- Temporary for the test-step solution | |
| mutable scalarField yTemp_; | |
| public: | |
| // Constructors | |
| //- Construct from ODESystem | |
| adaptiveSolver(const ODESystem& ode, const dictionary& dict); | |
| //- Destructor | |
| virtual ~adaptiveSolver() | |
| {} | |
| // Member Functions | |
| //- Resize the ODE solver | |
| bool resize(const label n); | |
| //- Solve a single step dx and return the error | |
| virtual scalar solve | |
| ( | |
| const scalar x0, | |
| const scalarField& y0, | |
| const label li, | |
| const scalarField& dydx0, | |
| const scalar dx, | |
| scalarField& y | |
| ) const = 0; | |
| //- Solve the ODE system and the update the state | |
| void solve | |
| ( | |
| const ODESystem& ode, | |
| scalar& x, | |
| scalarField& y, | |
| const label li, | |
| scalar& dxTry | |
| ) const; | |
| }; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |