/usr/include/freefoam/ODE/RK.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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
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You should have received a copy of the GNU General Public License
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Class
Foam::RK
Description
Foam::RK
SourceFiles
RKCK.C
RKQS.C
\*---------------------------------------------------------------------------*/
#ifndef RK_H
#define RK_H
#include <ODE/ODESolver.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class RK Declaration
\*---------------------------------------------------------------------------*/
class RK
:
public ODESolver
{
// Private data
mutable scalarField yTemp_;
mutable scalarField ak2_;
mutable scalarField ak3_;
mutable scalarField ak4_;
mutable scalarField ak5_;
mutable scalarField ak6_;
mutable scalarField yErr_;
mutable scalarField yTemp2_;
static const scalar safety, pGrow, pShrink, errCon;
static const scalar
a2, a3, a4, a5, a6,
b21, b31, b32, b41, b42, b43,
b51, b52, b53, b54, b61, b62, b63, b64, b65,
c1, c3, c4, c6,
dc1, dc3, dc4, dc5, dc6;
public:
//- Runtime type information
TypeName("RK");
// Constructors
//- Construct from ODE
RK(const ODE& ode);
// Member Functions
void solve
(
const ODE& ode,
const scalar x,
const scalarField& y,
const scalarField& dydx,
const scalar h,
scalarField& yout,
scalarField& yerr
) const;
void solve
(
const ODE& ode,
scalar& x,
scalarField& y,
scalarField& dydx,
const scalar eps,
const scalarField& yScale,
const scalar hTry,
scalar& hDid,
scalar& hNext
) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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