/usr/include/freefoam/ODE/KRR4.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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Class
Foam::KRR4
Description
Foam::KRR4
SourceFiles
KRR4CK.C
KRR4QS.C
\*---------------------------------------------------------------------------*/
#ifndef KRR4_H
#define KRR4_H
#include <ODE/ODESolver.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class KRR4 Declaration
\*---------------------------------------------------------------------------*/
class KRR4
:
public ODESolver
{
// Private data
mutable scalarField yTemp_;
mutable scalarField dydxTemp_;
mutable scalarField g1_;
mutable scalarField g2_;
mutable scalarField g3_;
mutable scalarField g4_;
mutable scalarField yErr_;
mutable scalarField dfdx_;
mutable scalarSquareMatrix dfdy_;
mutable scalarSquareMatrix a_;
mutable labelList pivotIndices_;
static const int maxtry = 40;
static const scalar safety, grow, pgrow, shrink, pshrink, errcon;
static const scalar
gamma,
a21, a31, a32,
c21, c31, c32, c41, c42, c43,
b1, b2, b3, b4,
e1, e2, e3, e4,
c1X, c2X, c3X, c4X,
a2X, a3X;
public:
//- Runtime type information
TypeName("KRR4");
// Constructors
//- Construct from ODE
KRR4(const ODE& ode);
// Member Functions
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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