An extrapolation-algorithm, based on the linearly implicit Euler method with step size control and order selection. More...

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Public Member Functions
	TypeName ("seulex")

	seulex (const ODESystem &ode, const dictionary &dict)

virtual	~seulex ()=default

virtual bool	resize ()

virtual void	solve (scalar &x, scalarField &y, stepState &step) const

Public Member Functions inherited from ODESolver
	TypeName ("ODESolver")

	declareRunTimeSelectionTable (autoPtr, ODESolver, dictionary,(const ODESystem &ode, const dictionary &dict),(ode, dict))

	ODESolver (const ODESystem &ode, const dictionary &dict)

	ODESolver (const ODESystem &ode, const scalarField &absTol, const scalarField &relTol)

virtual	~ODESolver ()=default

label	nEqns () const

scalarField &	absTol ()

scalarField &	relTol ()

template<class Type >
void	resizeField (UList< Type > &f) const

void	resizeMatrix (scalarSquareMatrix &m) const

virtual void	solve (scalar &x, scalarField &y, scalar &dxTry) const

virtual void	solve (const scalar xStart, const scalar xEnd, scalarField &y, scalar &dxEst) const

Additional Inherited Members
Static Public Member Functions inherited from ODESolver
static autoPtr< ODESolver >	New (const ODESystem &ode, const dictionary &dict)

template<class Type >
static void	resizeField (UList< Type > &f, const label n)

Protected Member Functions inherited from ODESolver
scalar	normalizeError (const scalarField &y0, const scalarField &y, const scalarField &err) const

	ODESolver (const ODESolver &)=delete

void	operator= (const ODESolver &)=delete

Protected Attributes inherited from ODESolver
const ODESystem &	odes_

const label	maxN_

label	n_

scalarField	absTol_

scalarField	relTol_

label	maxSteps_

Detailed Description

An extrapolation-algorithm, based on the linearly implicit Euler method with step size control and order selection.

Reference:

    Hairer, E., Nørsett, S. P., & Wanner, G. (1996).
    Solving Ordinary Differential Equations II:
    Stiff and Differential-Algebraic Problems, second edition",
    Springer-Verlag, Berlin.

Source files

Definition at line 61 of file seulex.H.

Constructor & Destructor Documentation

◆ seulex()

seulex	(	const ODESystem &	ode,
		const dictionary &	dict
	)

Definition at line 46 of file seulex.C.

References k.

◆ ~seulex()

virtual ~seulex ( )

virtualdefault

Member Function Documentation

◆ TypeName()

TypeName ( "seulex" )

◆ resize()

bool resize ( )

virtual

Implements ODESolver.

Definition at line 210 of file seulex.C.

References ODESolver::resize().

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◆ solve()

void solve	(	scalar &	x,
		scalarField &	y,
		stepState &	step
	)		const

virtual

Reimplemented from ODESolver.

Definition at line 234 of file seulex.C.

References ODESolver::stepState::dxDid, ODESolver::stepState::dxTry, Foam::endl(), ODESolver::stepState::first, forAll, ODESolver::stepState::forward, k, ODESolver::stepState::last, Foam::log10(), Foam::mag(), Foam::max(), Foam::min(), Foam::pow(), ODESolver::stepState::prevReject, ODESolver::stepState::reject, Foam::sqr(), Foam::sqrt(), success, WarningInFunction, x, and y.