adaptiveSolver Class Reference

Inheritance diagram for adaptiveSolver:

Collaboration diagram for adaptiveSolver:

Public Member Functions
	adaptiveSolver (const ODESystem &ode, const dictionary &dict)
	Construct from ODESystem. More...
virtual	~adaptiveSolver ()
	Destructor. More...
virtual scalar	solve (const scalar x0, const scalarField &y0, const scalarField &dydx0, const scalar dx, scalarField &y) const =0
	Solve a single step dx and return the error. More...
void	solve (const ODESystem &ode, scalar &x, scalarField &y, scalar &dxTry) const
	Solve the ODE system and the update the state. More...

Private Attributes
scalar	safeScale_
	Step-size adjustment controls. More...
scalar	alphaInc_
scalar	alphaDec_
scalar	minScale_
scalar	maxScale_
scalarField	dydx0_
	Cache for dydx at the initial time. More...
scalarField	yTemp_
	Temprorary for the test-step solution. More...

Detailed Description

Source files

• adaptiveSolver.H
• adaptiveSolver.C

Definition at line 47 of file adaptiveSolver.H.

Constructor & Destructor Documentation

adaptiveSolver()

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

Construct from ODESystem.

Definition at line 32 of file adaptiveSolver.C.

~adaptiveSolver()

virtual ~adaptiveSolver ( )

inlinevirtual

Destructor.

Definition at line 70 of file adaptiveSolver.H.

Member Function Documentation

solve() [1/2]

virtual scalar solve ( const scalar  x0, const scalarField &  y0, const scalarField &  dydx0, const scalar  dx, scalarField &  y  ) const

pure virtual

Solve a single step dx and return the error.

Implemented in Rosenbrock34, RKDP45, RKF45, RKCK45, rodas34, rodas23, Rosenbrock23, Rosenbrock12, EulerSI, and Trapezoid.

Referenced by Trapezoid::solve(), Euler< Type >::solve(), EulerSI::solve(), Rosenbrock12::solve(), Rosenbrock23::solve(), rodas23::solve(), rodas34::solve(), RKCK45::solve(), RKDP45::solve(), RKF45::solve(), and Rosenbrock34::solve().

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solve() [2/2]

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

Solve the ODE system and the update the state.

Definition at line 50 of file adaptiveSolver.C.

References ODESystem::derivatives(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, Foam::max(), Foam::min(), Foam::pow(), solve(), x, and y.

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Field Documentation

safeScale_

scalar safeScale_

private

Step-size adjustment controls.

Definition at line 52 of file adaptiveSolver.H.

alphaInc_

scalar alphaInc_

private

Definition at line 52 of file adaptiveSolver.H.

alphaDec_

scalar alphaDec_

private

Definition at line 52 of file adaptiveSolver.H.

minScale_

scalar minScale_

private

Definition at line 52 of file adaptiveSolver.H.

maxScale_

scalar maxScale_

private

Definition at line 52 of file adaptiveSolver.H.

dydx0_

scalarField dydx0_

mutableprivate

Cache for dydx at the initial time.

Definition at line 55 of file adaptiveSolver.H.

yTemp_

scalarField yTemp_

mutableprivate

Temprorary for the test-step solution.

Definition at line 58 of file adaptiveSolver.H.

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The documentation for this class was generated from the following files:

• src/ODE/ODESolvers/adaptiveSolver/adaptiveSolver.H
• src/ODE/ODESolvers/adaptiveSolver/adaptiveSolver.C