gridripper::amr1d::gridint::RK4 Class Reference

Fourth order Runge-Kutta method. More...

Inheritance diagram for gridripper::amr1d::gridint::RK4:

List of all members.

Public Member Functions
	RK4 (PDE pde, String[] opts, Sigma sigma)
final int	getNumVelocity ()
	Gets the numerical error propagation velocity.
final void	integrate (int ir)
	Integrates a partial differential equation.
final void	richardson (AMError amerr, int ir)
	Richardson error estimation.
final Integrator	createIntegrator (Grid g, Sigma s)
	Creates a Runge Kutta integrator for the specified grid.
final Integrator	cloneIntegrator (Grid g)
	Clones the integrator.
final void	getResult (int i, double[] w)
	Gets the result of the integration.
Protected Member Functions
	RK4 (RK4 gi, Grid g)
	Copy constructor.

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Detailed Description

Fourth order Runge-Kutta method.

Version:

0.5, 01/07/2009

Author:

Peter Csizmadia

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Constructor & Destructor Documentation

gridripper::amr1d::gridint::RK4::RK4	(	RK4	gi,
		Grid	g
	)			[inline, protected]

Copy constructor.

Parameters:

	gi	the integrator to copy
	g	the new grid

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Member Function Documentation

final int gridripper::amr1d::gridint::RK4::getNumVelocity

(

)

[inline, virtual]

Gets the numerical error propagation velocity.

Returns:

12

Implements gridripper::amr1d::Integrator.

final void gridripper::amr1d::gridint::RK4::integrate

(

int

ir

)

[inline, virtual]

Integrates a partial differential equation.

Parameters:

ir

refined step count (0...r-1)

Implements gridripper::amr1d::Integrator.

final void gridripper::amr1d::gridint::RK4::richardson	(	AMError	amerr,
		int	ir
	)			[inline, virtual]

Richardson error estimation.

Parameters:

	amerr	the error calculation method
	ir	refined step count (0...r-1)

Implements gridripper::amr1d::Integrator.

final Integrator gridripper::amr1d::gridint::RK4::createIntegrator	(	Grid	g,
		Sigma	s
	)			[inline, virtual]

Creates a Runge Kutta integrator for the specified grid.

Parameters:

	g	the grid
	s	dissipation term is multiplied by this factor

Implements gridripper::amr1d::Integrator.

final Integrator gridripper::amr1d::gridint::RK4::cloneIntegrator

(

Grid

g

)

[inline, virtual]

Clones the integrator.

Parameters:

g

the new grid

Implements gridripper::amr1d::Integrator.

final void gridripper::amr1d::gridint::RK4::getResult	(	int	i,
		double[]	w
	)			[inline, virtual]

Gets the result of the integration.

Parameters:

	i	the grid index
	w	the integration result will be copied here

Implements gridripper::amr1d::Integrator.

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

• gridripper/amr1d/gridint/RK4.java