gridripper::amr1d::gridint::RK2 Class Reference

Second order Runge-Kutta method with second order space discretization. More...

Inheritance diagram for gridripper::amr1d::gridint::RK2:

List of all members.

Public Member Functions
	RK2 (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
	RK2 (RK2 gi, Grid g)
	Copy constructor.

---

Detailed Description

Second order Runge-Kutta method with second order space discretization.

Equivalent to the Crank-Nicholson method with one iteration.

Version:

0.5, 01/07/2009

Author:

Peter Csizmadia

---

Constructor & Destructor Documentation

gridripper::amr1d::gridint::RK2::RK2	(	RK2	gi,
		Grid	g
	)			[inline, protected]

Copy constructor.

Parameters:

	gi	the integrator to copy
	g	the new grid

---

Member Function Documentation

final int gridripper::amr1d::gridint::RK2::getNumVelocity

(

)

[inline, virtual]

Gets the numerical error propagation velocity.

Returns:

4

Implements gridripper::amr1d::Integrator.

final void gridripper::amr1d::gridint::RK2::integrate

(

int

ir

)

[inline, virtual]

Integrates a partial differential equation.

Parameters:

ir

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

Implements gridripper::amr1d::Integrator.

final Integrator gridripper::amr1d::gridint::RK2::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::RK2::cloneIntegrator

(

Grid

g

)

[inline, virtual]

Clones the integrator.

Parameters:

g

the new grid

Implements gridripper::amr1d::Integrator.

final void gridripper::amr1d::gridint::RK2::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.

---

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

• gridripper/amr1d/gridint/RK2.java