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

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

#include <RK2.h>

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

List of all members.

Public Member Functions
	RK2 (PDE &pde, const tvalarray< string > *opts, Sigma *sigma)
int	getNumVelocity () const
	Gets the numerical error propagation velocity.
void	integrate (int ir)
	Integrates a partial differential equation.
void	richardson (const AMError &amerr, int ir)
	Richardson error estimation.
Integrator *	createIntegrator (Grid &g, const Sigma *s) const
	Creates a Runge Kutta integrator for the specified grid.
Integrator *	cloneIntegrator (Grid &g) const
	Clones the integrator.
void	getResult (int i, tvalarray< GReal_t > &w) const
	Gets the result of the integration.
Protected Member Functions
	RK2 (const 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	(	const RK2 &	gi,
		Grid &	g
	)			[protected]

Copy constructor.

Parameters:

	gi	the integrator to copy
	g	the new grid

---

Member Function Documentation

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

(

)

const [inline, virtual]

Gets the numerical error propagation velocity.

Returns:

4

Implements gridripper::amr1d::Integrator.

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

(

int

ir

)

[virtual]

Integrates a partial differential equation.

Parameters:

ir

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

Implements gridripper::amr1d::Integrator.

Integrator* gridripper::amr1d::gridint::RK2::createIntegrator	(	Grid &	g,
		const Sigma *	s
	)			const [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.

Integrator* gridripper::amr1d::gridint::RK2::cloneIntegrator

(

Grid &

g

)

const [virtual]

Clones the integrator.

Parameters:

g

the new grid

Implements gridripper::amr1d::Integrator.

void gridripper::amr1d::gridint::RK2::getResult	(	int	i,
		tvalarray< GReal_t > &	w
	)			const [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.h