gridripper::phys::scalar::PeriodicKGEq Class Reference

Klein-Gordon equation with periodic boundary conditions and arbitrary potential term. More...

Inheritance diagram for gridripper::phys::scalar::PeriodicKGEq:

List of all members.

Public Member Functions
	PeriodicKGEq (Parameters p)
final double	getMinX ()
	Gets the minimum x (space) coordinate for the simulation.
final double	getMaxX ()
	Gets the maximum x (space) coordinate for the simulation.
final boolean	isXPeriodic ()
	Tests whether the solution is periodic in x.
final int	eval (double[] dF, double t, double x, double[] F, double[] Fx, Grid grid, int i, Grad d, double dt)
	Overridable PDE evaluation method.
FieldWrapper	createField (int level)
final void	evalConstrainedComponents (Grid g, int i, FieldWrapper fw)
	Evaluates constrained field components.
double	getLightRayX (double t0, double x0, int dir, double t)
	Gets the current position of a light ray.
final PhysicalQuantity[]	getPhysicalQuantities ()
Static Package Functions
	[static initializer]
	Setting field names.
Classes
class	Energy
class	PeriodicIntegrable

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Detailed Description

Klein-Gordon equation with periodic boundary conditions and arbitrary potential term.

Version:

0.5, 11/29/2008

Since:

GridRipper 0.5, 11/29/2005

Author:

Peter Csizmadia

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Member Function Documentation

gridripper::phys::scalar::PeriodicKGEq::[static initializer]

(

)

[inline, static, package]

Setting field names.

final double gridripper::phys::scalar::PeriodicKGEq::getMinX

(

)

[inline, virtual]

Gets the minimum x (space) coordinate for the simulation.

Returns:

the minimum x coordinate (0 here)

Implements gridripper::amr1d::PDE.

final double gridripper::phys::scalar::PeriodicKGEq::getMaxX

(

)

[inline, virtual]

Gets the maximum x (space) coordinate for the simulation.

Returns:

the maximum x coordinate (1 here)

Implements gridripper::amr1d::PDE.

final boolean gridripper::phys::scalar::PeriodicKGEq::isXPeriodic

(

)

[inline]

Tests whether the solution is periodic in x.

Returns:

true in this case

Reimplemented from gridripper::amr1d::PDE.

final int gridripper::phys::scalar::PeriodicKGEq::eval	(	double[]	dF,
		double	t,
		double	x,
		double[]	F,
		double[]	Fx,
		Grid	g,
		int	i,
		Grad	d,
		double	dt
	)			[inline, virtual]

Overridable PDE evaluation method.

Parameters:

	dF	the result array, it will contain the dF/dt values
	t	the time
	x	the space coordinate
	F	the field
	Fx	the space derivative of the field
	g	the grid
	i	index of grid location
	d	the finite difference operator
	dt	time difference

Implements gridripper::amr1d::PDE.

final void gridripper::phys::scalar::PeriodicKGEq::evalConstrainedComponents	(	Grid	g,
		int	i,
		FieldWrapper	fw
	)			[inline, virtual]

Evaluates constrained field components.

Parameters:

	g	the grid
	i	the grid point index
	fw	field values in the grid point

Implements gridripper::amr1d::PDE.

double gridripper::phys::scalar::PeriodicKGEq::getLightRayX	(	double	t0,
		double	x0,
		int	dir,
		double	t
	)			[inline]

Gets the current position of a light ray.

Parameters:

	t0	the initial time
	x0	the initial position
	dir	direction
	t	the current time

Returns:

the current position

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

• gridripper/phys/scalar/PeriodicKGEq.java