jabble.stencils
Class Cartesian2DStencils

java.lang.Object
  jabble.stencils.Cartesian2DStencils

public class Cartesian2DStencils
extends java.lang.Object

Stencil library for operators on Fields in 2D cartesian space.

Method Summary

static double	laplacian(Field field)
static double	laplacianBoundary(Field field)
static double	laplacianBulk(Field field) Calculates (F(x+1, y) - 2*F(x, y) + F(x-1, y)) / dx2 + (F(x, y+1) - 2*F(x, y) + F(x, y-1)) / dy2.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

laplacianBulk

public static double laplacianBulk(Field field)

Calculates (F(x+1, y) - 2*F(x, y) + F(x-1, y)) / dx2 + (F(x, y+1) - 2*F(x, y) + F(x, y-1)) / dy2.

Parameters:

field - The Field on which to calculate the laplacian

Returns:

The laplacian of the Field at the point defined by StencilUtils.getPoint()

laplacian

public static double laplacian(Field field)

laplacianBoundary

public static double laplacianBoundary(Field field)