starfish.core.interactions

Class Sigma

java.lang.Object

starfish.core.interactions.Sigma

Direct Known Subclasses:

Sigma.SigmaConst, Sigma.SigmaInv, SigmaPlus.SigmaBird463

public abstract class Sigma
extends java.lang.Object

Collision cross-sections

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Sigma.SigmaConst sigma = [c0]
static interface	Sigma.SigmaFactory
static class	Sigma.SigmaInv sigma = c[0]/g

Field Summary

Fields

Modifier and Type	Field and Description
protected double[]	c

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Sigma()
protected	Sigma(double[] c)

Method Summary

Modifier and Type	Method and Description
abstract double	eval(double g) returns cross-section for the given relative velocit
void	init(Material mat1, Material mat2)

Methods inherited from class java.lang.Object

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

Field Detail

c

protected double[] c

Constructor Detail

Sigma

protected Sigma()

Sigma

protected Sigma(double[] c)

Parameters:

c -

Method Detail

eval

public abstract double eval(double g)

returns cross-section for the given relative velocit

Parameters:

g -

Returns:

y

init

public void init(Material mat1,
                 Material mat2)

Parameters:

mat1 -

mat2 -