Package etomica.cavity

Class MeterPressureCollisionCount

java.lang.Object

etomica.data.DataSourceScalar

etomica.cavity.MeterPressureCollisionCount

All Implemented Interfaces:

IDataSource, IntegratorHard.CollisionListener

public class MeterPressureCollisionCount
extends DataSourceScalar
implements IntegratorHard.CollisionListener

Meter for the pressure by counting the number of collisions (assumes HS potential)

Field Summary

Fields

Modifier and Type	Field	Description
protected long	collisionCount
protected int	dim
protected IntegratorHard	integratorHard
protected double	lastTime

Fields inherited from class etomica.data.DataSourceScalar

data, dataInfo, tag

Constructor Summary

Constructors

Constructor	Description
MeterPressureCollisionCount(IntegratorHard integrator)

Method Summary

Modifier and Type	Method	Description
void	collisionAction(IntegratorHard.Agent agent)	Implementation of CollisionListener interface Adds collision virial (from potential) to accumulator
double	getDataAsScalar()	Returns P = (NT - (virial sum)/((elapsed time)*T*(space dimension)))/V Virial sum and elapsed time apply to period since last call to this method.
IntegratorHard	getIntegrator()
void	reset()

Methods inherited from class etomica.data.DataSourceScalar

getData, getDataDouble, getDataInfo, getTag

Methods inherited from class java.lang.Object

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

Field Detail

dim

protected final int dim

collisionCount

protected long collisionCount

integratorHard

protected final IntegratorHard integratorHard

lastTime

protected double lastTime

Constructor Detail

MeterPressureCollisionCount

public MeterPressureCollisionCount(IntegratorHard integrator)

Method Detail

reset

public void reset()

getDataAsScalar

public double getDataAsScalar()

Returns P = (NT - (virial sum)/((elapsed time)*T*(space dimension)))/V Virial sum and elapsed time apply to period since last call to this method.

Specified by:

getDataAsScalar in class DataSourceScalar

collisionAction

public void collisionAction(IntegratorHard.Agent agent)

Implementation of CollisionListener interface Adds collision virial (from potential) to accumulator

Specified by:

collisionAction in interface IntegratorHard.CollisionListener

getIntegrator

public IntegratorHard getIntegrator()