fr.cnes.sirius.patrius.stela.forces

Class AbstractStelaLagrangeContribution

java.lang.Object

fr.cnes.sirius.patrius.stela.forces.AbstractStelaLagrangeContribution

All Implemented Interfaces:

StelaForceModel

Direct Known Subclasses:

SolidTidesAcc, SRPPotential, StelaTesseralAttraction, StelaThirdBodyAttraction, StelaZonalAttraction

public abstract class AbstractStelaLagrangeContribution
extends Object
implements StelaForceModel

This abstract class represents a force with Lagrange attribute, to be used in a StelaGTOPropagator.

Since:

1.3

Version:

$Id$

Author:

Cédric Dental

Concurrency :

immutable

Field Summary

Fields

Modifier and Type	Field and Description
protected double[]	dPot Value of the potential derivative

Constructor Summary

Constructors

Constructor and Description
AbstractStelaLagrangeContribution() Constructor of the class

Method Summary

Modifier and Type	Method and Description
abstract double[]	computePerturbation(StelaEquinoctialOrbit orbit) Compute the dE/dt force derivatives for a given spacecraft state.
double[]	getdPot()
String	getType()

Methods inherited from class java.lang.Object

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

Methods inherited from interface fr.cnes.sirius.patrius.stela.forces.StelaForceModel

computePartialDerivatives, computeShortPeriods

Field Detail

dPot

protected double[] dPot

Value of the potential derivative

Constructor Detail

AbstractStelaLagrangeContribution

public AbstractStelaLagrangeContribution()

Constructor of the class

Method Detail

getType

public String getType()

Specified by:

getType in interface StelaForceModel

Returns:

the type

getdPot

public double[] getdPot()

Returns:

the dPot

computePerturbation

public abstract double[] computePerturbation(StelaEquinoctialOrbit orbit)
                                      throws PatriusException

Compute the dE/dt force derivatives for a given spacecraft state.

Parameters:

orbit - current orbit information: date, kinematics

Returns:

the perturbation dE/dt for the current force

Throws:

PatriusException - if perturbation computation fails