fr.cnes.sirius.patrius.stela.forces

Class StelaLagrangeEquations

java.lang.Object

fr.cnes.sirius.patrius.stela.forces.StelaLagrangeEquations

public class StelaLagrangeEquations
extends Object

Class for the computation of Lagrange Equations and its derivatives

Computation of Lagrange Equations and its derivatives

Since:

1.3

Version:

$Id$

Author:

Cedric Dental

Concurrency :

not thread-safe

Concurrency comment :

not thread-safe because two threads can simultaneously modify global attributes of the class

Constructor Summary

Constructors

Constructor and Description
StelaLagrangeEquations() simple constructor

Method Summary

Modifier and Type	Method and Description
double[][][]	computeLagrangeDerivativeEquations(StelaEquinoctialOrbit orbit) Computation of the Lagrange equation derivatives matrix (Poisson Bracket derivatives).
double[][]	computeLagrangeEquations(StelaEquinoctialOrbit orbit) Compute the Lagrange Equation for GTO (Poisson Bracket).
double[][]	computeLagrangeEquations(StelaEquinoctialOrbit orbit, double mu) Compute the Lagrange Equation for GTO (Poisson Bracket) with specific mu.

Methods inherited from class java.lang.Object

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

Constructor Detail

StelaLagrangeEquations

public StelaLagrangeEquations()

simple constructor

Method Detail

computeLagrangeEquations

public double[][] computeLagrangeEquations(StelaEquinoctialOrbit orbit)

Compute the Lagrange Equation for GTO (Poisson Bracket).

Parameters:

orbit - current state information: date, kinematics, attitude

Returns:

Lagrange equations

computeLagrangeEquations

public double[][] computeLagrangeEquations(StelaEquinoctialOrbit orbit,
                                           double mu)

Compute the Lagrange Equation for GTO (Poisson Bracket) with specific mu.

Parameters:

orbit - current state information: date, kinematics, attitude

mu - mu

Returns:

Lagrange equations

computeLagrangeDerivativeEquations

public double[][][] computeLagrangeDerivativeEquations(StelaEquinoctialOrbit orbit)

Computation of the Lagrange equation derivatives matrix (Poisson Bracket derivatives).

Parameters:

orbit - current state information: date, kinematics, attitude

Returns:

Lagrange equations