Package org.orekit.control.indirect.adjoint

Class CartesianAdjointKeplerianTerm

java.lang.Object

org.orekit.control.indirect.adjoint.AbstractCartesianAdjointEquationTerm

org.orekit.control.indirect.adjoint.AbstractCartesianAdjointGravitationalTerm

org.orekit.control.indirect.adjoint.AbstractCartesianAdjointNewtonianTerm

org.orekit.control.indirect.adjoint.CartesianAdjointKeplerianTerm

All Implemented Interfaces:

CartesianAdjointEquationTerm

public class CartesianAdjointKeplerianTerm
extends AbstractCartesianAdjointNewtonianTerm

Class defining the Keplerian contributions in the adjoint equations for Cartesian coordinates. If present, then the propagator should also include the Newtonian attraction of a central body.

Since:

12.2

Author:

Romain Serra

See Also:

• CartesianAdjointEquationTerm
• NewtonianAttraction

Constructor Summary

Constructors

Constructor	Description
CartesianAdjointKeplerianTerm(double mu)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected Vector3D	getAcceleration(AbsoluteDate date, double[] stateVariables, Frame frame)	Compute the acceleration vector.
protected <T extends CalculusFieldElement<T>> FieldVector3D<T>	getFieldAcceleration(FieldAbsoluteDate<T> date, T[] stateVariables, Frame frame)	Compute the acceleration vector.
double[]	getPositionAdjointContribution(AbsoluteDate date, double[] stateVariables, double[] adjointVariables, Frame frame)	Computes the contribution to position adjoint derivatives.
<T extends CalculusFieldElement<T>> T[]	getPositionAdjointFieldContribution(FieldAbsoluteDate<T> date, T[] stateVariables, T[] adjointVariables, Frame frame)	Computes the contribution to position adjoint derivatives.

Methods inherited from class org.orekit.control.indirect.adjoint.AbstractCartesianAdjointNewtonianTerm

getFieldNewtonianAcceleration, getFieldNewtonianVelocityAdjointContribution, getNewtonianAcceleration, getNewtonianVelocityAdjointContribution

Methods inherited from class org.orekit.control.indirect.adjoint.AbstractCartesianAdjointGravitationalTerm

getFieldRatesContribution, getMu, getRatesContribution

Methods inherited from class org.orekit.control.indirect.adjoint.AbstractCartesianAdjointEquationTerm

buildFieldGradientCartesianVector, buildGradientCartesianVector, getFieldHamiltonianContribution, getHamiltonianContribution

Methods inherited from class java.lang.Object

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

Constructor Details

CartesianAdjointKeplerianTerm

public CartesianAdjointKeplerianTerm(double mu)

Constructor.

Parameters:

mu - central body gravitational parameter

Method Details

getPositionAdjointContribution

public double[] getPositionAdjointContribution(AbsoluteDate date,
 double[] stateVariables,
 double[] adjointVariables,
 Frame frame)

Computes the contribution to position adjoint derivatives.

Specified by:

getPositionAdjointContribution in class AbstractCartesianAdjointGravitationalTerm

Parameters:

date - date

stateVariables - state variables

adjointVariables - adjoint variables

frame - propagation frame

Returns:

contribution to position adjoint derivatives

getPositionAdjointFieldContribution

public <T extends CalculusFieldElement<T>> T[] getPositionAdjointFieldContribution(FieldAbsoluteDate<T> date,
 T[] stateVariables,
 T[] adjointVariables,
 Frame frame)

Computes the contribution to position adjoint derivatives.

Specified by:

getPositionAdjointFieldContribution in class AbstractCartesianAdjointGravitationalTerm

Type Parameters:

T - field type

Parameters:

date - date

stateVariables - state variables

adjointVariables - adjoint variables

frame - propagation frame

Returns:

contribution to position adjoint derivatives

getAcceleration

protected Vector3D getAcceleration(AbsoluteDate date,
 double[] stateVariables,
 Frame frame)

Compute the acceleration vector.

Specified by:

getAcceleration in class AbstractCartesianAdjointEquationTerm

Parameters:

date - date

stateVariables - state variables

frame - propagation frame

Returns:

acceleration vector

getFieldAcceleration

protected <T extends CalculusFieldElement<T>>
FieldVector3D<T> getFieldAcceleration(FieldAbsoluteDate<T> date,
 T[] stateVariables,
 Frame frame)

Compute the acceleration vector.

Specified by:

getFieldAcceleration in class AbstractCartesianAdjointEquationTerm

Type Parameters:

T - field type

Parameters:

date - date

stateVariables - state variables

frame - propagation frame

Returns:

acceleration vector