Package org.orekit.control.indirect.adjoint

Class AbstractCartesianAdjointNonCentralBodyTerm

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.AbstractCartesianAdjointNonCentralBodyTerm

All Implemented Interfaces:

CartesianAdjointEquationTerm

Direct Known Subclasses:

CartesianAdjointSingleBodyTerm, CartesianAdjointThirdBodyTerm

public abstract class AbstractCartesianAdjointNonCentralBodyTerm
extends AbstractCartesianAdjointNewtonianTerm

Abstract class defining the contributions of a point-mass, single body gravity in the adjoint equations for Cartesian coordinates.

Since:

12.2

Author:

Romain Serra

See Also:

CartesianAdjointEquationTerm

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractCartesianAdjointNonCentralBodyTerm(double mu, ExtendedPositionProvider bodyPositionProvider)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected <T extends CalculusFieldElement<T>> T[]	formFieldRelativePosition(FieldAbsoluteDate<T> date, T[] stateVariables, Frame frame)	Form relative position vector w.r.t. body.
protected double[]	formRelativePosition(AbsoluteDate date, double[] stateVariables, Frame frame)	Form relative position vector w.r.t. body.
protected Vector3D	getBodyPosition(AbsoluteDate date, Frame frame)	Get body's position.
protected <T extends CalculusFieldElement<T>> FieldVector3D<T>	getFieldBodyPosition(FieldAbsoluteDate<T> date, Frame frame)	Get body's position.
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, getAcceleration, getFieldAcceleration, getFieldHamiltonianContribution, getHamiltonianContribution

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractCartesianAdjointNonCentralBodyTerm

protected AbstractCartesianAdjointNonCentralBodyTerm(double mu,
                                                     ExtendedPositionProvider bodyPositionProvider)

Constructor.

Parameters:

mu - body gravitational parameter.

bodyPositionProvider - body position provider

Method Detail

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

getBodyPosition

protected Vector3D getBodyPosition(AbsoluteDate date,
                                   Frame frame)

Get body's position.

Parameters:

date - date

frame - frame

Returns:

position vector

getFieldBodyPosition

protected <T extends CalculusFieldElement<T>> FieldVector3D<T> getFieldBodyPosition(FieldAbsoluteDate<T> date,
                                                                                    Frame frame)

Get body's position.

Type Parameters:

T - field type

Parameters:

date - date

frame - frame

Returns:

position vector

formRelativePosition

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

Form relative position vector w.r.t. body.

Parameters:

date - date

stateVariables - Cartesian variables

frame - frame where Cartesian coordinates apply

Returns:

relative position vector as array

formFieldRelativePosition

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

Form relative position vector w.r.t. body.

Type Parameters:

T - field type

Parameters:

date - date

stateVariables - Cartesian variables

frame - frame where Cartesian coordinates apply

Returns:

relative position vector as array