Package org.orekit.forces.radiation

Class IsotropicRadiationSingleCoefficient

java.lang.Object

org.orekit.forces.radiation.IsotropicRadiationSingleCoefficient

All Implemented Interfaces:

RadiationSensitive

public class IsotropicRadiationSingleCoefficient
extends Object
implements RadiationSensitive

This class represents the features of a simplified spacecraft.

This model uses a single coefficient cr, considered to be a RadiationSensitive.REFLECTION_COEFFICIENT.

Since:

7.1

Author:

Luc Maisonobe

See Also:

BoxAndSolarArraySpacecraft, IsotropicDrag, IsotropicRadiationCNES95Convention

Field Summary

Fields inherited from interface org.orekit.forces.radiation.RadiationSensitive

ABSORPTION_COEFFICIENT, GLOBAL_RADIATION_FACTOR, REFLECTION_COEFFICIENT

Constructor Summary

Constructors

Constructor	Description
IsotropicRadiationSingleCoefficient(double crossSection, double cr)	Constructor with reflection coefficient min/max set to ±∞.
IsotropicRadiationSingleCoefficient(double crossSection, double cr, double crMin, double crMax)	Constructor with reflection coefficient min/max set by user.

Method Summary

Modifier and Type	Method	Description
List<ParameterDriver>	getRadiationParametersDrivers()	Get the drivers for supported parameters.
<T extends CalculusFieldElement<T>> FieldVector3D<T>	radiationPressureAcceleration(FieldSpacecraftState<T> state, FieldVector3D<T> flux, T[] parameters)	Compute the acceleration due to radiation pressure.
Vector3D	radiationPressureAcceleration(SpacecraftState state, Vector3D flux, double[] parameters)	Compute the acceleration due to radiation pressure.

Methods inherited from class java.lang.Object

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

Constructor Detail

IsotropicRadiationSingleCoefficient

public IsotropicRadiationSingleCoefficient(double crossSection,
                                           double cr)

Constructor with reflection coefficient min/max set to ±∞.

Parameters:

crossSection - Surface (m²)

cr - reflection coefficient

IsotropicRadiationSingleCoefficient

public IsotropicRadiationSingleCoefficient(double crossSection,
                                           double cr,
                                           double crMin,
                                           double crMax)

Constructor with reflection coefficient min/max set by user.

Parameters:

crossSection - Surface (m²)

cr - reflection coefficient

crMin - Minimum value of reflection coefficient

crMax - Maximum value of reflection coefficient

Method Detail

getRadiationParametersDrivers

public List<ParameterDriver> getRadiationParametersDrivers()

Get the drivers for supported parameters.

Specified by:

getRadiationParametersDrivers in interface RadiationSensitive

Returns:

parameters drivers

radiationPressureAcceleration

public Vector3D radiationPressureAcceleration(SpacecraftState state,
                                              Vector3D flux,
                                              double[] parameters)

Compute the acceleration due to radiation pressure.

Specified by:

radiationPressureAcceleration in interface RadiationSensitive

Parameters:

state - current state

flux - radiation flux in the same inertial frame as spacecraft orbit

parameters - values of the force model parameters

Returns:

spacecraft acceleration in the same inertial frame as spacecraft orbit (m/s²)

radiationPressureAcceleration

public <T extends CalculusFieldElement<T>> FieldVector3D<T> radiationPressureAcceleration(FieldSpacecraftState<T> state,
                                                                                          FieldVector3D<T> flux,
                                                                                          T[] parameters)

Compute the acceleration due to radiation pressure.

Specified by:

radiationPressureAcceleration in interface RadiationSensitive

Type Parameters:

T - extends CalculusFieldElement

Parameters:

state - current state

flux - radiation flux in the same inertial frame as spacecraft orbit

parameters - values of the force model parameters

Returns:

spacecraft acceleration in the same inertial frame as spacecraft orbit (m/s²)