fr.cnes.sirius.patrius.assembly.models

Class RediffusedRadiativeModel

java.lang.Object

fr.cnes.sirius.patrius.math.parameter.Parameterizable

fr.cnes.sirius.patrius.assembly.models.RediffusedRadiativeModel

All Implemented Interfaces:

RediffusedRadiationSensitive, IParameterizable, JacobianParametersProvider, Serializable

public final class RediffusedRadiativeModel
extends Parameterizable
implements RediffusedRadiationSensitive

Class that represents a rediffused radiative model, based on the vehicle.

Since:

1.2

Version:

$Id$

Author:

clauded

See Also:

Serialized Form

Concurrency :

not thread-safe

Concurrency comment :

The use of a frame (Assembly attribute) linked to the tree of frames in each of the parts makes this class not thread-safe.

Field Summary

Fields

Modifier and Type	Field and Description
static String	K0ALBEDO_COEFFICIENT Parameter name for K0 albedo global coefficient.
static String	K0IR_COEFFICIENT Parameter name for K0 infrared global coefficient.

Constructor Summary

Constructors

Constructor and Description
RediffusedRadiativeModel(boolean inAlbedo, boolean inIr, double inK0Albedo, double inK0Ir, Assembly inAssembly) Rediffused radiative model (the acceleration is computed from all the sub parts of the vehicle).
RediffusedRadiativeModel(boolean inAlbedo, boolean inIr, Parameter inK0Albedo, Parameter inK0Ir, Assembly inAssembly) Rediffused radiative model (the acceleration is computed from all the sub parts of the vehicle).

Method Summary

Modifier and Type	Method and Description
void	addDAccDParamRediffusedRadiativePressure(SpacecraftState s, Parameter param, double[] dAccdParam) Compute acceleration derivatives.
void	addDAccDStateRediffusedRadiativePressure(SpacecraftState s, double[][] dAccdPos, double[][] dAccdVel) Compute acceleration derivatives.
Assembly	getAssembly() assembly getter
boolean	getFlagAlbedo() albedo getter
boolean	getFlagIr() infrared getter
ArrayList<Parameter>	getJacobianParameters() Get the list of all jacobian parameters supported.
Parameter	getK0Albedo() K0 albedo getter
Parameter	getK0Ir() K0 infrared getter
void	initDerivatives() derivatives initialisation
Vector3D	rediffusedRadiationPressureAcceleration(SpacecraftState state, ElementaryFlux flux) Method to compute the rediffused radiation pressure acceleration, based on the assembly.
void	setAlbedoAcc(boolean albedo) albedo setter
void	setIrAcc(boolean ir) infrared setter

Methods inherited from class fr.cnes.sirius.patrius.math.parameter.Parameterizable

addParameter, getParameters, supportsParameter

Methods inherited from class java.lang.Object

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

Field Detail

K0ALBEDO_COEFFICIENT

public static final String K0ALBEDO_COEFFICIENT

Parameter name for K0 albedo global coefficient.

See Also:

Constant Field Values

K0IR_COEFFICIENT

public static final String K0IR_COEFFICIENT

Parameter name for K0 infrared global coefficient.

See Also:

Constant Field Values

Constructor Detail

RediffusedRadiativeModel

public RediffusedRadiativeModel(boolean inAlbedo,
                                boolean inIr,
                                double inK0Albedo,
                                double inK0Ir,
                                Assembly inAssembly)
                         throws PatriusException

Rediffused radiative model (the acceleration is computed from all the sub parts of the vehicle).

Parameters:

inAlbedo - albedo indicator

inIr - infrared indicator

inK0Albedo - albedo global multiplicative factor

inK0Ir - infrared global multiplicative factor

inAssembly - the considered vehicle.

Throws:

PatriusException - when an Orekit Exception occurs (no radiative properties found)

RediffusedRadiativeModel

public RediffusedRadiativeModel(boolean inAlbedo,
                                boolean inIr,
                                Parameter inK0Albedo,
                                Parameter inK0Ir,
                                Assembly inAssembly)
                         throws PatriusException

Rediffused radiative model (the acceleration is computed from all the sub parts of the vehicle).

Parameters:

inAlbedo - albedo indicator

inIr - infrared indicator

inK0Albedo - albedo global multiplicative factor parameter

inK0Ir - infrared global multiplicative factor parameter

inAssembly - the considered vehicle.

Throws:

PatriusException - when an Orekit Exception occurs (no radiative properties found)

Method Detail

rediffusedRadiationPressureAcceleration

public Vector3D rediffusedRadiationPressureAcceleration(SpacecraftState state,
                                                        ElementaryFlux flux)
                                                 throws PatriusException

Method to compute the rediffused radiation pressure acceleration, based on the assembly.

Specified by:

rediffusedRadiationPressureAcceleration in interface RediffusedRadiationSensitive

Parameters:

state - the current state of the spacecraft.

flux - elementary flux.

Returns:

the acceleration applied on the assembly in SpacecraftState frame.

Throws:

PatriusException - when an Orekit Exception occurs (no radiative properties found)

addDAccDStateRediffusedRadiativePressure

public void addDAccDStateRediffusedRadiativePressure(SpacecraftState s,
                                                     double[][] dAccdPos,
                                                     double[][] dAccdVel)
                                              throws PatriusException

Compute acceleration derivatives.

Specified by:

addDAccDStateRediffusedRadiativePressure in interface RediffusedRadiationSensitive

Parameters:

s - Spacecraft state.

dAccdPos - acceleration derivatives with respect to position

dAccdVel - acceleration derivatives with respect to velocity

Throws:

PatriusException - OREKIT exception

addDAccDParamRediffusedRadiativePressure

public void addDAccDParamRediffusedRadiativePressure(SpacecraftState s,
                                                     Parameter param,
                                                     double[] dAccdParam)
                                              throws PatriusException

Compute acceleration derivatives.

Specified by:

addDAccDParamRediffusedRadiativePressure in interface RediffusedRadiationSensitive

Parameters:

s - Spacecraft state.

param - name of the parameter with respect to which derivatives are required

dAccdParam - acceleration derivatives with respect to specified parameters

Throws:

PatriusException - OREKIT exception

setIrAcc

public void setIrAcc(boolean ir)

infrared setter

Parameters:

ir - calculation indicator of the infrared force

setAlbedoAcc

public void setAlbedoAcc(boolean albedo)

albedo setter

Parameters:

albedo - calculation indicator of the albedo force

initDerivatives

public void initDerivatives()

derivatives initialisation

Specified by:

initDerivatives in interface RediffusedRadiationSensitive

getJacobianParameters

public ArrayList<Parameter> getJacobianParameters()

Get the list of all jacobian parameters supported.

Specified by:

getJacobianParameters in interface JacobianParametersProvider

Returns:

the list of additional parameters for which the jacobians can be computed.

getFlagAlbedo

public boolean getFlagAlbedo()

albedo getter

Specified by:

getFlagAlbedo in interface RediffusedRadiationSensitive

Returns:

calculation indicator of the albedo force

getFlagIr

public boolean getFlagIr()

infrared getter

Specified by:

getFlagIr in interface RediffusedRadiationSensitive

Returns:

calculation indicator of the infrared force

getK0Albedo

public Parameter getK0Albedo()

K0 albedo getter

Specified by:

getK0Albedo in interface RediffusedRadiationSensitive

Returns:

albedo global multiplicative factor

getK0Ir

public Parameter getK0Ir()

K0 infrared getter

Specified by:

getK0Ir in interface RediffusedRadiationSensitive

Returns:

the infrared global multiplicative factor

getAssembly

public Assembly getAssembly()

assembly getter

Specified by:

getAssembly in interface RediffusedRadiationSensitive

Returns:

assembly