fr.cnes.genopus.nonWidget.vehicle.aeroCoeffs
Class CustomAeroCoeffByMach

java.lang.Object
  fr.cnes.genopus.nonWidget.vehicle.aeroCoeffs.CustomAeroCoeffByOneVarAbstract
      fr.cnes.genopus.nonWidget.vehicle.aeroCoeffs.CustomAeroCoeffByMach

All Implemented Interfaces:

Serializable, org.orekit.parameter.IParamDiffFunction, org.orekit.parameter.IParameterizable, org.orekit.parameter.IParameterizableFunction

public class CustomAeroCoeffByMach
extends CustomAeroCoeffByOneVarAbstract

Aerodynamic coefficient as a function of the mach number.

Author:

sumelzi

See Also:

Serialized Form

Constructor Summary

CustomAeroCoeffByMach(Double[] xVariable, Double[] yVariable, org.orekit.forces.atmospheres.Atmosphere atmosphere)
Creates a new instance entering the x and y variables as doubles.

Method Summary

protected double	computeXVariable(org.orekit.propagation.SpacecraftState state) Computes the x variable from the spacecraft state.
protected static double	machFromSpacecraftState(org.orekit.propagation.SpacecraftState state, org.orekit.forces.atmospheres.Atmosphere atmosphere) Computes the mach number from the spacecraft state and an atmosphere model.

Methods inherited from class fr.cnes.genopus.nonWidget.vehicle.aeroCoeffs.CustomAeroCoeffByOneVarAbstract

derivativeValue, extendedVectorY, getFunction, getParameters, getXArray, getYArray, isDifferentiableBy, supportsParameter, toString, value

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomAeroCoeffByMach

public CustomAeroCoeffByMach(Double[] xVariable,
                             Double[] yVariable,
                             org.orekit.forces.atmospheres.Atmosphere atmosphere)

Creates a new instance entering the x and y variables as doubles.

Parameters:

xVariable - array of x variables (mach number)

yVariable - array of y variables (aerodynamic coefficient)

atmosphere - atmosphere model

Method Detail

computeXVariable

protected double computeXVariable(org.orekit.propagation.SpacecraftState state)
                           throws NonWidgetException

Computes the x variable from the spacecraft state.

Specified by:

computeXVariable in class CustomAeroCoeffByOneVarAbstract

Parameters:

state - the spacecraft state

Returns:

the x variable

Throws:

NonWidgetException - if the transformation from state frame to ITRF cannot be computed

machFromSpacecraftState

protected static double machFromSpacecraftState(org.orekit.propagation.SpacecraftState state,
                                                org.orekit.forces.atmospheres.Atmosphere atmosphere)
                                         throws NonWidgetException

Computes the mach number from the spacecraft state and an atmosphere model.

Parameters:

state - the spacecraft state

atmosphere - the atmosphere model

Returns:

the mach number

Throws:

NonWidgetException - if the transformation from state frame to ITRF cannot be computed