Class astrea::astro::KeplerianVop

ClassList > astrea > astro > KeplerianVop

Class implementing the Keplerian VOP equations of motion.

• #include <KeplerianVop.hpp>

Inherits the following classes: astrea::astro::EquationsOfMotion

Public Functions

Type	Name
	KeplerianVop (const ForceModel & forces, const bool doWarn=true) Constructor for the Keplerian VOP class.
virtual StateTransitionMatrix	compute_stm (const State & state, const Vehicle & vehicle) override const Computes the state transition matrix (STM) using Cowell's method.
virtual constexpr std::size_t	get_expected_set_id () override const Returns the expected set of orbital elements for this equations of motion class.
virtual OrbitalElementPartials	operator() (const State & state, const Vehicle & vehicle) override const Computes the partial derivatives of the orbital elements using the Keplerian VOP method.
	~KeplerianVop () = default Destructor for the Keplerian VOP class.

Public Functions inherited from astrea::astro::EquationsOfMotion

See astrea::astro::EquationsOfMotion

Type	Name
	EquationsOfMotion () = default Default constructor for the Equations of Motion class.
virtual StateTransitionMatrix	compute_stm (const State & state, const Vehicle & vehicle) const = 0 Computes the state transition matrix (STM).
virtual constexpr std::size_t	get_expected_set_id () const = 0 Returns the expected set of orbital elements for this method.
virtual OrbitalElementPartials	operator() (const State & state, const Vehicle & vehicle) const = 0 Computes the partial derivatives of the orbital elements.
virtual	~EquationsOfMotion () = default Destructor for the Equations of Motion class.

Public Functions Documentation

function KeplerianVop

Constructor for the Keplerian VOP class.

astrea::astro::KeplerianVop::KeplerianVop (
    const ForceModel & forces,
    const bool doWarn=true
) 

Parameters:

• forces The force model to be used in the equations of motion.
• doWarn Flag to indicate whether to warn about degenerate cases.

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function compute_stm

Computes the state transition matrix (STM) using Cowell's method.

virtual StateTransitionMatrix astrea::astro::KeplerianVop::compute_stm (
    const State & state,
    const Vehicle & vehicle
) override const

Parameters:

• state The current state of the vehicle.
• vehicle The vehicle for which the STM is being computed.

Returns:

StateTransitionMatrix The computed state transition matrix.

Implements astrea::astro::EquationsOfMotion::compute_stm

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function get_expected_set_id

Returns the expected set of orbital elements for this equations of motion class.

inline virtual constexpr std::size_t astrea::astro::KeplerianVop::get_expected_set_id () override const

Returns:

std::size_t The expected set id of orbital elements.

Implements astrea::astro::EquationsOfMotion::get_expected_set_id

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function operator()

Computes the partial derivatives of the orbital elements using the Keplerian VOP method.

virtual OrbitalElementPartials astrea::astro::KeplerianVop::operator() (
    const State & state,
    const Vehicle & vehicle
) override const

Parameters:

• date The current date for which the equations of motion are being computed.
• state The current state of the vehicle.
• vehicle The vehicle for which the equations of motion are being computed.

Returns:

OrbitalElementPartials The computed partial derivatives of the orbital elements.

Dr. Kira Abercromby, Orbits 351: Advanced Orbital Mechanics, Lecture 2: Variation of Parameters

Implements astrea::astro::EquationsOfMotion::operator()

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function ~KeplerianVop

Destructor for the Keplerian VOP class.

astrea::astro::KeplerianVop::~KeplerianVop () = default

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The documentation for this class was generated from the following file astrea/astro/astro/propagation/equations_of_motion/KeplerianVop.hpp