mga_dsm.cpp File Reference

#include "pass_bits/helper/astro_problems/astro_functions.hpp"
#include "pass_bits/helper/astro_problems/lambert.hpp"
#include "pass_bits/helper/astro_problems/mga_dsm.hpp"
#include "pass_bits/helper/astro_problems/pl_eph_an.hpp"
#include "pass_bits/helper/astro_problems/propagate_kep.hpp"

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Functions
void	vector_normalize (const double in[3], double out[3])
void	get_celobj_r_and_v (const mgadsmproblem &problem, const double T, const int i_count, double *r, double *v)
void	precalculate_ers_and_vees (const std::vector< double > &t, const mgadsmproblem &problem, std::vector< double *> &r, std::vector< double *> &v)
double	get_celobj_mu (const mgadsmproblem &problem, const int i_count)
void	first_block (const std::vector< double > &t, const mgadsmproblem &problem, const std::vector< double *> &r, std::vector< double *> &v, std::vector< double > &DV, double v_sc_nextpl_in[3])
void	intermediate_block (const std::vector< double > &t, const mgadsmproblem &problem, const std::vector< double *> &r, const std::vector< double *> &v, int i_count, const double v_sc_pl_in[], std::vector< double > &DV, double *v_sc_nextpl_in)
void	final_block (const mgadsmproblem &problem, const std::vector< double *> &v, const double v_sc_pl_in[], std::vector< double > &DV)
double	time2distance (const double *r0, const double *v0, double rtarget)
int	MGA_DSM (std::vector< double > t, mgadsmproblem &problem, double &J)

Variables
const double	MU [9]
const double	RPL [6]

Function Documentation

final_block()

void final_block	(	const mgadsmproblem &	problem,
		const std::vector< double *> &	v,
		const double	v_sc_pl_in[],
		std::vector< double > &	DV
	)

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first_block()

void first_block	(	const std::vector< double > &	t,
		const mgadsmproblem &	problem,
		const std::vector< double *> &	r,
		std::vector< double *> &	v,
		std::vector< double > &	DV,
		double	v_sc_nextpl_in[3]
	)

t - decision vector problem - problem parameters r - planet positions v - planet velocities DV - [output] velocity contributions table v_sc_pl_in - [output] next hop input speed

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get_celobj_mu()

double get_celobj_mu	(	const mgadsmproblem &	problem,
		const int	i_count
	)

Get gravitational constant of an celestial object of interest.

problem - concerned problem i_count - hop number (starting from 0)

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get_celobj_r_and_v()

void get_celobj_r_and_v	(	const mgadsmproblem &	problem,
		const double	T,
		const int	i_count,
		double *	r,
		double *	v
	)

Compute velocity and position of an celestial object of interest at specified time.

problem - concerned problem T - time i_count - hop number (starting from 0) r - [output] object's position v - [output] object's velocity

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intermediate_block()

void intermediate_block	(	const std::vector< double > &	t,
		const mgadsmproblem &	problem,
		const std::vector< double *> &	r,
		const std::vector< double *> &	v,
		int	i_count,
		const double	v_sc_pl_in[],
		std::vector< double > &	DV,
		double *	v_sc_nextpl_in
	)

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MGA_DSM()

int MGA_DSM	(	std::vector< double >	t,
		mgadsmproblem &	problem,
		double &	J
	)

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precalculate_ers_and_vees()

void precalculate_ers_and_vees	(	const std::vector< double > &	t,
		const mgadsmproblem &	problem,
		std::vector< double *> &	r,
		std::vector< double *> &	v
	)

Precomputes all velocities and positions of celestial objects of interest for the problem. Before calling this function, r and v verctors must be pre-allocated with sufficient amount of entries.

problem - concerned problem r - [output] array of position vectors v - [output] array of velocity vectors

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time2distance()

double time2distance	(	const double *	r0,
		const double *	v0,
		double	rtarget
	)

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vector_normalize()

void vector_normalize	(	const double	in[3],
		double	out[3]
	)

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Variable Documentation

MU

const double MU[9]

Initial value:

= {
    1.32712428e11,      
    22321,              
    324860,             
    398601.19,          
    42828.3,            
    126.7e6,            
    0.37939519708830e8, 
    5.78e6,             
    6.8e6               
}

RPL

const double RPL[6]

Initial value:

= {
    2440,  
    6052,  
    6378,  
    3397,  
    71492, 
    60330  
}