64 lines
1.9 KiB
Julia
64 lines
1.9 KiB
Julia
include("src/Thesis.jl")
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using .Thesis
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using Dates
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using SPICE
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using LinearAlgebra
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using PlotlyJS: savefig
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try
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furnsh("../../spice_files/naif0012.tls")
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furnsh("../../spice_files/de430.bsp")
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catch
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furnsh("spice_files/naif0012.tls")
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furnsh("spice_files/de430.bsp")
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end
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"""
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The cost function for the mission
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"""
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function easy_cost(m::Union{Mission, Mission_Guess}, C3::Float64, v∞::Float64)
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norm_mass = (m.start_mass - prop(m)[7]) / m.start_mass
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norm_C3 = ( m.launch_v∞ ⋅ m.launch_v∞ ) / C3
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norm_v∞ = norm(m.phases[end].v∞_in) / v∞
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return 3norm_mass + norm_C3# + norm_v∞
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end
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sc = Sc("mySat", 200., 3200., 0.00025, 1, 1.0)
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fuel = 3300.
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max_c3 = 200.
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max_v∞ = 500.
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ideal_launch = DateTime(2024,1,1)
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launch_window = ideal_launch - Day(365), ideal_launch + Day(365)
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latest_arrival = ideal_launch + Year(18)
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println("Max thrust at full bore: $(fuel/(mfr(sc)*Thesis.year)) years")
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println("Max mission length: $((latest_arrival - launch_window[1]).value/(1000Thesis.year)) years")
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# Convenience function for these tests
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Thesis.mbh(fbs) = mbh(fbs,
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sc,
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sc.dry_mass + fuel,
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launch_window,
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max_c3,
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max_v∞,
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latest_arrival,
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easy_cost,
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search_patience=10_000,
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drill_patience=200,
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verbose=true)
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function log(m::Mission, archive::Vector{Mission}, planets::Vector{Body})
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abbrev = join([ planet.name[1] for planet in planets ])
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p = plot(m, title="Best $(abbrev) Trajectory")
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savefig(p,"archive/$(abbrev).html")
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store(m, "archive/$(abbrev)")
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store(archive, "archive/$(abbrev)_archive")
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end
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log(_::Nothing, _::Vector{Mission}, _::Vector{Body}) = println("No Mission Found...")
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planets = [Earth, Venus, Venus, Jupiter, Saturn]
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best, archive = mbh(planets)
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log(best, archive, planets)
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println("Complete!")
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