37 lines
1.3 KiB
Julia
37 lines
1.3 KiB
Julia
@testset "Single Shooting" begin
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# Initial Setup
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sc = Sc("test")
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a = rand(15000:1.:40000)
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e = rand(0.01:0.01:0.5)
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i = rand(0.01:0.01:π/6)
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T = 2π*√(a^3/μs["Earth"])
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prop_time = 2T
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n = 50
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# A simple orbit raising
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start = oe_to_xyz([ a, e, i, 0., 0., 0. ], μs["Earth"])
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ΔVs = repeat([0.6, 0., 0.]', outer=(n,1))
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final = prop(ΔVs, start, sc, μs["Earth"], prop_time)[1][end,:]
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new_T = 2π*√(xyz_to_oe(final, μs["Earth"])[1]^3/μs["Earth"])
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# This should be close enough to 0.6
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x0 = repeat([0.59, 0., 0.], n)
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result = single_shoot2(start, final, sc, μs["Earth"], 0.0, prop_time, x0)
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# Test and plot
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@test result[3] == :XTOL_REACHED
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path1 = prop(zeros((100,3)), start, sc, μs["Earth"], T)[1]
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path2, mass = prop(treat_inputs(result[2]), start, sc, μs["Earth"], prop_time)
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path3 = prop(zeros((100,3)), path2[end,:], sc, μs["Earth"], new_T)[1]
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path4 = prop(zeros((100,3)), final, sc, μs["Earth"], new_T)[1]
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savefig(plot_orbits([path1, path2, path3, path4],
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labels=["inital", "transit", "after transit", "final"],
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colors=["#FFFFFF","#FF4444","#44FF44","#4444FF"]),
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"single_shoot_test.html")
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if result[3] == :XTOL_REACHED
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@test norm(path2[end,:] - final) < 1e-6
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end
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end
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