Mathematics – Dynamical Systems
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992asdy.conf.1705s&link_type=abstract
IN: Astrodynamics 1991; Proceedings of the AAS/AIAA Astrodynamics Conference, Durango, CO, Aug. 19-22, 1991. Pt. 3 (A92-43251 18
Mathematics
Dynamical Systems
Astrodynamics, Chaos, Dynamical Systems, Orbital Mechanics, Liapunov Functions, Power Spectra, Three Body Problem
Scientific paper
Deterministic dynamical systems are considered where chaoticity is associated with high sensitivity to small changes in the initial conditions. It is shown that, if the initial conditions, the equations of motion, and their solutions are not known for regions of the phase space where instablity is considerable, the motion becomes unpredictable and chaotic. The extent of chaoticity is evaluated by Liapunov's characteristic numbers, Poincare's surface of sections, Fourier power spectra, and, for undamped systems, by the measure of irreversibility.
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