Statistics – Computation
Scientific paper
Feb 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.242..576a&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 242, Feb. 15, 1990, p. 576-594.
Statistics
Computation
45
Circular Orbits, Computational Astrophysics, Many Body Problem, Orbit Perturbation, Orbital Mechanics, Bessel Functions, Conservation Equations, Dynamical Systems, Equations Of Motion, Radial Distribution
Scientific paper
A smooth potential numerical technique has been developed for simulating dynamical systems for which the potential can be described adequately by a small number of basis functions. The technique produces little numerical diffusion in phase space for individual stars, but gives a full description down to the level of individual orbits. The technique is applied to the stability of isolated, initially spherical systems. Results are presented from using the technique to study the radial and circular orbit instabilities in spherical systems, showing good agreement with linear theory.
Allen Anthony J.
Palmer P. L.
Papaloizou John
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