A computational study of the dynamical evolution of self-gravitating systems

Details A computational study of the dynamical evolution of self-gravitating systems A computational study of the dynamical evolution of self-gravitating systems

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jcoph.104...75y&link_type=abstract

Journal of Computational Physics (ISSN 0021-9991), vol. 104, no. 1, p. 75-85.

Statistics

Computation

1

Computational Astrophysics, Cosmology, Gravitation Theory, Astronomical Models, Dynamic Models, Fokker-Planck Equation, Galactic Clusters, Method Of Moments, Stochastic Processes

Scientific paper

Because current computers are unable to suitably simulate the dynamical evolution of self-gravitating systems with a background of abundant light particles via N-body techniques, a stochastic model that generalizes the Fokker-Planck equation moment method to the anisotropic multimass case is presently used to compute the dynamical evolution of self-gravitating astronomical systems. A practical application of the code in modeling the dynamical evolution of a galaxy cluster is presented, in order to demonstrate the physical importance of its foundational assumptions.

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