Journal Article

Simulations of spheroidal systems with substructure: trees in fields

S. Vine and S. Sigurdsson

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 295, issue 2, pages 475-487
Published in print April 1998 | ISSN: 0035-8711
Published online April 1998 | e-ISSN: 1365-2966 | DOI:
Simulations of spheroidal systems with substructure: trees in fields

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We present a hybrid technique of N-body simulation to deal with collisionless stellar systems having an inhomogeneous global structure. We combine a treecode and a self-consistent field code such that each of the codes models a different component of the system being investigated. The treecode is suited to treatment of dynamically cold or clumpy components, which may undergo significant evolution within a dynamically hot system. The hot system is appropriately evolved by the self-consistent field code. This combined code is particularly suited to a number of problems in galactic dynamics. Applications of the code to these problems are briefly discussed.

Keywords: methods: numerical; celestial mechanics, stellar dynamics; galaxies: interactions; galaxies: kinematics and dynamics.

Journal Article.  0 words. 

Subjects: Astronomy and Astrophysics

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