Hierarchical tree algorithm for collisional N-body simulations on GRAPE

Publications of the Astronomical Society of Japan（2016）

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摘要

We present an implementation of the hierarchical tree algorithm on the individual timestep algorithm (the Hermite scheme) for collisional N-body simulations, running on the GRAPE-9 system, a special-purpose hardware accelerator for gravitational many-body simulations. Such a combination of the tree algorithm and the individual timestep algorithm was not easy on the previous GRAPE system mainly bec...

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关键词

galaxies: star clusters,methods: n-body simulations,stellar dynamics

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