N-body simulations using customised potential-density pair basis sets

Details N-body simulations using customised potential-density pair basis sets N-body simulations using customised potential-density pair basis sets

1998-06-02

arxiv.org/abs/astro-ph/9806031v1

Astronomy and Astrophysics

Astrophysics

Accepted by MNRAS. 13 pages, 11 figures. LaTeX2.09 in the MN style

Scientific paper

Potential-density pair basis sets can be used for highly efficient N-body simulation codes, but they suffer from a lack of versatility, i.e. a basis set has to be constructed for each different class of stellar system. We present numerical techniques for generating a biorthonormal potential-density pair basis set which has a general specified pair as its lowest order member. We go on to demonstrate how the set can be used to construct N-body equilibria, which we then evolve using an N-body code which calculates forces using the basis set.

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