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

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

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.300..135b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 300, Issue 1, pp. 135-145.

Astronomy and Astrophysics

Astronomy

6

Methods: Numerical, Celestial Mechanics, Stellar Dynamics, Galaxies: Kinematics And Dynamics

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 that 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 that calculates forces using the basis set.

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