Nbody simulations using customized potentialdensity pair basis sets
Abstract
Potentialdensity pair basis sets can be used for highly efficient Nbody 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 potentialdensity pair basis set that has a general specified pair as its lowestorder member. We go on to demonstrate how the set can be used to construct Nbody equilibria, which we then evolve using an Nbody code that calculates forces using the basis set.
 Publication:

Monthly Notices of the Royal Astronomical Society
 Pub Date:
 October 1998
 DOI:
 10.1046/j.13658711.1998.01861.x
 Bibcode:
 1998MNRAS.300..135B
 Keywords:

 METHODS: NUMERICAL;
 CELESTIAL MECHANICS;
 STELLAR DYNAMICS;
 GALAXIES: KINEMATICS AND DYNAMICS