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Expansion techniques for collisionless stellar dynamical simulations
2014
Proceedings of the International Astronomical Union
We present ETICS, a collisionless N-body code based on two kinds of series expansions of the Poisson equation, implemented for graphics processing units (GPUs). The code is publicly available and can be used as a standalone program or as a library (an AMUSE plugin is included). One of the two expansion methods available is the self-consistent field (SCF) method, which is a Fourier-like expansion of the density field in some basis set; the other is the multipole expansion (MEX) method, which is
doi:10.1017/s1743921315007851
fatcat:5cukehqdzbae3cgi2n5sdwhx7e