A Mapping for the Gravitational Few-Body Problem with Dissipation

Details A Mapping for the Gravitational Few-Body Problem with Dissipation A Mapping for the Gravitational Few-Body Problem with Dissipation

1994-07-16

arxiv.org/abs/astro-ph/9407052v1

Astronomy and Astrophysics

Astrophysics

13 pages, uuencoded compressed postscript file (including three figures). Accepted for publication in Celestial Mechanics & Dy

Scientific paper

10.1007/BF00691903

Recently a new class of numerical integration methods -- ``mixed variable symplectic integrators'' -- has been introduced for studying long-term evolution in the conservative gravitational few-body problem. These integrators are an order of magnitude faster than conventional ODE integration methods. Here I present a simple modification of this method to include small non-gravitational forces. The new scheme provides a similar advantage of computational speed for a larger class of problems in Solar System dynamics.

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