N-body simulations: The performance of some integrators

Abstract

We describe four challenging N-body test problems involving the Sun and planets and use them to compare the performance of nine nonsymplectic and two symplectic integrators. Each problem has a long interval of integration and two have non-Newtonian gravitational interactions. The emphasis in our comparison is on the accuracy of the solution, including the… (More)
DOI: 10.1145/1163641.1163642

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