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QYMSYM: A GPU-Accelerated Hybrid Symplectic Integrator That Permits Close Encounters

Alexander Moore, Alice C. Quillen
Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA
arXiv:1007.3458v1 [astro-ph.EP] (20 Jul 2010)

@article{moore2010qymsym,

   title={QYMSYM: A GPU-Accelerated Hybrid Symplectic Integrator That Permits Close Encounters},

   author={Moore, A. and Quillen, A.C.},

   journal={Arxiv preprint arXiv:1007.3458},

   year={2010}

}

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We describe a parallel hybrid symplectic integrator for planetary system integration that runs on a graphics processing unit (GPU). The integrator identifies close approaches between particles and switches from symplectic to Hermite algorithms for particles that require higher resolution integrations. The integrator is approximately as accurate as other hybrid symplectic integrators but is GPU accelerated.
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