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QYMSYM: A GPU-accelerated hybrid symplectic integrator that permits close encounters

Authors
Journal
New Astronomy
1384-1076
Publisher
Elsevier
Publication Date
Volume
16
Issue
7
Identifiers
DOI: 10.1016/j.newast.2011.03.009
Keywords
  • Celestial Mechanics
  • Symplectic Integrators
  • Acceleration Of Particles
  • Cuda
Disciplines
  • Computer Science

Abstract

Abstract 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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