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WHFast512: A symplectic N-body integrator for planetary systems optimized with AVX512 instructions
Pejvak Javaheri, Hanno Rein, Dan Tamayo
We describe the implementation of the symplectic N-body integrator WHFast512 using Single Instruction Multiple Data (SIMD) parallelism and 512-bit Advanced Vector Extensions (AVX51…
ASSIST: An Ephemeris-Quality Test Particle Integrator
Matthew J. Holman, Arya Akmal, Davide Farnocchia +5
We introduce ASSIST, a software package for ephemeris-quality integrations of test particles. ASSIST is an extension of the REBOUND framework and makes use of its IAS15 integrator…
General relativistic precession and the long-term stability of the solar system
Garett Brown, Hanno Rein
The long-term evolution of the solar system is chaotic. In some cases, chaotic diffusion caused by an overlap of secular resonances can increase the eccentricity of planets when th…
Self-Consistent Spin, Tidal and Dynamical Equations of Motion in the REBOUNDx Framework
Tiger Lu, Hanno Rein, Daniel Tamayo +4
We have introduced self-consistent spin, tidal and dynamical equations of motion into REBOUNDx, a library of additional effects for the popular N-body integrator REBOUND. The equat…
Thermal hysteresis and front propagation in dense planetary rings
Rémy Larue, Henrik Latter, Hanno Rein
Saturn's rings are composed of icy grains, most in the mm to m size ranges, undergoing several collisions per orbit. Their collective behaviour generates a remarkable array of stru…