Computer Science – Numerical Analysis
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991amsci..79...44a&link_type=abstract
American Scientist (ISSN 0003-0996), vol. 79, Jan.-Feb. 1991, p. 44-59.
Computer Science
Numerical Analysis
6
Astronomical Models, Computerized Simulation, Particle Collisions, Planetary Rings, Jupiter Rings, Neptune Satellites, Saturn Rings, Three Dimensional Models, Uranus Rings, Voyager 2 Spacecraft, Planets, Outer Planets, Gas Planets, Rings, Dynamics, Jupiter, Saturn, Uranus, Neptune, Ring Arcs, Spacecraft Observations, Voyager Missions, Optical Properties, Depth, Density, Particles, Grain Size, Models, Spin, Stability, Distribution, Structure, Spokes, Collisions, Velocity, Numerical Methods, Simulations, Grav
Scientific paper
The modeling of the dynamics of particle collisions within planetary rings is discussed. Particles in the rings collide with one another because they have small random motions in addition to their orbital velocity. The orbital speed is roughly 10 km/s, while the random motions have an average speed of about a tenth of a millimeter per second. As a result, the particle collisions are very gentle. Numerical analysis and simulation of the ring dynamics, performed with the aid of a supercomputer, is outlined.
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