Numerical simulations of dense collisional systems. II - Extended distribution of particle sizes

Details Numerical simulations of dense collisional systems. II - Extended distribution of particle sizes Numerical simulations of dense collisional systems. II - Extended distribution of particle sizes

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...96...85s&link_type=abstract

Icarus (ISSN 0019-1035), vol. 96, March 1992, p. 85-106.

Physics

53

Collision Rates, Digital Simulation, Particle Size Distribution, Planetary Rings, Gravitational Effects, Optical Thickness, Saturn Rings

Scientific paper

A local simulation method based on the Wisdom and Tremaine (1988) method, with N up to 4000 particles, is used in a study of extended power-law distributions in dense ring systems. It is found that the equilibrium state depends mainly on the maximum particle size, while the slope and the width of the distribution have less significance. In all cases studied, the maximum ratio between velocity dispersions of different sizes remained below a factor of 5. The effective geometric thickness was derived for Saturn's rings, and was found to be about 25 m for the layer of cm-sized particles and about 10 m for the largest particles.

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