Formation of Sharp Ringlets by Inelastic Collisions

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概要

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• We investigate the possibility that the sharp ringlets observed around giant planetsof the solar system are generated through inelastic collisions. First, a model is de-fined, and then ringlet formation is shown to occur under certain conditions on therebound coefficients. A three-dimensional case with 2000-body was then simulated. Ifthe condition is satisfied, particles under the gravitational influence of a planet areshown to evolve from a three-dimensional torus to a two-dimensional disc, andfinally to one-dimensional ringlets. The form is thus simplified through inelastic colli-sions. This result is contrary to the cornnton notion that collisions among the consti-tuents of planetary rings would cause the rings to lose their sharp features.[p1anetary ring, forunation of sharp ringlets, clustering, inelastic collision, l} numerical simulationl

• 社団法人日本物理学会の論文
• 1991-11-15

著者

• Kawai Toshio

  Department of Physics, Keio University

• Suzuki Kiyohiro

  Department Of Physics Keio University

• SHIDA Koichiro

  Department of Computer Science,Keio University

• Shida Koichiro

  Department Of Applied Science University Of California At Davis

• Kawai Toshio

  Department Of Physics Keio University

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• Formation of Sharp Ringlets by Inelastic Collisions
• Non-Transverse Electromagnetic Waves with Parallel Electric and Magnetic Fields
• Maxwell's Thermal Creep in Two Space Dimensions
• An Inelastic Collision Model for the Evolution of"Planetary Rings"

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