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Collisional Simulations of Isolated Lindblad Resonances

Published online by Cambridge University Press:  07 August 2017

J. Hänninen ,
H. Salo  and
J. Lukkari
J. Hänninen
Affiliation:
Department of Astronomy, University of Oulu, SF-90570 Oulu, Finland
H. Salo
Affiliation:
Department of Astronomy, University of Oulu, SF-90570 Oulu, Finland
J. Lukkari
Affiliation:
Computer Services Centre, University of Oulu, SF-90570 Oulu, Finland

Abstract

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The influence of the perturbing satellite on the planetary ring at isolated Lindblad resonances is studied with numerical computer simulations, combining the Aarseth's force polynomial method for orbit integrations with the calculation of particle-particle impacts. Observed angular momentum exchange between the satellite and the dissipative, non-selfgravitating ring agrees with the Goldreich-Tremaine formula for gravitating ring within 20%, verifying that the exerted torque is not sensitive to the details of the dominant physical processes. The theoretically predicted angular momentum luminosity reversal was also observed.

Type
Part II - Planetary Rings
Information
Symposium - International Astronomical Union , Volume 152: Chaos, Resonance and Collective Dynamical Phenomena in the Solar System , 1992 , pp. 97 - 102
Copyright
Copyright © Kluwer 1992 

References

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