Computer Science
Scientific paper
Jun 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...85..481b&link_type=abstract
Icarus (ISSN 0019-1035), vol. 85, June 1990, p. 481-498. Research supported by INSU.
Computer Science
17
Equations Of State, Mass Spectroscopy, Planetary Evolution, Protoplanets, Self Consistent Fields, Gas Dynamics, Many Body Problem, Radial Velocity, Planets, Protoplanets, Nebula, Velocity, Distribution, Planetesimals, Spectra, Mass, Kinetics, Friction, Numerical Methods, Simulations, Collisions, Calculations, Shear, Viscosity, Gravity Effects, Size, Parameters
Scientific paper
The Hornung et al. (1985) kinetic formalism characterizes the velocity dispersions of the planetesimals governing the accumulation of the planets; the equilibrium that arises in the competition between encounters and impacts is describable by steady-state equations for the velocity dispersions. On these bases, in conjunction with an assumed mass-spectrum power-law, it can be concluded that velocity dispersion is driven by the most massive objects and is nearly the same for each population, in cases where large bodies dominate, while in small body-dominated cases, an equipartition of kinetic energy arises from dynamical friction.
Barge Pierre
Pellat Rene
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