Computer Science
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...98...28i&link_type=abstract
Icarus (ISSN 0019-1035), vol. 98, no. 1, July 1992, p. 28-37.
Computer Science
38
Friction, Gravitational Effects, Many Body Problem, Protoplanets, Solar System Evolution, Computerized Simulation, Gas Giant Planets, Planetary Cores, Planetary Evolution, Temporal Distribution, Three Body Problem
Scientific paper
N-body 3D simulations are presently conducted for the dynamical friction of planetesimals with a view to the likelihood of runaway growth in the cases of both four-component systems with slightly different masses and a protoplanet that is embedded in a swarm of small planetesimals. While runaway growth in the former case begins in an early-stage planetesimal swarm which has a continuous mass distribution, the latter case involves a simultaneous decrease of a protoplanet's eccentricity and inclination due to the dynamical friction generated by the planetesimals. This scenario's decay timescale is characterized by the semianalytical theory of Ida (1990) and supports the protoplanet's runaway growth.
Ida Shigeru
Makino Junichiro
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