Numerical simulations of colliding particles in a gravitational field

Details Numerical simulations of colliding particles in a gravitational field Numerical simulations of colliding particles in a gravitational field

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ap%26ss..58..113l&link_type=abstract

Astrophysics and Space Science, vol. 58, no. 1, Sept. 1978, p. 113-123.

Astronomy and Astrophysics

Astrophysics

12

Digital Simulation, Gravitational Fields, Orbits, Particle Collisions, Correlation Coefficients, Elastic Scattering, Inelastic Collisions, Normal Density Functions, Rayleigh Distribution, Statistical Distributions

Scientific paper

Results are reported for computer simulations carried out to test Hameen-Anttila's (1978) theory concerning the orbits of a particle swarm around a gravitating central body for the case where the elasticity coefficient is constant and identical particles revolve around the central body in a radially symmetric configuration. The results of simulations performed with 100 test particles for two values of elasticity (0.45 and 0.3) are compared with Hameen-Anttila's theory, and rather good agreement is indicated. Differences between the simulation and theoretical results are discussed with reference to the evolution of eccentricity, inclination, and semimajor-axis dispersion.

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