Statistics – Computation
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...83..205o&link_type=abstract
Icarus (ISSN 0019-1035), vol. 83, Jan. 1990, p. 205-215.
Statistics
Computation
18
Computational Astrophysics, Digital Simulation, Particle Acceleration, Particle Mass, Planetary Evolution, Analytic Functions, Coagulation, Interplanetary Dust, Particle Size Distribution, Planets, Acceleration, Numerical Methods, Simulations, Dust, Analysis, Comparisons, Timescale, Acceleration, Calculations, Planetesimals, Parameters
Scientific paper
In the present examination of the effects of coarse mass-coordinate divisions in numerical computations of the coagulation equations, with a view to estimating the growth times of dust and planets, three different logarithmic divisions using 8, 2, and sq rt 2 as common ratios are used to solve these equations for simple coalescence-rate cases in which the analytic solutions are known. Substantial discrepancies are noted betweem analytical and numerical solutions; also, the growth time in early stages differs by a factor of about 10 between the cases of the 8 and sq rt 2 common cases.
Nakagawa Yasuhiro
Nakazawa Kazuhiro
Ohtsuki Keiji
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