Comparison of Numerical Integration and 'Gas Dynamic' Modelling of Runaway Planetesimal Growth

Details Comparison of Numerical Integration and 'Gas Dynamic' Modelling of Runaway Planetesimal Growth Comparison of Numerical Integration and 'Gas Dynamic' Modelling of Runaway Planetesimal Growth

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1425w&link_type=abstract

Lunar and Planetary Science, volume 27, page 1425

Computer Science

1

Formations: Planet, Integration: Numerical, Planetesimal

Scientific paper

The orbital and collisional evolution of 3000 10{23} planetesimals, initially at very low relative velocities has been presented. These are compared with calculations of the identical problem using the "gas dynamic" technique, in which the planetesimals are treated like molecules in the kinetic theory of gases. Comparison of the results shows excellent agreement. This comparison supports the validity of using the gas dynamic approach to address the many problems that are not amenable to detailed numerical integration.

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