Volume 48, Number 4, November II 1999
|Page(s)||359 - 364|
|Published online||01 September 2002|
On the validity of linear hydrodynamics for low-density granular flows described by the Boltzmann equation
Física Teórica, Universidad de Sevilla - Apartado de Correos 1065, E-41080 Sevilla, Spain
Accepted: 15 September 1999
The direct Monte Carlo simulation method is used to check the validity of the hydrodynamic description of a low-density granular flow in the linear region about the homogeneous cooling state. Good agreement is found between the simulation results and the hydrodynamic equations obtained recently from the Boltzmann equation by using a generalized Chapman-Enskog procedure. In particular, the dependence of the transport coefficients on the coefficient of restitution predicted by the theory is verified.
PACS: 05.20.-y – Classical statistical mechanics / 05.20.Dd – Kinetic theory / 81.05.Rm – Porous materials; granular materials
© EDP Sciences, 1999
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