Volume 34, Number 6, November/December 2000
|Page(s)||1277 - 1291|
|Published online||15 April 2002|
One-dimensional kinetic models of granular flows
Dipartimento di Matematica, Università di Pavia,
27100 Pavia, Italy. (firstname.lastname@example.org)
Revised: 11 October 2000
We introduce and discuss a one-dimensional kinetic model of the Boltzmann equation with dissipative collisions and variable coefficient of restitution. Then, the behavior of the Boltzmann equation in the quasi elastic limit is investigated for a wide range of the rate function. By this limit procedure we obtain a class of nonlinear equations classified as nonlinear friction equations. The analysis of the cooling process shows that the nonlinearity on the relative velocity is of paramount importance for the finite time extinction of the solution.
Mathematics Subject Classification: 76P05 / 82C40
Key words: Granular gases / Boltzmann equation / long-time behavior of solutions.
© EDP Sciences, SMAI, 2000
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