Kinetic Integrals in the Kinetic Theory of dissipative gases

Details Kinetic Integrals in the Kinetic Theory of dissipative gases Kinetic Integrals in the Kinetic Theory of dissipative gases

2003-11-13

arxiv.org/abs/cond-mat/0311327v1

In: T. Poeschel, N.V. Brilliantov (eds.) "Granular Gas Dynamics", Lecture Notes in Physics Vol. 624, Springer (Berlin, 2003),

Physics

Condensed Matter

Statistical Mechanics

32 pages

Scientific paper

The kinetic theory of gases, including Granular Gases, is based on the Boltzmann equation. Many properties of the gas, from the characteristics of the velocity distribution function to the transport coefficients may be expressed in terms of functions of the collision integral which we call kinetic integrals. Although the evaluation of these functions is conceptually straightforward, technically it is frequently rather cumbersome. We report here a method for the analytical evaluation of kinetic integrals using computer algebra. We apply this method for the computation of some properties of Granular Gases, ranging from the moments of the velocity distribution function to the transport coefficients. For their technical complexity most of these quantities cannot be computed manually.

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