In this chapter the problem of viscous friction is considered when the medium is described by a gas of free particles in the mean field approximation.We give necessary conditions on the body/medium interaction to have a microscopic model of viscous friction and, conversely, we show that the runaway particle effect takes place in the case of bounded interaction.We conclude with a heuristic analysis of the case of singular interaction.
Vlasov approximation / Buttà, Paolo; Cavallaro, Guido; Marchioro, Carlo. - (2015), pp. 43-61. - LECTURE NOTES IN MATHEMATICS. [10.1007/978-3-319-14759-8_2].
Vlasov approximation
Buttà, Paolo;Cavallaro, Guido;Marchioro, Carlo
2015
Abstract
In this chapter the problem of viscous friction is considered when the medium is described by a gas of free particles in the mean field approximation.We give necessary conditions on the body/medium interaction to have a microscopic model of viscous friction and, conversely, we show that the runaway particle effect takes place in the case of bounded interaction.We conclude with a heuristic analysis of the case of singular interaction.File allegati a questo prodotto
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