Some alternative methods for hydrodynamic closures to dissipative kinetic models

M. Bisi; J. A. Carrillo; G. Spiga

doi:https://doi.org/10.1140/epjst/e2010-01201-8

Some alternative methods for hydrodynamic closures to dissipative kinetic models

M. Bisi, J. A. Carrillo, G. Spiga

Department of Mathematics

Research output: Contribution to journal › Article › Research › peer-review

1 Citation (Scopus)

Abstract

Two different strategies for deriving hydrodynamic equations for dissipative kinetic models are presented and discussed. The homogeneity scaling approach, not very well-known in the physical literature, is expanded and applied to different show-cases in several applications. Then, we show that this strategy may fail, as it occurs for a thermalized granular gas in a host medium, in which case the problem can be dealt with by resorting to classical moment closure methods. © 2009 EDP Sciences and Springer.

Original language	English
Pages (from-to)	165-178
Journal	European Physical Journal: Special Topics
Volume	179
DOIs	https://doi.org/10.1140/epjst/e2010-01201-8
Publication status	Published - 1 Dec 2009

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abstract = "Two different strategies for deriving hydrodynamic equations for dissipative kinetic models are presented and discussed. The homogeneity scaling approach, not very well-known in the physical literature, is expanded and applied to different show-cases in several applications. Then, we show that this strategy may fail, as it occurs for a thermalized granular gas in a host medium, in which case the problem can be dealt with by resorting to classical moment closure methods. {\textcopyright} 2009 EDP Sciences and Springer.",

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