The Boltzmann equation and thirteen moments

Shuichi Kawashima

研究成果: Contribution to journalArticle

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The initial value problem for the nonlinear Boltzmann equation is studied. For the existence of global solutions near a Maxwellian, it is important to obtain a desired decay estimate for the linearized equation. In previous works, such a decay estimate was obtained by a method based on the spectral theory for the linearized Boltzmann operator. The aim of this paper is to show the same decay estimate by a new method. Our method is the so-called energy method and makes use of a Ljapunov function for the ordinary differential equation obtained by taking the Fourier transform. Our Ljapunov function is constructed explicitly by using some property of the equations for thirteen moments.

元の言語英語
ページ(範囲)301-320
ページ数20
ジャーナルJapan Journal of Applied Mathematics
7
発行部数2
DOI
出版物ステータス出版済み - 6 1 1990

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Applied Mathematics

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