二维玻尔兹曼方程的不可压缩极限
Incompressible Limit of the Two Dimensional Boltzmann Equation
摘要: 本文拟研究二维空间区域上玻尔兹曼方程的不可压缩Navier-Stokes-Fourier极限。由于有界区域上的玻尔兹曼方程的解没有高阶正则性,故本文拟采用最新的L2-L方法并结合解的宏观部分的L4估计,来获取余项方程线性部分的一致上界估计,进而通过迭代方法得到余项方程解的存在性,最后得出原玻尔兹曼方程解的存在性和收敛极限。
Abstract: In this paper, we study incompressible Navier-Stokes-Fourier limit of the two dimensional Boltzmann equation. The solution of the Boltzmann equation has no high order regularity in the bounded region, so we use a recent quantitative L2-L approach with a new L4 estimate for the hydrodynamic part, to obtain uniform upper estimation of the linear part of remainder equation, and then obtain the existence of the solution of remainder equation through iteration. Finally, we get existence of the solution of the Boltzmann equation and the convergence limit.
文章引用:高婷婷. 二维玻尔兹曼方程的不可压缩极限[J]. 理论数学, 2020, 10(2): 128-138. https://doi.org/10.12677/PM.2020.102019

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