Blow-up of Smooth Solution to the Isentropic Compressible Navier-Stokes-Poisson System with Compact Density

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作者
Baoquan Yuan
Xiaokui Zhao
机构
[1] Henan Polytechnic University,School of Mathematics and Information Science
[2] Xiamen University,School of Mathematical Sciences
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关键词
Compressible Navier-Stokes-Poisson system; Smooth solution; Blow-up; 76W05; 35B65; 35B44;
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摘要
The blow-up of smooth solution to the isentropic compressible Navier-Stokes-Poisson (NSP) system on Rd\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\mathbb{R}^{d}$\end{document} is studied in this paper. We obtain that if the initial density is compactly supported, the spherically symmetric smooth solution to the NSP system on Rd(d≥2)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\mathbb{R}^{d}\ (d\geq 2)$\end{document} blows up in finite time. In the case d=1\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$d=1$\end{document}, if 2μ+λ>0\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$2\mu +\lambda >0$\end{document}, then the NSP system only exits a zero smooth solution on ℝ for the compactly supported initial density.
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页码:189 / 195
页数:6
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