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Global behavior for the classical solution of compressible viscous micropolar fluid with cylinder symmetry
Author(s) -
Lan Huang,
Zhiying Sun,
XinGuang Yang,
Alain Miranville
Publication year - 2022
Publication title -
communications on pure andamp applied analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.077
H-Index - 42
eISSN - 1553-5258
pISSN - 1534-0392
DOI - 10.3934/cpaa.2022033
Subject(s) - mathematics , bounded function , combinatorics , physics , mathematical analysis
This paper is concerned with the global solutions of the 3D compressible micropolar fluid model in the domain to a subset of \begin{document}$ R^3 $\end{document} bounded with two coaxial cylinders that present the solid thermo-insulated walls, which is in a thermodynamical sense perfect and polytropic. Compared with the classical Navier-Stokes equations, the angular velocity \begin{document}$ w $\end{document} in this model brings benefit that is the damping term - \begin{document}$ uw $\end{document} can provide extra regularity of \begin{document}$ w $\end{document} . At the same time, the term \begin{document}$ uw^2 $\end{document} is bad, it increases the nonlinearity of our system. Moreover, the regularity and exponential stability in \begin{document}$ H^4 $\end{document} also are proved.

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