Volume 40, Issue 15 pp. 5526-5538
Research Article

A new blowup criterion for strong solutions to the three-dimensional compressible magnetohydrodynamic equations with vacuum in a bounded domain

Yingshan Chen

Yingshan Chen

Department of Mathematics, South China University of Technology, Guangzhou, 510641 China

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Xiaofeng Hou

Corresponding Author

Xiaofeng Hou

Faculty of Applied Mathematics, Guangdong University of Technology, Guangzhou, 510006 China

Correspondence to: Xiaofeng Hou, Faculty of Applied Mathematics, Guangdong University of Technology, 510006 Guangzhou , China.

E-mail: [email protected]

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Limei Zhu

Limei Zhu

Department of Mathematics, South China University of Technology, Guangzhou, 510641 China

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First published: 26 April 2017
Citations: 6

Abstract

In this paper, we establish a new blowup criterions for the strong solution to the Dirichlet problem of the three-dimensional compressible MHD system with vacuum. Specifically, we obtain the blowup criterion in terms of the concentration of density in BMO norm or the concentration of the integrability of the magnetic field at the first singular time. The BMO-type estimate for the Lam urn:x-wiley:mma:media:mma4407:mma4407-math-0001 system 2.6 and a variant of the Brezis-Waigner's inequality 2.3 play a critical role in the proof. Copyright © 2017 John Wiley & Sons, Ltd.

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