Blow-up for compressible Euler system with space-dependent damping in 1-D

Author:

Geng Jinbo1,Lai Ning-An1,Yuen Manwai2,Zhou Jiang1

Affiliation:

1. Department of Mathematics, Zhejiang Normal University , Jinhua 321004 , China

2. Department of Mathematics and Information Technology, The Education University of Hong Kong, 10 Po Ling Road, Tai Po, New Territories , Hong Kong , China

Abstract

AbstractThis article considers the Cauchy problem for compressible Euler system inR{\bf{R}}with damping, in which the coefficient depends on the space variable. Assuming the initial density has a small perturbation around a constant state and both the small perturbation and the small initial velocity field are compact supported, finite-time blow-up result will be established. This result reveals the fact that if the space-dependent damping coefficient decays fast enough in the far field (belongs toL1(R){L}^{1}\left({\bf{R}})), then the damping is non-effective to the long-time behavior of the solution.

Publisher

Walter de Gruyter GmbH

Subject

Analysis

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