Optimal density lower bound on nonisentropic gas dynamics

JOURNAL OF DIFFERENTIAL EQUATIONS

卷:268

Article

Chen, Geng¹ 

[1] Univ Kansas, Dept Math, Lawrence, KS 66045 USA

关键词: Gas dynamics;    Compressible Euler equations;    Conservation laws;   

DOI  :  10.1016/j.jde.2019.10.017

来源: Elsevier

【 摘 要 】

In this paper, we prove a time dependent lower bound on density in the optimal order O(1/(1 + t)) for the general smooth nonisentropic flow of compressible Euler equations. (C) 2019 Elsevier Inc. All rights reserved.

【 授权许可】

Free