Propagation of Density-Oscillations in Solutions to the Compressible Navier-Stokes-Poisson System

被引：0
作者：
Zhong TAN Yanjin WANG Department of Mathematics
机构：
来源：
Chinese Annals of Mathematics | 2008年 / 05期
基金：
中国国家自然科学基金;
关键词：
Compressible fluids; Navier-Stokes-Poisson equations; Young measures; Propagation of oscillations; Strong solutions;
D O I：
暂无
中图分类号：
O354 [气体动力学（可压缩流体力学）];
学科分类号：
080103 ; 080704 ;
摘要：
Concerning a bounded sequence of finite energy weak solutions to the compressible Navier-Stokes-Poisson system （denoted by CNSP）, which converges up to extraction of a subsequence, the limit system may not be the same system. By introducing Young measures as in [6, 15], the authors deduce the system （HCNSP） which the limit functions must satisfy. Then they solve this system in a subclass where Young measures are convex combinations of Dirac measures, to give the information on the propagation of density-oscillations. The results for strong solutions to （CNSP） （see Corollary 6.1） are also obtained.
引用
收藏
页码：501 / 520
页数：20
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