中文

具有大初值与真空的二维可压缩MHD系统初边值问题的整体强解与弱解

偏微分方程分析 2022-01-19 v3

摘要

本文研究一般二维有界单连通区域中剪切粘度为正常数、体粘度与密度幂次成正比的晴压可压缩磁流体动力学方程。对于允许初值密度消失的情形,我们证明当剪切粘度为正常数且体粘度为λ=ρβ\lambda=\rho^\betaβ>4/3\beta>4/3)时,二维可压缩MHD系统的初边值问题存在整体强解与弱解,且对初值大小无任何限制。据我们所知,这是关于一般二维有界域中具有大初值与真空的可压缩MHD系统强解整体存在性的首个结果。

关键词

引用

@article{arxiv.2105.11291,
  title  = {Global Strong and Weak Solutions to the Initial-boundary-value Problem of 2D Compressible MHD System with Large Initial Data and Vacuum},
  author = {Yazhou Chen and Bin Huang and Xiaoding Shi},
  journal= {arXiv preprint arXiv:2105.11291},
  year   = {2022}
}

备注

33 pages. arXiv admin note: substantial text overlap with arXiv:2102.09229 by other authors