中文

集中涡环的消失粘性极限

偏微分方程分析 2022-12-22 v1 数学物理 math.MP

摘要

我们研究具有轴对称无旋流的粘性不可压缩流体的时间演化,其初始涡量高度集中于 NN 个互不相交的环中。我们证明,在一个合适的联合极限下,当环的厚度与粘性同时趋于零时,涡量仍集中于 NN 个互不相交的环中,每个环沿对称轴以恒定速度作简单平移。

关键词

引用

@article{arxiv.2209.02666,
  title  = {Vanishing viscosity limit for concentrated vortex rings},
  author = {Paolo Buttà and Guido Cavallaro and Carlo Marchioro},
  journal= {arXiv preprint arXiv:2209.02666},
  year   = {2022}
}

备注

29 pages, LaTex. This article is an extension of the results in arXiv:1904.04785 and arXiv:2102.07807 and therefore draws from these articles