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 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 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。
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