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19-12-2016

数学系几何分析研讨班第七讲

演讲人:吕勇(南开大学陈省身数学所)

讲座时间:2016-12-23 10:00:00

讲座地点:信息楼0343

讲座内容

题目:Homogenization problems in fluid mechanics

摘要:I will talk about homogenization problems in fluid mechanics --- the study of asymptotic behavior of fluid flows (governed by Stokes, Navier-Stokes or Euler equations) in domains perforated with a large number of tiny holes (obstacles). With an increasing number of holes, the fluid flow approaches an effective state governed by certain ”homogenized” equations which are homogeneous in form (without holes). The homogenized equation (or limit equation) is crucially determined by the ratio between the size of the holes and the mutual distance of the holes.

In this talk, I will introduce the background of this study and some known results. I will also recall my recent results in this research field and present some open problems.

报告人简介:http://www.escience.cn/people/luyong/index.html

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