Colloquium
Existence, corner singularities and regularities of the compressible Stokes flows passing or through nonconvex corner, cut and
작성자Author
관리자
작성일Date
20170823 10:30
조회Views
564
분야Field  2017 Math Colloquium  

날짜Date  20170908  시간Time  15:50 ~ 18:00 
장소Place  Math. Bldg. 404  초청자Host   
연사Speaker  Jae Ryong Kwon  소속Affiliation  POSTECH 
TOPIC  Existence, corner singularities and regularities of the compressible Stokes flows passing or through nonconvex corner, cut and  
소개 및 안내사항Content  Title : Existence, corner singularities and regularities of the compressible Stokes flows passing or through nonconvex corner, cut and edge, etc. Abstract: I will survey and talk about corner singularity and regularity results for the compressible Stokes flows around corner, cut and edge boundaries. I have worked the issues over 20 years. I will try to describe a whole picture for the issues from a very simple idea to complicated problems. Mechanical or dynamical problems usually have very singular boundaries for flow domains, for instance, imagine blood vessels, wings and front or rear portions of aircrafts, etc. Such singular boundaries generate diverse flow behaviors, acoustic noises (disturbances), exert strong influences on stable movements and eventually bring us fatal damages. Hence precise analysis and understanding are necessary. I will mention known results and open questions. 
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