Analysis of Fluids and Related Topics: "Self-similar vortex spirals"

Speaker: 
Volker Elling , University of Michigan
Date: 
Feb 9 2017 - 4:30pm
Event type: 
Analysis of Fluids and Related Topics
Room: 
322 Fine Hall
Abstract: 

We construct a class of self-similar 2d incompressible Euler solutions that have initial vorticity of mixed sign. The regions of positive and negative vorticity form algebraic spirals. Connections to the problem of non-uniqueness for the Euler equations will be discussed.