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SUMMARY:Steady point vortices in a field of Stuart-type vorticity - Vikas 
 Krishnamurthy (University of Vienna)
DTSTART:20190912T140000Z
DTEND:20190912T143000Z
UID:TALK129469@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:A new family of exact solutions to the two-dimensional steady 
 incompressible Euler equation is presented. The solutions comprise two poi
 nt vortices of unit circulation &ndash\; a point vortex pair &ndash\; embe
 dded in a smooth sea of non-zero vorticity of &ldquo\;Stuart-type&rdquo\;.
  The solution is one of the simplest examples of a rich and diverse array 
 of similar global equilibria of the Euler equation identified by the autho
 rs. We also examine the point vortex limit of these new Stuart-embedded po
 int vortex equilibria which results in a two-real-parameter family of smoo
 thly deformable asymmetric point vortex equilibria in an otherwise irrotat
 ional flow.
LOCATION:Seminar Room 1\, Newton Institute
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