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Dario Vincenzi (Universite Nice Sophia Antipolis, France)
Date & Time
Fri, 10 January 2020, 14:30 to 15:30
Emmy Noether Seminar Room, ICTS Campus, Bangalore

Elastic turbulence is a chaotic regime that develops in polymer solutions at low inertia as a result of purely elastic instabilities. Discovered by Groisman and Steinberg in 2000, it finds a natural application in microfluidics, where it is used to accelerate mixing. After rewieving the main experimental observations on elastic turbulence, I will present results on a low-dimensional model for this phenomenon, an estimate of its Lyapunov dimension, and the effect of polymer-stress diffusion in numerical simulations. I will conclude by discussing the possibility of generating a chaotic regime analogous to elastic turbulence by using rigid (instead of elastic) polymers.

Link for Live webcast: