Anthony Bonfils (University of Limerick)

will speak on

Waves and wrinkles through the lens of asymptotic analysis

Time: 1:00PM
Date: Fri 11th April 2025
Location: E0.32 (beside Pi restaurant) [map]

Abstract: The linear stability of a two-fluid interface forced by a shear flow, or of a floating elastic sheet under confinement, is characterized by an eigenvalue problem. In the first case, the problem is dynamic and of second order. In the other case, it is static and of fourth order. I will show how asymptotic methods provide a physical insight on the various solutions of both problems, and subsequently on the phenomenology of waves and wrinkles.

References:
J. Fluid Mech., 944:A8, 2022
J. Fluid Mech., 976:A19, 2023
Soft Matter, 19, 8729, 2023

(This talk is part of the Applied and Computational Mathematics series.)

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