Physical review letters
Fluid-Induced Snap-Through Instability of Spherical Shells.
Pier Giuseppe Ledda, Hemanshul Garg, Vitus Østergaard-Clausen, Lucas Krumenacker Rudzki, Ahmad Madary, Matteo Pezzulla
Published: 202510.1103/ltqy-d53p
Abstract
We study the snapping instability of a spherical elastic shell induced by a viscous flow, the umbrella flipping problem when life is at low Reynolds numbers. We combine precision desktop-scale experiments, fluid-structure simulations, shell theory, f…
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