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physics.flu-dyn2026
Thin-film drainage becomes singular at saddles
Simeon Djambov, Alice Marcotte, François Gallaire +1
Thin films draining on top of curved surfaces occur in coating, manufacturing, and geophysical flows, where predicting accumulation and thinning is crucial. Unlike singularities as…
physics.flu-dyn2025
Fluid-induced snap-through instability of spherical shells
Pier Giuseppe Ledda, Hemanshul Garg, Vitus Ãstergaard-Clausen +3
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 d…
physics.flu-dyn2024
Releasing trapped Taylor bubbles via centrifugation and inclination
Alice Marcotte, Pier Giuseppe Ledda, Valentin Buriasco +3
In confined systems, the entrapment of a gas volume with an equivalent spherical diameter greater than the dimension of the channel can form extended bubbles that obstruct fluid ci…