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physics.flu-dyn2026
Viscous Bending Mitigates the Spontaneous Meandering of Rivulets in Hele-Shaw Cells
Grégoire Le Lay, Adrian Daerr
We investigate the spontaneous meandering of slender rivulets in Hele-Shaw cells and identify the physical mechanism that selects the most unstable wavenumber, a quantity that has…
physics.flu-dyn2026
Dancing rivulets in an air-filled Hele-Shaw cell
Grégoire Le Lay, Adrian Daerr
We study the behaviour of a thin fluid filament (a rivulet) flowing in an air-filled Hele-Shaw cell. Transverse and longitudinal deformations can propagate on this rivulet, althoug…