Viscous bending in depth-averaged Navier-Stokes equations selects the fastest-growing meandering mode for rivulets in Hele-Shaw cells and reveals a friction-driven instability mechanism.
The most direct way to understand the effects of surface tension is to consider the change of capillary pressure inside the rivulet that is caused by the curvature of the menisci
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2026 1verdicts
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Viscous Bending Mitigates the Spontaneous Meandering of Rivulets in Hele-Shaw Cells
Viscous bending in depth-averaged Navier-Stokes equations selects the fastest-growing meandering mode for rivulets in Hele-Shaw cells and reveals a friction-driven instability mechanism.