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 advective derivative is for example can be writtenu· ∇=u t ∂s, with∂ s = cosθ ∂ x being the derivative along the curvilinear coordinate
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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.