Mechanism of Plate Jumping Induced by Cavitation Bubble Dynamics

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Key Points

This research investigates the mechanisms behind plate jumping driven by cavitation bubble dynamics.
Utilized experimental observation and numerical simulation to study fluid-structure interaction.
Generated centimeter-scale cavitation bubbles above a plate using underwater discharge technology.
Captured transient fluid-structure coupling processes using high-speed photography.
Observed that the induced pressure gradient can drive the plate to jump significantly, reaching heights up to 2 times the bubble's maximum radius.
Numerical simulations accurately replicated key dynamic features such as bubble jetting and plate jumping.
Established a scaling law relationship between the plate's maximum height and a dimensionless distance parameter, as well as a phase diagram for jumping criteria based on plate mass.

Experimental and numerical methods reveal how cavitation bubbles induce jumping in plates, suggesting new dynamics insights.

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Zhou et al. (2026) studied this question.

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