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Published September 4, 2018 | Submitted
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Influence of a local change of depth on the behavior of bouncing oil drops


The work of Couder et al [1] (see also Bush et al [3, 4] inspired consideration of the impact of a submerged obstacle, providing a local change of depth, on the behavior of oil drops in the bouncing regime. In the linked videos, we recreate some of their results for a drop bouncing on a uniform depth bath of the same liquid undergoing vertical oscillations just below the conditions for Faraday instability, and show a range of new behaviors associated with change of depth. This article accompanies a fluid dynamics video entered into the Gallery of Fluid Motion of the 66th Annual Meeting of the APS Division of Fluid Dynamics.

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August 19, 2023
October 18, 2023