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Updated: Jan 18, 2026
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Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
Published on: August 21, 2018
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Meniscus-Driven Modulation of Surface Wave Transmission across a Barrier
Zhengwu Wang1, Guoqin Liu1, Likun Zhang1
1University of Mississippi, National Center for Physical Acoustics and Department of Physics and Astronomy, University, Mississippi 38677, USA.
Physical Review Letters
|September 10, 2025
Summary
Meniscus effects significantly influence wave transmission past barriers. Competing factors of flow coupling and motion constraint explain observed dependencies, advancing fluid dynamics understanding.
Area of Science:
- Fluid dynamics
- Interface phenomena
- Wave mechanics
Background:
- Meniscus oscillations at fluid-solid-air interfaces are crucial for fluid dynamics and control.
- Experimental data on capillary-gravity wave scattering, particularly meniscus effects, are limited.
Purpose of the Study:
- To systematically measure wave transmission past a surface-piercing barrier, focusing on meniscus effects.
- To investigate the influence of barrier surface properties and wave frequencies on meniscus deformation and wave transmission.
Main Methods:
- Experimental measurement of wave transmission past a surface-piercing barrier.
- Systematic variation of barrier surface properties and wave frequencies.
- Comparison of experimental results with simulations and limiting-case theories.
Main Results:
- Meniscus water column formation beneath the barrier enhances flow coupling and wave transmission.
- Meniscus surface bending suppresses wave transmission by constraining fluid motion.
- Observed wave transmission dependencies are explained by these competing meniscus effects.
Conclusions:
- Meniscus dynamics play a critical role in governing surface wave behavior.
- Understanding meniscus effects is essential for accurate fluid dynamics modeling and control.
- This study provides crucial experimental data and insights into wave scattering phenomena.
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