Visualization of Chladni Patterns at Low-Frequency Resonant and Non-Resonant Flexural Modes of Vibration

Barenten Suciu and Sota Karimine

European Journal of Engineering and Technology Research, 2024, vol. 9, issue 3, 25-32

Abstract: In this study, Chladni patterns corresponding to resonant and non-resonant vibration modes are visualized on square plates made in steel and aluminum alloys in the low frequency domain of 10–210 Hz. Using a laser sensor, the plate displacement at its central excitation point is measured, and from the obtained frequency response, the resonant and anti-resonant vibration modes are identified. Using the quality-factor method, the damping ratio corresponding to the 1st resonant peak is evaluated. Over a wide range of excitation frequencies, transitions of Chladni figures between resonant patterns via non-resonant patterns could be observed. Such Chladni figures, of the simplest geometrical configuration, can be used to achieve a certain desired movement path of the particles on the vibrating plate by controlling the excitation frequency.

Keywords: Chladni patterns control; Low frequency; Resonant and non-resonant bending vibration modes; Square plate made in steel and aluminum alloys (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:9:y:2024:i:3:id:63165

DOI: 10.24018/ejeng.2024.9.3.3165

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