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

Author

Listed:
  • Barenten Suciu

    (Fukuoka Institute of Technology, Japan)

  • Sota Karimine

    (Fukuoka Institute of Technology, Japan)

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.

Suggested Citation

  • Barenten Suciu & Sota Karimine, 2024. "Visualization of Chladni Patterns at Low-Frequency Resonant and Non-Resonant Flexural Modes of Vibration," European Journal of Engineering and Technology Research, European Open Science, vol. 9(3), pages 25-32, May.
    • Handle: RePEc:epw:ejeng0:v:9:y:2024:i:3:id:63165
    DOI: 10.24018/ejeng.2024.9.3.3165
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