Communication Dans Un Congrès Année : 2023

Multimodal vibration damping of a thin circular ring coupled to an analogous piezoelectric network: numerical analysis

Résumé

Vibrations in structures can be reduced by coupling to a piezoelectric electrical network that exhibits analogous modal properties of the structure. This paper considers the multimodal vibration damping of a thin circular ring using this method. The electrical network is derived by applying a finite difference model to the governing equations of motion for a segment of a thin curved beam and applying an electromechanical analogy to the physical constants. The resulting discrete network for a curved beam segment can be assembled into a complete network for a circular ring. The electrical network for a circular ring displays modal properties similar to its mechanical analogue in both the spatial and frequency domains. Numerical simulation demonstrates the effectiveness and robustness of the broadband damping effects from the analogous network.

Dates et versions

hal-04853887 , version 1 (22-12-2024)

Identifiants

Citer

Alan Luo, Boris Lossouarn, Alper Erturk. Multimodal vibration damping of a thin circular ring coupled to an analogous piezoelectric network: numerical analysis. 10th ECCOMAS Thematic Conference on Smart Structures and Materials, SMART 2023, Jul 2023, Patras, Greece. pp.203 - 213, ⟨10.7712/150123.9778.444165⟩. ⟨hal-04853887⟩
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