Journal of Structural Dynamics

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Boris Lossouarn, Lucie Rouleau, Robin Darleux & Jean-François Deü

Comparison of passive damping treatments based on constrained viscoelastic layers and multi-resonant piezoelectric networks.

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Abstract

This work aims at comparing the damping performances of two passive damping treatments based on piezoelectric or viscoelastic patches. The motivation for such a comparison stems from the fact that the two damping techniques have been developed fairly independently, and are rarely compared. First, the dynamic response of a simply-supported metallic plate is measured experimentally after being equipped with constrained viscoelastic patches or piezoelectric patches connected to an electrical network. In order to extend the comparison, a numerical model of the structure is set up and validated to evaluate the damping performances of both passive treatments under different configurations (for instance equal-mass and equal-thickness configurations). Finally, with regard to these experimental and numerical results, the advantages and the limitations in using viscoelastic or piezoelectric treatments are discussed.

Index by keyword : Broadband vibration mitigation, Passive vibration control, Piezoelectric damping, Viscoelastic damping

14/09/2021

To cite this article

Boris Lossouarn, Lucie Rouleau, Robin Darleux & Jean-François Deü, «Comparison of passive damping treatments based on constrained viscoelastic layers and multi-resonant piezoelectric networks.», Journal of Structural Dynamics [En ligne], Issue 1, URL : https://popups.uliege.be/2684-6500/index.php?id=63.

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