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Comparison of damping performances of constrained viscoelastic layers and passive piezoelectric networks

Abstract : This work aims at comparing the damping performances of two passive treatments based on piezoelectric or viscoelastic patches. The motivation for such a comparison stems from the fact that the two damping treatments have been developed fairly independently, and are rarely compared. Firstly, the dynamic response of a simply supported metallic plate, equipped with constrained viscoelastic patches or piezoelectric patches connected to an electrical network, is measured experimentally. Secondly, 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 this work, the advantages and the limitations in using viscoelastic or piezoelectric treatments are discussed.
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https://hal.archives-ouvertes.fr/hal-03196472
Contributor : Boris Lossouarn Connect in order to contact the contributor
Submitted on : Monday, April 12, 2021 - 7:08:15 PM
Last modification on : Thursday, April 15, 2021 - 10:44:01 AM

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  • HAL Id : hal-03196472, version 1

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Lucie Rouleau, Boris Lossouarn, Robin Darleux, Jean-François Deü. Comparison of damping performances of constrained viscoelastic layers and passive piezoelectric networks. 3rd Euro-Mediterranean Conference on Structural Dynamics and Vibroacoustics, MEDYNA 2020, Feb 2020, Naples, Italy. ⟨hal-03196472⟩

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