Vibro-acoustic properties of auxetic open Cell foam: Model and experimental results

I. Chekkal; M. Bianchi; C. Remillat; F. X. Bécot; L. Jaouen; F. Scarpa

doi:10.3813/AAA.918276

Vibro-acoustic properties of auxetic open Cell foam: Model and experimental results

I. Chekkal, M. Bianchi^*, C. Remillat, F. X. Bécot, L. Jaouen, F. Scarpa

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

20 Citations (Scopus)

Abstract

The combined mechanical and acoustic properties of auxetic (negative Poisson's ratio) foams are described both from a numerical and experimental point of view. Samples of open cell PU-PE foams with negative Poisson's ratio are produced using a dedicated manufacturing process, and subjected to tensile quasi static and cyclic loading, as well as sound absorption measurements based on ISO 10-534-2 Standard. A homogenization model based on the Biot's theory is also derived to calculate the poroelastic parameters of the foam. The experimental and numerical results are compared and commented to provide explanations regarding the unusual acoustic absorption of these porous materials. © S. Hirzel Verlag · EAA.

Translated title of the contribution	Vibro-Acoustic Properties of Auxetic Open Cell Foam: Model and Experimental Results
Original language	English
Pages (from-to)	266-274
Number of pages	9
Journal	Acta Acustica united with Acustica
Volume	96
Issue number	2
DOIs	https://doi.org/10.3813/AAA.918276
Publication status	Published - 1 Mar 2010

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title = "Vibro-acoustic properties of auxetic open Cell foam: Model and experimental results",

abstract = "The combined mechanical and acoustic properties of auxetic (negative Poisson's ratio) foams are described both from a numerical and experimental point of view. Samples of open cell PU-PE foams with negative Poisson's ratio are produced using a dedicated manufacturing process, and subjected to tensile quasi static and cyclic loading, as well as sound absorption measurements based on ISO 10-534-2 Standard. A homogenization model based on the Biot's theory is also derived to calculate the poroelastic parameters of the foam. The experimental and numerical results are compared and commented to provide explanations regarding the unusual acoustic absorption of these porous materials. {\textcopyright} S. Hirzel Verlag · EAA.",

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AU - Chekkal, I.

AU - Bianchi, M.

AU - Remillat, C.

AU - Bécot, F. X.

AU - Jaouen, L.

AU - Scarpa, F.

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AB - The combined mechanical and acoustic properties of auxetic (negative Poisson's ratio) foams are described both from a numerical and experimental point of view. Samples of open cell PU-PE foams with negative Poisson's ratio are produced using a dedicated manufacturing process, and subjected to tensile quasi static and cyclic loading, as well as sound absorption measurements based on ISO 10-534-2 Standard. A homogenization model based on the Biot's theory is also derived to calculate the poroelastic parameters of the foam. The experimental and numerical results are compared and commented to provide explanations regarding the unusual acoustic absorption of these porous materials. © S. Hirzel Verlag · EAA.

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