Matelys has been awarded the "Gold Decibel 2011" in category "Research" by the French National Council for Noise (CNB): http://www.developpement-durable.gouv.fr (in French).

Peer-reviewed articles

→ 2012

Microstructure, transport, and acoustic properties of open-cell foam samples: Experiments and three-dimensional numerical simulations,
C. Perrot, F. Chevillotte, M. T. Hoang, G. Bonnet, F.-X. Bécot, L. Gautron, A. Duval,
J. Appl. Phys 111, 014911, 2012.
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Controlling sound absorption by an upstream resistive layer,
F. Chevillotte,
Applied Acoustics 73, pp. 56-60, 2012.
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→ 2011

Noise control strategies using composite porous materials – Simulations and experimental validations on plate/cavity systems
F.-X. Bécot, L. Jaouen, F. Sgard,
Noise Control Eng. J. 59(5), pp. 464-475, 2011.
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Coupling transfer matrix method to finite element method for analyzing the acoustics of complex hollow body networks
F. Chevillotte, R. Panneton,
Applied Acoustics 72 (12), pp. 962-968, 2011.
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Acoustical characterization of perforated facings
L. Jaouen, F.-X. Bécot,
J. Acoust. Soc. Am. 129 (3), pp. 1400-1406, 2011.
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Characterization of elastic parameters of acoustical porous materials from beam bending vibrations
A. Renault, L. Jaouen, F. Sgard,
J. Sound Vib. 330(9), pp. 1950-1963, 2011.
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→ 2010

Microstructure based model for sound absorption predictions of perforated closed-cell metallic foams
F. Chevillotte, C. Perrot, R. Panneton,
J. Acoust. Soc. Am. 128(4), pp. 1766–1776, 2010.
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Acoustics of Porous Materials: Recent Advances Relating to Modelling, Characterization and New Materials
K. Horoshenkov, F.-X. Bécot, L. Jaouen,
Preface letter to a special session of Acta Acustica United with Acustica (Volume 96, Number 2, March/April 2010).
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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, F,
Acta Acustica 96, pp. 266-274, 2010.
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→ Earlier on...

Development of analytical solution of modified Biot's equations for the optimisation of lightweight acoustic protection
J. Kanfoud, M.-A. Hamdi, F.X. Bécot, L Jaouen
J. Acoust. Soc. Am. 125(2), pp 863-872, 2009.
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Dynamic viscous permeability of an open-cell aluminum foam: Computations versus experiments
C. Perrot, F.Chevillotte, R. Panneton, J. Appl. Phys. 103, 024909, 2008.
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On the dynamic viscous permeability tensor symmetry
C. Perrot, F.Chevillotte, R. Panneton, J.-F. Allard, D. Lafarge, J. Acoust. Soc. Am. 124 (4), EL210, 2008.
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Bottom-up approach for microstructure optimization of sound absorbing materials
C. Perrot, F.Chevillotte, R. Panneton, J. Acoust. Soc. Am. 124 (2), 2008.
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Application of the dual porosity theory to irregularly shaped porous materials
F.-X. Bécot, L. Jaouen, E. Gourdon
Acta Acustica 94, pp. 715-724, 2008.
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Expressions of dissipated powers and stored energies in poroelastic media modeled by u,U and u,P formulations
O. Dazel, F. Sgard, F.-X. Bécot, N. Atalla
J. Acoust. Soc. Am. 133, pp. 2054-2063, 2008.
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Elastic and damping characterizations of acoustical porous materials: available experimental methods and application to a melamine foam
L. Jaouen, A. Renault, M. Deverge
Applied Acoustics 69, pp. 1129-1140, 2008.
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Elastic characterization of closed cell foams from impedance tube absorption tests
F. Chevillotte, R. Panneton
J. Acoust. Soc. Am. 122(5), pp. 2653–2660, 2007
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Reproducibility experiments on measuring acoustical properties of rigid-frame porous media (round-robin tests)
K.V. Horoshenkov, A. Khan, F.-X. Bécot, L. Jaouen, F. Sgard, A. Renault, N. Amirouche, F. Pompoli, N. Prodi, P. Bonfiglio, G. Pispola, F. Asdrubali, J. Hübelt, N. Atalla, C. Amédin, W. Lauriks, L. Boeckx
J. Acoust. Soc. Am. 122(1), pp. 345–353, 2007.
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Multiple scattering of acoustic waves and porous absorbing media
V. Tournat, V. Pagneux, D. Lafarge, L. Jaouen
Phys. Rev. E 70, 026609, 2004.
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New approach for the measurement of damping properties of materials using the Oberst beam
J.-L. Wojtowicki, L. Jaouen, R. Panneton
Rev. Sci. Instrum. 75(8) pp. 2569-2574, 2004.
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Proceedings of conferences

→ 2011

Analytical modeling of deformable porous composites
F.-X. Bécot, L. Jaouen, F. Chevillotte,
in Proceedings of Forum Acusticum, Aalborg, (Denmark), 2011.
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Relating manufacturing parameters and material microstructure to acoustic properties of recycled polymers
F.-X. Bécot, L. Jaouen, F. Chevillotte, A. Khan, K. Horoshenkov,
in Proceedings of Forum Acusticum, Aalborg, (Denmark), 2011.
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Acoustical composite porous media
F.-X. Bécot, L. Jaouen, F. Chevillotte,
in Proceedings of InterPore 2011, Bordeaux (France), 2011.

Better materials' description for better products' development : examples of multi-scale porous materials
F.-X. Bécot, L. Jaouen, F. Chevillotte,
in Proceedings of Ecophon International Acousticians' Seminar, Båstad (Sweden), 2011.

Microstructure, transport, and acoustic properties of real foam samples
C. Perrot, G. Bonnet, M. T. Hoang, F. Chevillotte, F.-X. Bécot, L. Gautron, A. Duval,
in Proceedings of 18th ICSV, Rio de Janeiro (Brazil), 2011.

→ 2010

Indirect acoustical characterization of foams with two scales of porosity, case of micro-scale characteristic length of the order of 1 micron
L. Jaouen, F.-X. Bécot,
in Proceedings of 17th ICSV, Cairo (Egypt), 2010.

Structural effects in double porosity materials : analytical modeling and numerical validation
F.-X. Bécot, L. Jaouen, O. Dazel,
in Proceedings of ISMA conference on Noise and Vibration Engineering, Leuven (Belgium), 2010.

Microstructure – acoustic properties relationships: Application to membrane and bimodal pore-size distribution effects
C. Perrot, M. T. Hoang, G. Bonnet, F. Chevillotte, F.-X. Bécot, L. Jaouen, L. Gautron, R. Combes, A. Duval, J.-F. Rondeau,
In Proceedings of ISMA conference on Noise and Vibration Engineering, Leuven (Belgium), 2010

Identification of the elastic properties of conventional and auxetic open cell PU-foams using spectral methods
F. Scarpa, M. Bianchi, I. Chekkal, C. Remillat, F.-X. Bécot, L. Jaouen,
in Proceedings of 10e Congrès Français d'Acoustique, Lyon (France), 2010.

Identification d'un champ de pression pariétale induit par un écoulement turbulent à partir de mesures vibratoires
F. Chevillotte, Q Leclere, N. Totaro, C. Pezerat, P. Souchotte, G. Robert,
in Proceedings of 10e Congrès Français d'Acoustique, Lyon (France), 2010.

Mesure directe de coefficient de Poisson de matériaux poreux acoustiques
A. Renault, L. Jaouen, F. Sgard, A. Atalla,
In Proceedings of 10e Congrès Français d'Acoustique, Lyon (France), 2010.

Caractérisation de paramètres élastiques de matériaux poreux acoustiques à partir de poutres en flexion
A. Renault, L. Jaouen, F. Sgard, A. Atalla,
In Proceedings of 10e Congrès Français d'Acoustique, Lyon (France), 2010.

→ Earlier on...

Three-dimensional idealized unit-cell based method for computing acoustic properties of low-density reticulated foams
C. Perrot, M. T. Hoang, G. Bonnet, F. Chevillotte, F.-X. Bécot, L. Jaouen, A. Duval, J.-F. Rondeau, L. Gautron, R. Combes,
in Proceedings of Euronoise 2009, Edimburgh (Scotland), 2009.

Acoustical porous material, a brief history
L. Jaouen, F.-X. Bécot,
in Proceedings of SAPEM 2008, Bradford (UK), 2008.

Innovative methods for designing highly efficient noise control passive solutions in buildings
F. Sgard, F.-X. Bécot, L. Jaouen, E. Gourdon, N. Atalla, R. Panneton,
in Proceedings of Canadian Acoustics, Montreal (Canada), 2007.
Invited plenary talk.