Search Results - "Gourdon, Emmanuel"

Innovative origami-based solutions for enhanced quarter-wavelength resonators by Cambonie, Tristan, Gourdon, Emmanuel

“…Sound absorption at low to moderate frequencies using quarter-wavelength resonators requires significant resonator's length (for instance 28 cm for 300 Hz), a…”
Get full text

Equivalent dynamic model of multilayered structures with imperfect interfaces: Application to a sandwich structured plate with sliding interfaces by Auquier, Nicolas, Ege, Kerem, Gourdon, Emmanuel

“…This works aims to build an equivalent model of multilayered structures with imperfect interfaces for vibro-acoustic modeling and characterization. To take…”
Get full text

Experimental development and optimization of a standing wave thermoacoustic refrigerator using additive manufactured stacks by Sarpero, Emanuele, Gourdon, Emmanuel, Borelli, Davide

“…•Multi-objective optimization of a standing wave thermoacoustic refrigerator.•Additive manufacturing of stacks for thermoacoustic refrigeration.•Thermophysical…”
Get full text

Estimation of all six parameters of Johnson-Champoux-Allard-Lafarge model for acoustical porous materials from impedance tube measurements by Jaouen, Luc, Gourdon, Emmanuel, Glé, Philippe

“…The open porosity of air-saturated acoustical porous materials is estimated from the low-frequency or high-frequency asymptotes of the real part of the dynamic…”
Get full text

Bending a quarter wavelength resonator : Curvature effects on sound absorption properties by Cambonie, Tristan, Mbailassem, Fulbert, Gourdon, Emmanuel

“…Sound absorption with quarter wavelength resonators at low to moderate frequencies (300–1200 Hz) demands substantial resonator’s length (respectively 28 to…”
Get full text

Detection of different dynamics of two coupled oscillators including atime-dependent cubic nonlinearity by Labetoulle, Aurélie, Ture Savadkoohi, Alireza, Gourdon, Emmanuel

“…Vibratory energy channelling between a linear and a nonlinear oscillators is studied at different timescales. The nonlinear system possesses a time-dependent…”
Get full text

Influence of right-angled elbows on the modal response of labyrinthine meta-materials by Cambonie, Tristan, Gourdon, Emmanuel, Redon, Emmanuel, Leclere, Quentin

“…This article studies how right-angled 90 degrees elbows modify the resonance properties of labyrinths. The resonance properties are evaluated by considering…”
Get full text

Relationship between hygrothermal and acoustical behavior of hemp and sunflower composites by Abbas, Mohamed Said, Gourdon, Emmanuel, Glé, Philippe, McGregor, Fionn, Ferroukhi, Mohammed Yacine, Fabbri, Antonin

“…The experimental characterization of most of the hygrothermal properties of bio-based porous materials, which are characteristic for their double-scale…”
Get full text

A simple equivalent plate model for dynamic bending stiffness of three-layer sandwich panels with shearing core by Arasan, U., Marchetti, F., Chevillotte, F., Jaouen, L., Chronopoulos, D., Gourdon, E.

“…Equivalent or condensed plate models are being used in various industries to reduce the computation time in finite element modelling. Out of the available…”
Get full text

Detection of different possible responses of a time-dependent nonlinear periodic chain with local and global potentials by Labetoulle, A., Ture Savadkoohi, A., Gourdon, E.

“…A time-dependent periodic chain of coupled nonlinear oscillators including local and global potentials is studied. The continuous form of system equations is…”
Get full text

Model-inversion control to enforce tunable Duffing-like acoustical response on an Electroacoustic resonator at low excitation levels by de Bono, E, Morell, M, Collet, Manuel, Gourdon, Emmanuel, Ture Savadkoohi, Alireza, Lamarque, C H, Ouisse, M

“…The electroacoustic resonator is an efficient electro-active device for noise attenuation in enclosed cavities or acoustic waveguides. It is made of a…”
Get full text

Towards digitally programmed nonlinear electroacoustic resonators for low amplitude sound pressure levels: Modeling and experiments by Morell, Maxime, Gourdon, Emmanuel, Collet, Manuel, Ture Savadkoohi, Alireza, De Bono, Emanuele, Lamarque, Claude-Henri

“…Passive acoustic foams have limitations in efficiently reducing low-frequency noise below 800 Hz due to the associated wavelengths for reasonable material…”
Get full text

A self-consistent approach for the acoustical modeling of vegetal wools by Piégay, Clément, Glé, Philippe, Gourlay, Etienne, Gourdon, Emmanuel, Marceau, Sandrine

“…•Cylindrical self-consistent modelling of fibrous materials sound absorption properties.•Biphasic cylindrical inclusion as representative elementary…”
Get full text

Acoustical properties of materials made of vegetable particles with several scales of porosity by Glé, P., Gourdon, E., Arnaud, L.

“…This article is devoted to the acoustical properties of hemp concrete, a “green” building material. In the study, hemp concretes made of different binders and…”
Get full text

Model-inversion control to enforce tunable Duffing-like acoustical response on an Electroacoustic resonator at low excitation levels by De Bono, E., Morell, M., Collet, M., Gourdon, E., Ture Savadkoohi, A., Ouisse, M., Lamarque, C.H.

“…The electroacoustic resonator is an efficient electro-active device for noise attenuation in enclosed cavities or acoustic waveguides. It is made of a…”
Get full text

Condensed finite element scheme for symmetric multi-layer structures including dilatational motion by Arasan, U., Sreekumar, A., Chevillotte, F., Triantafyllou, S.P., Chronopoulos, D., Gourdon, E.

“…Condensed models act as useful tools to reduce the computational time in the finite element simulations by describing the dynamic behaviour of the multi-layer…”
Get full text

Modelling of the acoustical properties of hemp particles by Glé, Philippe, Gourdon, Emmanuel, Arnaud, Laurent

“…► The acoustical dissipation in loose hemp particles is governed by the interparticle pores. ► Double porosity approach is used to model their acoustical…”
Get full text

Stochastic optimization of targeted energy transfer with time-dependent cubic nonlinearity by Labetoulle, A., Missoum, S., Gourdon, E., Ture Savadkoohi, A.

“…The stochastic optimization of a nonlinear energy sink (NES) with a time-dependent stiffness is considered. The NES is linearly coupled to a main system. The…”
Get full text

A cylindrical self-consistent modelling of vegetal wools thermal conductivity by Piégay, Clément, Glé, Philippe, Gourdon, Emmanuel, Gourlay, Etienne

“…•Thermal conductivity modelling for fibrous insulating materials.•Cylindrical self-consistent modelling of vegetal wools thermal conductivity.•Biphasic…”
Get full text

Stochastic optimization of a mass-in-mass cell with piecewise hybrid nonlinear–linear restoring force by da Silveira Zanin, C., Missoum, S., Ture Savadkoohi, A., Baguet, S., Gourdon, E., Dufour, R.

“…This article investigates the optimization under uncertainty of a mass-in-mass meta-cell for its potential use within a metamaterial. The specificity of the…”
Get full text