Passive discrete lens for broadband elastic guided wave focusing

Autor: Emeline Sadoulet-Reboul, Gaël Matten, Kaijun Yi, Morvan Ouisse

Publikováno v: Journal of Theoretical, Computational and Applied Mechanics (2021)

Elastic guided wave focusing is of great interest for applications such as vibroacoustic control, energy harvesting, or Structural Health Monitoring. Different strategies allow generation of this effect, GRadient-INdex devices in particular exploit m

Externí odkaz: https://doaj.org/article/b60dc404035d430ab4650996893b06ee

Numerical Optimization of Liner Impedance in Acoustic Duct

Autor: Emanuele de Bono, Maxime Volery, Matthias Perez, Manuel Collet, Morvan Ouisse, Jacky Mardjono, Gaël Matten, Hervé Lissek, Kevin Billon, Edouard Salze

Publikováno v: ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
Web of Science
SMASIS
SMASIS, Sep 2020, Los Angeles (virtual), United States. ⟨10.1115/SMASIS2020-2435⟩
ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Sep 2020, Virtual, France. ⟨10.1115/SMASIS2020-2435⟩

The SALUTE project aims at evaluating performance of metacomposites for acoustic smart lining in grazing turbulent flow. Theoretical and numerical investigations are carried out for designing innovative specimen. A specific focus is placed in the rea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e94a2bae7188e5bf4ffeb2e14ddc7f66

Broadband Nonreciprocal Acoustic Propagation Using Programmable Boundary Conditions: From Analytical Modeling to Experimental Implementation

Autor: Emanuele de Bono, Gaël Matten, Morvan Ouisse, Etienne Rivet, Manuel Collet, Sami Karkar

Publikováno v: Physical Review Applied
Physical Review Applied, American Physical Society, 2019, 12 (5), pp.054033 (10)
HAL

In this paper, we theoretically, numerically and experimentally demonstrate the acoustic isolator effect in a 1D waveguide with direction dependent controlled boundary conditions. A theoretical model is used to explain the principle of non reciprocal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6e37428e8c04a278ed5291c38837f59
https://doi.org/10.1103/physrevapplied.12.054033

Design and assessment of a distributed active acoustic liner concept for application to aircraft engine noise reduction

Autor: Morvan Ouisse, Gaël Matten, Romain Boulandet, Manuel Collet, Sami Karkar, Hervé Lissek

Publikováno v: Acoustics
Acoustics, Jun 2017, Boston, United States

International audience; Acoustic liners are a widespread solution for noise mitigation at aircraft engine level, due to lightweight and relatively small dimensions for integration within nacelles. Although conventional liners might be designed so as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0fa645d680a52c914e92218991f6c1b
https://hal.archives-ouvertes.fr/hal-03053059

Design and experimental validation of an active acoustic liner aircraft engine noise reduction

Autor: Gaël Matten, Morvan Ouisse, Manuel Collet, Sami Karkar, Hervé Lissek, Romain Boulandet, Marc Versaevel

Publikováno v: Euro-Mediterranean Conference on Structural Dynamics and Vibroacoustics
Euro-Mediterranean Conference on Structural Dynamics and Vibroacoustics, Apr 2017, Sevilla, Spain
HAL

International audience; The use of acoustic liners in aviation industry is a quite common solution for reducing the engines acoustic emissions. Although the current solutions based on single or multilayer liners are efficient and compact for the mid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::32b7de84904c154f1f35521091bf9af0
https://hal.archives-ouvertes.fr/hal-02392572