Design of acoustic metamaterials made of Helmholtz resonators for perfect absorption by using the complex frequency plane

Autor: Vicente Romero-García, Aurélien Merkel, Vassos Achilleos, Vincent Pagneux, Noé Jiménez, Olivier Richoux, Vincent Tournat, Georgios Theocharis, Jean-Philippe Groby

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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[Otros] Dans cette revue, nous présentons des résultats sur l'absorption acoustique parfaite sub-longueur d'onde faisant appel à des métamatériaux acoustiques avec des résonateurs Helmholtz pour différentes configurations. L'absorption parfait

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d58879c6c80df9862f12da4e65cbf8b
https://doi.org/10.5802/crphys.32

Phénomènes non linéaires dans les métamatériaux acoustiques 1D

Autor: Zhang, Jiangyi

Publikováno v: Acoustics [physics.class-ph]. Université du Maine, 2019. English. ⟨NNT : 2019LEMA1014⟩

The subject of this PhD thesis is the propagation of nonlinear waves in 1D acoustic metamaterials. More specifically we aim to study the interplay between nonlinearity, loss and dispersion. Our studies combine analytical calculations, numerical simul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2592::7d715edfc78b5f28b946b9cd313047ad
https://tel.archives-ouvertes.fr/tel-03035015

Matière molle et microfluidique pour la mise en forme de métafluides acoustiques dans le domaine ultrasonore

Autor: Leng, Jacques, Brunet, Thomas, Mondain-Monval, Olivier

Publikováno v: Techniques de l’Ingénieur. Techniques d'Analyse
Techniques de l’Ingénieur. Techniques d'Analyse, 2017

International audience; Soft Matter techniques have been used extensively for decades for the creation of original materials, structured on a scale ranging from nanometer to micrometer, and often with a strong hierarchy. Here, materials derived from

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2592::c52ebeefbccd4a2dfa75db3d2559f097
https://hal.archives-ouvertes.fr/hal-02901678

Study of acoustic transmission of locally resonant metaslabs

Autor: Ba, Abdoulaye Sidiki

Publikováno v: Acoustique [physics.class-ph]. Université de Bordeaux, 2016. Français. ⟨NNT : 2016BORD0228⟩

Acoustic metamaterials may behave like sub-wavelength and broadband sound-absorbers, opening thus new promising routes for sound insulation. In this context, we have designed and achieved heterogeneous structures composed of soft porous silicone rubb

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1d73fba6cb2c123720b3e38e2934e52d
https://tel.archives-ouvertes.fr/tel-01480516/document

How diffraction limits ultrasonic screening in phononic plate composed of a periodic array of resonant slits

Autor: Younes Achaoui, Morvan Ouisse, Philippe Lasaygues, Mahmoud Addouche, A. Elayouch, Abdelkrim Khelif

Publikováno v: Comptes Rendus. Physique
Comptes Rendus. Physique, 2016, 17 (5), pp.518-523. ⟨10.1016/j.crhy.2016.02.006⟩
Comptes Rendus. Physique, Académie des sciences (Paris), 2016, 17 (5), pp.518-523. ⟨10.1016/j.crhy.2016.02.006⟩

International audience; We explore experimentally the role played by diffraction in the phenomenon of acoustic shielding provided by a plate that is periodically perforated with subwavelength slits and immersed in water. We carried out ultrasonic tra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e10362ea8e52e2104398c37d3f460e4
https://hal.science/hal-01446389/document