Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Charles Croënne"'
Autor:
Anne-Christine Hladky-Hennion, Charles Croënne, Bertrand Dubus, Jérôme Vasseur, Lionel Haumesser, Dimitri Manga, Bruno Morvan
Publikováno v:
AIP Advances, Vol 1, Iss 4, Pp 041405-041405-8 (2011)
Negative refraction properties of a two-dimensional phononic crystal (PC), made of a triangular lattice of steel rods embedded in epoxy are investigated both experimentally and numerically. First, experiments have been carried out on a prism shaped P
Externí odkaz:
https://doaj.org/article/473131d87a994c6ab3f615f731aea4e4
Publikováno v:
182nd Meeting of the Acoustical Society of America
182nd Meeting of the Acoustical Society of America, May 2022, Denver, United States. pp.A42-A42, ⟨10.1121/10.0010596⟩
182nd Meeting of the Acoustical Society of America, May 2022, Denver, United States. pp.A42-A42, ⟨10.1121/10.0010596⟩
oral presentation; International audience; This work concerns the propagation of elastic waves in a piezoelectric phononic crystal made of several identical piezoelectric elements separated by electrodes. In such a structure, electrical conditions pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e8aee462c250ec27a73f46e1ddc7bff
https://hal.science/hal-03675726
https://hal.science/hal-03675726
Autor:
Marco Miniaci, Maryam Morvaridi, Charles Croënne, Federico Bosia, Matteo Mazzotti, Antonio Gliozzi, Nesrine Kherraz, Nicola M. Pugno, Miguel Onorato
Publikováno v:
EPJ Applied Metamaterials, Vol 8, p 14 (2021)
EPJ Applied Metamaterials
EPJ Applied Metamaterials, EDP Sciences, 2021, 8, pp.14. ⟨10.1051/epjam/2021009⟩
EPJ Applied Metamaterials, 2021, 8, pp.14. ⟨10.1051/epjam/2021009⟩
EPJ Applied Metamaterials
EPJ Applied Metamaterials, EDP Sciences, 2021, 8, pp.14. ⟨10.1051/epjam/2021009⟩
EPJ Applied Metamaterials, 2021, 8, pp.14. ⟨10.1051/epjam/2021009⟩
International audience; Large scale elastic metamaterials have recently attracted increasing interest in the scientific community for their potential as passive isolation structures for seismic waves. In particular, so-called “seismic shields” ha
Publikováno v:
Journal of Applied Physics
Journal of Applied Physics, 2020, 127 (22), pp.225102. ⟨10.1063/5.0002859⟩
Journal of Applied Physics, American Institute of Physics, 2020, ⟨10.1063/5.0002859⟩
Journal of Applied Physics, 2020, 127 (22), pp.225102. ⟨10.1063/5.0002859⟩
Journal of Applied Physics, American Institute of Physics, 2020, ⟨10.1063/5.0002859⟩
International audience; The effective properties of two-dimensional acoustic metamaterials are here obtained by applying two retrieval methods, referred to as the direct inversion method and the differential method. They employ the scattering coeffic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2cc1a6c21ec8ffbfb92013a923be89c
https://hal.science/hal-03019987/document
https://hal.science/hal-03019987/document
Publikováno v:
Acta Acustica
Acta Acustica, 2022, 6, pp.42. ⟨10.1051/aacus/2022037⟩
Acta Acustica, 2022, 6, pp.42. ⟨10.1051/aacus/2022037⟩
International audience; To study the influence of classical phononic crystal (PC) structures on the acoustical characteristics of a sound source, a combined acoustics/perceptual analysis is conducted on a PC specially designed to exhibit several spec
Autor:
Mai Pham Thi, Claude Prevot, Anne-Christine Hladky-Hennion, Charles Croënne, Jérôme Vasseur, Clement Vasseur, Bertrand Dubus
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Institute of Electrical and Electronics Engineers, 2018, 65 (9), pp.1552-1562. ⟨10.1109/TUFFC.2018.2847246⟩
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2018, 65 (9), pp.1552-1562. ⟨10.1109/TUFFC.2018.2847246⟩
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Institute of Electrical and Electronics Engineers, 2018, 65 (9), pp.1552-1562. ⟨10.1109/TUFFC.2018.2847246⟩
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2018, 65 (9), pp.1552-1562. ⟨10.1109/TUFFC.2018.2847246⟩
A piezoelectric plate, poled along its thickness and supporting on its top and bottom surfaces a periodic grating of electrodes, is considered. An analytical model allowing band structure calculation is derived for the first symmetrical mode propagat
Publikováno v:
Journal of the Acoustical Society of America
178th Meeting of the Acoustical Society of America
178th Meeting of the Acoustical Society of America, Dec 2019, San Diego, CA, United States. paper 2aPA3, 2828-2828, ⟨10.1121/1.5136797⟩
178th Meeting of the Acoustical Society of America
178th Meeting of the Acoustical Society of America, Dec 2019, San Diego, CA, United States. paper 2aPA3, 2828-2828, ⟨10.1121/1.5136797⟩
Conference invitée du 178th Meeting of the Acoustical Society of America, San Diego, CA, USA, december 2-6, 2019; International audience; Acoustic stealth and discreteness of underwater vehicles are important issues in underwater acoustics. These ve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5224ced628680425b54257735b92cf6
https://hal.science/hal-03209108
https://hal.science/hal-03209108
Autor:
Charles Croënne, Anne-Christine Hladky, Fernand Léon, Farid Chati, Mai Pham Thi, Dominique Décultot, Raphael Lardat, Michel Tran-Van-Nhieu, Laurent Divay, Gérard Maze, Bertrand Dubus
Publikováno v:
Journal of the Acoustical Society of America
Journal of the Acoustical Society of America, Acoustical Society of America, 2018, 144 (2), pp.785-795. ⟨10.1121/1.5049933⟩
Journal of the Acoustical Society of America, 2018, 144 (2), pp.785-795. ⟨10.1121/1.5049933⟩
Journal of the Acoustical Society of America, Acoustical Society of America, 2018, 144 (2), pp.785-795. ⟨10.1121/1.5049933⟩
Journal of the Acoustical Society of America, 2018, 144 (2), pp.785-795. ⟨10.1121/1.5049933⟩
Double layer structures consisting of stainless steel and polymer rods are designed to blur and attenuate Bragg and Bloch-Floquet scattering from a periodically ribbed plate in a given frequency bandwidth. These structures can be considered as ribbed
Autor:
Paolo Martins, Bertrand Dubus, Jerome Vasseur, Anne-Christine Hladky-Hennion, Claude Prevot, Clement Vasseur, Charles Croënne, Mai Pham-Thi
Publikováno v:
2017 IEEE International Ultrasonics Symposium (IUS)
2017 IEEE International Ultrasonics Symposium (IUS), Sep 2017, Washington, United States. paper 6H-2, 4 p., ⟨10.1109/ULTSYM.2017.8092676⟩
2017 IEEE International Ultrasonics Symposium (IUS), Sep 2017, Washington, United States. paper 6H-2, 4 p., ⟨10.1109/ULTSYM.2017.8092676⟩
Recent analytical and numerical studies have shown that Electrical Bragg band gaps (EBBGs) may occur in piezoelectric plates poled along their thicknesses, with a 1D periodic array of electrodes on their two faces (Fig. 1) [C. Vasseur et al, Proceedi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87348522be4521539b3d52e2bdc0e799
https://hal.archives-ouvertes.fr/hal-03299385
https://hal.archives-ouvertes.fr/hal-03299385
Autor:
Bertrand Dubus, Claude Prevot, Jerome Vasseur, Charles Croënne, Clement Vasseur, Mai Pham Thi, Anne-Christine Hladky-Hennion
Publikováno v:
2017 11th International Congress on Engineered Materials Platforms for Novel Wave Phenomena (Metamaterials)
2017 11th International Congress on Engineered Materials Platforms for Novel Wave Phenomena (Metamaterials), Aug 2017, Marseille, France. pp.145-147, ⟨10.1109/MetaMaterials.2017.8107869⟩
2017 11th International Congress on Engineered Materials Platforms for Novel Wave Phenomena (Metamaterials), Aug 2017, Marseille, France. pp.145-147, ⟨10.1109/MetaMaterials.2017.8107869⟩
International audience; In this paper, a piezoelectric plate poled along its thickness is considered. A periodic grating of electrodes is deposited on its top and bottom surfaces. An analytical model is developed considering wave propagation along th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d31a63203d03a9346b89c2513d30d3db
https://hal.science/hal-03299379
https://hal.science/hal-03299379