Zobrazeno 1 - 10
of 173
pro vyhledávání: '"Anne-Christine Hladky"'
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:
Journal of the Acoustical Society of America
Journal of the Acoustical Society of America, Acoustical Society of America, 2021, 149 (5), pp.3122-3132. ⟨10.1121/10.0004824⟩
Journal of the Acoustical Society of America, 2021, 149 (5), pp.3122-3132. ⟨10.1121/10.0004824⟩
Journal of the Acoustical Society of America, Acoustical Society of America, 2021, 149 (5), pp.3122-3132. ⟨10.1121/10.0004824⟩
Journal of the Acoustical Society of America, 2021, 149 (5), pp.3122-3132. ⟨10.1121/10.0004824⟩
International audience; 1-3 piezocomposites are first choice materials for integration in ultrasonic transducers due to their high electromechanical performance, particularly, in their thickness mode. The determination of a complete set of effective
Publikováno v:
Journal of the Acoustical Society of America
Journal of the Acoustical Society of America, Acoustical Society of America, 2020, ⟨10.1121/10.0000727⟩
Journal of the Acoustical Society of America, 2020, ⟨10.1121/10.0000727⟩
Journal of the Acoustical Society of America, Acoustical Society of America, 2020, ⟨10.1121/10.0000727⟩
Journal of the Acoustical Society of America, 2020, ⟨10.1121/10.0000727⟩
Material effective properties of composite media or their acoustic performance are often required to be experimentally determined or verified. For underwater applications, systems can be characterized in an open water tank in which a conventional mea
Autor:
Driss Khouili, Abdelmajid Bybi, Ahmed Mzerd, Christian Granger, Mohammed Garoum, Anne-Christine Hladky-Hennion
Publikováno v:
International Journal of Engineering and Technology Innovation
International Journal of Engineering and Technology Innovation, 2020, 10 (1), pp.01-14. ⟨10.46604/ijeti.2020.4348⟩
Scopus-Elsevier
International Journal of Engineering and Technology Innovation, Vol 10, Iss 1 (2020)
International Journal of Engineering and Technology Innovation, 2020, 10 (1), pp.01-14. ⟨10.46604/ijeti.2020.4348⟩
Scopus-Elsevier
International Journal of Engineering and Technology Innovation, Vol 10, Iss 1 (2020)
International audience; Ultrasonic transducer arrays are generally composed of several piezoelectric elements arranged in 1D or 2D ways. Crosstalk is an undesirable phenomenon decreasing the performance of these devices. It generates parasitic displa
Publikováno v:
Électronique.
Les cristaux phononiques sont de structures artificielles formees d'une distribution periodique d'au moins deux materiaux, pouvant presenter des bandes de frequences dans lesquelles la propagation des ondes acoustiques ou elastiques est evanescente.
Autor:
Aziz Ettahir, Anne Christine Hladky, Ouadia Mouhat, Kamal Kettani, Imane Laasri, Mohammad Jamal, Abdelmajid Bybi
Publikováno v:
Applied Acoustics
Applied Acoustics, 2020, ⟨10.1016/j.apacoust.2020.107509⟩
Applied Acoustics, Elsevier, 2020, ⟨10.1016/j.apacoust.2020.107509⟩
Applied Acoustics, 2020, ⟨10.1016/j.apacoust.2020.107509⟩
Applied Acoustics, Elsevier, 2020, ⟨10.1016/j.apacoust.2020.107509⟩
International audience; Crosstalk is considered as an undesirable phenomenon disturbing the electromechanical behavior of the ultrasonic transducer arrays used in medical imaging applications. Indeed, when one element of a transducer array is excited
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bac0a58dc67283112668499cd4147e5b
https://hal.science/hal-03019835
https://hal.science/hal-03019835
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
Autor:
Ahmed Mzerd, Adil Ammar, Anne-Christine Hladky, Sébastien Grondel, Mohammed Garoum, Abdelmajid Bybi
Publikováno v:
2020 International Conference on Electrical and Information Technologies (ICEIT)
4th International Conference on Electrical and Information Technologies, ICEIT 2020
4th International Conference on Electrical and Information Technologies, ICEIT 2020, Mar 2020, Rabat, Morocco. pp.1-6, ⟨10.1109/ICEIT48248.2020.9113231⟩
4th International Conference on Electrical and Information Technologies, ICEIT 2020
4th International Conference on Electrical and Information Technologies, ICEIT 2020, Mar 2020, Rabat, Morocco. pp.1-6, ⟨10.1109/ICEIT48248.2020.9113231⟩
International audience; Crosstalk is an undesirable phenomenon having a negative impact on the electroacoustic performance of ultrasonic transducer arrays, utilized in medical imaging and NDT applications. Indeed, when one element of a transducer arr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5e17618b00e9583c68111574be6be31
https://hal.archives-ouvertes.fr/hal-03209107
https://hal.archives-ouvertes.fr/hal-03209107
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