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Affichage de 4161 à 4170 sur 16446

Article dans une revue

Active control of the transmission of Lamb waves through an elastic metamaterial

W. Wang, B. Bonello, Bahram Djafari-Rouhani, X. Fang, Yan Pennec, J. Zhao, Y. Jin

We have numerically investigated the transmission of an antisymmetric Lamb wave through a line of silicon pillars erected onto a homogeneous silicon plate when the frequency is tuned to a resonant frequency of the pillars. For either a bending mode or a compressional mode, the resonators emit in...

Journal of Applied Physics, 2020, 128 (6), pp.065107. ⟨10.1063/5.0017526⟩. ⟨hal-02924674⟩

Article dans une revue

Polymer photonic crystal membrane for thermo-regulating textile

Salim Assaf, Mohamed Boutghatin, Yan Pennec, V. Thomy, Alexander Korovin, A. Treizebre, Michèle Carette, Abdellatif Akjouj, Bahram Djafari-Rouhani

We study numerically the absorption and scattering properties of a polymer photonic membrane to thermoregulate the human body microclimate which corresponds to the area between the skin and a textile. We first show that the structuration of the absorbing photonic membrane with air holes leads to a...

Scientific Reports, 2020, 10 (1), pp.9855. ⟨10.1038/s41598-020-66731-1⟩. ⟨hal-03142220⟩

Communication dans un congrès

Reference-free damage localization based on pump-probe measurements

Marina Terzi, Lynda Chehami, Emmanuel Moulin, Nikolay Smagin, Vladislav Aleshin

Nondestructive testing is often based on comparison between experimental data measured on damaged and intact samples. However, properties of intact samples can change with time, temperature or other external factors. An alternative approach discussed here solely uses data obtained on a damaged...

e-Forum Acusticum, Dec 2020, Lyon, France. pp.67-72, ⟨10.48465/fa.2020.0754⟩. ⟨hal-03240303⟩

Communication dans un congrès

Subcellular imaging during single cell mechanical characterization

Deniz Pekin, Gregoire Perret, Quentin Rezard, Jean Claude Gerbedoen, Samuel Meignan, Dominique Collard, Chann Lagadec, Mehmet Tarhan

We report a method for combining confocal microscopy with single-cell mechanical characterization. This method allows investigating the effect of subcellular deformation (e.g. membranes, cytoplasm, cytoskeleton and organelles as endoplasmic reticulum, mitochondria, and nucleus) on cell mechanical...

33rd IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Jan 2020, Vancouver, Canada. pp.62-65, ⟨10.1109/MEMS46641.2020.9056362⟩. ⟨hal-03322819⟩

Communication dans un congrès

Inducing dispersion curves with negative group velocity in inertially amplified phononic crystals through the application of an external state of prestress

M. Miniaci, M. Mazzotti, A. Amendola, F. Fraternali

In this paper, we report about the effect of the application of a state of prestress on the band structure of a periodic phononic crystal characterized by an inertial amplification mechanism. Through a numerical example, we show the possibility of inducing negative group velocity in an isolated...

XI International Conference on Structural Dynamic, EURODYN 2020, Nov 2020, Athens, Greece. pp.612-620, ⟨10.47964/1120.9048.21611⟩. ⟨hal-03135962⟩

Article dans une revue

Channel Estimation Techniques for Millimeter-Wave Communication Systems: Achievements and Challenges

Kais Hassan, Mohammad Masarra, Marie Zwingelstein, Iyad Dayoub

The fifth-generation (5G) of cellular networks and beyond requires massive connectivity, high data rates, and low latency. Millimeter-wave (mmWave) communications is a key 5G enabling technology to meet these requirements thanks to its technical potentials that can be integrated with other 5G...

IEEE Open Journal of the Communications Society, 2020, 1, pp.1336-1363. ⟨10.1109/OJCOMS.2020.3015394⟩. ⟨hal-03455706⟩

Article dans une revue

Power-efficient reliable register file for aggressive-environment applications

Ihsen Alouani, Hamzeh Ahangari, Özcan Özturk, Smail Niar

In a context of increasing demands for on-board data processing, insuring reliability under reduced power budget is a serious design challenge for embedded system manufacturers. Particularly, embedded processors in aggressive environments need to be designed with error hardening as a primary goal,...

IET Computers & Digital Techniques, 2020, 14 (1), pp.1-8. ⟨10.1049/iet-cdt.2018.5047⟩. ⟨hal-03322796⟩

Communication dans un congrès

Eve, you shall not get access! A cyber-physical blockchain architecture for electronic toll collection security

Ahmed Didouh, Anthony Bahadir Lopez, Yassin El Hillali, Atika Rivenq, Mohammad Abdullah Al Faruque

Cooperative intelligent transportation system (C-ITS) applications are generally susceptible to position spoofing-dependent attacks such as Sybil and DDoS attacks due to a lack of established solutions. This paper presents a novel cyber-physical blockchain cryptographic architecture to help prevent...

23rd IEEE International Conference on Intelligent Transportation Systems, ITSC 2020, Sep 2020, Rhodes, Greece. pp.1-7, ⟨10.1109/ITSC45102.2020.9294334⟩. ⟨hal-03360239⟩

Communication dans un congrès

Development of High Frequency Interdigital Transducers for NDT of Thin Films

Tahar Kadi, Marc Duquennoy, Mohammadi Ouaftouh, Nikolay Smagin, Frédéric Jenot

Various engineering systems components suffer destructive effects on their surfaces, like wear, fatigue, or corrosion during their operation. Protecting the surface by hardening treatments or applying coatings is a widespread way to extend their life and improve the product quality. Important...

Forum Acusticum, Dec 2020, Lyon, France. pp.2653-2659, ⟨10.48465/fa.2020.0396⟩. ⟨hal-03242427⟩

Communication dans un congrès

Effect of substrate moisture content on sound absorption by green systems

Emmanuel Attal, Nicolas Côté, Takafumi Shimizu, Bertrand Dubus

Sound and noise reflections from acoustically rigid materials constituting buildings and roads contribute strongly to acoustic environment in urban areas. Building envelope greening which improves noticeably sound absorption, may be a solution for acoustic protection in cities when applied in a...

Forum Acusticum, Dec 2020, Lyon, France. pp.467-467, ⟨10.48465/fa.2020.0122⟩. ⟨hal-03233641⟩