275 citations
- Centre National de la Recherche ScientifiqueFR262 papers
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- Institut National des Sciences Appliquées de LyonFR136 papers
- Laboratoire de Mécanique des Fluides et d'AcoustiqueFR117 papers
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30 papers · 1 filter
Minimal model of quasi-cyclic behaviour in turbulence driven by Taylor--Green forcing
Ryo Araki, Wouter J. T. Bos, Susumu Goto
We attempt to formulate the simplest possible model mimicking turbulent dynamics, such as quasi-cyclic behaviour (QCB), using only three variables. To this end, we first conduct di…
Innovative Electroacoustic resonator Control enforcing Duffing dynamics at moderate excitation levels: conception and experimental validation
Emanuele De Bono, Maxime Morell, Manuel Collet +3
The electroacoustic resonator is an effcient electro-active device for noise attenuation in enclosed cavities or acoustic waveguides. It is made of a loudspeaker (the actuator) and…
The effect of shaping on turbulent dynamics in RFP simulations
Robert Chahine, Kai Schneider, Wouter J. T. Bos
We study the influence of the shape of the plasma container on the dynamics of the Reversed Field Pinch (RFP). The geometries we consider are periodic cylinders with elliptical and…
From molecular to multi-asperity contacts: how roughness bridges the friction scale gap
Lucas Frérot, Alexia Crespo, Jaafar A. El-Awady +3
While friction stems from the fundamental interactions between atoms at a contact interface, its best descriptions at the macroscopic scale remain phenomenological. The so called "…
Topological Lasing from Thouless Pumping in Bilayer Photonic Crystal
D. -H. -Minh Nguyen, Dung Xuan Nguyen, Hai-Chau Nguyen +5
Topological lasing leverages concepts from topological physics to achieve single-mode light amplification within topological bandgaps, offering robustness against fabrication imper…
Realization of room temperature polaritonic vortex in momentum space with hybrid Perovskite metasurface
Nguyen Ha My Dang, Simone Zanotti, Céline Chevalier +9
Exciton-polaritons are mixed light-matter excitations that result from the strong coupling regime between an active excitonic material and photonic resonances. Harnessing these hyb…