Zobrazeno 1 - 10
of 937
pro vyhledávání: '"Moisy , P."'
We investigate the slow, second order motion of thin flexible floating strips drifting in surface gravity waves. We introduce a diffractionless model (Froude-Krylov approximation) that neglects viscosity, surface tension, and radiation effects. This
Externí odkaz:
http://arxiv.org/abs/2410.07004
Elongated floaters drifting in propagating water waves slowly rotate towards a preferential state of orientation. Short and heavy floaters tend to align longitudinally, along the direction of wave propagation, whereas long and light floaters align tr
Externí odkaz:
http://arxiv.org/abs/2401.03254
Publikováno v:
Phys. Rev. Fluids 8, 104801 (2023)
Experimental and theoretical studies on wind-wave generation have focused primarily on the air-water interface, where viscous effects are small. Here we characterize the influence of the liquid viscosity on the growth of mechanically generated waves.
Externí odkaz:
http://arxiv.org/abs/2307.12367
Publikováno v:
Phys Rev E 107, 044607 (2023)
Clustering passive particles by active agents is a promising route for fabrication of colloidal structures. Here, we report the dynamic clustering of micrometric beads in a suspension of motile bacteria. We characterize the coarsening dynamics for va
Externí odkaz:
http://arxiv.org/abs/2302.09010
Autor:
Romain Fernandez, Loïc Le Cunff, Samuel Mérigeaud, Jean-Luc Verdeil, Julie Perry, Philippe Larignon, Anne-Sophie Spilmont, Philippe Chatelet, Maïda Cardoso, Christophe Goze-Bac, Cédric Moisy
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Quantifying healthy and degraded inner tissues in plants is of great interest in agronomy, for example, to assess plant health and quality and monitor physiological traits or diseases. However, detecting functional and degraded plant tissues
Externí odkaz:
https://doaj.org/article/fc7fc4933a514b279e0a6354b592157d
Publikováno v:
Phys Rev E 106, 034404 (2022)
Aerotaxis is the ability of motile cells to navigate toward oxygen. A key question is the dependence of the aerotactic velocity with the local oxygen concentration c. Here we combine simultaneous bacteria tracking and local oxygen concentration measu
Externí odkaz:
http://arxiv.org/abs/2203.04656
Publikováno v:
Phys Rev Fluids 7, 014003 (2022)
Viscous solitons are strongly non-linear surface deformations generated by blowing wind over a liquid beyond a critical viscosity. Their shape and dynamics result from a balance between wind drag, surface tension and viscous dissipation in the liquid
Externí odkaz:
http://arxiv.org/abs/2110.08786
In order to help physicists to expand their knowledge of the climate in the Lesser Antilles, we aim to identify the spatio-temporal configurations using clustering analysis on wind speed and cumulative rainfall datasets. But we show that using the L2
Externí odkaz:
http://arxiv.org/abs/2006.05603
Publikováno v:
Materialia, Elsevier, 2020, 9, pp.100633
The early stage of the reactive interdiffusion in the Cu-Al system was investigated at 350 {\textdegree}C and 300 {\textdegree}C thanks to in-situ transmission electron microscopy. A special care was given to find conditions where the electron beam a
Externí odkaz:
http://arxiv.org/abs/2005.03302
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