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21 papers · 1 filter
Droplet impact on a thin liquid film: anatomy of the splash
Christophe Josserand, Pascal Ray, Stéphane Zaleski
We investigate the dynamics of drop impact on a thin liquid film at short times in order to identify the mechanisms of splashing formation. Using numerical simulations and scaling…
Fluctuations of entropy production in turbulent thermal convection
Francesco Zonta, Sergio Chibbaro
We report on a numerical experiment performed to analyze fluctuations of the entropy production in turbulent thermal convection, a physical configuration that represents here a pro…
Elastic wave-turbulence and intermittency
Sergio Chibbaro, Christophe Josserand
Weak Wave Turbulence is a powerful theory to predict statistical observables of diverse relevant physical phenomena, such as ocean waves, magnetohydrodynamics and nonlinear optics.…
On the front shape of an inertial granular flow down a rough incline
G Saingier, S Deboeuf, P. -Y Lagrée
Granular material flowing on complex topographies are ubiquitous in industrial and geophysical situations. In this paper, we study the small-scale model of a granular layer flowing…
Lattice fractional Laplacian and its continuum limit kernel on the finite cyclic chain
Thomas Michelitsch, Bernard Collet, Andrzej Nowakowski +1
The aim of this paper is to deduce a discrete version of the fractional Laplacian in matrix form defined on the 1D periodic (cyclically closed) linear chain of finite length.We obt…
It's harder to splash on soft solids
Christopher J. Howland, Arnaud Antkowiak, J. Rafael Castrejón-Pita +4
Droplets splash when they impact dry, flat substrates above a critical velocity that depends on parameters such as droplet size, viscosity and air pressure. By imaging ethanol drop…