110 citations · 586 across the 19 of their papers we have counts for
19 papers
Computing zero-group-velocity points in anisotropic elastic waveguides: Globally and locally convergent methods
Daniel A. Kiefer, Bor Plestenjak, Hauke Gravenkamp +1
Dispersion curves of elastic waveguides exhibit points where the group velocity vanishes while the wavenumber remains finite. These are the so-called zero-group-velocity (ZGV) poin…
Guided elastic waves in a highly-stretched soft plate
Alexandre Delory, Fabrice Lemoult, Antonin Eddi +1
We study the propagation of guided elastic waves in a highly-stretched Ecoflex\c{opyright} plate, a nearly incompressible elastomer. The plate is subjected to a nearly-uniaxial str…
Weight of single and recurrent scattering in the reflection matrix of complex media
Cécile Brütt, Alexandre Aubry, Benoît Gérardin +2
In a heterogeneous medium, the wavefield can be decomposed as an infinite series known as the Born expansion. Each term of the Born expansion corresponds to a scattering order, it…
Cloaking, Trapping and Superlensing of Lamb Waves with Negative Refraction
François Legrand, Benoît Gérardin, François Bruno +4
We report on experimental and numerical implementations of devices based on the negative refraction of elastic guided waves, the so-called Lamb waves. Consisting in plates of varyi…
Laser-Excited Elastic Guided Waves Reveal the Complex Mechanics of Nanoporous Silicon
Marc Thelen, Nicolas Bochud, Manuel Brinker +2
Nanoporosity in silicon leads to completely new functionalities of this mainstream semiconductor. A difficult to assess mechanics has however significantly limited its application…
Dirac cones and chiral selection of elastic waves in a soft strip
Maxime Lanoy, Fabrice Lemoult, Antonin Eddi +1
We study the propagation of in-plane elastic waves in a soft thin strip; a specific geometrical and mechanical hybrid framework which we expect to exhibit Dirac-like cone. We separ…