61 citations · 115 across the 8 of their papers we have counts for
5 papers · 1 filter
Shear-wave-induced softening and simultaneous compaction in dense granular media through acoustic lubrication at flow heterogeneities
Charles K. C. Lieou, Jerome Laurent, Paul A. Johnson +1
We report the simultaneous softening and compaction of a confined dense granular pack in acoustic resonance experiments. Elastic softening is manifested by a reduction of the shear…
Ultrasonic tracking of a sinking ball in a vibrated dense granular suspension
S. van den Wildenberg, X. Jia, J. Léopoldès +1
Observing and understanding the movement of an intruder through opaque dense suspensions such as quicksand remains a practical and conceptual challenge. Here we use an ultrasonic p…
Drastic slowdown of shear waves in unjammed granular suspensions
J. Brum, J. -L. Gennisson, M. Fink +2
We present an experimental investigation of shear elastic wave propagation along the surface of a dense granular suspension. Using an ultrafast ultrasound scanner, we monitor the s…
Time reversal of ultrasound in granular media
Maxime Harazi, Yougu Yang, Mathias Fink +2
Time reversal (TR) focusing of ultrasound in granular packings is experimentally investigated. Pulsed elastic waves transmitted from a compressional or shear transducer source are…
Anisotropic nonlinear elasticity in a spherical bead pack: influence of the fabric anisotropy
Yacine Khidas, Xiaoping Jia
Stress-strain measurements and ultrasound propagation experiments in glass bead packs have been simultaneously conducted to characterize the stress-induced anisotropy under uniaxia…