D'Anna, Gianfranco; Mayor, Patrick - In: Physica A: Statistical Mechanics and its Applications 325 (2003) 1, pp. 267-273
We report an experiment where a torsion oscillator is forced to penetrate a granular system over a small distance as, and the angular deflection is continuously detected. From angular deflections time series we deduce the granular noise and obtain insights on the grain-level mechanisms. In...