• Universal features of the stick-slip dynamics of an intruder moving through a confined granular medium 

    Pugnaloni, Luis; Carlevaro, Manuel; Kozlowski, Ryan; Zheng, Hu; Kondic, Lou; Socolar, Joshua E. S.; 0000-0001-5766-6514; 0000-0003-3528-7614; 0000-0002-2602-038X; 0000-0002-9606-9947; 0000-0001-6966-9851; 0000-0003-0532-7099 (2022-04-21)
    Experiments and simulations of an intruder dragged by a spring through a two-dimensional annulus of granular material exhibit robust force fluctuations. At low packing fractions (φ < φ0), the intruder clears an open ...