Influence of the size of the intruder on the reorganization of a 2D granular medium
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Influence of the size of the intruder on the reorganization of a 2D granular medium

  • Author(s): Merceron, Aymeric
  • Sauret, Alban
  • Jop, Pierre
  • et al.
Abstract

We consider the rearrangements of a vertical twodimensional granular packing induced by the withdrawal of an intruder. Here, we focus on the influence of the size of the intruder on the reorganization process. The long term evolution of the granular packing is investigated as well as the avalanche dynamics that characterize the short term rearrangements around the intruder. For small enough intruder, we observe the formation of arches that periodically destabilize and influence the reorganization dynamics of the two-dimensional packing through larger rearrangement events.

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