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Granular Matter
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Abstract
While granular media were originally thought to be as the natural realization of self-organized criticality, it was soon realized that real sandpiles do not behave in the same way as sandpile models suggest. Instead of a power law distribution of avalanches, one observes a prevalence of system spanning events. This is due to the inertia of the grains. This can be reduced by using elongated grains (such as rice). The avalanches in the ricepiles closely follow the behavior observed in sandpile models. Avalanches are also found in granular media under shear, where, due to the complex grain arrangement and load transfer, one observes an intricate stick-slip behavior.
Title: Granular Matter
Description:
Abstract
While granular media were originally thought to be as the natural realization of self-organized criticality, it was soon realized that real sandpiles do not behave in the same way as sandpile models suggest.
Instead of a power law distribution of avalanches, one observes a prevalence of system spanning events.
This is due to the inertia of the grains.
This can be reduced by using elongated grains (such as rice).
The avalanches in the ricepiles closely follow the behavior observed in sandpile models.
Avalanches are also found in granular media under shear, where, due to the complex grain arrangement and load transfer, one observes an intricate stick-slip behavior.
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