Granular materials, ranging from fruit to rocks to powders, can change rapidly from a static jammed state to a free-flowing state. Insight from dynamical systems theory reveals that this tendency is governed by the growth of instabilities, rather than stress on individual particles.
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Spatiotemporal chaotic unjamming and jamming in granular avalanches
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Shinbrot, T. The movable and the jammed. Nature Phys 9, 263–264 (2013). https://doi.org/10.1038/nphys2594
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DOI: https://doi.org/10.1038/nphys2594
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Spatiotemporal chaotic unjamming and jamming in granular avalanches
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