Evolution of Internal Granular Structure at the Flow-Arrest Transition

19 May 2020 Srivastava Ishan Lechman Jeremy B. Grest Gary S. Silbert Leonardo E.

The evolution of the internal granular structure in shear-arrested and shear-flowing states of granular materials is characterized using fabric tensors as descriptors of the internal contact and force networks. When a dilute system of frictional grains is subjected to a constant pressure and shear stress, the bulk stress ratio is well-predicted from the anisotropy of its contact and force networks during transient flow prior to steady shear flow or shear arrest... (read more)

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