Identifying structure during shear jamming (INVITED)

Abstract eng:
There has been much recent interest in how granular materials jam, i.e. become mechanically stable. Recently, we have have shown that systems of frictional grains exhibit jamming phenomena that differ from the frictionless case[1, 2, 3]. In particular, a system of frictional particles can be sheared from a stress free state to produce a jammed state. Here, we consider the nature of shear jamming for frictional particles. We then consider the micromechanical processes that are involved, and why these processes should be different for the frictionless and frictional cases.

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