Shear Jamming and Fragility of Suspensions in a Continuum Model with Elastic Constraints Article Swipe
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Jamming
Shear (geology)
Traction (geology)
Fragility
Mechanics
Phenomenology (philosophy)
Shear flow
Classical mechanics
Dilatant
Suspension (topology)
Physics
Materials science
Composite material
Condensed matter physics
Thermodynamics
Mechanical engineering
Mathematics
Engineering
Pure mathematics
Epistemology
Philosophy
Homotopy
Giulio G. Giusteri
,
Ryohei Seto
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1103/physrevlett.127.138001
· OA: W3128563004
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1103/physrevlett.127.138001
· OA: W3128563004
Under an applied traction, highly concentrated suspensions of solid particles in fluids can turn from a state in which they flow to a state in which they counteract the traction as an elastic solid: a shear-jammed state. Remarkably, the suspension can turn back to the flowing state simply by inverting the traction. A tensorial model is presented and tested in paradigmatic cases. We show that, to reproduce the phenomenology of shear jamming in generic geometries, it is necessary to link this effect to the elastic response supported by the suspension microstructure rather than to a divergence of the viscosity.
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