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Comparison of low amplitude oscillatory shear in experimental and computational studies of model foams
Micah Lundberg, Kapilanjan Krishan, Ning Xu +2
A fundamental difference between fluids and solids is their response to applied shear. Solids possess static shear moduli, while fluids do not. Complex fluids such as foams display…
The jamming transition and new percolation universality classes in particulate systems with attraction
Gregg Lois, Jerzy Blawzdziewicz, Corey S. O'Hern
We numerically study the jamming transition in particulate systems with attraction by investigating their mechanical response at zero temperature. We find three regimes of mechanic…
Measurements of the Yield Stress in Frictionless Granular Systems
Ning Xu, Corey S. O'Hern
We perform extensive molecular dynamics simulations of 2D frictionless granular materials to determine whether these systems can be characterized by a single static yield shear str…
Reply to "Comment on `Jamming at zero temperature and zero applied stress: The epitome of disorder' "
C. S. O'Hern, L. E. Silbert, A. J. Liu +1
We answer the questions raised by Donev, Torquato, Stillinger, and Connelly in their "Comment on "Jamming at zero temperature and zero applied stress: The epitome of disorder.' " W…
Stabilization of nonlinear velocity profiles in athermal systems undergoing planar shear flow
Ning Xu, Corey S. O'Hern, Lou Kondic
We perform molecular dynamics simulations of model granular systems undergoing boundary-driven planar shear flow in two spatial dimensions with the goal of developing a more comple…
Effective Temperatures in Athermal Systems Sheared at Fixed Normal Load
Ning Xu, Corey S. O'Hern
We perform molecular dynamics simulations of repulsive athermal systems sheared at fixed normal load to study the effective temperature defined from time-dependent fluctuatio…