Shear jamming and fragility in dense suspensions
Soft Condensed Matter
2021-07-08 v2 Statistical Mechanics
Fluid Dynamics
Abstract
The phenomenon of shear-induced jamming is a factor in the complex rheological behavior of dense suspensions. Such shear-jammed states are fragile, i.e., they are not stable against applied stresses that are incompatible with the stress imposed to create them. This peculiar flow-history dependence of the stress response is due to flow-induced microstructures. To examine jammed states realized under constant shear stress, we perform dynamic simulations of non-Brownian particles with frictional contact forces and hydrodynamic lubrication forces. We find clear signatures that distinguish these fragile states from the more conventional isotropic jammed states.
Cite
@article{arxiv.1902.04361,
title = {Shear jamming and fragility in dense suspensions},
author = {Ryohei Seto and Abhinendra Singh and Bulbul Chakraborty and Morton M. Denn and Jeffrey F. Morris},
journal= {arXiv preprint arXiv:1902.04361},
year = {2021}
}
Comments
Supplementary Material: https://youtu.be/v5LKX8bpP-w