| Issue |
EPJ Web Conf.
Volume 140, 2017
Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|
|
|---|---|---|
| Article Number | 01004 | |
| Number of page(s) | 7 | |
| Section | Review papers | |
| DOI | https://doi.org/10.1051/epjconf/201714001004 | |
| Published online | 30 June 2017 | |
https://doi.org/10.1051/epjconf/201714001004
Dense, collisional, shearing flows of compliant spheres
1 School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
2 Department of Civil and Environmental Engineering, Politecnico di Milano, 20133 Milano, Italy
* Corresponding author: jtj2@cornell.edu
Published online: 30 June 2017
We outline the development of theory to describe, dense, collisional shearing flows of identical compliant spheres. We begin with two simple theories: one for rigid, nearly elastic spheres that interact through instantaneous, binary collisions; the other for compliant spheres that interact through multiple, enduring contacts. We then join the two extremes by adding compliance to the collisions and collisions to the spheres in enduring contact. Finally, we compare the predictions of the resulting theory with the results of discrete numerical simulations of steady, homogeneous shearing of compliant frictional spheres.
© The Authors, published by EDP Sciences, 2017
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