Influence of polydispersity on micromechanics of granular materials

Reza Shaebani, M. and Madadi, M. and Luding, S. and Wolf de, I. (2012) Influence of polydispersity on micromechanics of granular materials. Physical review E Statistical, nonlinear, and soft matter physics, 85 (1). 011301. ISSN 1539-3755

Preview

PDF
547Kb

Abstract:	We study the effect of polydispersity on the macroscopic physical properties of granular packings in two and three dimensions. A mean-field approach is developed to approximate the macroscale quantities as functions of the microscopic ones. We show that the trace of the fabric and stress tensors are proportional to the mean packing properties (e.g., packing fraction, average coordination number, and average normal force) and dimensionless correction factors, which depend only on the moments of the particle-size distribution. Similar results are obtained for the elements of the stiffness tensor of isotropic packings in the linear affine response regime. Our theoretical predictions are in good agreement with the simulation results.
Item Type:	Article
Copyright:	© 2012 American Physical Society
Faculty:	Engineering Technology (CTW)
Research Group:	Multi Scale Mechanics (MSM)
Link to this item:	http://purl.utwente.nl/publications/80402
Official URL:	http://dx.doi.org/10.1103/PhysRevE.85.011301
Export this item as:	BibTeX EndNote HTML Citation Reference Manager

Show download statistics for this publication

Repository Staff Only: item control page

Metis ID: 294105