Gupta, A. and Ness, C. and Haeri, S. (2025) Alignment and anisotropy of stresses in disordered granular media. Physical Review E, 112.
Full text not available from this repository.Abstract
Characterizing the degeneracy of local stress states is a central challenge in obtaining the complete statistical mechanics of disordered media. Here, we introduce a minimal force-balance model for isolated granular clusters to probe the structure of the stress space through principal stress orientation and stress anisotropy. We further show that when complemented by physically motivated pairwise constraints, the model produces predictions for the stress alignment in packings of repulsive hard spheres. We compare these predictions against simulation data for grains in hopper and simple shear flows, finding qualitative agreement. This demonstrates the promise of modeling bulk athermal disordered systems through the combinatorics of few primitive geometric motifs.
| Item Type: | Article |
|---|---|
| Additional Information: | Open Access |
| Uncontrolled Keywords: | Granular flows; Granular packing; Jamming; Nonequilibrium statistical mechanics; Rheology |
| Subjects: | Maritime > General |
| Depositing User: | Helen Stevenson |
| Date Deposited: | 25 Nov 2025 09:04 |
| Last Modified: | 25 Nov 2025 09:04 |
| URI: | http://eprints.hrwallingford.com/id/eprint/1708 |
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