
pmid: 17358510
arXiv: cond-mat/0610083
We study strain localization in slow shear flow focusing on layered granular materials. A heretofore unknown effect is presented here. We show that shear zones are refracted at material interfaces in analogy with refraction of light beams in optics. This phenomenon can be obtained as a consequence of a recent variational model of shear zones. The predictions of the model are tested and confirmed by 3D discrete element simulations. We found that shear zones follow Snell's law of light refraction.
4 pages, 3 figures, minor changes, jounal ref. added
Optics and Photonics, Models, Statistical, Friction, Light, Biomedical Engineering, Biophysics, FOS: Physical sciences, Condensed Matter - Soft Condensed Matter, Imaging, Three-Dimensional, Materials Testing, Soft Condensed Matter (cond-mat.soft), Computer Simulation, Gravitation
Optics and Photonics, Models, Statistical, Friction, Light, Biomedical Engineering, Biophysics, FOS: Physical sciences, Condensed Matter - Soft Condensed Matter, Imaging, Three-Dimensional, Materials Testing, Soft Condensed Matter (cond-mat.soft), Computer Simulation, Gravitation
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