Refraction of Shear Zones in Granular Materials

@article{citeulike:2563611, abstract = {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.}, author = {Unger, Tam\'as }, citeulike-article-id = {2563611}, doi = {10.1103/PhysRevLett.98.018301}, journal = {Physical Review Letters}, keywords = {2007, cool, grain, journalclub, shear}, number = {1}, posted-at = {2008-03-19 17:29:04}, priority = {2}, publisher = {APS}, title = {Refraction of Shear Zones in Granular Materials}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000098000001018301000001\&idtype=cvips\&gifs=yes}, volume = {98}, year = {2007} }

TY - JOUR ID - citeulike:2563611 L3 - citeulike-article-id:2563611 TI - Refraction of Shear Zones in Granular Materials JF - Physical Review Letters VL - 98 IS - 1 PB - APS N2 - 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. KW - 2007 KW - cool KW - grain KW - journalclub KW - shear AU - Unger, Tam\'as PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000098000001018301000001&idtype=cvips&gifs=yes ER -