PMID: 22587088May 17, 2012Paper

Force chains and contact network topology in sheared packings of elongated particles

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Emilien Azéma, Farhang Radjaï

Abstract

By means of contact dynamic simulations, we investigate the contact network topology and force chains in two-dimensional packings of elongated particles subjected to biaxial shearing. The morphology of large packings of elongated particles in quasistatic equilibrium is complex due to the combined effects of local nematic ordering of the particles and orientations of contacts between particles. The effect of elongation on shear behavior and dilatancy was investigated in detail in a previous paper [Azéma and Radjai, Phys. Rev. E 81, 051304 (2010)]. Here, we show how particle elongation affects force distributions and force-fabric anisotropy via various local structures allowed by steric exclusions and the requirement of force balance. We find that the force distributions become increasingly broader as particles become more elongated. Interestingly, the weak force network transforms from a passive stabilizing agent with respect to strong force chains to an active force-transmitting network for the whole system. The strongest force chains are carried by side-side contacts oriented along the principal stress direction.

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Citations

Jan 20, 2018·Physical Review. E·Dániel B NagyEllák Somfai
Nov 22, 2014·The European Physical Journal. E, Soft Matter·Mauricio BotonFarhang Radjaï
Dec 12, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Emilien AzémaFarhang Radjaï
Oct 4, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Juan Carlos QuezadaFarhang Radjai
Jan 5, 2018·The European Physical Journal. E, Soft Matter·Émilien AzémaJean-Noël Roux
Feb 17, 2018·Physical Review. E·Theodore Marschall, S Teitel
Feb 14, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Émilien AzémaJean-Noël Roux
Mar 15, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Duc-Hanh NguyenFarhang Radjai
Apr 13, 2018·The European Physical Journal. E, Soft Matter·Duc-Hanh NguyenFarhang Radjaï
Nov 15, 2016·Physical Review. E·Emilien AzémaFarhang Radjai
Sep 19, 2020·Physical Review. E·Nikolai I LebovkaYuri Yu Tarasevich
Apr 15, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Duc-Hanh NguyenFarhang Radjai
Jul 16, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Emilien AzémaFrédéric Dubois
May 16, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Ning Guo, Jidong Zhao
Oct 4, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Emilien AzémaFrançois Chevoir
Aug 15, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Duc-Hanh NguyenPhilippe Sornay
Dec 12, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Tamás BörzsönyiRalf Stannarius
Jun 19, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Emilien AzémaPhilippe Sornay
Feb 16, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·M AcevedoI Pagonabarraga
Aug 16, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Sirio Orozco-Fuentes, Denis Boyer
Apr 18, 2021·Physical Review. E·Ming YangFarhang Radjaï
Jul 25, 2021·Sensors·Sathwik S Kasyap, Kostas Senetakis
Aug 25, 2021·Proceedings of the National Academy of Sciences of the United States of America·Robert Buarque de MacedoJosé E Andrade
Aug 10, 2021·Journal of Physics. Condensed Matter : an Institute of Physics Journal·M HossainA B Yu
Nov 3, 2021·Soft Matter·Ryan KozlowskiJoshua E S Socolar

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