DEM Simulation on Dilatancy Phenomenon of Confined Granular Assembly under Shearing in Parallel Interface

Wei Wang; Zhan Qi Tang; Wei Gu; Kun Liu

doi:10.4028/www.scientific.net/AMM.321-324.282

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 321-324DEM Simulation on Dilatancy Phenomenon of Confined...

DEM Simulation on Dilatancy Phenomenon of Confined Granular Assembly under Shearing in Parallel Interface

Abstract:

In order to study the dilatancy phenomenon of confined granular assembly under shearing in parallel interface, a parallel-panel shear model is constructed by discrete element method (DEM) in this paper. While the relative motion happens between the upper and lower panels, the panel and particles displacement are monitored. The expansion of upper plate and the change of particles force chain are shown. The results show that: the internal particle system keeps repeating the dilatancy and compression process, and the relationship between shear dilatancy phenomenon and force chain structure is close.

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Periodical:

Applied Mechanics and Materials (Volumes 321-324)

Pages:

282-285

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.321-324.282

Citation:

Cite this paper

Online since:

June 2013

Authors:

Wei Wang, Zhan Qi Tang, Wei Gu, Kun Liu

Keywords:

Force Chain, Grain Flow, Parallel Panel Shear, Shear Dilatancy

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