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1. Micro-deformation mechanism of granular materials under different boundary conditions based on DEM simulation | |||
TONG Zhaoxia,ZHOU Min,YAO Yangping | |||
Civil and Architectural Engineering 22 February 2012 | |||
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Abstract:Series of biaxial compression simulations are carried out to investigate the effects of boundary condition on the deformation of granular materials by using DEM. The parameters used in DEM are validated by the biaxial compression experiments on elliptical steel bars. The effects of boundary condition on the stress-strain relationship are analyzed. And special focus are put in the analysis of particle displacement, particle rotation, void distribution, particle long axis orientation and contact force with the development of deformation. | |||
TO cite this article:TONG Zhaoxia,ZHOU Min,YAO Yangping. Micro-deformation mechanism of granular materials under different boundary conditions based on DEM simulation[OL].[22 February 2012] http://en.paper.edu.cn/en_releasepaper/content/4467605 |
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