Micro-deformation mechanism of granular materials under different boundary conditions based on DEM simulation

被引：0
|
作者：
Tong, Zhaoxia [1 ]
Zhou, Min [1 ]
Yao, Yangping [1 ]
机构：
[1] Beihang Univ, Sch Transportat Sci & Engn, Beijing, Peoples R China
来源：
PROGRESS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 170-173卷
关键词：
Boundary condition; Micromechanics; Discrete element method (DEM); Granular material; DISCRETE ELEMENT;
D O I：
10.4028/www.scientific.net/AMM.170-173.3361
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
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.
引用
收藏
页码：3361 / 3366
页数：6
相关论文
共 50 条
  • [41] Degradation mechanism and assessment for different cathode based commercial pouch cells under different pressure boundary conditions
    Chen, Kaixin
    Xu, Yahui
    Wu, Hang
    Zhu, Jiangong
    Wang, Xueyuan
    Chen, Siqi
    Wei, Xuezhe
    Dai, Haifeng
    ENERGY STORAGE MATERIALS, 2024, 73
  • [42] Macro-micro numerical analysis of granular materials considering principal stress rotation based on DEM simulation of dynamic hollow cylinder test
    Cui, Xinzhuang
    Li, Xiangyang
    Du, Yefeng
    Bao, Zhenhao
    Zhang, Xiaoning
    Hao, Jianwen
    Hu, Yangyu
    CONSTRUCTION AND BUILDING MATERIALS, 2024, 412
  • [43] The influence of the fluctuation of micro-polar boundary conditions on the evolution of shear strain localization in granular materials
    Bauer, Erich
    Tantono, Sendy-F.
    Huang, Wenxiong
    ENGINEERING PLASTICITY AND ITS APPLICATIONS FROM NANOSCALE TO MACROSCALE, PTS 1 AND 2, 2007, 340-341 : 1255 - +
  • [44] Study of shear behavior of granular materials by 3D DEM simulation of the triaxial test in the membrane boundary condition
    Wu, Kai
    Sun, Weichen
    Liu, Songyu
    Zhang, Xiang
    ADVANCED POWDER TECHNOLOGY, 2021, 32 (04) : 1145 - 1156
  • [45] Macro-Micro Mechanical Behavior of Crushable Granular Materials under Generalized Stress Conditions
    Yiming Liu
    Chenming Xu
    Guofang Xu
    Haijun Mao
    Zunqun Xiao
    KSCE Journal of Civil Engineering, 2021, 25 : 1634 - 1644
  • [46] Macro-Micro Mechanical Behavior of Crushable Granular Materials under Generalized Stress Conditions
    Liu, Yiming
    Xu, Chenming
    Xu, Guofang
    Mao, Haijun
    Xiao, Zunqun
    KSCE JOURNAL OF CIVIL ENGINEERING, 2021, 25 (05) : 1634 - 1644
  • [47] INVESTIGATIONS OF VORTEX STRUCTURES IN GRANULAR MATERIALS UNDER EARTH PRESSURE CONDITIONS BY DEM MICHAL NITKA AND JACEK TEJCHMAN
    Nitka, Michal
    Tejchman, Jacek
    PARTICLE-BASED METHODS IV-FUNDAMENTALS AND APPLICATIONS, 2015, : 507 - 518
  • [48] DEM analysis of micro-structural events within granular shear zones under passive earth pressure conditions
    Nitka, M.
    Tejchman, J.
    Kozicki, J.
    Lesniewska, D.
    GRANULAR MATTER, 2015, 17 (03) : 325 - 343
  • [49] DEM analysis of micro-structural events within granular shear zones under passive earth pressure conditions
    M. Nitka
    J. Tejchman
    J. Kozicki
    D. Leśniewska
    Granular Matter, 2015, 17 : 325 - 343
  • [50] DEM Simulation of Direct Shear: 1. Rupture Under Constant Normal Stress Boundary Conditions
    R. P. Bewick
    P. K. Kaiser
    W. F. Bawden
    N. Bahrani
    Rock Mechanics and Rock Engineering, 2014, 47 : 1647 - 1671
12345