Investigation of Grain Size Effects on Micro/Macro-Mechanical Properties of Intact Rock Using Voronoi Element—Discrete Element Method Approach

2013 ◽  
Vol 31 (5) ◽  
pp. 507-514 ◽  
Author(s):  
Siavash Norouzi ◽  
Alireza Baghbanan ◽  
Alireza Khani
2015 ◽  
Vol 59 (4) ◽  
pp. 575-582 ◽  
Author(s):  
Kornél Tamás ◽  
Bernát Földesi ◽  
János Péter Rádics ◽  
István J. Jóri ◽  
László Fenyvesi

2018 ◽  
Vol 157 ◽  
pp. 02014
Author(s):  
Pawel Chodkiewicz ◽  
Jakub Lengiewicz ◽  
Robert Zalewski

In this paper, we present a novel approach to modeling and analysis of Vacuum Packed Particle dampers (VPP dampers) with the use of Discrete Element Method (DEM). VPP dampers are composed of loose granular medium encapsulated in a hermetic envelope, with controlled pressure inside the envelope. By changing the level of underpressure inside the envelope, one can control mechanical properties of the system. The main novelty of the DEM model proposed in this paper is the method to treat special (pressure) boundary conditions at the envelope. The model has been implemented within the open-source Yade DEM software. Preliminary results are presented and discussed in the paper. The qualitative agreement with experimental results has been achieved.


2005 ◽  
Vol 60 (15) ◽  
pp. 4083-4091 ◽  
Author(s):  
G.J. Finnie ◽  
N.P. Kruyt ◽  
M. Ye ◽  
C. Zeilstra ◽  
J.A.M. Kuipers

2020 ◽  
Vol 40 (2) ◽  
pp. 391-400 ◽  
Author(s):  
Yun Chen ◽  
Huihua Ye ◽  
Xusheng Wang ◽  
Yanxia Li ◽  
Xi Yao

2013 ◽  
Vol 353-356 ◽  
pp. 802-805
Author(s):  
Jian Qing Jiang

Red-sandstone granular soil reinforced with gabion-mesh is a new concept of composite reinforced soil. In order to reveal the mechanical properties of this composite reinforced soil, a series of laboratory triaxial compression tests on specimens reinforced with gabion-mesh were carried out, and 3D discrete element method was introduced to simulate the triaxial tests. The macro stress-strain relation of red-sandstone specimens reinforced with gabion-mesh was reproduced by the 3D discrete element model. The results show that 3D discrete element method is an ideal technique to study the meso-mechanical nature characteristics of gabion-mesh reinforced red-sandstone granular soil.


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