Numerical simulations of undrained granular media

RR Olivera Bonilla - 2004 - uwspace.uwaterloo.ca
The objective of the present study was to develop a fluid flow-coupled distinct element
model capable of capturing the undrained behaviour of granular soils by considering …

A study on tangential force laws applicable to the discrete element method (DEM) for materials with viscoelastic or plastic behavior

H Kruggel-Emden, S Wirtz, V Scherer - Chemical Engineering Science, 2008 - Elsevier
The discrete element method is a widely used particle orientated simulation approach for
modeling granular systems. It is based on tracking each particle's movement and its …

[HTML][HTML] Influence of particle shape on the microstructure evolution and the mechanical properties of granular materials

J Tian, E Liu, L Jiang, X Jiang, Y Sun, R Xu - Comptes Rendus Mécanique, 2018 - Elsevier
In order to study the influence of particle shape on the microstructure evolution and the
mechanical properties of granular materials, a two-dimensional DEM analysis of samples …

Anisotropy of elasticity and fabric of granular soils

X Gu, J Hu, M Huang - Granular Matter, 2017 - Springer
Anisotropy of elasticity is a very important feature of granular soils. In this paper, numerical
experiments using discrete element method were performed to emulate drained triaxial tests …

Effects of soil fabric on behaviors of granular soils: Microscopic modeling

S Yimsiri, K Soga - Computers and Geotechnics, 2011 - Elsevier
The effects of initial soil fabric on behaviors of granular soils are investigated by using
Distinct Element Method (DEM) numerical simulation. Soil specimens are represented by an …

Three-dimensional DEM investigation of critical state and dilatancy behaviors of granular materials

W Zhou, J Liu, G Ma, X Chang - Acta Geotechnica, 2017 - Springer
The critical state is significant to the mechanical behaviors of granular materials and the
foundation of the constitutive relations. Using the discrete element method (DEM), the …

DEM investigation on the effect of sample preparation on the shear behavior of granular soil

B Dai, J Yang, C Zhou, X Luo - Particuology, 2016 - Elsevier
The effect of initial fabric anisotropy produced by sample preparation on the shear behavior
of granular soil is investigated by performing discrete element method (DEM) simulations of …

Discrete element analysis of the response of granular materials during cyclic loading

C O'SULLIVAN, L Cui, SC O'NEILL - Soils and Foundations, 2008 - jstage.jst.go.jp
Soil can experience cyclic or repeated loadings in a range of situations and prediction of
cyclic soil response is obviously important to geotechnical engineers. The particulate nature …

Discrete-element method for simulating behavior of cohesive soil

A Anandarajah - Journal of Geotechnical Engineering, 1994 - ascelibrary.org
The discrete-element method has successfully been applied in the past to study constitutive
behavior of granular materials. The method is applied in this paper to cohesive soils, where …

Discrete modelling of stress‐strain behaviour of granular media at small and large strains

R Dobry, AND Tang‐Tat Ng - Engineering computations, 1992 - emerald.com
A general overview is presented on applications of the discrete element method (DEM) to
granular media. A literature survey is performed of static and dynamic simulations using …