Discrete element method to simulate continuous material by using the cohesive beam model

D André, I Iordanoff, J Charles, J Néauport - Computer methods in applied …, 2012 - Elsevier
The mechanical behavior of materials is usually simulated by the continuous mechanics
approach. However, simulation of non-continuous phenomena like multi-fracturing is not …

Using the discrete element method to simulate brittle fracture in the indentation of a silica glass with a blunt indenter

D André, M Jebahi, I Iordanoff, J Charles… - Computer Methods in …, 2013 - Elsevier
The mechanical behavior of materials is usually simulated by a continuous mechanics
approach. However, non-continuous phenomena such as multi-fracturing cannot be …

[HTML][HTML] 自启动单解显式时间积分器的研究进展及性能评估

李金泽, 刘耀坤, 于开平, 崔乃刚 - 力学进展, 2024 - lxjz.cstam.org.cn
直接时间积分法在大型非线性动力系统的数值计算中起着关键作用, 尤其是在工程仿真与设计
领域. 自启动单解显式时间积分法因其在处理复杂非线性系统时的高效性和可靠性 …

A discrete element thermo-mechanical modelling of diffuse damage induced by thermal expansion mismatch of two-phase materials

D André, B Levraut, N Tessier-Doyen… - Computer Methods in …, 2017 - Elsevier
At the macroscopic scale, brittle media such as rocks, concretes or ceramics can be seen as
homogeneous continua. However, at the microscopic scale, these materials involve …

[图书][B] Discrete element method to model 3D continuous materials

M Jebahi, D André, I Terreros, I Iordanoff - 2015 - books.google.com
Complex behavior models (plasticity, cracks, visco elascticity) face some theoretical
difficulties for the determination of the behavior law at the continuous scale. When …

A novel DEM approach for modeling brittle elastic media based on distinct lattice spring model

D André, J Girardot, C Hubert - Computer Methods in Applied Mechanics …, 2019 - Elsevier
Abstract The Discrete Element Method (DEM), also known as Distinct Element Method
(DEM), is extensively used to study divided media such as granular materials. When brittle …

A high‐order accurate explicit time integration method based on cubic b‐spline interpolation and weighted residual technique for structural dynamics

W Wen, S Deng, S Duan, D Fang - International Journal for …, 2021 - Wiley Online Library
A novel explicit time integration method is proposed on the basis of cubic b‐spline
interpolation and weighted residual method. Its calculation formulation and procedure are …

Analytic laws for direct calibration of discrete element modeling of brittle elastic media using cohesive beam model

TT Nguyen, D André, M Huger - Computational Particle Mechanics, 2019 - Springer
In this study, a new methodology for the calibration of microscopic parameters for the
cohesive beam model of discrete element method (DEM) applied to elastic brittle material is …

A DEM bonded particle model compatible with stress/strain constitutive relations

D André, MA Celigueta - International Journal of Rock Mechanics and …, 2023 - Elsevier
Abstract The Discrete Element Method (DEM), also known as distinct element method, is
mainly used to study divided media such as granular materials. Moreover, DEM is also …

An identical second‐order single step explicit integration algorithm with dissipation control for structural dynamics

J Li, K Yu, X Li - International Journal for Numerical Methods in …, 2021 - Wiley Online Library
This article focuses mainly on the development of explicit integration algorithms for structural
dynamics. Some known single‐step explicit schemes are first reviewed and their algorithmic …