Pulse mitigation in ordered granular structures: from granular chains to granular networks

M Espinosa, EP Calius, A Hall, G Dodd, R Das - Nonlinear Dynamics, 2024‏ - Springer
Ordered granular structures have garnered considerable attention across various fields due
to their capacity to manipulate the transmission of mechanical energy and mitigate the …

Discrete element methods

N Bićanić - Encyclopedia of computational mechanics, 2004‏ - Wiley Online Library
Discrete element methods (DEMs) comprise different techniques suitable for a simulation of
dynamic behaviour of systems of multiple rigid, simply deformable (pseudo‐rigid), or fully …

Simulation of sintering using a Non Smooth Discrete Element Method. Application to the study of rearrangement

S Martin, M Guessasma, J Léchelle, J Fortin… - Computational Materials …, 2014‏ - Elsevier
The aim of this study is to present an original approach for the simulation of sintering with
Discrete Element Method, using a Non Smooth Method called Contact Dynamics. Recently …

[HTML][HTML] A DEM–FEM coupling based approach simulating thermomechanical behaviour of frictional bodies with interface layer

H Haddad, M Guessasma, J Fortin - International Journal of Solids and …, 2016‏ - Elsevier
The behavior of granular flow during a sliding contact is difficult to predict. As observed in
the literature, the most commonly used tools for simulating sheared granular flows are the …

Contact analysis for solids based on linearly conforming radial point interpolation method

Y Li, GR Liu, KY Dai, MT Luan, ZH Zhong, GY Li… - Computational …, 2007‏ - Springer
To simulate the contact nonlinearity in 2D solid problems, a contact analysis approach is
formulated using incremental form of the subdomain parametric variational principle (SPVP) …

Existence and construction of bipotentials for graphs of multivalued laws

M Buliga, G de Saxcé, C Vallée - arxiv preprint math/0608424, 2006‏ - arxiv.org
This is a first paper in convex analysis dedicated to the bipotential theory, based on an
extension of Fenchel's inequality. Introduced by the second author, bipotentials lead to a …

A semi-smooth Newton and Primal–Dual Active Set method for Non-Smooth Contact Dynamics

S Abide, M Barboteu, S Cherkaoui, S Dumont - Computer Methods in …, 2021‏ - Elsevier
Multi-rigid-body dynamic contact systems, in other words Non Smooth Contact Dynamics
(NSCD) problems, generate some inherent difficulties to multivocal laws, which results in …

Study of the sintering kinetics of bimodal powders. A parametric DEM study

S Martin, R Parekh, M Guessasma, J Léchelle… - Powder Technology, 2015‏ - Elsevier
This paper presents a DEM study of the sintering of bimodal powders. The influence of every
type of contact between small–small, large–large and small–large particles on the …

Bipotentials for non-monotone multivalued operators: fundamental results and applications

M Buliga, G de Saxcé, C Vallée - Acta Applicandae Mathematicae, 2010‏ - Springer
This is a survey of recent results about bipotentials representing multivalued operators. The
notion of bipotential is based on an extension of Fenchel's inequality, with several …

Non maximal cyclically monotone graphs and construction of a bipotential for the Coulomb's dry friction law

M Buliga, G de Saxcé, C Vallée - arxiv preprint arxiv:0802.1140, 2008‏ - arxiv.org
We show a surprising connexion between a property of the inf convolution of a family of
convex lower semicontinuous functions and the fact that the intersection of maximal …