[HTML][HTML] The influence of material and process parameters on powder spreading in additive manufacturing

MY Shaheen, AR Thornton, S Luding, T Weinhart - Powder technology, 2021 - Elsevier
Additive manufacturing (AM) or 3D printing is beginning to mature from a rapid prototyping to
an industrial production technology. However, there are still a lot of fundamental questions …

[HTML][HTML] Fast, flexible particle simulations—an introduction to MercuryDPM

T Weinhart, L Orefice, M Post… - Computer physics …, 2020 - Elsevier
We introduce the open-source package MercuryDPM, which we have been developing over
the last few years. MercuryDPM is a code for discrete particle simulations. It simulates the …

Numerical modelling of granular flows: a reality check

CRK Windows-Yule, DR Tunuguntla… - Computational particle …, 2016 - Springer
Discrete particle simulations provide a powerful tool for the advancement of our
understanding of granular media, and the development and refinement of the multitudinous …

[HTML][HTML] Coarse-grained local and objective continuum description of three-dimensional granular flows down an inclined surface

T Weinhart, R Hartkamp, AR Thornton, S Luding - Physics of fluids, 2013 - pubs.aip.org
Dry, frictional, steady-state granular flows down an inclined, rough surface are studied with
discrete particle simulations. From this exemplary flow situation, macroscopic fields …

Influence of coarse-graining parameters on the analysis of DEM simulations of silo flow

T Weinhart, C Labra, S Luding, JY Ooi - Powder technology, 2016 - Elsevier
The discrete element method (DEM) is used extensively for the simulation of granular
materials and in powder technology. Averaging or coarse graining (CG) techniques, also …

Numerical modelling and imaging of industrial-scale particulate systems: A review of contemporary challenges and solutions

KWY CR, S Benyahia, P Toson, H Che… - KONA Powder and …, 2024 - jstage.jst.go.jp
Numerical modelling offers the opportunity to better understand, predict, and optimise the
behaviours of industrial systems, and thus provides a powerful means of improving …

Disentangling the free-fall arch paradox in silo discharge

SM Rubio-Largo, A Janda, D Maza, I Zuriguel… - Physical review …, 2015 - APS
Several theoretical predictions of the mass flow rate of granular media discharged from a
silo are based on the spontaneous development of a free-fall arch region, the existence of …

Modeling of particle size segregation: calibration using the discrete particle method

A Thornton, T Weinhart, S Luding… - International journal of …, 2012 - World Scientific
Over the last 25 years a lot of work has been undertaken on constructing continuum models
for segregation of particles of different sizes. We focus on one model that is designed to …

Diffusion-based coarse graining in hybrid continuum–discrete solvers: Theoretical formulation and a priori tests

R Sun, H Xiao - International Journal of Multiphase Flow, 2015 - Elsevier
Coarse graining is an important ingredient in many multi-scale continuum–discrete solvers
such as CFD–DEM (computational fluid dynamics–discrete element method) solvers for …

Segregation in dense sheared flows: gravity, temperature gradients, and stress partitioning

KM Hill, DS Tan - Journal of Fluid Mechanics, 2014 - cambridge.org
It is well-known that in a dense, gravity-driven flow, large particles typically rise to the top
relative to smaller equal-density particles. In dense flows, this has historically been attributed …