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A class of particulate problems suited to FDEM requiring accurate simulation of shape effects in packed granular structures
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A-class-of-particulate-problems-suited-to-FDEM.pdf | Published version | 3.55 MB | Adobe PDF | View/Open |
Title: | A class of particulate problems suited to FDEM requiring accurate simulation of shape effects in packed granular structures |
Authors: | Latham, J-P Xiang, J Farsi, A Joulin, C Karantzoulis, N |
Item Type: | Journal Article |
Abstract: | In many granular material simulation applications, DEM capability is focused on the dynamic solid particulate flow properties and on systems in which millions of particles are involved. The time of relevance is many seconds or even minutes of real time. Simplifying assumptions are made to achieve run completion in practical timescales. There are certain applications, typically involving manufactured particles, where a representative pack is of the order of a thousand particles. More accurate capturing of the influence of complex shape is then often possible. Higher accuracies are necessary to model the topology of the void space, for example, for further CFD simulation and optimisation of fluid flow properties. Alternatively, the accuracy may be critical for structural performance and the force or stress transmission through the contact points is to be controlled to avoid material damage and poor function. This paper briefly summarises methods for simulation of shape effects on packing structures in the granular community and narrows the scope to problems where shape effects are of overriding concern. Two applications of mono-sized, mono-shaped packing problems are highlighted: catalyst support pellets in gas reforming and concrete armour units in breakwater structures. The clear advantages of FDEM for complex-shaped particle interactions in packed systems with relatively few particles are discussed. A class of particulate problems, ‘FDEM-suited’ problems, ones that are ideal to be solved by FDEM rather than by DEM, is proposed for science and engineering use. |
Issue Date: | 1-Oct-2020 |
Date of Acceptance: | 14-Oct-2019 |
URI: | http://hdl.handle.net/10044/1/75135 |
DOI: | 10.1007/s40571-019-00294-5 |
ISSN: | 2196-4378 |
Publisher: | Springer Science and Business Media LLC |
Start Page: | 975 |
End Page: | 986 |
Journal / Book Title: | Computational Particle Mechanics |
Volume: | 7 |
Copyright Statement: | © 2019 The Authors. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativeco mmons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. |
Sponsor/Funder: | Engineering & Physical Science Research Council (EPSRC) Concrete Layer Innovations Technological Resources PTY Ltd Artelia Eau Environnment Exxon Mobil Upstream Research Company Engineering & Physical Science Research Council (EPSRC) Engineering & Physical Science Research Council (E Natural Environment Research Council (NERC) Johnson Matthey plc Commission of the European Communities European Commission Engineering & Physical Science Research Council (E Institution of Civil Engineers Johnson Matthey |
Funder's Grant Number: | GR/S42699/01 CLI/AKA/587 N/A N/A itf-ISF-3 EP/H030123/1 EP/K503733/1 NE/L000660/1 12220379 654662 654662 EP/R511547/1 1604 |
Keywords: | Science & Technology Physical Sciences Technology Mathematics, Interdisciplinary Applications Mechanics Mathematics FDEM Numerical simulation Particle packing Catalyst pellets Concrete armour units Concave shape Non-spherical shape 3-DIMENSIONAL FRACTURE MODEL THEORETICAL DEVELOPMENTS NUMERICAL-SIMULATION PARTICLE-SYSTEMS DISCRETE PACKING ALGORITHM DEM REPRESENTATION DYNAMICS |
Publication Status: | Published |
Open Access location: | http://link.springer.com/article/10.1007/s40571-019-00294-5 |
Online Publication Date: | 2019-11-23 |
Appears in Collections: | Earth Science and Engineering Faculty of Engineering |
This item is licensed under a Creative Commons License