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A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm

Min Wang, Yuntian Feng Orcid Logo, T.M. Qu, T.T. Zhao

Powder Technology, Volume: 381, Pages: 101 - 109

Swansea University Author: Yuntian Feng Orcid Logo

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DOI (Published version): 10.1016/j.powtec.2020.11.081

Abstract

This work presents a framework of coupling polygonal discrete elements and the lattice Boltzmann method using a direct forcing immersed boundary scheme. In this technique, an energy-conserving contact algorithm is utilized to handle the interactions between convex and concave polygonal particles. Th...

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Published in: Powder Technology
ISSN: 0032-5910
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa55794
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first_indexed 2020-12-01T11:10:23Z
last_indexed 2021-01-28T04:19:40Z
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spelling 2021-01-27T12:52:24.2495693 v2 55794 2020-12-01 A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm d66794f9c1357969a5badf654f960275 0000-0002-6396-8698 Yuntian Feng Yuntian Feng true false 2020-12-01 CIVL This work presents a framework of coupling polygonal discrete elements and the lattice Boltzmann method using a direct forcing immersed boundary scheme. In this technique, an energy-conserving contact algorithm is utilized to handle the interactions between convex and concave polygonal particles. The surface of a polygon is represented by discrete boundary points which includes vertices of polygonal particles and/or points interpolated from vertices. The fluid-particle coupling is obtained through the interactions of the boundary points and the imaginary fluid particles using a direct-forcing immersed boundary method. Validations of the proposed technique are made by single particle and multiple arbitrarily-shaped particle sedimentation tests, and the effect of particle shape is illustrated using a drafting-kissing-tumbling benchmark. Journal Article Powder Technology 381 101 109 Elsevier BV 0032-5910 Concave polygonal particle, Discrete element method, Lattice Boltzmann method, Immersed boundary method, Multiphase flow 1 3 2021 2021-03-01 10.1016/j.powtec.2020.11.081 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2021-01-27T12:52:24.2495693 2020-12-01T10:52:58.0152588 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Min Wang 1 Yuntian Feng 0000-0002-6396-8698 2 T.M. Qu 3 T.T. Zhao 4 55794__18781__447865e86c3e413898da3bffcc5541b6.pdf 55794.pdf 2020-12-01T11:09:35.1403472 Output 2063292 application/pdf Accepted Manuscript true 2021-12-05T00:00:00.0000000 ©2020 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng http://creativecommons.org/licenses/by-nc-nd/4.0/ 46 Rebecca Kelleher 0000-0002-6791-2886 R.Kelleher@Swansea.ac.uk true true
title A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm
spellingShingle A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm
Yuntian Feng
title_short A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm
title_full A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm
title_fullStr A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm
title_full_unstemmed A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm
title_sort A coupled polygonal DEM-LBM technique based on an immersed boundary method and energy-conserving contact algorithm
author_id_str_mv d66794f9c1357969a5badf654f960275
author_id_fullname_str_mv d66794f9c1357969a5badf654f960275_***_Yuntian Feng
author Yuntian Feng
author2 Min Wang
Yuntian Feng
T.M. Qu
T.T. Zhao
format Journal article
container_title Powder Technology
container_volume 381
container_start_page 101
publishDate 2021
institution Swansea University
issn 0032-5910
doi_str_mv 10.1016/j.powtec.2020.11.081
publisher Elsevier BV
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering
document_store_str 1
active_str 0
description This work presents a framework of coupling polygonal discrete elements and the lattice Boltzmann method using a direct forcing immersed boundary scheme. In this technique, an energy-conserving contact algorithm is utilized to handle the interactions between convex and concave polygonal particles. The surface of a polygon is represented by discrete boundary points which includes vertices of polygonal particles and/or points interpolated from vertices. The fluid-particle coupling is obtained through the interactions of the boundary points and the imaginary fluid particles using a direct-forcing immersed boundary method. Validations of the proposed technique are made by single particle and multiple arbitrarily-shaped particle sedimentation tests, and the effect of particle shape is illustrated using a drafting-kissing-tumbling benchmark.
published_date 2021-03-01T04:10:16Z
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score 11.037056

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