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On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations

Shaomin Liang, Yuntian Feng Orcid Logo, Tingting Zhao, Zhihua Wang

Powder Technology, Volume: 419, Start page: 118347

Swansea University Author: Yuntian Feng Orcid Logo

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DOI (Published version): 10.1016/j.powtec.2023.118347

Abstract

The impact process of a rigid intruder on granular materials can reveal some fundamental physical phenomena related to granular materials. Most existing investigations on impact problems of granular materials are mainly focused on the phenomenological description of the impact process without compre...

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Published in: Powder Technology
ISSN: 0032-5910
Published: Elsevier BV 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62678
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first_indexed 2023-02-16T17:56:19Z
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spelling 2023-03-09T14:19:39.9192826 v2 62678 2023-02-16 On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations d66794f9c1357969a5badf654f960275 0000-0002-6396-8698 Yuntian Feng Yuntian Feng true false 2023-02-16 CIVL The impact process of a rigid intruder on granular materials can reveal some fundamental physical phenomena related to granular materials. Most existing investigations on impact problems of granular materials are mainly focused on the phenomenological description of the impact process without comprehensive understanding of energy dispersion of granular materials. In this paper, the discrete element method (DEM) is adopted to investigate the impact process of granular materials subject to an intruder. The kinetic and potential energy of the intruder is transferred to granular materials through the contact surface during impact. The granular material achieves dynamic equilibrium at the macroscopic level. The results reveal that the momentum transfer is typically radial at the collision point, indicating that the friction between particles and the intruder is not crucial. The shape and size of intruder significantly affects the energy transfer and the contact area between intruder and granular material. There is a quantitative relationship between the proportion of granular material involved in energy dissipation, the dissipation time and the energy transferred to the granular system, particularly when the granular system is sufficiently large. Journal Article Powder Technology 419 118347 Elsevier BV 0032-5910 Dynamic impact; Granular material; Intruder shape; Energy dissipation; Discrete element method 1 4 2023 2023-04-01 10.1016/j.powtec.2023.118347 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University This study is financially supported by the National Natural Science Foundation of China (Grant Nos. 12072217 and 12102294). 2023-03-09T14:19:39.9192826 2023-02-16T16:58:01.3578631 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Shaomin Liang 1 Yuntian Feng 0000-0002-6396-8698 2 Tingting Zhao 3 Zhihua Wang 4 Under embargo Under embargo 2023-02-16T17:57:42.4987661 Output 1147578 application/pdf Accepted Manuscript true 2024-02-16T00:00:00.0000000 ©2023 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 https://creativecommons.org/licenses/by-nc-nd/4.0/
title On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations
spellingShingle On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations
Yuntian Feng
title_short On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations
title_full On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations
title_fullStr On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations
title_full_unstemmed On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations
title_sort On energy transfer and dissipation of intruder impacting granular materials based on discrete element simulations
author_id_str_mv d66794f9c1357969a5badf654f960275
author_id_fullname_str_mv d66794f9c1357969a5badf654f960275_***_Yuntian Feng
author Yuntian Feng
author2 Shaomin Liang
Yuntian Feng
Tingting Zhao
Zhihua Wang
format Journal article
container_title Powder Technology
container_volume 419
container_start_page 118347
publishDate 2023
institution Swansea University
issn 0032-5910
doi_str_mv 10.1016/j.powtec.2023.118347
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 0
active_str 0
description The impact process of a rigid intruder on granular materials can reveal some fundamental physical phenomena related to granular materials. Most existing investigations on impact problems of granular materials are mainly focused on the phenomenological description of the impact process without comprehensive understanding of energy dispersion of granular materials. In this paper, the discrete element method (DEM) is adopted to investigate the impact process of granular materials subject to an intruder. The kinetic and potential energy of the intruder is transferred to granular materials through the contact surface during impact. The granular material achieves dynamic equilibrium at the macroscopic level. The results reveal that the momentum transfer is typically radial at the collision point, indicating that the friction between particles and the intruder is not crucial. The shape and size of intruder significantly affects the energy transfer and the contact area between intruder and granular material. There is a quantitative relationship between the proportion of granular material involved in energy dissipation, the dissipation time and the energy transferred to the granular system, particularly when the granular system is sufficiently large.
published_date 2023-04-01T04:22:29Z
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score 10.9979105

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