Semi-analytical model for elastoplastic impact of sphere on plate
文献类型：期刊论文
| 作者 | Wang YC(王宇驰)1,2 ; Peng, Qing1,2; Song HX(宋恒旭)1,2; Wei, YueGuang3; Liu XM(刘小明)1,2
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| 刊名 | INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
 |
| 出版日期 | 2025-04-01 |
| 卷号 | 198 |
| 关键词 | Sphere-plate impact Flexural wave Contact plasticity Maximum indentation depth Coefficient of restitution |
| ISSN号 | 0734-743X |
| DOI | 10.1016/j.ijimpeng.2025.105229 |
| 英文摘要 | During the impact of a sphere on a large plate, the initial kinetic energy can be dissipated through two mechanisms: the plastic work done at the contact point and the flexural wave dissipated throughout the plate. To date, no model has adequately accounted for energy loss from both factors. In this paper, we propose a new model for the elastoplastic impact of a sphere on a large plate by combining the vibration of large plates with the elastoplastic contact model. By solving the governing equation, we demonstrate that such impacts are controlled by two non-dimensional parameters: one related to the plate's flexibility and the other to the material's yielding stress. Furthermore, we derive semi-analytical solutions for the maximum impact depth, maximum contact force, and the coefficient of restitution. The solution is verified by experimental tests from literature, and comparison shows well agreement. Additionally, we discuss the competitive mechanisms of energy dissipation through local plastic deformation and flexural wave propagation. |
| 分类号 | 一类 |
| WOS研究方向 | Engineering, Mechanical ; Mechanics ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001413264700001 |
| 资助机构 | This work was supported by the National Key R&D Program for International Cooperation Project of China (No.2022YFE0124700) , and by the Key R&D Development Program of China (No. 2020-JCJQ-ZD-254) . This work was supported by the National Natural Science Foundation of China (No.12022210, No.12032001) , by the National Natural Science Foundation of China, Basic Science Center Program for Multiscale Problems in Nonlinear Mechanics (No.11988102), and by the Youth Innovation Promotion Association CAS (2018022). |
| 其他责任者 | 刘小明 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/101449]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 作者单位 | 1.Institute of Mechanics, CAS; 2.University of Chinese Academy of Sciences, CAS; 3.Peking University |
| 推荐引用方式 GB/T 7714 | Wang YC,Peng, Qing,Song HX,et al. Semi-analytical model for elastoplastic impact of sphere on plate[J]. INTERNATIONAL JOURNAL OF IMPACT ENGINEERING,2025,198. |
| APA | 王宇驰,Peng, Qing,宋恒旭,Wei, YueGuang,&刘小明.(2025).Semi-analytical model for elastoplastic impact of sphere on plate.INTERNATIONAL JOURNAL OF IMPACT ENGINEERING,198. |
| MLA | 王宇驰,et al."Semi-analytical model for elastoplastic impact of sphere on plate".INTERNATIONAL JOURNAL OF IMPACT ENGINEERING 198(2025). |
入库方式： OAI收割
来源：力学研究所
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