Numerical study of blast wave propagation through granular materials subjected to buried blasts
文献类型：期刊论文
| 作者 | Zhang, Chuanshan2; Feng C(冯春)1 ; Xue, Kun2
|
| 刊名 | POWDER TECHNOLOGY
 |
| 出版日期 | 2023-11-01 |
| 卷号 | 429页码:20 |
| 关键词 | Buried blast Pressure-profile Granular materials Coupled FEM and DEM Numerical simulations |
| ISSN号 | 0032-5910 |
| DOI | 10.1016/j.powtec.2023.118940 |
| 通讯作者 | Xue, Kun(xuekun@bit.edu.cn) |
| 英文摘要 | Blast wave propagation in dry sand subjected to a buried charge is numerically investigated using a charge-sand stratified configuration wherein the mass ratio between sand and charge (M/C) spans over two decades. The detonation of the central charge and the sand dynamics are modeled by the FEM-DEM method. The findings reveal the pressure-profile associated with the blast wave undergoes marked shape transition as the expansion fans catch up with the incident blast wave. The blast propagation and the associated pressure-profiles depend on the coupling between the sand and the detonation products in the central gas pocket which is in turn influenced by a variety of structural parameters. Specifically, as the M/C increases from 21 to 436, the average velocity of the blast wave decreases by 22.2%. Furthermore, a blast compaction model of sand is proposed to account for the coupling effect and justify the influences arising from key-structural parameters. |
| 分类号 | 二类/Q1 |
| WOS关键词 | ATTENUATION ; SAND ; MODEL ; SURVIVABILITY ; BEHAVIOR ; STRESS |
| 资助项目 | State Key Laboratory of Explosive Science and Technology[ZDKT23-01] ; National Key Laboratory of Shock Wave and Detonation Physics[JCKYS2022212003] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001073449300001 |
| 资助机构 | State Key Laboratory of Explosive Science and Technology ; National Key Laboratory of Shock Wave and Detonation Physics |
| 其他责任者 | Xue, Kun |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/93014]  |
| 专题 | 力学研究所_流固耦合系统力学重点实验室(2012-) |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China 2.Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Zhang, Chuanshan,Feng C,Xue, Kun. Numerical study of blast wave propagation through granular materials subjected to buried blasts[J]. POWDER TECHNOLOGY,2023,429:20. |
| APA | Zhang, Chuanshan,冯春,&Xue, Kun.(2023).Numerical study of blast wave propagation through granular materials subjected to buried blasts.POWDER TECHNOLOGY,429,20. |
| MLA | Zhang, Chuanshan,et al."Numerical study of blast wave propagation through granular materials subjected to buried blasts".POWDER TECHNOLOGY 429(2023):20. |
入库方式： OAI收割
来源：力学研究所
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