| Numerical study of blast wave propagation through granular materials subjected to buried blasts | |
Zhang, Chuanshan1; Feng C(冯春)2 ; Xue, Kun1
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| Corresponding Author | Xue, Kun([email protected]) |
| Source Publication | POWDER TECHNOLOGY
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| 2023-11-01 | |
| Volume | 429Pages:20 |
| ISSN | 0032-5910 |
| Abstract | 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. |
| Keyword | Buried blast Pressure-profile Granular materials Coupled FEM and DEM Numerical simulations |
| DOI | 10.1016/j.powtec.2023.118940 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:001073449300001 |
| WOS Keyword | ATTENUATION ; SAND ; MODEL ; SURVIVABILITY ; BEHAVIOR ; STRESS |
| WOS Research Area | Engineering |
| WOS Subject | Engineering, Chemical |
| Funding Project | State Key Laboratory of Explosive Science and Technology[ZDKT23-01] ; National Key Laboratory of Shock Wave and Detonation Physics[JCKYS2022212003] |
| Funding Organization | State Key Laboratory of Explosive Science and Technology ; National Key Laboratory of Shock Wave and Detonation Physics |
| Classification | 二类/Q1 |
| Ranking | 2 |
| Contributor | Xue, Kun |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/93015 |
| Collection | 流固耦合系统力学重点实验室 |
| Affiliation | 1.Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China; 2.Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China |
| Recommended Citation 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.Rp_Au:Xue, Kun |
| 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. |
| Files in This Item: | Download All | |||||
| File Name/Size | DocType | Version | Access | License | ||
| Jp2023Fa251.pdf（13091KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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