An engineering model and its numerical validation for a malevolent aircraft impinging against a rigid target: Force and impulse estimations
文献类型：期刊论文
| 作者 | Li TP; Wang W(王为) ; Yuan FP(袁福平); Wu XL(武晓雷)
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| 刊名 | NUCLEAR ENGINEERING AND DESIGN
 |
| 出版日期 | 2019-02-01 |
| 卷号 | 342页码:1-9 |
| 关键词 | Aircraft impact Numerical simulation Impact force Riera's model Finite element method Crushing force |
| ISSN号 | 0029-5493 |
| DOI | 10.1016/j.nucengdes.2018.11.034 |
| 英文摘要 | Generally, the time-dependent impact force of a commercial aircraft against a rigid wall can be calculated based on the Riera's model, which consists of the static crushing force and the dynamic force. The reduction coefficient a is generally considered to be less than a unity in the modified Riera's function, while the influence of the impact velocity on the reduction coefficient is not investigated before. Moreover, the static crushing force is hard to be determined in practice. Thus an engineering model was proposed in the present study, and the total force was only described by the dynamic force and another velocity-dependent coefficient y. Based on a well-defined finite element model for the commercial aircraft Boeing B737-800, the entire impact process of the aircraft impinging on a rigid wall was reproduced by the commercial software LS-DYNA, and four different impact velocities (150, 200, 250, 300 m/s) were considered. Based on the simulation results, the influences of impact velocity on the two coefficients (alpha and gamma) were investigated and discussed by matching the aircraft impact force/impulse with the reaction force/impulse of the rigid wall. Finally, two formulas for the effects of impact velocity on the two coefficients were proposed, which is helpful for the engineers in designing and assessing the protecting shell of the nuclear power plant. |
| 分类号 | 二类 |
| WOS关键词 | LARGE COMMERCIAL AIRCRAFT ; SAFETY ASSESSMENT ; IMPACT ; CONTAINMENT ; CRASH ; RESISTANCE ; SIMULATION ; MISSILES |
| WOS研究方向 | Nuclear Science & Technology |
| 语种 | 英语 |
| WOS记录号 | WOS:000454924700001 |
| 资助机构 | National Science and Technology Major Project of China [2013ZX06002001] |
| 其他责任者 | Yuan, FP |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/78494]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 作者单位 | 1.{Li, Tieping} Minist Environm Protect Peoples Republ China, Nucl & Radiat Safety Ctr, 54 Hongliannancun, Beijing 100082, Peoples R China 2.{Wang, Wei、Yuan, Fuping、Wu, Xiaolei} Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, 15 North 4th Ring,West Rd, Beijing 100190, Peoples R China 3.{Wang, Wei、Yuan, Fuping、Wu, Xiaolei} Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li TP,Wang W,Yuan FP,et al. An engineering model and its numerical validation for a malevolent aircraft impinging against a rigid target: Force and impulse estimations[J]. NUCLEAR ENGINEERING AND DESIGN,2019,342:1-9. |
| APA | Li TP,王为,袁福平,&武晓雷.(2019).An engineering model and its numerical validation for a malevolent aircraft impinging against a rigid target: Force and impulse estimations.NUCLEAR ENGINEERING AND DESIGN,342,1-9. |
| MLA | Li TP,et al."An engineering model and its numerical validation for a malevolent aircraft impinging against a rigid target: Force and impulse estimations".NUCLEAR ENGINEERING AND DESIGN 342(2019):1-9. |
入库方式： OAI收割
来源：力学研究所
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