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| 入水后爆炸问题的数值模拟技术 | |
| 引用本文： | 浦锡锋,王仲琦,白春华,周刚. 入水后爆炸问题的数值模拟技术[J]. 计算力学学报, 2011, 28(Z1): 74-78 |
| 作者姓名： | 浦锡锋 王仲琦 白春华 周刚 |
| 作者单位： | 1. 北京理工大学爆炸科学与技术国家重点实验室,北京,100081;西北核技术研究所,西安,710024 2. 北京理工大学爆炸科学与技术国家重点实验室,北京,100081 3. 西北核技术研究所,西安,710024 |
| 基金项目： | 北京理工大学基础研究基金 |
| 摘 要： | 应用各种数值计算方法及计算处理技术,编制程序实现了对弹体入水后爆炸问题全过程的数值模拟.其中弹体与水,爆轰产物气体与弹壳之间的相互作用通过流固耦合技术来描述;水面与空气、爆轰产物与水、空气之间的相互作用采用VOF方法(Volume-of-Fluid)来描述;采用了刚体-柔体转换、单元失效删除等计算技术以更高效、更好地模... |
| 关 键 词： | 爆炸力学 数值模拟 入水后爆炸 流固耦合 |
Numerical simulation of the process of water entry-then-explosion |
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| PU Xi-feng,WANG Zhong-qi,BAI Chun-hua,ZHOU Gang. Numerical simulation of the process of water entry-then-explosion[J]. Chinese Journal of Computational Mechanics, 2011, 28(Z1): 74-78 | |
| Authors: | PU Xi-feng WANG Zhong-qi BAI Chun-hua ZHOU Gang |
| Affiliation: | PU Xi-feng~(*1,2),WANG Zhong-qi~1,BAI Chun-hua~1,ZHOU Gang~2 (1.State Key Lab of Explosion and Safety Science,Beijing Institute of Technology,Beijing 100081,China,2.Northwest Institute of Nuclear Technology,Xi'an 710024,China) |
| Abstract: | According to the characteristics of the process of water entry-then-explosion,a 2D calculation code was developed to couple different numerical methods and numerical technology in this paper.The Eulerian multi-material hydrodynamic method was used to simulate the behave of flow region,And the dynamic finite element method was used to calculate the response of projectile.Sortie numerical technology such as VOF(Volume-of-Fluid) method,Rigid body-Deformable body transformming technology were used to make the c... |
| Keywords: | explosion mechanics numerical simulation water entry-then-explosion fluid-structure coupling |
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