| 梯度密度弹芯材料PELE侵彻行为数值模拟 |
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| 引用本文： | 王海福,殷艺峰,金学科,陆盼盼,郑元枫.梯度密度弹芯材料PELE侵彻行为数值模拟[J].北京理工大学学报,2013,33(Z2):101-104. |
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| 作者姓名： | 王海福 殷艺峰 金学科 陆盼盼 郑元枫 |
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| 作者单位： | 北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081;北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081;北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081;北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081;北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081 |
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| 摘 要： | 采用AUTODYN-3D数值模拟方法，研究了梯度密度弹芯材料横向效应增强弹（PELE）侵彻金属靶板的力学行为和横向增强效应. 结果表明，弹芯材料梯度填充方式对PELE侵彻行为有显著影响，在要求获得较大PELE头部横向速度下，采用波阻抗递减弹芯材料填充方式PELE，可产生较理想的横向增强效应. 对于波阻抗递减填充弹芯材料PELE，各段长度按指数递减或均匀分布方式填充，更有利于横向增强效应的发挥.
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| 关 键 词： | 横向效应增强弹（PELE） 弹芯材料 梯度密度 侵彻行为 |
| 收稿时间： | 2013/11/15 0:00:00 |
Numerical Simulation of Penetration Behavior of PELE Filled Core Materials with Density Gradients |
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| WANG Hai-fu,YIN Yi-feng,JIN Xue-ke,LU Pan-pan and ZHENG Yuan-feng.Numerical Simulation of Penetration Behavior of PELE Filled Core Materials with Density Gradients[J].Journal of Beijing Institute of Technology(Natural Science Edition),2013,33(Z2):101-104. |
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| Authors: | WANG Hai-fu YIN Yi-feng JIN Xue-ke LU Pan-pan and ZHENG Yuan-feng |
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| Institution: | State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | The penetration behavior and enhanced lateral efficiency of PELE filled core materials with density gradients against RHA plate was simulated by AUTODYN-3D code. The results show that the gradient-filled pattern of core materials has significant influence on the penetration behavior of PELE. For considerations of the higher lateral velocity in the front part of PELE,the core materials with declining shock impedance may generate a better enhanced lateral efficiency. In addition,numerical simulations also show that an exponential decline or a uniform length distribution of each core material part is much more useful to generate enhanced lateral efficiency. |
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| Keywords: | penetrator with enhanced lateral efficiency(PELE) core materials density gradients penetration behavior |
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