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梯度密度弹芯材料PELE侵彻行为数值模拟

Keywords: 横向效应增强弹(PELE),弹芯材料,梯度密度,侵彻行为

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Abstract:

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.

References

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