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含能材料  2012 

横向效应增强型侵彻体对不同材料靶板的作用性能

DOI: 10.3969/j.issn.1006-9941.2012.06.010

Keywords: 爆炸力学,靶板材料,横向速度,数值仿真

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Abstract:

为了研究不同材料的靶板对横向效应增强型侵彻体(PenetratorwithEnhancedLateralEffect,PELE)的影响,采用三维非线性动力学有限元程序LS-DYNA,在速度900~1300m·s-1范围内,对一定弹体结构和材料的PELE撞击不同材料的金属薄靶进行数值仿真,并将仿真结果与实验数据进行比较,发现两者能较好的吻合。针对仿真和实验结果进行相应的理论分析发现:惯性压缩阶段是影响横向速度的关键阶段,并且横向速度随着靶板密度和体积模量的增大而提高。

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