Comparisons of the long rod high velocity penetration models for semi-infinite targets
KONG Xiang-zhen, FANG Qin, WU Hao, GONG Zi-ming
State Key Laboratory of Disaster Prevention & Mitigation of Explosion & Impact, College of National Defense Engineering, PLA University of Science and Technology, Nanjing 210007
Abstract:Based on four typical metal penetration and three concrete penetration experimental data, the predication performance for depth of penetration of six theoretical models were analyzed and evaluated, respectively. The target resistance (Rt) and time history curve of axial velocity were also discussed. The calculation results indicated that AW model is the best for long rod projectile penetrating into metal targets, then the LW model. However, calculation results showed that none of the six penetration model are suitable for the concrete target, mainly due to the difference of response between metal and concrete targets under high velocity impact. In addition, further research interest on the hypersonic velocity penetration of concrete target was proposed.
孔祥振,方秦,吴昊,龚自明. 长杆弹超高速侵彻半无限靶理论模型的对比分析与讨论[J]. 振动与冲击, 2017, 36(20): 37-43.
KONG Xiang-zhen, FANG Qin, WU Hao, GONG Zi-ming. Comparisons of the long rod high velocity penetration models for semi-infinite targets. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(20): 37-43.
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