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针对93W长杆弹垂直侵彻半无限4340钢靶的准稳定阶段进行研究,根据弹尾和弹体平均速度时程曲线分析准稳定阶段的速度特性和时间分布,并对不同长径比不同入射速度条件下冲击速度与侵彻速度之间的关系进行研究.研究表明,不同条件下侵彻速度与冲击速度发生较大的变化,但两者之间的关系不变且满足线性关系.这种关系与利用流体动力学模型所推导出的线性关系明显不同.

参考文献

[1] Boris A. Galanov;Sergei M. Ivanov;Valerij V. Kartuzov .On one new modification of alekseevskii-tate model for nonstationary penetration of long rods into targets[J].International journal of impact engineering,2001(1/10):201-210.
[2] Z. rosenberg;E. Dekel .Material similarities in long-rod penetration mechanics[J].International journal of impact engineering,2001(4):361-372.
[3] Anderson C E Jr;Walker J D et al.On the velocity dependence of the L/D effect for long-rod penetrators[J].International Journal of Impact Engineering,1995,17:13-24.
[4] D.L. Orphal;C.E. Anderson Jr. .The dependence of penetration velocity on impact velocity[J].International journal of impact engineering,2006(1/12):546-554.
[5] LSTC.LS-DYNA theoretical manual[M].USA:Livermore Software Technology Corporation,2006:19,32-20,4.
[6] Anderson C E;Walker J D;Bless S J et al.On the L/D effect for long-rod penetration[J].International Journal of Impact Engineering,1996,18(03):247-264.
[7] Johnson G R;Cook W H.A constitutive model and data for metals subjected to large strains,high strain rates and high temperatures[A].Hague:Netherlands,1983:541-547.
[8] Johnson G R;Cook W H .Fracture characteristics of three metals subjected to various strains,strain rates,temperatures and pressures[J].Engineering Fracture Mechanics,1985,21(01):31-48.
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