钨合金杆侵彻半无限厚铝合金靶的数值研究

被引:24
作者
楼建锋 [1 ,2 ]
王政 [1 ]
洪滔 [1 ]
朱建士 [1 ]
机构
[1] 北京应用物理与计算数学研究所
[2] 中国工程物理研究院北京研究生部
关键词
长杆侵彻; 数值模型; 钨合金杆; 铝合金;
D O I
暂无
中图分类号
O347.3 [冲击载荷下的材料强度];
学科分类号
摘要
使用LS-DYNA程序对钨合金杆侵彻半无限厚铝合金靶问题进行了数值模拟研究,参考文献中的实验数据,分别建立了在低着速与高着速情况下所适用的计算模型,标定了材料参数,计算了撞击速度从200 m/s到2500 m/s范围内的侵彻情况,计算结果与实验数据符合较好。同时研究了影响长杆侵彻效能的主要因素,结果表明,在高着速的情况下,杆的头部形状对侵彻深度的影响很小,以杆长无量纲化的侵彻深度(P/L0)随长径比(L0/d)的增大而降低。
引用
收藏
页码:65 / 70
页数:6
相关论文
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