AN EXAMINATION OF LONG-ROD PENETRATION

被引：80

作者：

ANDERSON, CE

WALKER, JD

机构：

[1] Southwest Research Institute, San Antonio

来源：

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING | 1991年 / 11卷 / 04期

关键词：

D O I：

10.1016/0734-743X(91)90015-8

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The one-dimensional modified Bernoulli theory of Tate [J. Mech. Phys. Solids 15, 287-399 (1967)] is often used to examine long-rod penetration into semi-infinite targets. The theory is summarized and the origins of the target resistance term examined. Numerical simulations were performed of a tungsten-alloy, long-rod projectile into a semi-infinite hardened steel target at three impact velocities sufficiently high to result in projectile erosion. The constitutive responses of the target and projectile were varied parametrically to assess the effects of strain hardening, strain-rate hardening, and thermal softening on penetration response. The results of one of the numerical simulations were selected to compare and contrast in detail with the predictions of the Tate model.

引用

页码：481 / 501

页数：21

共 34 条

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