弹体侵彻平面薄靶板等效模型建立与仿真模拟

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (24) : 243-250.

论文

弹体侵彻平面薄靶板等效模型建立与仿真模拟

肖有才1，王海1，范晨阳2，邹宇3，韩用3

作者信息 +

Establishment and simulation analysis of an equivalent model of a projectile body penetrating flat thin target plate

XIAO Youcai1,WANG Hai1,FAN Chenyang2,ZOU Yu3,HAN Yong3

Author information +

文章历史 +

摘要

基于极限穿透速度相等原则，采用量纲分析的方法，推导出适用于不同钢材薄靶板抗尖卵形弹侵彻的等效模型。运用有限元软件LS-DYNA对12.7mm穿甲弹芯垂直侵彻30CrMnSi靶板和45号钢靶板过程进行仿真，对得到的等效厚度进行拟合，确定30CrMnSi靶板和45号钢靶板等效模型系数。并对30CrMnSi靶板和其等效的45号钢靶板进行12.7mm穿甲弹芯侵彻实验，两者极限穿透速度误差小于2.7%，验证了等效模型的正确性，该研究可为子弹侵彻火箭发动机等效实验中等效靶板设计提供理论依据和数据参考。

Abstract

The principle of equal limiting penetration velocity is employed to derive an equivalent model applicable to thin target plates of different steel materials, designed to resist the penetration of pointed ovoid bullets. This is achieved through the use of magnitude analysis. The finite element software LS-DYNA was employed to simulate the vertical penetration of the 12.7mm armor-piercing bullet core through the 30CrMnSi target plate and the 45 steel target plate. The resulting equivalent thickness was used to determine the coefficients of the equivalent model for both the 30CrMnSi target plate and the 45 steel target plate. Furthermore, the 30CrMnSi target plate and its equivalent 45 steel target plate were employed in 12.7mm armor-piercing bullet core penetration experiments. The two limit penetration speed error was less than 2.7%. This verifies the correctness of the equivalent model. Additionally, the study can be used to validate the penetration of a bullet through a rocket engine, which is equivalent to the aforementioned experiments. This provides a theoretical basis and data reference.

导出引用

肖有才1, 王海1, 范晨阳2, 邹宇3, 韩用3. 弹体侵彻平面薄靶板等效模型建立与仿真模拟[J]. 振动与冲击, 2024, 43(24): 243-250

XIAO Youcai1, WANG Hai1, FAN Chenyang2, ZOU Yu3, HAN Yong3. Establishment and simulation analysis of an equivalent model of a projectile body penetrating flat thin target plate[J]. Journal of Vibration and Shock, 2024, 43(24): 243-250

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