为研究舰炮破片弹丸对空中运动反舰导弹的毁伤规律，采用有限元软件建立破片弹丸毁伤反舰导弹的数值模型，在动态爆轰过程分析弹丸速度对破片生成规律的影响，在毁伤过程探讨破片群冲击反舰导弹的特征。结果表明，与静态爆轰相比，动态爆轰破片呈喷射状散布；随着弹丸速度的衰减，生成破片的速度明显下降，但破片群受炸药驱动的速度增量却逐渐增大；同时，不同速度弹丸的破片速度曲线均呈快速上升至波动上升至趋于稳定的趋势，但快速上升段受弹丸速度的影响不同；破片群的毁伤形式主要有贯穿、侵彻随行、切割跳飞以及未相遇4种情况，在1/4弹丸中，贯穿破片占比5.5%，有效破片占比38%。
In order to study the damage law of the naval gun fragment projectile to anti-ship missile, the numerical model of fragment projectile damaging anti-ship missile is established by using finite element software. The influence of projectile velocity on fragment formation law in dynamic detonation process are analyzed. The dynamic impact characteristics of fragment projectile to anti-ship missile are discussed during the damage process. The results show that compared to static detonation, dynamic detonation fragments can dispersed in a jet like manner; As the projectile velocity decreases, the velocity of the formed fragments decreases significantly, but the velocity increment of the fragments group driven by explosives increases gradually; At the same time, the fragments velocity curves of different velocity projectiles show a trend of rapid rise, fluctuating rise and tending to stabilize, but the impact of projectile velocity is significantly different in the fast rising stage; The damage forms of fragment group mainly include four situations: penetration, penetration following, cutting and jumping, and not encountering. The proportion of penetrating fragments in 1/4 projectile is 5.5%, and the proportion of effective fragments is 38%.
2024,46(7): 183-189 收稿日期：2023-4-24
DOI：10.3404/j.issn.1672-7649.2024.07.032
分类号：TJ410.3
作者简介：焦登伟(1990-),男,硕士,工程师,研究方向为结构设计及战斗部毁伤
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