通过使用数值模拟来研究非致命的脆性弹子的不冲击造成的伤害
Kun Liu1, Junjie Shi1, Ying Feng2
1School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, PR China.
Forensic science international
|December 1, 2025
概括
一个新的18.4毫米脆性动力弹子,充满了油脂 (OC) 粉末,减少了近距离的伤害. 与传统的子弹相比,它的碎片化和OC释放提供了更安全的人员控制.
科学领域:
- 弹道学和撞击动态学.
- 用于非致命武器的材料科学.
- 生物机械伤害评估
背景情况:
- 非致命的动力弹子存在过度伤害或近距离死亡的风险.
- 现有的射弹设计可能无法充分减轻伤害潜力.
- 在执法和军事应用中需要更安全的弹子设计.
研究的目的:
- 设计和评估一种新的18.4毫米非致命的脆性动力弹子.
- 为了比较易碎弹子弹与传统弹子弹的伤害效果.
- 为优化非致命武器系统提供理论和技术支持.
主要方法:
- 用聚甲基甲酸盐 (PMMA) 贝填充油脂 (OC) 粉末的18.4毫米易碎弹的设计.
- 使用LS-DYNA软件进行数值模拟,分析凝目标上的冲击动态 (速度,位移,压力).
- 使用多参数同步测量技术进行实验验证,以比较受伤效应.
主要成果:
- 数字模拟准确地复制了实验射弹撞击和伤害效应.
- 与弹子弹相比,易碎弹子弹显示出较低的初始速度和动能.
- 射弹碎片化增加了接触面积,吸收了能量,并降低了峰值内部压力,导致压力逐渐变化.
结论:
- 易碎的动力弹子通过在撞击时碎片化并释放OC粉末以进行化学刺激,有效地降低了伤害潜力.
- 这种设计可以实现人员控制,同时避免近距离发生致命伤害.
- 该研究为开发优化非致命武器系统提供了宝贵的见解.
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