长杆弹撞击装甲陶瓷的界面击溃效应数值模拟
Numerical Simulation on Interface Defeat of Ceramic Armor Impacted by Long-rod Projectile
查看参考文献27篇
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文摘
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利用动力有限元软件AUTODYN模拟了长杆弹撞击装甲陶瓷的界面击溃效应及其影响因素。在验证计算模型、参数及算法可靠的基础上,模拟研究了长杆弹头部形状、盖板、陶瓷预应力等对界面击溃效应的影响规律。结果表明:平头、球形和锥形头部形状长杆弹界面击溃/侵彻转变速度有显著差异;增加盖板及对陶瓷施加预应力均可减小陶瓷的损伤破坏程度,提高陶瓷的界面击溃/侵彻转变速度,提高装甲陶瓷抗弹能力。 |
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其他语种文摘
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A numerical simulation model for ceramic target impacted by long-rod projectile (LRP) is established to investigate the influence of several factors on the interface defeat of ceramic armor by using finite element software AUTODYN. The reliabilities of parameters and algorithms of simulation method are verified. The main factors, such as LRP nose shape, cover plate and pre-stress of ceramics, are simulated in two-dimensional computational studies. The simulated results show that three nose-shapes of LRP have significant effects on interface defeat/penetration transition velocity. The degree of damage on the ceramic can be decreased and the interface defeat/penetration transition velocity can be improved by adding a cover plate and applying a pre-stress on ceramic. |
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来源
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兵工学报
,2016,37(4):627-634 【核心库】
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DOI
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10.3969/j.issn.1000-1093.2016.04.008
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关键词
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兵器科学与技术
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陶瓷装甲
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界面击溃
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数值模拟
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地址
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1.
南京理工大学, 智能弹药技术国防重点学科实验室, 江苏, 南京, 210094
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山东特种工业集团有限公司, 山东, 淄博, 255201
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-1093 |
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学科
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力学 |
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基金
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中央组织部青年拔尖人才支持计划项目(2014年)
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北京理工大学爆炸科学与技术国家重点实验室基金
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文献收藏号
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CSCD:5720286
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