| 圆锥头弹体正撞击薄钢板的破坏模式和数值模拟研究 |
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| 引用本文： | 龙志勤,穆建春,王志刚,黄芹,习会峰.圆锥头弹体正撞击薄钢板的破坏模式和数值模拟研究[J].茂名学院学报,2012(1):54-56,63. |
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| 作者姓名： | 龙志勤 穆建春 王志刚 黄芹 习会峰 |
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| 作者单位： | 广东石油化工学院建筑工程学院 |
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| 摘 要： | 撞击损伤特性研究是防护设计的一个重要问题。在临界破裂速度下,对薄钢板在不同圆锥角的圆锥形子弹正撞击下的破坏模式进行了实验研究,实验表明：当圆锥角小于110°时,板为穿孔型破坏;当圆锥角大于110°时,板为冲塞型破坏。基于实验结果,应用LS-DYNA有限元程序数值模拟了子弹撞击薄钢板的过程,通过计算结果与实验结果的比较,证明了LS-DYNA程序数值模拟预测薄钢板撞击的有效性。
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| 关 键 词： | 撞击 锥头弹丸 破坏模式 数值模拟 |
Failure Modes and Numeric Simulation of Thin Steel Plates under Normal Impact by Conical Projectiles |
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| LONG Zhi-qin,MU Jian-chun,WANG Zhi-gang,HUANG Qin,XI Hui-feng.Failure Modes and Numeric Simulation of Thin Steel Plates under Normal Impact by Conical Projectiles[J].Journal of Maoming College,2012(1):54-56,63. |
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| Authors: | LONG Zhi-qin MU Jian-chun WANG Zhi-gang HUANG Qin XI Hui-feng |
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| Institution: | (College of Architectural Engineering,Guangdong University of Petrochemical Technology,Maoming 525000,China) |
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| Abstract: | Investigation into the impact damage characteristics has become important in protection designing.The failure modes of thin steel plates under normal impact by different conical projectiles are studied by experiments.There are two failure modes of penetration hole and plugging with different conical angles.If conical angle is less than 110°,the failure mode is penetration hole;if conical angle is less than 110°,the failure mode is plugging.Based on the experiment result,the process of thin steel plate under normal impact by conical projectiles is simulated by using LS-DYNA,by comparing results between numerical simulation and experiment,it is found that LS-DYNA is an effective method of predicting thin steel plates under normal impact by conical projectiles. |
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| Keywords: | impact conical projectile failure mode numeric simulation |
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