军用车辆底部爆炸冲击下载员下肢保护装置设计与优化
Design and Optimization of Occupant Lower Limb Protection Device against Explosion Shock below Military Vehicle
查看参考文献22篇
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文摘
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针对车辆底部爆炸冲击下载员下肢因地板冲击发生严重损伤的问题,结合柔性地板结构和防雷脚垫结构,设计了车辆载员下肢保护装置。采用整车爆炸仿真对下肢保护装置防护性能进行分析,研究设计参数对防护性能的影响,确定较优的设计;对较优的下肢保护装置进行静刚度分析,确定其能够提供足够的日常支撑力。对下肢保护装置的设计进行多目标优化,获取该优化问题的一个最优设计方案;通过整车爆炸仿真和试验验证设计方案。结果表明,该方案能够有效降低载员下肢所受冲击,显著提高乘员下肢的防护能力。 |
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其他语种文摘
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For severe damage to the lower limbs of vehicle occupant caused by the explosion shock below vehicle,a vehicle occupant lower limb protection device was designed by combining the flexible floor and the explosion-proof foot pad. The protective performance of the lower limb protection device and the influence of design parameters on the protective performance are studied based on vehicle explosive simulation,and a preferable design is determined. Static stiffness analysis of the preferable design is made to determine if it can provide sufficient support in daily use. Multi-objective optimization is performed for the structure of lower limb protection device to obtain the optimal design. The vehicle explosion simulation and test were carried out to verify this design. The results show that the occupant lower limb protection device can effectively reduce the impact to the lower limbs and significantly improve the protection ability of the lower limbs. |
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来源
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兵工学报
,2021,42(12):2555-2564 【核心库】
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DOI
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10.3969/j.issn.1000-1093.2021.12.003
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关键词
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军用车辆
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底部爆炸
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车辆载员
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下肢保护装置
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数值模拟
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多目标优化
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地址
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南京理工大学机械工程学院, 江苏, 南京, 210094
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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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武器工业 |
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基金
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国家自然科学基金项目
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文献收藏号
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CSCD:7139284
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