| 基于子结构拓扑优化的大客车耐撞性改进 |
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| 引用本文： | 吴长风,那景新,秦国锋,卢琳兆,袁正,杨佳宙.基于子结构拓扑优化的大客车耐撞性改进[J].汽车工程,2019(8):922-926,952. |
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| 作者姓名： | 吴长风 那景新 秦国锋 卢琳兆 袁正 杨佳宙 |
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| 作者单位： | 吉林大学汽车仿真与控制国家重点实验室;厦门金龙联合汽车工业有限公司;广西师范大学职业技术师范学院;烟台大学机电汽车工程学院 |
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| 基金项目： | 国家自然科学基金(51775230)资助 |
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| 摘 要： | 提出了一种基于子结构拓扑优化的大客车车身骨架耐撞性改进设计方法。首先通过测试和仿真进行某承载式大客车耐撞性评价,分析车身结构变形的症结;提取前端驾驶区骨架为子结构,以其碰撞吸能量相同为等效条件,进行子结构耐撞性分析与改进;接着为控制子结构的局部失稳变形,以吸能盒碰撞力峰值为载荷条件,进行子结构空间区域拓扑优化,完成8组改进方案的对比分析,选取质量最轻的达标方案进行台车实验验证;最后将该方案导入整车结构中进行耐撞性改进验证。结果表明:整车的耐撞性得到有效提高。
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| 关 键 词： | 大客车车身 耐撞性 子结构 拓扑优化 台车实验 |
Improvement of Coach Crashworthiness Based on Topology Optimization of Substructure |
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| Wu Changfeng,Na Jingxin,Qin Guofeng,Lu Linzhao,Yuan Zheng,Yang Jiazhou.Improvement of Coach Crashworthiness Based on Topology Optimization of Substructure[J].Automotive Engineering,2019(8):922-926,952. |
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| Authors: | Wu Changfeng Na Jingxin Qin Guofeng Lu Linzhao Yuan Zheng Yang Jiazhou |
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| Institution: | (Jilin University,State Key Laboratory of Automotive Simulation and Control,Changchun130022;Xiamen King-long United Automotive Industry Co.,Ltd.,Xiamen361023;Teachers College for Vocational and Technical Education,Guangxi Normal University,Guilin541004;School of Mechatronics and Automobile Engineering,Yantai University,Yantai264005) |
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| Abstract: | Wu Changfeng;Na Jingxin;Qin Guofeng;Lu Linzhao;Yuan Zheng;Yang Jiazhou(Jilin University,State Key Laboratory of Automotive Simulation and Control,Changchun130022;Xiamen King-long United Automotive Industry Co.,Ltd.,Xiamen361023;Teachers College for Vocational and Technical Education,Guangxi Normal University,Guilin541004;School of Mechatronics and Automobile Engineering,Yantai University,Yantai264005) |
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| Keywords: | coach body crashworthiness substructure topology optimization sled test |
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