【作者】 任汨； 欧涛； 殷晨波； 王斌；

【Author】 Ren mi,Ou tao,Yin Chen-bo,Wang bin (Vehicles and Engineering Research Institute,Nanjing University of Technology,Nanjing,Jiangsu 210009,China)

【机构】 南京工业大学车辆与工程研究所； 简式国际汽车设计有限公司；

【摘要】 采用Hypermesh有限元软件对汽车保险杠进行有限元建模,使用Optistruct对保险杠进行动力学模态分析与动力特性的灵敏度分析。依据灵敏度结果制定优化方案,并对模型进行结构优化,优化效果良好,为汽车保险杠新产品的研究开发提供了设计依据。把灵敏度分析方法运用到优化设计中,对汽车其它系统设计提供重要的理论意义和实用价值。更多还原

【Abstract】 The parameterized finite element modeling of the car-bumper is established by using HyperWorks software, meanwhile a dynamic modal analysis and sensitivity analysis of dynamic characteristics is performed to the bumper,then optimize the model According to the results of the analysis,The results show that good results optimization,It provide a design and optimization method for the automotive Bumper reseaching and developing new products,also The finite element method provide an important theoretical significance and practical value to optimize the design of automotive vehicle.更多还原