摘要
以某轿车白车身为研究对象,在Hyperm esh中建立其有限元模型,再导入到ANSYS中对该有限元模型进行模态分析,从而求得白车身的固有振动特性.在进行有限元分析的同时对样车白车身进行模态试验分析,用试验结果验证有限元模型.结果表明,该车白车身的刚度较大,为后续的优化设计提供了一定的空间.
In this paper, the finite element models of some car＇s body-in-white are established by using Hypermesh. The model analysis was executed base on the element model in Ansys. Through the model analysis the dynamic parameters of the body-in-white are obtained. At the same time, the modal test of a real car body is implemented. The reliability of the finite element model was validated base on the modal test. The results show that the stiffness of the body-in-white is great enough.
出处
《车辆与动力技术》
2008年第4期50-53,62,共5页
Vehicle & Power Technology
关键词
白车身
模态分析
有限元模型
body-in-white
model analysis
finite element model
