论文部分内容阅读
有限元分析是现代工程设计购一种快捷、有效的辅助工具。在汽车结构设计中，它对 提高汽车动、静态性能和优化车身、车架结构设计；缩短新车开发周期，节约开发费 用，均具有重要意义。本文借助有限元分析软件以江苏亚星客车集团的ＪＳ６９８１型客 车为对象，建立了车架、车身以及整车的有限元模型，进行了在自由状态下的动态计 算，得到了结构的模态参数，比较和分析了整车的静态、动态特性，对整车的结构设计 作出了分析评价。
Finite element analysis is a modern engineering design to buy a quick and effective auxiliary tool. In the design of automobile structure, it is of great significance to improve the dynamic and static performance of automobile and to optimize the design of body and frame structure; to shorten the development period of new car and save the development cost. Based on the finite element analysis software of JS6981 bus of Jiangsu Yaxing Bus Group, this paper established the finite element model of the frame, the body and the whole vehicle, and carried out the dynamic calculation under the free state. The modal parameters , Compares and analyzes the static and dynamic characteristics of the vehicle, and analyzes and evaluates the structural design of the vehicle.