铰接式菱形概念底盘结构的拓扑优化

Topology Optimization on the Structure of Articulated Rhombus Concept Chassis

采用基结构方法,根据各总成布置和实际行驶要求,建立铰接式菱形底盘基结构模型。以质量最小为优化目标,各种典型载荷工况下车架纵横梁等结构件的刚度、强度为约束条件,各构件的布置位置和截面尺寸为设计变量,对铰接式菱形底盘结构进行拓扑优化。最后试验结果验证了所采用的拓扑优化方法的有效性。

According to the requirements on the layout of all assemblies and practical driving, a basic structure model for the articulated rhombus concept chassis is set up by using basic structure method. With minimi- zing the mass as objective, the stiffness and strength of all structural components, including side rails and cross members under various typical loading conditions as constraints, and the position and section size of all components as design variables, a topology optimization on the structure of articulated rhombus concept chassis is conducted. Fi- nally the results of tests verify the effectiveness of the topology optimization scheme used.