建立基于反求设计的某轻型客车车身结构详细的有限元模型。通过目标样车的模态试验结果与有限元模型的模态计算结果的对比分析, 修正模型与设计, 为有限元法在结构反求设计中的应用提供参考。 关键词: 有限元法 反求设计 车身 模态 Abstract:A detailed FE model of a ligh t bus based on the inverse design is established in th is paper. Comparing the object modal experiment result w ith the FE model analysis, the body st ructure and the FE model are modified. It show s the app licat ion of the FEM to the inverse design of the body st ructure. Key words: FEM , Inverse design, Body st ructure, Mode