【摘要】 目的　分析组合结构结合部的动态特性 .方法　应用试验模态分析法分析组合结构结合部的传递函数 ,并用有限元模态分析法对组合结构进行计算分析 .结果　确定了结合部的动态特性 ,计算出组合结构的前五阶非刚体模态 ,结算结果满足工程要求 .结论　所得出的实验结果和建立的组合结构模型基本正确 ,为下一步组合结构的优化和动力学匹配提供了依据 .更多还原

【Abstract】 Aim To analyse the dynamic characteristic of the interface of composite structures. Methods To analyse the transfer function of the interface of composite structures by the method of experimental model analysis.And to caculate and analyse the mode of the composite structures by the method of FEM. Results The dynamic characteristics of the interface are confirmed,and the first five nonrigid modes of the composite structures have been got which can meet the engineering needs. Conclusion The experimental result and the composite structures model are basically correct.It is the basis for later structure optimization and dynamics match.更多还原