连接元和连接子结构与模态综合技术相结合,能够解决部件间连接比较薄弱、变形不连续结构系统的振动分析问题,子结构间的耦合变换非常简单,连接子结构的刚度系数可用参数识别的方法获取。计算和试验结果表明,这种结构连接方法能达到足够的精度,计算量也较小。 Coupling element and connector sub-structure combined with modal synthesis technology can solve the problem of vibration analysis of the system with weak connection and deformation and discontinuous structure. The coupling transformation between sub-structures is very simple, and the stiffness coefficient of the sub-structure can be identified by parameters Method to get. The calculation and experimental results show that this method of structural connection can achieve sufficient accuracy and the calculation amount is also small.