This method can deal with dynamic response of not only elastic modal structure but also rigid modal structure.Furthermore,high accuracy is produced under both linear and nonlinear excitations.

• 该方法不仅可以处理弹性模态结构的动力响应而且可以处理刚体模态结构的动力响应,并且不论是线性激励还是非线性激励,本文提出的计算格式都给出了很高的精度。