摘要
提出了求解阻尼系统特征值问题的高阶摄动法。当结构参数发生变化时，不必重新求解特征值问题，只需以原结构的特征值问题为基础，应用摄动法即可求得改变后结构的特征值及特征向量。高阶摄动法能解决阻尼系统参数变化较大时的特征值问题，具有较强的实用性。
his paper puts forward a high-order perturbation method to solve eigenproblems for a damped system.When the structure parameter is changed,there is no need to re-calculate eigenproblems.On the basis of eigenproblems of the original structure,a perturbation method is adopted to find the eigenvalue and eigenvetor of the changed structure.The high-order perturbation method is very useful because it could solve eigenproblems even if the parameter of the damped has a great change.
出处
《贵州工业大学学报（自然科学版）》
CAS
1997年第A10期55-58,共4页
Journal of Guizhou University of Technology(Natural Science Edition)
