The proper application conditions of different mistuning degree,coupling degree and damping ratio are determined by comparing and analyzing the results obtained from the three perturbation methods.

• 基于质量-弹簧模型,研究了在不同系统参数下,经典摄动法、修正摄动法和自适应摄动法求解失谐叶盘系统受迫响应的应用特点。