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Author:
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Year:
Volume:
Issue:
Nonlinear Analysis of a Cracked Rotor With Whirling
Author(s):
LI Xiaofeng
,
XU Pingyong
,
SHI Tielin
,
YANG Shuzi
Pages:
643
-
652
Year:
2002
Issue:
6
Journal:
APPLIED MATHEMATICS AND MECHANICS
Keyword:
非线性
;
涡动
;
诊断
;
Abstract:
分析了裂纹轴转子系统在考虑涡动时的非线性动力学行为,并与忽略涡动时的裂纹轴进行了对比,发现二者在周期分岔特性、振幅特性、轴心轨迹和庞卡莱图等方面均存在明显差异.从而可以看出在考虑非线性涡动时,裂纹轴会出现复杂的动力学行为.所得结论对于早期发现和诊断裂纹故障有一定参考价值.
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