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On the modal damping abnormal variation mechanism for railway vehicles

Zhanghui Xia,Jinsong Zhou,Dao Gong,Wenjing Sun,Yu Sun

Mechanical Systems and Signal Processing（2019）

Cited 9|Views11
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Abstract
•Modal Damping Abnormal Variation (MDAV) phenomenon in four-wheeled vehicle.•Continuous modal tracking method.•Continuous modal tracking of four-wheeled vehicle & typical railway vehicle.•Modal shear interchange mechanism & veering behavior of frequency curves.•MDAV occurrence criterion.
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Key words
Railway vehicle,Parametric excitation,Continuous modal tracking,Modal damping abnormal variation,Multi-modal coupling
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