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Title: Internal resonance vibration induced by nonlinearity of primary suspension system in high-speed vehicle system
Authors: Liu, YB
Xing, YL
Law, SS 
Zhang, YY
Keywords: High-speed vehicle
Incremental harmonic balance method
Nonlinear steady-state solution
Internal resonance
Issue Date: 2017
Publisher: Springer
Source: Nonlinear dynamics, 2017, v. 88, no. 4, p. 2947-2956 How to cite?
Journal: Nonlinear dynamics 
Abstract: This paper studies the phenomenon of internal resonance in high-speed vehicle system under high frequency periodic excitations. A numerical model of the vehicle system, taking into consideration the dynamic effects of the primary suspension system and the flexibility of the car-body, is established for the study. An approximate approach incorporating the incremental harmonic balance method with frequency response function is adopted to solve the dynamic responses of the vehicle system in frequency domain. Numerical results show that internal resonance vibration in the vehicle system may occur with certain combinations of design parameters of the vehicle system. The vibration of the car-body and the primary suspension system are significantly amplified with energy transmitted between the natural modes of the car-body and the primary suspension system. Parametric studies on the internal resonance are further explored. Results show that the nonlinearity of the primary suspension spring and the modal damping ratio of the vehicle system play very important roles to the occurrence of internal resonance.
ISSN: 0924-090X
EISSN: 1573-269X
DOI: 10.1007/s11071-017-3423-3
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