其实，近十年来，国外对非线性模态（NNMs）的研究一直在进行，比较有代表性的有UIUC Vakakis 、烈日kerschen 、新默西哥 Lee 等， 并且他们采用Rosenberg的定义，通过数值算...
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介绍了利用非线性模态综合分析技术建立整车非线性模型的方法和原理。
The methods and principle in establishing a nonlinear model for a whole motor vehicle by using the comprehensive nonlinear modal analysis techniques are presented in this paper.
提出了非线性振动理论中的非线性模态对应原理，并给出了该原理的证明。
In this paper, the nonlinear mode correspondence principle in nonlinear vibration theory is proposed and proved.
耦合非线性模态的分叉既与调谐参数有关又与模态振幅有关，但与非耦合弹簧的非线性刚度无关。
The bifurcation behavior of the coupled nonlinear normal mode is associated with detuning parameter and mode amplitude, but not with the nonlinear stiffness of uncoupling spring.
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