非线性受迫振动系统的次谐共振解
Subharmonic Resonance of Nonlinear Forced Vibration Systems
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摘要: 应用非线性动力学理论,讨论一类非线性结构的受迫振动问题.通过对动力方程的分析求解,求出了系 统的次谐周期轨道及其Melnikov函数,得到了方程存在次谐共振的条件.利用这些结果,可以预测非线性系统 的混沌运动.Abstract: The forced vibrations of nonlinear systems were studied with the theory of nonlinear dynamics equations. The conditions for subharmonic resonance to exist were obtained, and the subharmonic periodic orbits of the system and their Melnikov functions were derived. The results presented can be used in prediction of chaotic motion of a nonlinear system.
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Key words:
- nonlinear systems /
- resonance /
- forced vibration /
- chaos /
- subharmonic orbits
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