本文针对后梁系统单自由度运动方程的非线性振动分析对工程设计、织造工艺改善有一定理论意义；
The nonlinear dynamic analysis to SDOF function of the back-rest system can be benefit for engineering design and improvement of weaving technology.
本文采用改进的L -P法研究梁的强非线性振动，分析了超谐波共振和次谐波共振两种情况。
The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.
文中给出用数值积分瞬态模拟对轴承—转子系统非线性振动进行计算分析的方法。
In this paper, a method of transient numerical simulation to simulate and analyze the nonlinear vibration of rotor bearing system is presented.
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