Vibration equations of contact wires were used to derive the formulae for calculation of mean and standard deviations of stresses.
根据接触悬挂系统中的接触线振动方程，推导了接触线应力的均值和方差的计算公式。
Calculation results indicate that tire vibration and noise can be predicted with actual excitation spectrum from tests according to the method presented in the paper.
计算结果表明，只要有通过试验获得的轮胎在滚动过程中所受到的真实激励谱，利用本文的方法即可对轮胎的振动噪声进行预报。
This thesis aims at developing a model and calculation method of rigidity, strength and vibration of the blade .
本文目的就是要建立一套适合于水轮机转轮叶片刚强度与振动的分析模型和计算方法。
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