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中文核心期刊

随机振动离散分析方法

DISCRETE ANALYSIS METHOD OF RANDOM VIBRATION

  • 摘要: 本文提出了随机振动的离散分析方法,给出了一种可以求瞬态乃至稳态均值和均方响应的递推公式,并证明了它的无条件稳定性。应用该公式可以求出线性和等价线性化的非线性振动系统的精确稳态均值和均方响应。

     

    Abstract: Discrete Analysis Method of Random Vibration is proposed in this paper. Anew recurrence formula which can be used to calculate the stationary and non-stationary mean and mean square responses is given, and its unconditional stability is proved. By using of this formula, the accurate mean and mean square responses of a linear or an equivalent linearized nonlinear vibration problem can be obtained.

     

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