This paper describes a computer method for determining characteristic Pair (natural frequencies and modes) with geared system.
本文叙述了确定齿轮传动系统特征对(固有频率和振型)的计算机方法。
In this paper, the natural frequencies and modes of box water body researched by using three-dimensional finite element method.
本文运用三维有限元方法离散水体，研究了箱形术体的自振频率及动水压力振型。
The present finite element model and the series solution models are used to find the natural frequencies, vibration modes and buckling loads of the FGM plates.
利用本文之有限元素分析模式与级数解模式，与求解特征值与特征向量的方法，可以求得功能梯度板之自然振动频率、振动模态与挫屈负荷。
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