采用摄动法求得了其近似解，得到了载流梁在磁场中的横向固有振动频率及位移解析表达式。
The perturbation method was employed to get the control equation's approximate solution. The analytical expressions of beam's natural lateral vibration frequency and displacement were derived.
并利用弹流理论来研究啮合轮齿间油膜厚度，用有限元法来研究轮齿受载弹性变形。
The film thickness is analyzed with elastohydrodynamic lubrication theory, tooth elastic deformation computed by finite elements.
用该方法分析了一个缺口试件在随机谱载下的裂纹形成寿命，结果比常规的有效系数和雨流法更接近试验结果。
The fatigue life of a notched specimen under random loading spectrum is evaluated by means of the present method.
用该方法分析了一个缺口试件在随机谱载下的裂纹形成寿命，结果比常规的有效系数和雨流法更接近试验结果。
The fatigue life of a notched specimen under random loading spectrum is evaluated by means of the present method.
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