The foregoing provides a basis for the selection of oil-film force model during the nonlinear dynamic analysis and design of an actual rotating mechanical rotor-elliptic bearing system.

研究结果为在实际旋转机械转子-椭圆轴承系统进行非线性动力学分析和设计时，选择油膜力模型提供了依据。

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This is very helpful to choose suitable nonlinear oil film force model in the dynamic analysis for rotor-bearing systems.

这为进行转子-轴承系统的非线性动力学分析时选取恰当的油膜力模型提供了理论指导。

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It is showed that the relative errors of the nonlinear oil film force are becoming larger and larger with an increase of the oil film thickness.

结果表明，随着油膜厚度的增加，油膜力的相对误差愈来愈大，说明了非线性的影响程度愈加突出。

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