Adopting linear and nonlinear bearing model, this paper analyses the deformation and stress of bearing with large radius, basing on nonlinear finite element analysis method.
基于非线性有限元分析方法，采用了线性轴承模型和非线性轴承模型分析了大型四点接触球轴承的变形和受力。
Base on of the basic theory of stability analyses, Finite element model building and the elements selection are analysed.
基于拱桥稳定性分析的基础理论，给出拱桥有限元建模的单元选取及建模方法。
The dynamic calculations of the model and prototype structures are also made using structural finite element analyses programs and the results are compared and analyzed with the test.
同时，应用结构有限元分析程序对模型及原型结构进行动力计算，并将两种结果进行比较分析。
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