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本文用三维有限元计算方法对某增压器压气机叶轮进行强度分析，计算了叶轮的应力和变形，并提出了提高叶轮结构强度的方法．
In this paper, three-dimensional finite element method is used to analyze the strength of a turbocharger compressor impeller, the stress and deformation of the impeller are calculated, and the method to improve the structural strength of the impeller is proposed.