本文的重心是采用有限元分析软件ANSYS8.0对加载系统的结构进行静态分析和模态分析，以验证其设计的合理性。
The thesis is mainly devoted to prove the validity of the design by analyzing the structure of the loading system, via FEA analysis software ANSYS8.0.
ANSYS软件是一种大型通用的有限元分析软件，可以准确的进行机床的静力、模态、谐响应以及瞬态动力学的有限元分析。
Besides, ANSYS is a large general-purpose software, which can be used to analyze static, dynamic, harmonic response and transient dynamic analysis of the machine tool.
使用有限元分析软件ANSYS对结构建模，并进行模态和谐响应分析。
The modal and harmonic response analysis of the structure were implemented using the finite element analysis method with ANSYS software.
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