机械设计中基于有限元方法的模态分析

The modal analysis in mechanical design base on FEM

根据模态分析在机械设计中的作用,结合某产品设计实例,通过阐述模态分析有限元模型的建立过程,重点介绍了利用有限元进行模态分析的方法。并采用ANSYS程序对该产品进行了模态分析,由此判定了它的动力学薄弱部位。

The application of modal analysis in mechanical design base on finite element analysis was introduced in this paper ,and in a example process of setting up FEA model.The paper stress meas of modal analysis by the sofeware ANSYS.Finally,indicate the lanw part of the design .