The finite element method (FEM) of contact theory and eigenvalue computing is used in this thesis to solve the problem of natural modal analyzing aircraft structure with contact surface.
本文采用接触理论有限元数值方法加特征值计算的方法来解决考虑连接面固有特性计算的问题。
A contact analytical modal of hanging rod linking big bell in blast furnace was built in finite element method (FEM) according to fatigue reasons of hanging rod linking big bell.
根据大钟吊杆的可能失效原因，采用有限元方法，建立高炉大钟吊杆系统的接触分析模型。
The finite element model of the machine was setup by using FEM software ANSYS, and modal analysis was carried out.
采用有限元分析软件ANSYS建立TGK46100的有限元模型，并进行整机模态分析。
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