Aiming at potential problems, the structure dynamic modification is made by means of sensitivity analysis.
同时针对结构存在的问题，通过灵敏度分析对结构的动力修改提出了改进意见。
The structural dynamic characteristic sensitivity is widely applied to modification of the dynamic structure and the diagnose trouble.
结构动特性灵敏度在动力学结构修改和故障诊断中被广泛地应用。
An optimization model for low noise design of an automobile body structure is developed based on the dynamic substructure modification method.
在动态子结构修改方法的基础上，建立了车身结构的低噪声优化设计模型。
Various modifications of the structure are analyzed. The optimal modification of them is chosen according to the calculated dynamic frequencies.
对多种结构修改方案计算求得了它们的各阶动频，从中选定了最佳的排振修改方案。
So structure parameters are needed to modify. This paper provides a good idea and effective methods based on the theory of structural dynamic modification to solve the problem.
本文基于结构动力修改，提供了修改的思路和方法：通过刘叠片联轴器联结的结构进行分析，利用有限元方法建立系统的力学模型以及系统扭转振动微分方程。
So structure parameters are needed to modify. This paper provides a good idea and effective methods based on the theory of structural dynamic modification to solve the problem.
本文基于结构动力修改，提供了修改的思路和方法：通过刘叠片联轴器联结的结构进行分析，利用有限元方法建立系统的力学模型以及系统扭转振动微分方程。
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