有限元模型修正技术的工程应用
Engineering Application of FEM Updating Technology
从工程应用的角度讨论了有限元模型修正技术的一些关键性问题，并且提出了作者的观点；提供了一个比较成熟的、达到实际工程应用水平的修正方法的基本思路和计算过程，指出了修正技术在实际应用中可能遇到的困难及其解决途径。
In this paper, focusing on practical engineering application of Finite Element Model (FEM) updating technology, the authors discuss some key problems and bring forward their own points of view. This paper explains the basic thought and numerical method of a FEM updating approach that has achieved the level of practical engineering application. This paper also presents the difficulties in the practical engineering application of Finite Element Model (FEM) updating technology, and indicates the ways by which those difficulties can be solved.
有限元模型修正 / 实验模型 / 灵敏度分析 / 动力缩聚 / 频率 / 模态
FEM updating / test model / sensitivity / dynamic reduction / natural frequency / mode shape
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