应用an - SYS对运煤敞车空车和重车进行计算模态分析。
The numerical modal analyses of the empty and full loaded open boxcar are carried out in the ANASYS software.
模态分析的矩阵摄动法在灵敏度分析和重分析中有广泛的应用。
Several perturbation methods for mode analysis were briefly summarized in this paper, some of which were widely applied in sensitivity analysis as well as reanalysis.
通过模态分析发现,浮吊结构的振型主要表现为主钩钢丝绳-吊重系统摆动和臂架振动,振动频率都很低;
Through the modal analysis, it is found that main vibration modes of floating crane structure are swing of rope-load system and vibration of boom, and the vibration frequencies are low;
在动力分析中、固有模态是十分重要的。固有模态分析的结果是多种动态行为的判据,也是进一步进行结构动力学分析的基础数据。
Inherent mode is very important in dynamical analysis, and the result of inherent mode analysis can be used as criterion of many dynamic characteristics as well as basic data of further analysis.
在动力分析中、固有模态是十分重要的。固有模态分析的结果是多种动态行为的判据,也是进一步进行结构动力学分析的基础数据。
Inherent mode is very important in dynamical analysis, and the result of inherent mode analysis can be used as criterion of many dynamic characteristics as well as basic data of further analysis.
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