| 基于子结构法的航空结构件动态特性快速分析 |
| |
| 引用本文： | 张洪伟,张以都,赵晓慈,吴琼.基于子结构法的航空结构件动态特性快速分析[J].辽宁工程技术大学学报(自然科学版),2008,27(6). |
| |
| 作者姓名： | 张洪伟 张以都 赵晓慈 吴琼 |
| |
| 作者单位： | 北京航空航天大学,机械工程及自动化学院,北京,100191 |
| |
| 基金项目： | 航空"十五"支撑技术基金资助项目
|
| |
| 摘 要： | 为实现航空整体结构件不同加工阶段的动态特性快速分析,将工件按等效原则简化为若干标准特征子结构,进行参数化建模,采用子结构模态综合法进行航空整体结构件的动态特性研究,讨论了其基本原理并介绍了工程实现方法.选取典型航空结构件,实现其动态特性的快速分析.结果表明,工件子结构划分原则准确有效,利用模态综合法可提高计算效率,并保证良好的精度.
|
| 关 键 词： | 子结构 模态综合法 航空整体结构件 动态特性 |
Rapid analysis of dynamic characteristics of aeronautical components based on modal synthesis of substructure |
| |
| ZHANG Hongwei,ZHANG Yidu,ZHAO Xiaoci,WU Qiong.Rapid analysis of dynamic characteristics of aeronautical components based on modal synthesis of substructure[J].Journal of Liaoning Technical University (Natural Science Edition),2008,27(6). |
| |
| Authors: | ZHANG Hongwei ZHANG Yidu ZHAO Xiaoci WU Qiong |
| |
| Institution: | ZHANG Hongwei ZHANG Yidu ZHAO Xiaoci WU Qiong(School of Mechanical Engineering&Automation,Beihang University,Beijing 100191,China) |
| |
| Abstract: | In order to realize the rapid analysis of dynamic characteristics in different machining phases and improve calculation efficiency,the structures were divided into different substructure according to equivalent principle.The parametric finite element model of substructure was established.The modal synthesis of substructure and its engineering implementation are introduced.The dynamic characteristics of selected representative aeronautical structure were rapidly gained by using the modal synthesis method bas... |
| |
| Keywords: | substructure modal synthesis method aeronautical monolithic component dynamic Characteristics |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
