| 基于FEA的某真空容器封头结构的强度评定 |
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| 引用本文： | 祁 妍,高永新,刘波涛.基于FEA的某真空容器封头结构的强度评定[J].航天器环境工程,2008,25(1):64-67. |
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| 作者姓名： | 祁 妍 高永新 刘波涛 |
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| 作者单位： | 北京卫星环境工程研究所,北京,100094 |
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| 摘 要： | 封头是真空容器的重要组成部分,文章采用有限元法建立了某大型立式真空容器封头与圆筒体连接段的模型,利用ANSYS分析软件对球冠形封头与筒体的几种连接方案作了系列计算,并进行了应力分类及强度评定。在满足设计要求的情况下从几个改进方案中找出优化设计结构,提高了结构设计质量。有限元分析结果为封头的结构设计与制造提供了理论依据与技术支持。
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| 关 键 词： | 封头 有限元分析 应力分析 强度评定 |
| 文章编号： | 1673-1379(2008)01-0064-04 |
| 收稿时间： | 2007/9/19 0:00:00 |
| 修稿时间： | 2007年9月19日 |
Strength evaluation of the head of a vacuum vessel based on finite element analysis |
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| Qi Yan,Gao Yongxin and Liu Botao.Strength evaluation of the head of a vacuum vessel based on finite element analysis[J].Spacecraft Environment Engineering,2008,25(1):64-67. |
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| Authors: | Qi Yan Gao Yongxin and Liu Botao |
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| Institution: | Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China;Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China;Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China |
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| Abstract: | In the vacuum vessel,the head is an important part. With the finite element analysis software ANSYS,the static mechanical analysis is carried out for the joint between the head and the cylinder of a 22-meter-vessel,for its strength evaluation. The optimum structure among some improved designs is found,with better quality of structures. The results of the finite element analysis provide a theoretical and technological support for the structure design and production. |
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| Keywords: | head finite element analysis stress analysis intensity assess |
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