| 航空发动机燃烧室安装座相贯线焊缝焊接模拟 |
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| 引用本文： | 汪苏,周锋,张瑛莉.航空发动机燃烧室安装座相贯线焊缝焊接模拟[J].北京航空航天大学学报,2008,34(8):986-990. |
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| 作者姓名： | 汪苏 周锋 张瑛莉 |
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| 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;北京航空航天大学,机械工程及自动化学院,北京,100191;北京航空航天大学,机械工程及自动化学院,北京,100191 |
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| 摘 要： | 针对航空发动机的关键部件之一--燃烧室安装座建立了相贯线焊接的数值分析模型.基于SYSWELD软件的焊接分析功能,运用有限元分析方法研究了燃烧室安装座相贯线焊接时引起的焊接变形,模拟了安装座相贯线焊接时的温度场、应力场、相变以及变形情况.结合整个安装座的实际工作状况对模拟结果进行了分析,同时对相贯线焊接过程中产生的变形从数学上进行了分析和探讨,得到了安装座相贯线焊接模型的变形分布及位置,为实际焊接提供了理论依据,有助于安装座焊接工艺的改进.该分析方法对焊接领域诸多类似问题的处理也有借鉴意义.
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| 关 键 词： | 有限元分析 相贯线焊接 温度场 应力场 变形 |
| 收稿时间： | 2007-07-17 |
Numerical simulation of intersection line welding in installation pedestal on aeroengine combustion chamber |
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| Wang Su,Zhou Feng,Zhang Yingli.Numerical simulation of intersection line welding in installation pedestal on aeroengine combustion chamber[J].Journal of Beijing University of Aeronautics and Astronautics,2008,34(8):986-990. |
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| Authors: | Wang Su Zhou Feng Zhang Yingli |
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| Institution: | School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
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| Abstract: | A numerical analysis modeling was created about the installation pedestal on aeroengine combustion chamber,which is one of the crucial parts of the aeroengine during the process of intersection line welding.Deformation caused by the intersection line welding at the joint between the two cylindrical shells was studied using the finite element analysis method based on SYSWELD.Temperature field,welded joint stress field,phase transition and deformation in intersection line welding on installation pedestal were... |
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| Keywords: | finite element analysis intersection line welding temperature field stress field deformation |
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