| 民用飞机发动机吊挂部段静力试验与静强度分析 |
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| 引用本文： | 李卫平,谭伟,薛彩军,聂宏.民用飞机发动机吊挂部段静力试验与静强度分析[J].南京航空航天大学学报,2011,43(6). |
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| 作者姓名： | 李卫平 谭伟 薛彩军 聂宏 |
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| 作者单位： | 1. 中国商飞上海飞机设计研究院,上海,200232
2. 南京航空航天大学航空宇航学院,南京,210016 |
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| 摘 要： | 根据民用飞机发动机吊挂部段静力试验技术需求,研制了一套用于吊挂部段静力试验的试验系统,解决了吊挂支持模拟、加载边界模拟等关键技术,完成了吊挂应急着陆、航向侧移两种危险工况试验,并结合试验台架-吊挂有限元分析模型对吊挂进行了静强度分析.试验结果表明,试验系统工作稳定可靠,吊挂在应急着陆等工况下未发生有害塑性变形,其强度、刚度满足设计要求.对比显示:试验最大应力与有限元分析相对误差均小于8％,验证了分析模型的准确性.试验结果可作为民用飞机发动机吊挂部段强度性能的评定依据,有限元建模方法可应用于吊挂部段改型设计.
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| 关 键 词： | 民用飞机 发动机吊挂 静力试验 有限元模型 |
Static Test and Computational Analysis for Pylon of Airliner Engine |
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| Li Weiping
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Tan Wei
,
Xue Caijun
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Nie Hong.Static Test and Computational Analysis for Pylon of Airliner Engine[J].Journal of Nanjing University of Aeronautics & Astronautics,2011,43(6). |
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| Authors: | Li Weiping Tan Wei Xue Caijun Nie Hong |
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| Institution: | Li Weiping1,Tan Wei2,Xue Caijun2,Nie Hong2(1.Shanghai Aircraft Design and Research Institute,Commercial AircraftCorporation of China Ltd,Shanghai,200232,China,2.College of Aerospace Engineering,Nanjing University of Aeronautics & Astronautics,Nanjing,210016,China) |
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| Abstract: | A static test rig is developed for the pylon of the civil airplane based on its test specifications.Several key technologies are studied including hanging support simulation and loading boundary simulation.According to the requirement of test,two dangerous working conditions test are finished,i.e.,emergency landing test and heading lateral test.And bench-pylon finite element analysis model is built based on experimental test for the computational analysis of pylon strength.The test results show that the tes... |
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| Keywords: | civil airplane pylon static test finite element model(FEM) |
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