| 气密载荷下机身球面框的强度分析 |
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| 引用本文： | 赵俊辉,孙为民,童明波.气密载荷下机身球面框的强度分析[J].飞机设计,2009,29(2). |
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| 作者姓名： | 赵俊辉 孙为民 童明波 |
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| 作者单位： | 南京航空航天大学,航空宇航学院,江苏,南京,210016 |
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| 摘 要： | 采用大型有限元分析软件MSC PATRAN/NASTRAN,对某型飞机前机身球面框进行有限元建模;计算了球面框结构在纯气密载荷工况下的最大应力、应变,并对其放射辐条、球形蒙皮等进行了弯矩校核.分析结果表明球面框的设计满足强度和刚度要求,为结构设计提供了参考依据.
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| 关 键 词： | 有限元 球面框 气密载荷 强度校核 |
Analysis of Spherical Frame of Forward Fuselage under Pressurized Load Using Finite Element Method |
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| ZHAO Jun-hui,SUN Wei-min,TONG Ming-bo.Analysis of Spherical Frame of Forward Fuselage under Pressurized Load Using Finite Element Method[J].Aircraft Design,2009,29(2). |
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| Authors: | ZHAO Jun-hui SUN Wei-min TONG Ming-bo |
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| Institution: | Nanjing University of Aeronautics and Astronautics;Nanjing 210016;China |
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| Abstract: | Modeling and analyzing spherical frame of forward fuselage by Msc.Patran/Nastran program.The maximal stress and strain of structure was calculated when pressured load was applied to it.Intensity and rigidity of actinoid spokes and spherical skin was checked.The results show that the design meets requirements of strength and rigidity.It provides a reference for structure design. |
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| Keywords: | finite element spherical frame pressure load strength checking |
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