| 基于多损伤的飞机结构可靠性研究 |
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| 引用本文： | 胡建军,陈跃良,杨学峰,张勇.基于多损伤的飞机结构可靠性研究[J].飞机设计,2012(1):4-8. |
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| 作者姓名： | 胡建军 陈跃良 杨学峰 张勇 |
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| 作者单位： | 海军航空工程学院研究生管理大队;海军航空工程学院青岛分院;海军航空工程应用所 |
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| 基金项目： | 国家自然科学基金(50675221,51075394);总装十一五预研项目(51327030104) |
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| 摘 要： | 多损伤是影响老龄飞机结构完整性的重要因素之一,回顾了国内外飞机结构多损伤研究现状,介绍了多损伤应力强度因子的计算方法和多裂纹连通准则,对飞机结构多损伤裂纹扩展模型和可靠性分析进行了研究,为合理制定飞行计划,充分发挥老龄军用飞机的使用功效、保障飞行安全提供了理论基础。
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| 关 键 词： | 飞机结构 腐蚀环境 有限元 多损伤 可靠性 |
Study on Reliability of Aircraft Structure with Multiple-site Damage |
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| HU Jian-jun,CHEN Yue-liang,YANG Xue-feng,ZHANG Yong.Study on Reliability of Aircraft Structure with Multiple-site Damage[J].Aircraft Design,2012(1):4-8. |
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| Authors: | HU Jian-jun CHEN Yue-liang YANG Xue-feng ZHANG Yong |
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| Institution: | 1.Postgraduate team,Naval Aeronautical Engineering Academy,Yantai 264001,China)(2.Qingdao Branch,Naval Aeronautical Engineering Academy,Qingdao 266041,China)(3.Naval Aeronautical Engineering Application Institute,Beijing 100071,China) |
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| Abstract: | Multiple-site Damage(MSD) is one of important factors which affect structure integrity of aging aircraft;The actuality of study on MSD is reviewed;method of calculating stress intensity factors and multiple crack link-up criterion are introduced;an calculating method for MSD crack growth and an reliability analysis method are researched;the results can be used to draw up reasonable plan of make full use of aging aircraft. |
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| Keywords: | aircraft structure corrosion environment finite element MSD reliability |
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