| 某机载单元随机振动疲劳分析 |
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| 引用本文： | 李齐兵,敬敏,张梁娟,刘家华. 某机载单元随机振动疲劳分析[J]. 电子机械工程, 2018, 34(6): 32-35 |
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| 作者姓名： | 李齐兵 敬敏 张梁娟 刘家华 |
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| 作者单位： | 南京电子技术研究所,中国人民解放军驻中国电子科技集团公司第十四研究所军事代表室,南京电子技术研究所,南京电子技术研究所 |
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| 摘 要： | 为了解决机载单元结构振动疲劳和耐久性问题,文中阐述了随机振动疲劳寿命频域分析法和Miner 线性损伤理论,并基于随机振动疲劳寿命频域分析法,使用nCode DesignLife 软件对某机载单元进行了随机振动疲劳仿真分析,验证了该机载单元结构在随机振动激励下的可靠性,可为机载产品的随机振动疲劳分析提供指导。
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| 关 键 词： | 随机振动 疲劳分析 频域法 时域法 |
Random Vibration Fatigue Life Analysis of an Airborne Unit |
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| LI Qi-bing,JING Min,ZHANG Liang-juan and LIU Jia-hua. Random Vibration Fatigue Life Analysis of an Airborne Unit[J]. Electro-Mechanical Engineering, 2018, 34(6): 32-35 |
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| Authors: | LI Qi-bing JING Min ZHANG Liang-juan LIU Jia-hua |
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| Affiliation: | Nanjing Research Institute of Electronics Technology,Military Representative Office in the 14th Research Institute of CETC,Nanjing Research Institute of Electronics Technology and Nanjing Research Institute of Electronics Technology |
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| Abstract: | To solve the problem of random vibration fatigue and durability of the airborne unit, the random vibration frequency domain analysis methods and Miner linear cumulative damage theory are described. Random vibration fatigue simulation analysis of an airborne unit is carried out by nCode DesignLife software based on frequency domain analysis methods, which verifies the reliability of the airborne unit in the random vibration.It can provide guidance for the random vibration fatigue life analysis of similar products. |
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| Keywords: | random vibration fatigue life analysis frequency domain analysis method time domain analysis method |
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