| 货车焊接结构疲劳寿命预测系统开发与关键技术 |
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| 引用本文： | 李向伟,王剑,黄永生,兆文忠,于连友. 货车焊接结构疲劳寿命预测系统开发与关键技术[J]. 中国机械工程, 2010, 0(9) |
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| 作者姓名： | 李向伟 王剑 黄永生 兆文忠 于连友 |
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| 作者单位： | 大连交通大学;齐齐哈尔轨道交通装备有限责任公司; |
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| 基金项目： | 铁道部科技研究开发计划资助项目(2009J005-C) |
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| 摘 要： | 基于AAR、BS、IIW、ASME等疲劳分析标准,研发了铁路货车焊接结构疲劳寿命预测专用软件。软件被规划为Verity法、结构应力反求法等7个核心模块,并协同网络数据库系统及通用标准支持系统,构成了软件系统的关键要素。软件中嵌套了基于网格不敏感结构应力技术和主S-N曲线数学模型的最新Verity方法;推导了基于AAR标准的反求结构应力解析式,定义了载荷作用强度及结构损伤因子的数学表达;运用SQL-Server、Access数据库及ADO技术实现了网络数据库支持。最后以钳夹车四轴焊接转向架为例,证明了该软件系统的有效性及实用性。
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| 关 键 词： | 货车设计 焊缝疲劳 Verity方法 反求推导 网络数据库 |
System Development and Research on Fatigue Life Prediction of Wagon Welded Structure |
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| Li Xiangwei, Wang Jian Huang Yongsheng Zhao Wengzhong Yu Lianyou .Dalian Jiaotong University,Dalian,Liaoning, .Qiqihar Railway Rolling Stock Co.,Ltd.,Qiqihar,Heilongjiang. System Development and Research on Fatigue Life Prediction of Wagon Welded Structure[J]. China Mechanical Engineering, 2010, 0(9) |
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| Authors: | Li Xiangwei Wang Jian Huang Yongsheng Zhao Wengzhong Yu Lianyou .Dalian Jiaotong University Dalian Liaoning .Qiqihar Railway Rolling Stock Co. Ltd. Qiqihar Heilongjiang |
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| Affiliation: | Li Xiangwei1,2 Wang Jian1 Huang Yongsheng1 Zhao Wengzhong1 Yu Lianyou2 1.Dalian Jiaotong University,Dalian,Liaoning,116028 2.Qiqihar Railway Rolling Stock Co.,Ltd.,Qiqihar,Heilongjiang,161002 |
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| Abstract: | Based on AAR,BS,IIW,ASME and other standards for fatigue analysis,a railway wagon welded structure fatigue life prediction special software was studied.The software was planned as seven core modules,such as Verity method,structural stress reverse method etc.,and the collaborative network database systems and common standards support systems were constituted key elements of the software systems.Software based on nested mesh-insensitive structural stress of technology,and mathematical model of the master S-N ... |
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| Keywords: | wagon design weld fatigue Verity method derived reverse network database |
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