When the EMU running through the tunnel with high speed, especially for EMU of Wuhan-Guangzhou line. In addition to mechanical load, the aerodynamic loads of the body fatigue damage should not be ignored, and it will be enough ability against fatigue or not is a very important issue. In this paper, a new method of Fatigue life assessment takes into account aerodynamic loads was proposed. The contents of this paper are introduce the parallel computing platform based on aerodynamics simulation tunnel firstly, then calculation the structure dynamic stress response based on fluid - solid coupled was discussed. And then Master S-N Curve Method Based on Fatigue Damage and how to define and obtain the structural stress that could present the stress concentration on the weld, and how to define and obtain the equivalent structural stress that could be used to calculate the fatigue life on the weld are presented. Finally two engineering examples, including how to create such calculating mode are presented in this paper to testify its special application value for against fatigue design in High Speed Train.


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    Titel :

    The Research on Fatigue Damage due to Tunnel Aerodymical Load Acting on the Body of High-Speed Train


    Weitere Titelangaben:

    Lect. Notes Electrical Eng.


    Beteiligte:
    Ni, Yi-Qing (Herausgeber:in) / Ye, Xiao-Wei (Herausgeber:in) / Wang, Y. D. (Autor:in) / Cai, X. Y. (Autor:in) / Zhao, Wenzhong (Autor:in) / Chen, Bingzhi (Autor:in)


    Erscheinungsdatum :

    2012-01-01


    Format / Umfang :

    9 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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