Effect of Increasing Speed on Stress of Biaxial Bogie Frames
Mohammad Zehsaz, Farid Vakili Tahami, Ali Ziaei Asl, Fatemeh Ahmadian
DOI: 10.4236/eng.2011.33032   PDF    HTML   XML   7,941 Downloads   14,768 Views   Citations


Increasing the trains’ speed has always been one of the goals of any railway industry and train manufacturers. Also, the influence of the train speed on bogie’s dynamics has an immense importance. Therefore, it is important to analyze the effect of train speed on the stress distribution in different parts of train structure. In this study the result of the increasing speed on the applied stresses of a biaxial bogie frame has been examined. For this purpose, a biaxial bogie frame has been modeled using finite element analysis. Static and dynamic forces applied on the bogie with biaxial frame have been obtained for different speeds and rail roughness. The Von Mises stresses are adopted as equivalent stresses in the strength calculation. The results show that maximum stress always has been induced in the bogie bowl also the increase in bogie’s speed has remarkable effect on the increment of applied stresses in the bogie frame.

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M. Zehsaz, F. Tahami, A. Asl and F. Ahmadian, "Effect of Increasing Speed on Stress of Biaxial Bogie Frames," Engineering, Vol. 3 No. 3, 2011, pp. 276-284. doi: 10.4236/eng.2011.33032.

Conflicts of Interest

The authors declare no conflicts of interest.


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