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A Simple Vibration Analysis for Running Boards and Other Attached Components

[+] Author Affiliations
Shaun Richmond

Trinity Rail

Paper No. IMECE2004-59077, pp. 7-13; 7 pages
  • ASME 2004 International Mechanical Engineering Congress and Exposition
  • Rail Transportation
  • Anaheim, California, USA, November 13 – 19, 2004
  • Conference Sponsors: Rail Transportation Division
  • ISBN: 0-7918-4719-5 | eISBN: 0-7918-4178-2, 0-7918-4179-0, 0-7918-4180-4
  • Copyright © 2004 by ASME


Vibration of attached components such as running boards, hand grabs, brake components, etc. has become a serious problem. This paper sets out a simple analysis method for ensuring the survival of these components. A simple mass spring model is used to develop a transfer function into the car body. The frequency components of a wheel flat and 39/33 foot jointed track are then established and the excitation amplitudes for components attached to the car body calculated. The response of these components at their natural frequency is then used to calculate their resulting stress levels. Simple methods for performing this analysis are described

Copyright © 2004 by ASME



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