Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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A Study on the Techniques to Evaluate Carbody Accelerations after a Train Collision

충돌 후 열차의 차체 가속도 평가 기법 연구

  • 김준우 (서울산업대학교 철도전문대학원) ;
  • 구정서 (서울산업대학교 철도전문대학원)
  • Received : 2010.02.19
  • Accepted : 2010.04.13
  • Published : 2010.05.20
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Abstract

In this study, we suggested several approaches to evaluate the collision acceleration of a carbody under the article 16 of the Korean rolling stock safety regulations. There are various methods to evaluate the rigid body accelerations such as the displacement comparison method by double integration of filtered acceleration data, the velocity comparison method by direct integration of filtered acceleration data, and the analysis method of a velocity-time curve. We compared these methods one another using the 1D dynamic simulation model of Korean high-speed EMU composed of nonlinear springs or bars, dampers, and masses. From the simulation results, the velocity-time curve analysis method and the displacement comparison method are recommended to filter high frequency oscillations and evaluate the maximum and average accelerations of a carbody after a train collision.

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References

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Cited by

  1. Collision Analysis of the Next Generation High-speed EMU Using 3D/1D Hybrid FE Model vol.20, pp.3, 2012, https://doi.org/10.7467/KSAE.2012.20.3.067