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The effect of track irregularity and wheel load on the dynamic response of a high-speed rail system

Author

Listed:
  • Tran Minh Thi

    (Department of Civil Engineering, National University of Singapore, Vietnam)

  • Kok K Ang

    (Department of Civil Engineering, National University of Singapore)

  • Luong Van Hai

    (Faculty of Civil Engineering, Ho Chi Minh City University of Technology, VNU HCMC, Vietnam)

Abstract

In this paper, a computational study using the moving element method (MEM) was carried out to investigate the dynamic response of a high-speed rail (HSR). A new formulation for calculating the structural matrices of the moving element is proposed. Two wheel-rail contact problems will be examined. One is linear and the other nonlinear. A parametric study is carried out to understand the effects of various factors on the response of the train-track system such as the severity of railhead roughness and the wheel load. In particular, the effect of above factors on the occurrence of the jumping wheel phenomenon, which occurs when there is a momentary loss of contact between the wheel and track, is considered.

Suggested Citation

  • Tran Minh Thi & Kok K Ang & Luong Van Hai, 2013. "The effect of track irregularity and wheel load on the dynamic response of a high-speed rail system," HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY, HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE, HO CHI MINH CITY OPEN UNIVERSITY, vol. 3(1), pages 80-93.
    • Handle: RePEc:bjw:techen:v:3:y:2013:i:1:p:80-93
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