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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:WANG Wei,LI Gui-xian.Simulation on derailment base on a new wheel-rail contact method[J].Journal of Harbin Institute Of Technology(New Series),2011,18(1):1-5.DOI:10.11916/j.issn.1005-9113.2011.01.001.
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Simulation on derailment base on a new wheel-rail contact method
Author NameAffiliation
WANG Wei School of Mechanical Engineering,Harbin Institute of Technology,Harbin 150001,China
School of Mechatronics Engineering,University of Electronic Science and Technology of China,Chengdu 610054,China 
LI Gui-xian School of Mechanical Engineering,Harbin Institute of Technology,Harbin 150001,China 
Abstract:
The simulation package for special research on derailment of high speed vehicle is established.The process of derailment is different from other behaviors of vehicle dynamics because of large lateral displacement of wheelsets.To get correct results,a new fast algorithm to computing contact force is adopted and the exact geometry analysis is necessary to judge derailment happened.Variation of contact condition and coefficient of friction with speeds are also considered into vehicle-track coupled model.The structure of the package is presented in detail.The results are particular emphasis on investigation influence of maximum track defect,critical vehicle speed and various contact condition on derailment.The simulation can also be used to define the most risk factor leading to derailment.
Key words:  simulation  high speed vehicle  vehicle dynamics  derailment  wheel-rail contact
DOI：10.11916/j.issn.1005-9113.2011.01.001
Clc Number:U298
Fund:

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