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Modeling Multi-Point Wheel/Rail Contact in the Analysis of Turnout Negotiation of Multibody Railroad Vehicles
Conference proceeding   Peer reviewed

Modeling Multi-Point Wheel/Rail Contact in the Analysis of Turnout Negotiation of Multibody Railroad Vehicles

Akihiro Terao and Hiroyuki Sugiyama
Volume 11: Transportation Systems, Vol.11, pp.127-131
ASME 2012 International Mechanical Engineering Congress and Exposition, Houston, Texas, USA, Nov. 09 - 15, 2012
11/09/2012
DOI: 10.1115/IMECE2012-89722

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Abstract

In this investigation, a numerical procedure that accounts for multipoint contact for the analysis of vehicle/turnout interactions is developed. To this end, the multiple look-up contact table approach that can be used for modeling the change in the rail cross sectional shapes on turnout along the track is generalized for multipoint contact scenarios. The numerical results are compared with those of the online constraint/elastic contact approach for the analysis of curve negotiation first, and then it is demonstrated that the numerical procedure developed in this investigation can be used for predicting the multipoint contact between the wheel and rail for the analysis of vehicle/turnout interactions.

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