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http://dx.doi.org/10.7467/KSAE.2013.21.3.001

Collision-induced Derailment Analysis of a Finite Element Model of Rolling Stock Applying Rolling Contacts for Wheel-rail Interaction  

Lee, Junho (Department of Rolling Stock System, Seoul National University of Science and Technology)
Koo, Jeongseo (Department of Rolling Stock System, Seoul National University of Science and Technology)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.21, no.3, 2013 , pp. 1-14 More about this Journal
Abstract
In this paper, a finite element analysis technique of rolling stock models for collision-induced derailments was suggested using rolling contacts for wheel-rail interaction. The collision-induced derailments of rolling stock can be categorized into two patterns of wheel-climb and wheel-lift according to the friction direction between wheel flange and rail. The wheel-climb derailment types are classified as Climb-up, Climb/roll-over and Roll-over-C types, and the wheel-lift derailment types as Slip-up, Slip/roll-over and Roll-over-L types. To verify the rolling contact simulations for wheel-rail interaction, dynamic simulations of a single wheelset using Recurdyn of Functionbay and Ls-Dyna of LSTC were performed and compared for the 6-typical derailments. The collision-induced derailment simulation of the finite element model of KHST (Korean High Speed Train) was conducted and verified using the theoretical predictions of a simplified wheel-set model proposed for each derailment type.
Keywords
Rolling stock; Collision-induced derailments; FEM; Rolling contact; Wheel set; VTM;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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