Prediction of rail corrugation using a rotating flexible wheelset coupled with a flexible track model and a non-Hertzian/non-steady contact model

被引:56
作者
Baeza, Luis [2 ]
Vila, Paloma [2 ]
Xie, Gang [1 ]
Iwnicki, Simon D. [1 ]
机构
[1] Manchester Metropolitan Univ, Dept Engn & Technol, Rail Technol Unit, Manchester M1 5GD, Lancs, England
[2] Univ Politecn Valencia, Ctr Invest Tecnol Vehiculos, Valencia 46022, Spain
基金
英国工程与自然科学研究理事会;
关键词
DEPENDENT CREEP COEFFICIENTS; ROUGHNESS GROWTH; LINEAR-MODEL; DYNAMICS; WEAR; SIMULATION;
D O I
10.1016/j.jsv.2011.03.032
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
This paper presents a model for simulating vehicle-track interaction at high frequencies for investigations of rail roughness growth. The dynamic interaction model developed employs a substructuring technique and the whole system consists of a number of substructures that can be modelled independently. The systems are coupled through the forces at the wheel-rail contact and the railpad. A coupled, rotating flexible wheelset, a flexible track model and a non-Hertzian/non-steady contact model have been implemented and results are presented here for a free wheelset on a symmetrical track system with initial random and sinusoidal roughness. Both rigid and flexible wheelsets are considered. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:4493 / 4507
页数:15
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