ANALYSIS OF HIGH-SPEED RAIL ACCOUNTING FOR JUMPING WHEEL PHENOMENON

被引：29

作者：

Ang, Kok Keng ^{[1
]}

Dai, Jian ^{[1
]}

Minh Thi Tran ^{[1
]}

Van Hai Luong ^{[2
]}

机构：

[1] Natl Univ Singapore, Dept Civil & Environm Engn, Singapore 117548, Singapore

[2] Ho Chi Minh City Univ Technol, Dept Civil Engn, Ho Chi Minh City, Vietnam

来源：

INTERNATIONAL JOURNAL OF COMPUTATIONAL METHODS | 2014年 / 11卷 / 03期

关键词：

Moving element method; track transition; wheel-rail interaction; track irregularity; DYNAMIC-RESPONSE; TRACK; SYSTEM; TRAIN;

D O I：

10.1142/S021987621343007X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a computational study using the moving element method (MEM) was carried out to investigate the dynamic response of a high-speed train track system. Results obtained using Hertz contact model and linearized Hertz contact model are compared and discussed. The dynamic responses of a train travelling across a uniform foundation and a transition region are also investigated. Parametric study is performed to understand the effect of various factors on the occurrence and patterns of the jumping wheel phenomenon such as the variation of foundation stiffness, travelling speed of the train and the severity of railhead roughness.

引用

页数：12

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