Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway

Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway

As a main part of continuously welded rail track, rail weld widely exists in high-speed railway. However, short-wave irregularities can easily initiate and develop in rail weld due to the limitation of welding technology and thus rail weld has been a main high-frequency excitation and is responsible...

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Main Authors: Boyang An, Ping Wang, Jieling Xiao, Jingmang Xu, Rong Chen
Format: Article
Language:English
Published: Hindawi Limited 2017-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.1155/2017/5634726
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spelling doaj-54c7c92b872948cebc57167bf86bc8c12020-11-24T23:37:45ZengHindawi LimitedShock and Vibration1070-96221875-92032017-01-01201710.1155/2017/56347265634726Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed RailwayBoyang An0Ping Wang1Jieling Xiao2Jingmang Xu3Rong Chen4MOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaMOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaMOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaMOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaMOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, ChinaAs a main part of continuously welded rail track, rail weld widely exists in high-speed railway. However, short-wave irregularities can easily initiate and develop in rail weld due to the limitation of welding technology and thus rail weld has been a main high-frequency excitation and is responsible for deterioration of track components. This work reports a 3D finite element model of wheel-rail rolling contact which can simulate dynamic wheel-rail interaction at arbitrary contact geometry up to 400 km/h. This model is employed to investigate dynamic response of wheel-rail interaction at theoretical and measured rail weld, including wheel-rail force and axle-box acceleration. These simulation results, combined with Quality Index (QI) method, are used to develop a quantitative expression, which can be easily applied for evaluating rail weld deterioration based on measured rail profiles and axle-box acceleration.http://dx.doi.org/10.1155/2017/5634726
collection DOAJ
language English
format Article
sources DOAJ
author Boyang An
Ping Wang
Jieling Xiao
Jingmang Xu
Rong Chen
spellingShingle Boyang An
Ping Wang
Jieling Xiao
Jingmang Xu
Rong Chen
Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
Shock and Vibration
author_facet Boyang An
Ping Wang
Jieling Xiao
Jingmang Xu
Rong Chen
author_sort Boyang An
title Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
title_short Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
title_full Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
title_fullStr Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
title_full_unstemmed Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
title_sort dynamic response of wheel-rail interaction at rail weld in high-speed railway
publisher Hindawi Limited
series Shock and Vibration
issn 1070-9622
1875-9203
publishDate 2017-01-01
description As a main part of continuously welded rail track, rail weld widely exists in high-speed railway. However, short-wave irregularities can easily initiate and develop in rail weld due to the limitation of welding technology and thus rail weld has been a main high-frequency excitation and is responsible for deterioration of track components. This work reports a 3D finite element model of wheel-rail rolling contact which can simulate dynamic wheel-rail interaction at arbitrary contact geometry up to 400 km/h. This model is employed to investigate dynamic response of wheel-rail interaction at theoretical and measured rail weld, including wheel-rail force and axle-box acceleration. These simulation results, combined with Quality Index (QI) method, are used to develop a quantitative expression, which can be easily applied for evaluating rail weld deterioration based on measured rail profiles and axle-box acceleration.
url http://dx.doi.org/10.1155/2017/5634726
work_keys_str_mv AT boyangan dynamicresponseofwheelrailinteractionatrailweldinhighspeedrailway
AT pingwang dynamicresponseofwheelrailinteractionatrailweldinhighspeedrailway
AT jielingxiao dynamicresponseofwheelrailinteractionatrailweldinhighspeedrailway
AT jingmangxu dynamicresponseofwheelrailinteractionatrailweldinhighspeedrailway
AT rongchen dynamicresponseofwheelrailinteractionatrailweldinhighspeedrailway
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