Spectral analysis of train-rail-bridge coupling system considering frequency-dependent stiffness of rail fastening systems
學年 107
學期 2
出版（發表）日期 2019-04-01
作品名稱 Spectral analysis of train-rail-bridge coupling system considering frequency-dependent stiffness of rail fastening systems
作品名稱（其他語言）
著者 Linya Liu; Jialiang Qin; Quanmin Liu; Jong-Dar Yau; Rui Song
單位
出版者
著錄名稱、卷期、頁數 Journal of Marine Science and Technology 27(2), p.114-122
摘要 A rubber rail-pad is typically inserted between the rail and the sleeper to attenuate wheel/rail vibrations for conventional train-rail-bridge (TRB) system. For mathematical modeling, a rail-fastener with rubber pad is simplified as a spring-dashpot unit, whose spring stiffness is related to the exciting frequency of external loads. To exhibit such characteristics of rail-pads on TRB dynamics, based on dynamic flexibility method, two computational models of constant/frequency-dependent stiffness (FDS) are considered for comparison. Numerical studies reveal that the FDS model provides a strengthening benefit for the wheel-rail vibration, from which the shifted dominant frequencies in spectral response are observed.
關鍵字
語言 en
ISSN 1023-2796
期刊性質 國外
收錄於 SCI EI
產學合作
通訊作者 Jong-Dar YAU
審稿制度 是
國別 TWN
公開徵稿
出版型式 ,電子版
相關連結

機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/116906 )