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http://dx.doi.org/10.3795/KSME-A.2011.35.4.341

Ride Comfort Analysis of High-Speed Train with Flexible Car Bodies  

Shin, Bum-Sik (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Choi, Yeon-Sun (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Koo, Ja-Choon (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Lee, Sang-Won (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
Lee, Sung-Il (Dept. of Rolling Stick Mechanical Engineering, Korea Nat'l Railroad College Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.35, no.4, 2011 , pp. 341-346 More about this Journal
Abstract
In the development of high-speed trains, ride comfort is an important factor that determines the quality of the train. In this study, the ride comforts of high-speed trains with rigid and flexible car bodies were evaluated. The rail irregularity is used as an exciting source of the car-body bounce motion. The complex extruded structures of the car-body are modeled as shell structures using the calculated equivalent stiffness of the flexible model. The numerical results show that the ride of the rigid-body model improves as the speed increases, which is unreasonable. In contrast, the relationship between ride comfort and speed in the case of flexible-body model is reasonable. Thus, it is confirmed that the flexibility of the car body needs to be taken into consideration while fabricating a high-speed train.
Keywords
Ride Comfort; High-Speed Train; Flexible Car-Body; Rail Irregularity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
연도 인용수 순위
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