Bibliographic Details
| Title: |
Numerical analysis for coupled train considering 3D wheel/rail contact geometry. |
| Authors: |
Nakano, Natsumi1 natsumi.nakano79@gmail.com, Terumichi, Yoshiaki2 |
| Source: |
Journal of Mechanical Science & Technology. Jul2015, Vol. 29 Issue 7, p2677-2683. 7p. |
| Subjects: |
Railroad trains, Multibody systems, Numerical analysis, Eigenvalues, Computer simulation, Electronic linearization |
| Abstract: |
The purpose of this study is to propose a coupled train model with a multibody system considering three-dimensional wheel/rail contact geometry and to assess the safety of high-speed railway vehicles. Railway vehicles are becoming lighter and are running at increased speeds, so it is necessary to discuss their safety when subjected to a crosswind. In this paper, we use the proposed model in a situation presupposing strong crosswinds in order to analyze the behavior of coupled trains under this condition. We discuss the modeling and formulation of a coupled train as well as wheel unloading ratios. Our results show that vibration of a car body is largest in the wheel unloading ratios of the car body when the frequency of the car body is close to the second-mode natural frequency of the vehicle system. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
