Abstract
Squats are rather complex failure mechanisms in rails and challenge railway operators all over the world, thus calling for a detailed investigation of squats by means of finite element analysis to locate the initiation and propagating mechanisms. In this work, a cyclic three-dimensional (3D) finite element model of a wheel-rail contact including an initial penny-shaped defect is used. This work presents the implementation of the starting penny-shaped crack in the rail for a wheel-rail simulation by utilising a submodel strategy. Moreover, viable evaluation options are shown. In the future, this set-up will help to assess multiple crack positions and possible squat growth mechanisms.
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 406-413 |
| Seitenumfang | 8 |
| Fachzeitschrift | Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit |
| Jahrgang | 238.2024 |
| Ausgabenummer | 4 |
| DOIs | |
| Publikationsstatus | Elektronische Veröffentlichung vor Drucklegung. - 29 Apr. 2024 |
Bibliographische Notiz
Funding Information:The authors gratefully acknowledge the financial support under the scope of the COMET program within the K2 Center “Integrated Computational Material, Process and Product Engineering (IC-MPPE)” (Project No 886385). This program is supported by the Austrian Federal Ministries for Climate Action, Environment, Energy, Mobility, Innovation and Technology (BMK) and for Labour and Economy (BMAW), represented by the Austrian Research Promotion Agency (FFG), and the federal states of Styria, Upper Austria and Tyrol.
Funding Information:
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the FFG Project No 886385 (IC-MPPE).
Publisher Copyright:
© IMechE 2023.
Schlagwörter
- initial surface cracks in rails
- three-dimensional rollover simulation