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2024 | OriginalPaper | Chapter

Effect of Crack Length, Depth, and Location on Natural Frequencies of Railway Track

Authors : Aidie Zeid Muhammad, Mohd Arif Mat Norman, Mazian Mohammad, Azmale Amzah

Published in: Intelligent Manufacturing and Mechatronics

Publisher: Springer Nature Singapore

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Abstract

Damages such as a crack location and length in a vibrating component might cause catastrophic failures. The existence of cracks alters the physical properties of a structure, which alters its dynamic response characteristics. As a result, there is a need to comprehend the dynamics of cracked structures. Natural frequency analysis on railway rails has recently gained popularity as a method for identifying vibrational modes. However, studies on the impact of crack length, depth, and position on railway tracks have not yet been fully understood. This paper aims to investigate the effect of crack length, depth, and location on natural frequencies of railway track. For the model simulation, the most commonly used parameters adopted by the Malaysian Railways track is the UIC60 type of rail profile cross section has been selected for analysis. Free vibration analysis was developed using Finite Element Analysis (ANSYS) to evaluate the effect of various crack locations for 45 and 50 mm crack length on natural frequencies of railway track. To establish the precise finite element model for free vibration analysis of railway track, convergence analysis and numerical verification were conducted. The present numerical simulation results were in good agreement with experimental modal results. The findings demonstrated that mode shapes of vibrations were slightly different when changing the location of crack with crack length had been designed 45 and 50 mm. In general, this study has made important contributions to understanding the effect of crack length, depth, and location on natural frequencies of railway track.

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Literature
2.
go back to reference Moazam MHMA (2017) Residual stresses measurement in UIC 60 rail by ring-core method and sectioning technique Moazam MHMA (2017) Residual stresses measurement in UIC 60 rail by ring-core method and sectioning technique
25.
go back to reference Abdullah AZM, Norman MAM (2023) Predicting the crack location and crack depth of steel rail due to vibration using artificial neural networks (ANN). AIP Conf Proc 2625(1):040001CrossRef Abdullah AZM, Norman MAM (2023) Predicting the crack location and crack depth of steel rail due to vibration using artificial neural networks (ANN). AIP Conf Proc 2625(1):040001CrossRef
Metadata
Title
Effect of Crack Length, Depth, and Location on Natural Frequencies of Railway Track
Authors
Aidie Zeid Muhammad
Mohd Arif Mat Norman
Mazian Mohammad
Azmale Amzah
Copyright Year
2024
Publisher
Springer Nature Singapore
DOI
https://doi.org/10.1007/978-981-99-8819-8_3

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