 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 13653 |
| In Russian (Èçâ. ĐÀÍ. ̀̉̉): | | 8223
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| In English (Mech. Solids): | | 5430 |
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| Daoyun Chen, Weiqiang Zhu, Caiying Luo, Miao Deng, Minshi Zhong, Xinlong Liu, Wenbin Yang, and Qian Xiao, "Research on a Structural Fatigue Life Prediction Method Based on Non-Equal Interval Stress Spectra and an Improved Corten–Dolan Damage Model," Mech. Solids. 60 (8), 6705-6724 (2025) |
| Year |
2025 |
Volume |
60 |
Number |
8 |
Pages |
6705-6724 |
| DOI |
10.1134/S0025654425603118 |
| Title |
Research on a Structural Fatigue Life Prediction Method Based on Non-Equal Interval Stress Spectra and an Improved Corten–Dolan Damage Model |
| Author(s) |
Daoyun Chen (Railway Industry Key Laboratory of Intelligent Operation and Maintenance of Rolling Stock, East China Jiaotong University, Nanchang, 330013 China, chendaoyun@ecjtu.edu.cn)
Weiqiang Zhu (Railway Industry Key Laboratory of Intelligent Operation and Maintenance of Rolling Stock, East China Jiaotong University, Nanchang, 330013 China)
Caiying Luo (Railway Industry Key Laboratory of Intelligent Operation and Maintenance of Rolling Stock, East China Jiaotong University, Nanchang, 330013 China)
Miao Deng (Railway Industry Key Laboratory of Intelligent Operation and Maintenance of Rolling Stock, East China Jiaotong University, Nanchang, 330013 China)
Minshi Zhong (Railway Industry Key Laboratory of Intelligent Operation and Maintenance of Rolling Stock, East China Jiaotong University, Nanchang, 330013 China)
Xinlong Liu (Railway Industry Key Laboratory of Intelligent Operation and Maintenance of Rolling Stock, East China Jiaotong University, Nanchang, 330013 China)
Wenbin Yang (Railway Industry Key Laboratory of Intelligent Operation and Maintenance of Rolling Stock, East China Jiaotong University, Nanchang, 330013 China)
Qian Xiao (Railway Industry Key Laboratory of Intelligent Operation and Maintenance of Rolling Stock, East China Jiaotong University, Nanchang, 330013 China) |
| Abstract |
To address the lack of a clear classification basis for compiling stress spectra and the lack of
a reasonable definition of the parameters of the traditional Corten-Dolan damage model in the current process of predicting structural fatigue life, a life prediction method based on non-equal-interval
stress spectra and an improved Corten–Dolan damage model is investigated. By utilizing cluster analysis and support vector machine (SVM) theory, considering the characteristics of the stress cycle itself
for spectral compilation, and comprehensively considering the load interaction and strength degradation effect, a systematic structural fatigue life prediction method is formed. Comparison of the
obtained non-equal-interval stress spectra damage and improved Corten–Dolan model lifetimes with
those obtained via other spectral methods and those obtained via other damage models. The analytical
results confirm that the non-equal interval stress spectra and the improved Corten–Dolan damage model exhibit high accuracy. |
| Keywords |
support vector machine, cluster analysis, stress spectra compilation, improved Corten–Dolan damage model, fatigue life prediction |
| Received |
12 June 2025 | Revised |
14 November 2025 | Accepted |
15 November 2025 |
| Link to Fulltext |
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