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- W3151705391 abstract "High-speed bogie frame is a key mechanical component in a train system. The reliability analysis of the bogie is necessary to the safety of high-speed train. Reliability analysis of a bogie frame was considered. The equivalent load method was employed to account for random repeated loads in structural reliability analysis. Degradation of material strength was regarded as a Gamma process. The probabilistic perturbation method was, then, employed for response moment computation. Example of a high-speed train bogie structure under time-variant load was employed for reliability and sensitivity analyses. Monte-Carlo simulation verifies the accuracy and efficiency of the proposed method in time-variant reliability analysis. The analysis results show that the reliability calculation considering the strength degradation and repeated load is closer to the practicality than the method of considering reliability calculation only. Its decreasing velocity is faster than the traditional reliability. The reliability sensitivity value changes over time. The analysis results provide a variation trend of reliability and sensitivity to design and usage of bogie frame." @default.
- W3151705391 created "2021-04-13" @default.
- W3151705391 creator A5036188702 @default.
- W3151705391 date "2013-01-01" @default.
- W3151705391 modified "2023-09-28" @default.
- W3151705391 title "Reliability and sensitivity of bogie frame of high-speed train with strength degradation" @default.
- W3151705391 hasPublicationYear "2013" @default.
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