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Review of the development of the probabilistic damage tolerance assessment of life-limited parts in compliance with the airworthiness regulations

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Propulsion and Power Research 2023年第3期12卷 297-321页

作者： Shuiting Ding Huimin Zhou Junbo Liu Xingyu Zhang Guo Li Aircraft/Engine Integrated System Safety Beijing Key Laboratory School of Energy and Power EngineeringBeihang UniversityBeijing 100191China Civil Aviation University of China Tianjin 300300China Tianmushan Laboratory Zhejiang 311100China

Probabilistic damage tolerance is a critical method to understand and communicate risk and *** paper reviews recent research on the probabilistic damage tolerance design for life-limited *** vision of the probabilistic damage tolerance assessment is *** core parts of the probabilistic damage tolerance method are introduced separately,including the anomaly distribution,stress processing and zone definition,fatigue and fracture calculation method,probability of failure(POF)calculation method,and the combination with residual stress induced by the manufacturing *** above currently-available risk assessment methods provide practical tools for failure risk predictions and are applied by the airworthiness ***,new problems are exposed with the development of the *** time-consuming anomaly distribution derivation process restricts the development of the anomaly distribution,especially for the developing aviation industries with little empirical ***,the strong transient characteristic is prominent because of the significant temperature differences during the take-off and climbing *** complex loads then challenge the fatigue and fracture calculation ***,high computational efficiency is required because various variables are considered to calculate the ***,new technologies for the probabilistic damage tolerance assessment are provided,including the efficient anomaly distribution acquisition method based on small samples,the zone definition method considering transient process,and stress intensity factor(SIF)solutions under arbitrary stress distributions combined with the machine learning ***,an efficient numerical integration method for calculating failure risk based on the probability density evolution theory is ***,the influence of the manufacturing process on residual stress and the failure risk of the rotors is *** development of the probabi

关键词： Probabilistic damage tolerance assessment life-limited parts Aero-engine rotors Hard alpha(HA)anomaly distribution Hole feature Transient process Crack propagation Stress intensity factor(SIF)

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