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- W2352215205 abstract "Aiming at the sonic fatigue problem of an aero-engine combustor liner structure,an effective method for predicting the fatigue life of a structure under random loadings was studied.Firstly,the probability distribution of Von Mises stress of a thin-walled structure under random loadings was studied.As a result,the representation of the peak stress probability density was given here.Based on the Miner linear theory,the method for predicting the random sonic fatigue life based on stress probability density and power spectral density was proposed,and the model for fatigue life prediction was constructed.As an example,an aero-engine combustor liner structure was considered.The random sonic fatigue stress was calculated using the coupled FEM and BEM method,then the fatigue life was estimated by using the constructed model.And considering the influence of a wide frequency band,the calculated results were modified.The results showed that the proposed methods are practical for the random fatigue life analysis of aeronautical thin-walled structures." @default.
- W2352215205 created "2016-06-24" @default.
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- W2352215205 date "2010-01-01" @default.
- W2352215205 modified "2023-09-25" @default.
- W2352215205 title "Random sonic fatigue life prediction based on stress probability density and power spectral density method" @default.
- W2352215205 hasPublicationYear "2010" @default.
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