Abstract
A probabilistic method to predict macrocrack initiation due to fatigue damage is presented in this paper. Acoustic non-linearity is used to quantify pre-macrocrack initiation damage. This data is then used in a probabilistic analysis of fatigue damage. The probabilistic fatigue damage analysis consists of a suitably chosen damage evolution equation to model accumulated damage coupled with a procedure to calculate the probability of macrocrack initiation. The probability of macrocrack initiation is evaluated using the Monte Carlo Method with Importance Sampling. Numerical results for the probabilistic assessment of fatigue damage for a sample problem are presented and compared with experimental results.
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Kulkarni, S.S., Sun, L., Moran, B. et al. A Probabilistic Method to Predict Fatigue Crack Initiation. Int J Fract 137, 9–17 (2006). https://doi.org/10.1007/s10704-005-3074-0
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DOI: https://doi.org/10.1007/s10704-005-3074-0