In this paper, a stiffness-based model is initially assessed for fatigue damage analysis of composite structures. The model is evaluated with three sets of experimental data. A residual strength model is coupled to the choice model and a modified model is developed. Numerical results show that the modified model leads to improvement of predicted fatigue lives for two-stage loadings. To determine the variations of the predicted fatigue lives, probabilistic assessment is done by Monte-Carlo simulation. Normal distribution is fitted with good agreement to the histogram and empirical CDF of the numerical life predictions.
Probabilistic Assessment of Fatigue Life in Fiber Reinforced Composites
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Shiri, S, Pourgol-Mohammad, M, & Yazdani, M. "Probabilistic Assessment of Fatigue Life in Fiber Reinforced Composites." Proceedings of the ASME 2014 International Mechanical Engineering Congress and Exposition. Volume 14: Emerging Technologies; Engineering Management, Safety, Ethics, Society, and Education; Materials: Genetics to Structures. Montreal, Quebec, Canada. November 14–20, 2014. V014T08A018. ASME. https://doi.org/10.1115/IMECE2014-37434
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