Abstract
Fatigue life prediction deals with factors which can be modeled as random variables, random processes or stochastic fields. Given a probabilistic definition of these factors, the life distribution results from a reliability analysis. The advanced mean value first order (AMVFO) method was suggested to minimize the number of functions to be evaluated in the computation of the probability of failure, but it works only if all the uncertainties can be regarded as random variables. A more powerful method must be used when random processes and random fields are present; the potentialities of an extended response surface method are illustrated in this paper. The cumulative distribution function (CDF) of the number of cycles to failure is evaluated by both methods and the results are compared and discussed.
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© 1994 Springer-Verlag, Berlin Heidelberg
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Casciati, F., Colombi, P. (1994). Fatigue Lifetime Prediction for Uncertain Systems. In: Spanos, P.D., Wu, YT. (eds) Probabilistic Structural Mechanics: Advances in Structural Reliability Methods. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-85092-9_6
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DOI: https://doi.org/10.1007/978-3-642-85092-9_6
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