MATEC Web of Conferences
Volume 61, 2016The International Seminar on Applied Physics, Optoelectronics and Photonics (APOP 2016)
|Number of page(s)||3|
|Section||Chapter 5 Materials Science|
|Published online||28 June 2016|
Fatigue Crack Growth Under Random Overloads with Retardation
School of Civil Engineering and Architecture, Wuhan Polytechnic University, Wuhan 430023, P. R. China
Corresponding author: firstname.lastname@example.org
A Monte Carlo simulation scheme is presented to study the behavior of fatigue crack propagation under random overloads. Overloads of Poisson flow with uniform distribution on base-line constant-amplitude cyclic loads are considered. The retardation effect of overload on fatigue crack growth is taken into account by using Wheeler retardation model. The fatigue crack growth curve from initial crack size till fatigue fracture is simulated step by step. With the large number of the simulated samples, the average fatigue crack propagation life is obtained and the influences of overload intensity and magnitude on fatigue lifetime are studied.
© Owned by the authors, published by EDP Sciences, 2016
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