The effect of skewness and kurtosis on the\nprobability evaluation of fatigue limit states

0479149 - ÚFM 2018 RIV US eng J - Journal Article
Kala, Z. - Omishore, A. - Seitl, Stanislav - Krejsa, M. - Kala, J.
The effect of skewness and kurtosis on the
probability evaluation of fatigue limit states.
International Journal of Mechanics. Roč. 11, č. 1 (2017), s. 166-175. ISSN 1998-4448
R&D Projects: GA ČR GA17-01589S
Institutional support: RVO:68081723
Keywords : Fatigue * Steel * Bridge * Fracture mechanics * Limit state
OECD category: Audio engineering, reliability analysis

The article presents the probabilistic analysis of the
limit state function of the fatigue resistance of a steel bridge, which is
numerically described as the total number of cycles to failure. An
example of the evaluation of the histogram of the fatigue resistance of
a steel member using the Latin Hypercube sampling method and
linear fracture mechanics based on Paris-Erdogan’s law is presented.
Probabilistic models of input variables for which the fatigue
resistance has a typical log-normal probability density function are
described. Differences between the stochastic analyses of one
member with one edge crack and the entire steel bridge are discussed.
Attention is paid in the limit state function to the effects of skewness
and kurtosis of the fatigue resistance on the time-dependent failure
probability.

Permanent Link: http://hdl.handle.net/11104/0275690