Statistical Models for Analysis of Fatigue Life of Long Elements
Publication: Journal of Engineering Mechanics
Volume 116, Issue 5
Abstract
The paper discusses some of the existing models for the analysis of the fatigue life of long elements and points out possible sources of error when data from lab tests or short elements is extrapolated to predict behavior in large structural components. A discussion of the assumptions leading to conservative and nonconservative results is included. Two dependent models, namely a Marshall‐Olkin and a nonstationary Poisson model, are presented and their asymptotic behavior is analyzed. The nonstationary Poisson model is demonstrated to be the most general solution of an empirical model formulated by Bogdanoff and Kozin. An illustrative example of aplication is also given, and several alternative approaches are discussed. Finally, some practical conclusions are given.
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Information
Published In
Journal of Engineering Mechanics
Volume 116 • Issue 5 • May 1990
Pages: 1036 - 1049
Copyright
Copyright © 1990 ASCE.
History
Published online: May 1, 1990
Published in print: May 1990
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