Journal ArticleDOI
A modified model for the estimation of fatigue life derived from random vibration theory
H.Y Liou,W.F. Wu,Chow-Shing Shin +2 more
TLDR
In this article, the fundamental stress-life cycle relationship and an accumulation rule are given, and several formulas are derived to estimate the fatigue damage or fatigue life of a component when a component is subjected to variable-amplitude loading.About:
This article is published in Probabilistic Engineering Mechanics.The article was published on 1999-07-01. It has received 33 citations till now. The article focuses on the topics: Vibration fatigue & Random vibration.read more
Citations
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Journal ArticleDOI
Bump Extraction Algorithm for Variable Amplitude Fatigue Loading
TL;DR: In this paper, a wavelet bump extraction (WBE) algorithm is used to extract fatigue damaging events or bumps in the record that cause the majority of the fatigue damage, whilst preserving the load cycle sequences.
Journal ArticleDOI
On the fatigue reliability evaluation of structural components under service loading
TL;DR: In this article, a methodology for assessing the reliability of structural details under random fatigue loading is analyzed, which combines the loading spectra, obtained by the new approach, and the constant-amplitude fatigue strength modelled by means of a conventional log-normal distribution.
Journal ArticleDOI
Reliability analysis of fatigue crack growth for rail steel under variable amplitude service loading conditions and wear
TL;DR: In this article, the effect of variable amplitude service loading conditions and wear phenomenon on reliability analysis for rail steel was investigated, where the rail with the exact geometry of the profile in the railway systems and the boundary element method has been used.
Journal ArticleDOI
Fatigue reliability assessment of riveted lap joint of aircraft structures
TL;DR: In this paper, the fatigue reliability of rivet lap joints of aircraft structures based on a fast reliability approach using a newly developed detail fatigue rating method has been analyzed using a series model.
Journal ArticleDOI
Comparative research on the accumulative damage rules under multiaxial block loading spectrum for 2024-T4 aluminum alloy
Tian-xiang Xia,Weixing Yao +1 more
TL;DR: In this paper, different multiaxial multi-block loading and random block loading spectra were used to conduct variable amplitude fatigue tests on 2024-T4 aluminum alloy, and five accumulative damage models were introduced and the critical damages given by these models were compared with the experimental results.
References
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Book
An Introduction to Random Vibrations, Spectral and Wavelet Analysis
TL;DR: In this paper, the authors introduce the idea of joint probability distributions and average for linear systems and their response to random vibrational signals. But they do not discuss the relationship between these distributions and the average.
Book
Failure of materials in mechanical design
Jack A. Collins,C. O. Smith +1 more
Abstract: Failure of metals still exists in our midst. This problem has been around for many a year and yet no full explanation exists. We have made great strides in understanding its many component parts but the path is still strewn with a number of obstacles. Fatigue consists of a number of different facets which require a combined effort of analysis and experimentation. This unique book covers a number of different members of the fatigue family and goes into detail on a number of them. The book consists of 17 chapters, each chock full of information. The initial chapter considers the role of failure prevention in mechanical design and provides some of the prime design objectives. Chapter 2 discusses the various modes of mechanical failure. Chapter 3 is the heart of the book and treats the strength and deformation of engineering materials. This includes elastic and plastic response, fracture and a good section on dislocation theory. The author touches upon elastic fracture and elasto-plastic fracture mechanics. No mention is made of J integral which is an important aspect of plastic fracture mechanics. Chapter 4 treats state of stress and various parts making up this important concept. Chapter 5 focusses upon relationships between stress and strain. The author illustrates the relationships between elastic and plastic stress-strain. The author then spends time in developing the combined stress theories of failure. This includes the maximum normal stress theory, Tresca-Guest theory, Beltrami theory, VonMises Hencky (distortion energy) theory and Mohr's failure theory. This is a very well "put-together" chapter, concise but informative. Chapter 7, the most lengthiest, treats high cycle fatigue. Beginning with the nature of fatigue and fatigue loading, it progresses to S/N relationships and the various factors which affect the S/N curves. This includes geometrical considerations, size effects, residual stress effects with brief mention of corrosion and fretting. We next delve into nonzero mean stress and multiaxial fatigue stresses. The chapter concludes with the uses of the various components of multiaxial fatigue stresses as applied to fatigue stresses. This is an excellent chapter and should be read by all concerned parties.
Related Papers (5)
Cumulative fatigue damage and life prediction theories: a survey of the state of the art for homogeneous materials
Ali Fatemi,Linsheng Yang +1 more