Journal ArticleDOI
Determination of approximate point load weight functions for embedded elliptical cracks
Xin Wang,Grzegorz Glinka +1 more
TLDR
In this paper, a general mathematical form of point load weight function is proposed based on the properties of weight functions and the available weight functions for two-dimensional cracks for the calculation of stress intensity factors in embedded elliptical cracks.About:
This article is published in International Journal of Fatigue.The article was published on 2009-11-01. It has received 35 citations till now. The article focuses on the topics: Stress concentration & Stress intensity factor.read more
Citations
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Journal ArticleDOI
Fatigue life evaluation of welded joints in steel bridge considering residual stress
TL;DR: In this paper, a fatigue life prediction model based on the elastic fracture mechanics, with consideration of the residual stresses and residual stresses relaxation (WRSR), is presented. But the model is not suitable for the case of steel truss bridges.
Journal ArticleDOI
General point load weight function for semi-elliptical crack in finite thickness plates
TL;DR: In this paper, a general point load weight function for semi-elliptical crack in finite thickness plates is derived and used to calculate stress intensity factors for any point along the crack front with the crack faces under two dimensional stress distributions.
Journal ArticleDOI
Weight functions for the determination of stress intensity factor and T‐stress for semi‐elliptical cracks in finite thickness plate
Zhaoyu Jin,Xin Wang +1 more
TL;DR: In this paper, the authors presented the application of weight function method for the calculation of stress intensity factors (K) and T-stress for surface semi-elliptical cracks in finite thickness plates subjected to arbitrary 2D stress fields.
Journal ArticleDOI
Stress intensity factors calculation for surface crack in cylinders under longitudinal gradient pressure using general point load weight function
TL;DR: In this article, a generalized point load weight function (GPLWF) for a longitudinal semi-elliptical crack in a thick-walled cylinder with outer radius to inner radius ratio of 1.25 is derived.
Journal ArticleDOI
Point Load Weight Functions for Semi-Elliptical Cracks in Finite Thickness Plate
TL;DR: In this paper, a generalized form of the weight function is proposed for the calculation of stress intensity factors for surface semi-elliptical cracks in finite thickness plates subjected to arbitrary two-dimensional stress fields.
References
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Journal ArticleDOI
An empirical stress-intensity factor equation for the surface crack
James C. Newman,Ivatury S. Raju +1 more
TL;DR: In this article, an empirical stress-intensity factor equation for a surface crack as a function of parametric angle, crack depth, crack length, plate thickness and plate width for tension and bending loads was presented.
Journal Article
A novel principle for the computation of stress intensity factors
TL;DR: In this paper, a state of plane strain in a notched or cracked elastic domain under the action of boundary tractions is considered, and the stress intensity factor K at a root of a notch can be re presented in the form of a weighted average of the tractions.
Journal ArticleDOI
Three-Dimensional Stress Distribution Around an Elliptical Crack Under Arbitrary Loadings
M. K. Kassir,G. C. Sih +1 more
Book
Stress intensity factors and weight functions
Dietrich Munz,Theo Fett +1 more
TL;DR: In this article, the extended Petroski-Achenbach method (PAM) was extended to handle rotationally-symmetric problems with internal cracks in a semi-infinite body.
Book
Weight Functions and Stress Intensity Factor Solutions
X.R. Wu,Janne Carlsson +1 more
TL;DR: In this article, the authors provide a theoretical background to the weight function method in fracture mechanics for accurate analysis of two-dimensional crack problems and provide a significant number of stress intensity factor solutions for practical cases.