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Probabilistic analysis of stress intensity factor (SIF) and degree of bending (DoB) in axially loaded tubular K-joints of offshore structures [PDF]

open access: yes, 2015
The stress intensity factor (SIF) and the degree of bending (DoB) are among the crucial parameters in evaluating the fatigue reliability of offshore tubular joints based on the fracture mechanics (FM) approach. The value of SIF is a function of the crack
Ghaffari, Amirreza, Ahmadi, Hamid
core   +1 more source

Fatigue Crack Growth in Complex Stress Fields [PDF]

open access: yes, 2008
Fatigue crack growth has been traditionally modelled using LEFM through the use of the Paris law. This requires an accurate method for stress intensity factor (K) calculation. Weight functions have been developed for one-dimensional cracks (e.g.
Chahardehi A, Chahardehi, Amir Ebrahim
core  

Stress intensity factor for a thermally insulated crack in bonded dissimilar materials [PDF]

open access: yes, 2019
The modified complex variable function method with the continuity conditions of the resultant force, displacement and heat conduction functions are used to formulate the hypersingular integral equation (HSIE) for a thermally ...
Eshkuvatov, Zainiddin K.   +7 more
core  

The Stress Intensity Factor for a Surface Crack Due to Moving Impact Loading

open access: yes, 2013
In this study, the dynamic stress intensity factor of a surface crack subjected to an antiplane moving loading is derived. The solution is determined by superposition of proposed fundamental solutions in the Laplace transform domain.
Ing, Yi-shyong; Lin, Jui-ting
core   +1 more source

Analysis of Stress Intensity Factors for Curved Cracks.

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A, 1993
In this paper, the hypersingular integral equation method (HIEM) is applied to calculate the stress intensity factors of curved crack problems. The stress fields induced by two kinds of displacement discontinuity are used as fundamental solutions. Then, the problem is formulated as a system of integral equations with the singularity of the form of r-2.
Noda, Nao-Aki   +2 more
openaire   +2 more sources

Analytical computation of stress intensity factor for multi-physics problems [PDF]

open access: yes
This work presents a methodology for the analytical calculation of the stress intensity factor when the stress distribution on the crack surfaces is non-homogeneous.
Pistorio, Francesca, Clerici, Davide
core   +1 more source

Stress intensity factor threshold in dental porcelains

open access: yesJournal of Materials Science: Materials in Medicine, 2007
The stress intensity factor threshold (KI0) is related to the stress level at which cracks start to grow stably, causing the weakening of porcelain prostheses during their use. The values of KI0 of seven dental porcelains (with and without reinforcing leucite crystal, KAlSi2O6) stored in air (22 degrees C, 60% relative humidity) and artificial saliva ...
Humberto Naoyuki, Yoshimura   +3 more
openaire   +2 more sources

Montmorency cherries reduce the oxidative stress and inflammatory responses to repeated days high-intensity stochastic cycling

open access: yes, 2014
This investigation examined the impact of Montmorency tart cherry concentrate (MC) on physiological indices of oxidative stress, inflammation and muscle damage across 3 days simulated road cycle racing.
Stevenson, Emma   +9 more
core   +1 more source

Stress intensity factor solution for single-edge cracked tension specimen considering grips bending effects

open access: yes, 2023
Using the stress intensity factor to describe the stress field around a crack has become widely adopted due to its simplicity. The stress intensity factor depends on the applied nominal stress, the crack length, and a geometrical factor.
Robert Eriksson   +8 more
core   +1 more source

Stress intensity factor in c-ring shape

open access: yes, 2014
C-Ring shaped thick-wall pipes are very common in power plant, chemical, processing, oil and gas industry. The C-Ring shaped equipment can be either thin or thick wall depending on the purpose of that particular equipment. Most often, cracks occur on the
Nya, Reza Manouchehry
core  

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