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contributor authorBeesley, Ross
contributor authorChen, Haofeng
contributor authorHughes, Martin
date accessioned2017-05-09T01:23:12Z
date available2017-05-09T01:23:12Z
date issued2015
identifier issn0094-9930
identifier otherpvt_137_05_051406.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/159519
description abstractThis paper investigates an approach for calculating the cyclic Jintegral through a new industrial application. A previously proposed method is investigated further with the extension of this technique through a new application of a practical threedimensional (3D) notched component containing a semielliptical surface crack. Current methods of calculating the cyclic Jintegral are identified and their limitations discussed. A modified monotonic loading (MML) concept is adapted to calculate the cyclic Jintegral of this 3D semielliptical surface crack under cyclic loading conditions. Both the finite element method (FEM) and the extended finite element method (XFEM) are discussed as possible methods of calculating the cyclic Jintegral in this investigation. Different loading conditions including uniaxial tension and outofplane shear are applied, and the relationships between the applied loads and the cyclic Jintegral are established. In addition, the variations of the cyclic Jintegral along the crack front are investigated. This allows the determination of the critical load that can be applied before crack propagation occurs, as well as the identification of the critical crack direction once propagation does occur. These calculations display the applicability of the method to practical examples and illustrate an accurate method of estimating the cyclic Jintegral.
publisherThe American Society of Mechanical Engineers (ASME)
titleOn the Modified Monotonic Loading Concept for the Calculation of the Cyclic J Integral
typeJournal Paper
journal volume137
journal issue5
journal titleJournal of Pressure Vessel Technology
identifier doi10.1115/1.4029959
journal fristpage51406
journal lastpage51406
identifier eissn1528-8978
treeJournal of Pressure Vessel Technology:;2015:;volume( 137 ):;issue: 005
contenttypeFulltext


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