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Calculation of Stress Intensity Factors for a Thick Pipe Using Weight Function Method
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 Title & Authors
Calculation of Stress Intensity Factors for a Thick Pipe Using Weight Function Method
Lee, Hyeong-Yeon; Lee, Jae-Han; Yoo, Bong;
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 Abstract
An approximate weight function technique using the indirect boundary integral equation has been presented for the analysis of stress intensity foactors(SIFs) of a thick pipe. One-term boundary integral was introduced to represent the crack surface displacement field for the displacement based weight function technique. An explicit closed-form SIF solution applicable to symmetric cracked pipes without any modification of the solution including both circumferential and radial cracks has been derived. The necessary information in the analysis is two or three reference SIFs. In most cases the SIF solution were in good agreement with those available in the literature.
 Keywords
Weight Function;Boundary Integral Equation;Stress Intensity Factors;Pipe;
 Language
Korean
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