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Determination of welding residual stresses by inverse approach with eigenstrain formulations of boundary integral equation

Ma, Hang; Wang, Ying; Qin, Qing Hua

Description

Based on the concept of eigenstrain, a straightforward computational model of the inverse approach is proposed for determining the residual stress field induced by welding using the eigenstrain formulations of boundary integral equations. The eigenstrains are approximately expressed in terms of low-order polynomials in the local area around welded zones. The domain integrals with polynomial eigenstrains are transformed into the boundary integrals to preserve the favourable features of the...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Conference paper
URI: http://hdl.handle.net/1885/34594
Source: Journal of Physics: Conference Series
DOI: 10.1088/1742-6596/290/1/012012

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