Distortion Analysis of Welded Stiffeners

Authors: Vanli O. A.; Michaleris P.

Source: Journal of Ship Production, Volume 17, Number 4, 1 November 2001 , pp. 226-240(15)

Publisher: Society of Naval Architects and Marine Engineers (SNAME)

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Abstract:

This paper presents a welding distortion analysis approach for T-stiffeners with a particular emphasis on welding-induced buckling instabilities. Two-dimensional thermomechanical welding process simulations are performed to determine the residual stress and angular distortion. This critical buckling stress along with the buckling mode and bowing distortion are computed in 3-D eigenvalue and linear stress analyses. The effects of the stiffener geometry, weld sequence, weld heat input and mechanical fixturing on the occurrence of buckling and the distortion pattern are investigated.

Language: English

Document Type: Research article

Publication date: 2001-11-01

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The Journal of Ship Production publishes original and timely technical papers addressing problems of shipyard techniques and production of merchant and naval ships appear in this quarterly publication. Since its inception, the Journal has been a forum for peer-reviewed, professionally edited papers from academic and industry sources. As such, it has influenced the worldwide development of ship production engineering as a fully qualified professional discipline. Each issue contains a well-rounded selection of technical papers relevant to ship professionals, including written discussions and author's closures.

From Volume 26 onwards this journal is published as Journal of Ship Production and Design
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