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http://dx.doi.org/10.3744/SNAK.2004.41.4.085

Analysis of Correction of Welding Deformation of Stiffened Plate by Heating Using Equivalent Loading Method based on Inherent Strain  

송하철 (서울대학교 해양시스템공학연구소)
류현수 (서울대학교 조선해양공학)
장창두 (서울대학교 조선해양공학과)
Publication Information
Journal of the Society of Naval Architects of Korea / v.41, no.4, 2004 , pp. 85-91 More about this Journal
Abstract
The objective of the present paper is to develop an analysis method for the correction of welding deformation of stiffened plate by line heating. In this paper, the equivalent loading method, based on the inherent strain theory, was used to analyze the heat-straightening of a stiffened plate. Equivalent loads were obtained by integrating the inherent strains which were determined from the highest temperature and the degree of restraint. Finally, the obtained equivalent loads were imposed, as applied loads, on the elastic analysis for the prediction of correction of welding deformation in stiffened plate. The proposed method is expected as a basic study in heat-straightening analysis of welding deformation in large scale block.
Keywords
correction by heating; inherent strain; equivalent load; stiffened plate; highest temperature; degree of restraint;
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