고유변형도 기반 등가하중법에 의한 보강판의 가열 교정 해석
Analysis of Correction of Welding Deformation of Stiffened Plate by Heating Using Equivalent Loading Method based on Inherent Strain
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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.
참고문헌 (4)
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- "선체 블록의 용접변형예측 및 제어를 위한 연구", 37(2), pp.127~136 (2000)
- "Prediction of Welding Deformation of Ship Hull Blocks", 7(4), pp.41~49 (2003)
- "Prediction of Welding Deformation and Residual Stress by Elastic FEM Based on Inherent Strain", 180, pp.739~751 (1997)