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J. Ocean Eng. Technol. 2002;16(4):32-36.    

Health Monitoring of Weldment By Post-processing Approach Using Finite Element Analysis
유한요소해석 후처리 기법을 이용한 용접부의 건전성 평가
이제명,백점기,강성원,김명현
부산대학교 조선해양공학과,부산대학교 조선해양공학과,부산대학교 조선해양공학과,뉴욕전력 연구개발원
Copyright © 2002 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Key Words: Health Monitoring, Continuum Damage Mechanics, Finite Element Methods, Residual Stress, Welding-induced Damage
핵심용어: 건전성평가, 연속체 손상역학, 유한요소법, 잔류응력, 용접유기손상
Abstract
In this paper, a numerical methodology for health monitoring of weldment was proposed using finite element method coupled with continuum damage mechanics. The welding-induced residual stress distribution of T-joint weldment was calculated using a commercial finite element package SYSWELD+. The distribution of latent damage was evaluated from the stress and strain components taken as the output of a finite element calculation. Numerical examples were given to demonstrate the usefulness of this so-called "post-processing approach" in the case of welding-induced damage assessment.


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