전역최적화 알고리즘과 유한요소모델을 이용한 용접열원 파라미터 추정에 관한 연구 Part I : Adaptive Simulated Annealing의 적용 Research for Estimation of Heat Source Model Parameters with Simplified FE Model & Global Optimization Algorithm Part I. Application of Adaptive Simulated Annealing

표창민

언어KOR
URLhttp://db.koreascholar.com/Article/Detail/396006

한국기계기술학회지 (韓國機械技術學會誌)

제22권 제3호 (2020.06)
pp.484-491

한국기계기술학회 (Korean Society of Mechanical Technology)

초록

Anticipation of welding deformation with finite element method is a very interested topic in the industries, adequate heat source model is essential for concluding reasonable results. This study is related to estimate the parameters of Goldak heat source model, and global optimization algorithm is applied to this research. The heat affected zone (HAZ) boundary line of bead on plate (BOP) welding is used as the target, parameters of heat sources are used as the variables. Adaptive simulated annealing is applied and the optimal result is obtained out of 1,000 candidates. The convergence of finite element method and the global optimization is meaningful for estimation of welding deformation, which could enhance to reduce the resources and time for experiments.

키워드

Goldak heat source model 골닥 용접 열원 Computer simulation 컴퓨터 시뮬레이션 GMAW 가스 메탈 아크 용접 Adaptive simulated annealing 적응 시뮬레이티드 어닐링

ABSTRACT
1. 서 론
2. Adaptive Simulated Annealing
3. 실험에 의한 열원파라미터 측정
    3.1 실험 장비
    3.2 실험 환경
    3.3 열영향부 위치측정
4. 유한요소법을 통한 열원 파라미터 도출
    4.1 유한요소모델
    4.2 설계 목표 및 변수 설정
    4.3 최적 알고리즘 설정
5. 결과 및 논의
6. 결 론
References

저자

표창민(Korea Institute of Industrial Technology, Researcher) | Chang-Min Pyo Corresponding Author

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