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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.1
- 발행연도
- 2019.1
- 수록면
- 31 - 41 (11page)
이용수
초록· 키워드
오류제보하기
Structural integrity assessment of piping components is of paramount important for remaining life prediction, residual strength evaluation and for in-service inspection planning. For accurate prediction of these, a reliable fracture parameter is essential. One of the fracture parameters is stress intensity factor (SIF), which is generally preferred for high strength materials, can be evaluated by using linear elastic fracture mechanics principles. To employ available analytical and numerical procedures for fracture analysis of piping components, it takes considerable amount of time and effort. In view of this, an alternative approach to analytical and finite element analysis, a model based on relevance vector machine (RVM) is developed to predict SIF of part through crack of a piping component under fatigue loading. RVM is based on probabilistic approach and regression and it is established based on Bayesian formulation of a linear model with an appropriate prior that results in a sparse representation. Model for SIF prediction is developed by using MATLAB software wherein 70% of the data has been used for the development of RVM model and rest of the data is used for validation. The predicted SIF is found to be in good agreement with the corresponding analytical solution, and can be used for damage tolerant analysis of structural components.
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참고문헌 (38)
참고문헌 신청
Bergman, M. / 1991 / Stress intensity factors for circumferential cracks in pipes analyzed by FEM using line spring elements / Int J Fract 47(1):R17~R19
Bhargava, R. Y. / 1998 / Assuring It is safe / International conference of Integrating Structural Integrity, Inspection, Monitoring, Safety and Risk Assessment
F.P. Brennan / 2008 / An experimental and analytical study of fatigue crack shape control by cold working / Engineering Fracture Mechanics 75(3-4):355~363
Dawei, H. / 2012 / Flow modelling using Relevance Vector Machine (RVM) / Proceedings of the Fifth International Conference on Hydroinformatics :1429~1435
Serkan Engin / 2015 / Estimation of ultimate torque capacity of the SFRC beams using ANN / Structural Engineering and Mechanics, An Int＇l Journal 53(5):939~956
Bhargava, R. Y. / 1998 / Assuring It is safe / International conference of Integrating Structural Integrity, Inspection, Monitoring, Safety and Risk Assessment
F.P. Brennan / 2008 / An experimental and analytical study of fatigue crack shape control by cold working / Engineering Fracture Mechanics 75(3-4):355~363
Dawei, H. / 2012 / Flow modelling using Relevance Vector Machine (RVM) / Proceedings of the Fifth International Conference on Hydroinformatics :1429~1435
Serkan Engin / 2015 / Estimation of ultimate torque capacity of the SFRC beams using ANN / Structural Engineering and Mechanics, An Int＇l Journal 53(5):939~956
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