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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.78 No.2
- 발행연도
- 2021.1
- 수록면
- 209 - 218 (10page)
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초록· 키워드
오류제보하기
For engineering, there are two major challenges in reliability analysis. First, to ensure the accuracy of simulation results, mechanical products are usually defined implicitly by complex numerical models that require time-consuming. Second, the mechanical products are fortunately designed with a large safety margin, which leads to a low failure probability. This paper proposes an efficient and high-precision adaptive active learning algorithm based on the Kriging surrogate model to deal with the problems with low failure probability and time-consuming numerical models. In order to solve the problem with multiple failure regions, the adaptive kernel-density estimation is introduced and improved. Meanwhile, a new criterion for selecting points based on the current Kriging model is proposed to improve the computational efficiency. The criterion for choosing the best sampling points considers not only the probability of misjudging the sign of the response value at a point by the Kriging model but also the distribution information at that point. In order to prevent the distance between the selected training points from too close, the correlation between training points is limited to avoid information redundancy and improve the computation efficiency of the algorithm. Finally, the efficiency and accuracy of the proposed method are verified compared with other algorithms through two academic examples and one engineering application.
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참고문헌 (36)
참고문헌 신청
Alibrandi, U. / 2015 / A new sampling strategy for SVM-based response surface for structural reliability analysis / Prob. Eng. Mech 41:1~12
Au, S. K. / 2016 / On MCMC algorithm for subset simulation / Prob. Eng. Mech 43:117~120
Basaga, H.B. / 2012 / An improved response surface method for reliability analysis of structures / Struct. Eng. Mech. 42(2):175~189
Michael Beer / 2009 / A neural network approach for simulating stationary stochastic processes / Structural Engineering and Mechanics, An Int＇l Journal 32(1):71~94
Cadini, F. / 2014 / An improved adaptive kriging-based importance technique for sampling multiple failure regions of low probability / Reliab. Eng. Syst. Saf 131:109~117
Au, S. K. / 2016 / On MCMC algorithm for subset simulation / Prob. Eng. Mech 43:117~120
Basaga, H.B. / 2012 / An improved response surface method for reliability analysis of structures / Struct. Eng. Mech. 42(2):175~189
Michael Beer / 2009 / A neural network approach for simulating stationary stochastic processes / Structural Engineering and Mechanics, An Int＇l Journal 32(1):71~94
Cadini, F. / 2014 / An improved adaptive kriging-based importance technique for sampling multiple failure regions of low probability / Reliab. Eng. Syst. Saf 131:109~117
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