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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.17 No.4
- 발행연도
- 2016.1
- 수록면
- 611 - 629 (19page)
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초록· 키워드
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This study presents a new approach of surrogate modeling for time-consuming finite element analysis. A surrogate model is widely used to reduce the computational cost under an iterative computational analysis. Although a variety of the methods have been widely investigated, there are still difficulties in surrogate modeling from a practical point of view: (1) How to derive optimal design of experiments (i.e., the number of training samples and their locations); and (2) diagnostics of the surrogate model. To overcome these difficulties, we propose a sequential surrogate modeling based on Gaussian process model (GPM) with self-adaptive sampling. The proposed approach not only enables further sampling to make GPM more accurate, but also evaluates the model adequacy within a sequential framework. The applicability of the proposed approach is first demonstrated by using mathematical test functions. Then, it is applied as a substitute of the iterative finite element analysis to Monte Carlo simulation for a response uncertainty analysis under correlated input uncertainties. In all numerical studies, it is successful to build GPM automatically with the minimal user intervention. The proposed approach can be customized for the various response surfaces and help a less experienced user save his/her efforts.
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참고문헌 (30)
참고문헌 신청
Bastos, L.S. / 2009 / Diagnostics for Gaussian process emulators / Technometrics 51(4):425~438
Bellman, R. / 2003 / Dynamic Programming / Dover Publications
Box, G.E.P. / 1960 / Some new three level designs for the study of quantitative variables / Technometrics 2(4):455~475
Box, G. E. P. / 1978 / Statistics for Experimenters : An Introduction to Design, Data Analysis, and Model Building / Wiley
Bucher, C. / 2008 / A comparison of approximate response functions in structural reliability analysis / Probabilist. Eng. Mech. 23(2-3):154~163
Bellman, R. / 2003 / Dynamic Programming / Dover Publications
Box, G.E.P. / 1960 / Some new three level designs for the study of quantitative variables / Technometrics 2(4):455~475
Box, G. E. P. / 1978 / Statistics for Experimenters : An Introduction to Design, Data Analysis, and Model Building / Wiley
Bucher, C. / 2008 / A comparison of approximate response functions in structural reliability analysis / Probabilist. Eng. Mech. 23(2-3):154~163
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