Structural finite element model updating based on Gaussian process response surface methodology

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Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (24) : 82-87.

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Structural finite element model updating based on Gaussian process response surface methodology

WAN Hua-ping1, REN Wei-xin1, WEI Jin-hui1, 2

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Abstract

As the Bayesian framework-based and nonparametric models, Gaussian process (GP) models have drawn a considerable attention of the researchers in recent years. GP models have many advantages, including the flexibility of the forms of covariance functions, high accuracy of prediction, quantifying the prediction quality with uncertainties and so on. Therefore, this paper proposes a novel model updating technique based on GP response surface methodology (RSM), and the relevant basic principle is elaborated. Results of the numerical examples

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FE model updating / Gaussian process / response surface / design of experiments / optimization

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WAN Hua-ping;REN Wei-xin;WEI Jin-hui;. Structural finite element model updating based on Gaussian process response surface methodology[J]. Journal of Vibration and Shock, 2012, 31(24): 82-87