Support Vector Machine for Structural Reliability Analysis

LI Hong-shuang; LÜ Zhen-zhou; YUE Zhu-feng

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Article Navigation > Applied Mathematics and Mechanics > 2006 > 27(10): 1135-1143

LI Hong-shuang, LÜ Zhen-zhou, YUE Zhu-feng. Support Vector Machine for Structural Reliability Analysis[J]. Applied Mathematics and Mechanics, 2006, 27(10): 1135-1143.

Citation:

LI Hong-shuang, LÜ Zhen-zhou, YUE Zhu-feng. Support Vector Machine for Structural Reliability Analysis[J]. Applied Mathematics and Mechanics, 2006, 27(10): 1135-1143.

Citation:

LI Hong-shuang, LÜ Zhen-zhou, YUE Zhu-feng. Support Vector Machine for Structural Reliability Analysis[J]. Applied Mathematics and Mechanics, 2006, 27(10): 1135-1143.

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Support Vector Machine for Structural Reliability Analysis

School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, P. R. China

Received Date: 2005-12-26
Rev Recd Date: 2006-07-09
Publish Date: 2006-10-15

Abstract

Abstract

Support vector machine (SVM) was introduced to analyze the reliability of the implicit performance function, which is difficult to implement by the classical methods such as the first order reliability method (FORM) and the Monte Carlo simulation (MCS). As a classification method where the underlying structural risk minimization inference rule is employed, SVM possesses excellent learning capacity with a small amount of information and good capability of generalization over the complete data. Hence, two approaches, i. e. SVM-based FORM and SVM-based MCS, were presented for the structural reliability analysis of the implicit limit state function. Compared to the conventional response surface method (RSM) and the artificial neural network (ANN), which are widely used to replace the implicit state function for alleviating the computation cost, the more important advantages of SVM are that it can approximate the implicit function with higher precision and better generalization under the small amount of information and avoid the "curse of dimensionality". The SVM-based reliability approaches can approximate the actual performance function over the complete sampling data with the decreased number of the implicit performance function analysis (usually finite element analysis), and the computational precision can satisfy the engineering requirement, which are demonstrated by illustrations.
- structural reliability,
- implicit performance function,
- support vector machine

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References(19)

References

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