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http://dx.doi.org/10.3795/KSME-A.2012.36.8.873

Sensitivity Validation Technique for Sequential Kriging Metamodel  

Huh, Seung-Kyun (Dept. Automotive Engineering, College of Engineering, Hanyang Univ.)
Lee, Jin-Min (Dept. Automotive Engineering, College of Engineering, Hanyang Univ.)
Lee, Tae-Hee (Dept. Automotive Engineering, College of Engineering, Hanyang Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.36, no.8, 2012 , pp. 873-879 More about this Journal
Abstract
Metamodels have been developed with a variety of design optimization techniques in the field of structural engineering over the last decade because they are efficient, show excellent prediction performance, and provide easy interconnections into design frameworks. To construct a metamodel, a sequential procedure involving steps such as the design of experiments, metamodeling techniques, and validation techniques is performed. Because validation techniques can measure the accuracy of the metamodel, the number of presampled points for an accurate kriging metamodel is decided by the validation technique in the sequential kriging metamodel. Because the interpolation model such as the kriging metamodel based on computer experiments passes through responses at presampled points, additional analyses or reconstructions of the metamodels are required to measure the accuracy of the metamodel if existing validation techniques are applied. In this study, we suggest a sensitivity validation that does not require additional analyses or reconstructions of the metamodels. Fourteen two-dimensional mathematical problems and an engineering problem are illustrated to show the feasibility of the suggested method.
Keywords
Sensitivity; Validation; Sequential Kriging Metamodel; Bogie Frame;
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Times Cited By KSCI : 2  (Citation Analysis)
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