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http://dx.doi.org/10.5139/JKSAS.2005.33.2.032

Improvement of the Design Space Feasibility Using the Response Surface and Kriging Method  

Ku, Yo-Cheon (서울대학교 기계항공공학부)
Jeon, Yong-Heu (서울대학교 기계항공공학부)
Kim, Yu-Shin (한국항공우주연구원)
Lee, Dong-Ho (서울대학교 기계항공공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.33, no.2, 2005 , pp. 32-38 More about this Journal
Abstract
In this research, a procedure to improve the feasibility of design space is proposed by an approximation model. The Chebyshev Inequality is used as the criterion of modification of design space. This procedure is applied to the aero-elastic transonic wing design problem and the feasibility of the design space is greatly improved. Also the optimization results are improved by appling this procedure. That is, the probability to satisfy all imposed constraints is increased and the better design points are included in design space after this procedure. And the use of both a second-order response surface model and the Kriging model is investigated and compared in accuracy, efficiency, and robustness as approximation models in this procedure for different sampling methods. As a result, the second-order response surface model is more appropriate for our application than the Kriging model, because it is linear enough to be fitted well by the response surface model.
Keywords
Design Space; Feasibility; Response Surface Method; Kriging Method; Probability Distribution; Chebyshev Inequality;
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