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http://dx.doi.org/10.3795/KSME-A.2009.33.9.892

A Sequential Optimization Algorithm Using Metamodel-Based Multilevel Analysis  

Baek, Seok-Heum (동아대학교 대학원 기계공학과)
Kim, Kang-Min (선우씨에스(주) 연구개발팀)
Cho, Seok-Swoo (강원대학교 삼척캠퍼스 기계자동차공학부)
Jang, Deuk-Yul (강원대학교 삼척캠퍼스 기계자동차공학부)
Joo, Won-Sik (동아대학교 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.33, no.9, 2009 , pp. 892-902 More about this Journal
Abstract
An efficient sequential optimization approach for metamodel was presented by Choi et al. This paper describes a new approach of the multilevel optimization method studied in Refs. [2] and [20,21]. The basic idea is concerned with multilevel iterative methods which combine a descent scheme with a hierarchy of auxiliary problems in lower dimensional subspaces. After fitting a metamodel based on an initial space filling design, this model is sequentially refined by the expected improvement criterion. The advantages of the method are that it does not require optimum sensitivities, nonlinear equality constraints are not needed, and the method is relatively easy to understand and use. As a check on effectiveness, the proposed method is applied to an engineering example.
Keywords
Multilevel Analysis; Metamodeling; Sequential Optimization; Analysis of Variance;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
Times Cited By SCOPUS : 1
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