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首页> 外文期刊>Multidiscipline modeling in materials and structures >An innovative reliability-based design optimization method by combination of dual-stage adaptive kriging and genetic algorithm
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An innovative reliability-based design optimization method by combination of dual-stage adaptive kriging and genetic algorithm

机译：An innovative reliability-based design optimization method by combination of dual-stage adaptive kriging and genetic algorithm

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摘要

Purpose This study aims to propose an efficient method for solving reliability-based design optimization (RBDO) problems.Design/methodology/approach In the proposed algorithm, genetic algorithm (GA) is employed to search the global optimal solution of design parameters satisfying the reliability and deterministic constraints. The Kriging model based on U learning function is used as a classification tool to accurately and efficiently judge whether an individual solution in GA belongs to feasible region.Findings Compared with existing methods, the proposed method has two major advantages. The first one is that the GA is employed to construct the optimization framework, which is helpful to search the global optimum solutions of the RBDO problems. The other one is that the use of Kriging model is helpful to improve the computational efficiency in solving the RBDO problems.Originality/value Since the boundaries are concerned in two Kriging models, the size of the training set for constructing the convergent Kriging model is small, and the corresponding efficiency is high.

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