Interval multi-objective optimisation of structures using adaptive Kriging approximations

Publisher:
Elsevier B.V.
Publication Type:
Journal Article
Citation:
Computers & Structures, 2013, 119 (1), pp. 68 - 84
Issue Date:
2013-01
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This paper proposes an interval uncertain multi-objective optimisation (IUMOO) method for structures with uncertain-but-bounded parameters. An adaptive Kriging model is established to improve the computational efficiency and numerical accuracy in the approximation of design functions. Latin Hypercube Design (LHD) is applied to achieve a set of sampling points both in the design and uncertain spaces for calibrating the Kriging surrogate model. The interval number programming method is used to transform the uncertain optimisation into a corresponding deterministic multi-objective optimisation. Typical numerical examples are used to demonstrate the effectiveness of the proposed methodology.
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