Lightweight design of vehicle front-end structure: contributions of multiple surrogates
by Feng Pan; Ping Zhu
International Journal of Vehicle Design (IJVD), Vol. 57, No. 2/3, 2011

Abstract: Lightweight design of vehicle front-end structure was performed under crashworthiness and vibration performance, in which surrogate models were employed for function approximation. An optimisation methodology based on multiple surrogates was proposed to select the most accurate one from a set of surrogates during the iterative optimisation process. It shows that different surrogates elicit different crashworthiness responses, and the most accurate one would change among iterations, which means the traditional way of selecting the best surrogate from an initial subset and discarding the rest is inappropriate. The proposed methodology would also be a promising strategy for surrogate-based optimisation in engineering application.

Online publication date: Wed, 15-Apr-2015

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