Three-phase optimisation design of an electric car body at conceptual design stage
by Dafeng Jin; Jin Chen; Weiwei Qiao
International Journal of Vehicle Design (IJVD), Vol. 57, No. 2/3, 2011

Abstract: A three-phase optimisation design method is proposed in the paper. It is composed of two steps of topology optimisation and one step of size optimisation, and used for design of a mini electric car Body In White (BIW) at conceptual design stage. The method provides an opportunity to comprehend performances of the body construction under different load conditions in detail. Final result of the optimised BIW achieves 31% weight reduction with improved stiffness, strength and the first-order frequency compared with previous design.

Online publication date: Wed, 15-Apr-2015

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