Design of an aluminum bumper beam based on hybrid cellular automata

Publication Type:
Journal Article
Citation:
Tongji Daxue Xuebao/Journal of Tongji University, 2015, 43 (3), pp. 456 - 461
Issue Date:
2015-01-01
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©, 2015, Science Press. All right reserved. In order to improve the crashworthiness and simultaneously achieve the lightweight goal, a design method was proposed for an aluminum bumper. A crashworthiness simulation model was established first and topology optimization was conducted based on hybrid cellular automata (HCA). The material distribution from topology optimization was used to generate H-shaped cross-section. Base on the Kriging modeling technique, size optimization was executed to acquire the optimal sectional dimension. The final result demonstrates that the proposed method is able to provide a reasonable cross-sectional shape and size of the bumper, and to improve the crashworthiness of the bumper beam and to achieve a lightweight design.
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