Abstract
The performance matching between material and structure is the most fundamental matching relationship during car body engineering development. In this paper, the “3S-Targets” conception of car body structure design is summarized by studying theme reports of automotive original equipment manufacturers (OEM) published in previous Euro-Car-Body conferences. Meanwhile, the “Ring” structure feature is concluded which has been proposed by OEMs from different points of view and can meet different performance requirements simultaneously. Finally, ring-shaped route body is proposed by regarding the car body skeleton as being made up of 16 Rings. From ring-structured materials and performance evaluation matrix, on one hand, this method can reasonably explain the relevance between crash safety star rating and torsion stiffness; on the other hand, the “3R-BODY” evaluation method for design itself is proposed which is independent and ahead of simulation and test. It provides an important theoretical significance and value in engineering for car body lightweight design.
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References
The 4–12th International Car Body Benchmarking Platform. ECB2002–2010
Feng X The evaluation method for the ring-shaped route body structure design. China Patent Application No. 201110223295.5
Acknowledgments
The development of the 3R-BODY structural design and evaluation method has gone through three stages. Firstly: work experience at simulation department in Chery Automobile Company accumulated the author with design experience of different car body performances, and a clear understanding of the critical problems faced in car body structure lightweight design; Secondly, the author accumulated a lot of successful design experience and rich data by repeatedly study reports of OEMs in previous ECB conferences, and thus has a more comprehensive understanding of the body performance development; thirdly, the author confirmed that ring structure is key structural features to improve torsion rigidity and crash safety performance through in-depth analysis of Honda car body structure. Finally, the 3R-BODY structural design and evaluation method was proposed.
The 3R-BODY structural design and assessment method is an appropriate method proposed at the appropriate time to appropriately summarize and conclude car body engineering design. It is inseparable with accumulated practical experience in engineering as well as successful experience published by OEMs in reference materials. Thus, the author would like to express sincere gratitude to all authors and organizations, whose technical information deeply inspired the author to imagine and think.
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Xiao, F., Gao, X. (2013). The Ring-Shaped Route Body Structure Design and Evaluation Method. In: Proceedings of the FISITA 2012 World Automotive Congress. Lecture Notes in Electrical Engineering, vol 195. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33835-9_42
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DOI: https://doi.org/10.1007/978-3-642-33835-9_42
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