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Development of CAE Technology Applicable to the Concept Stage of BIW

Article of Honda R&D Technical Review Vol.15 No.1

Summary

A CAE technology which can be applied from the concept stage of BIW in the design of lightweight, high-performance vehicle bodies was developed. This technology formulates an FE model from design lines and frame cross-sections, and enables analysis of body performance using the frame performance indicators static characteristics, dynamic characteristics and side collision characteristics. Because this technology does not require CAD diagrams, designers can quickly employ numerous ideas and images in FE models and utilize CAE to predict performance, enabling the creation of new frame structures. Comparison of analysis results with conventional high-accuracy large-scale models has confirmed correlativity between the methods, and verified that it is possible to predict performance from the concept stage of BIW using the new technology. This paper discusses the application of CAE at the concept stage of BIW to examine frame structure and predict performance when altering the design of a vehicle.

Reference

(1) Zimmer, H., Hovelmann, A., Schmidt, H., Umlauf, U., Frodl, B., Hanle, U.: Concept development tool Flexible generation of parametric virtual Prototypes in car body design, VDI Report Nr. 1559-2000
(2) Schelkle, E., Elsenhans, H. H.: Integration of Innovative CAE-Tools in the Concept Stage of Vehicle Development, VDI Report Nr. 1559-2000

Author (organization or company)

Takayuki FUJII(Tochigi R&D Center)、Shigeo FUJITA(Tochigi R&D Center)、Yasushi YOSHIZAWA(Tochigi R&D Center)

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