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International Journal of Automotive Technology > Volume 10(2); 2009 > Article
International Journal of Automotive Technology 2009;10(2): 175-180.
W. B. HOU1, H. Z. ZHANG2, R. F. CHI3, P. HU1
1Dalian University of Technology
2Changchun University of Science and Technology
3JiLin University
The concept design phase is a critical step in auto-body design, as it has a great effect on later design work. This paper describes the implementation of an auto-body structure design in the early stages of a new auto-body developing program. In order to reduce the long design period and analysis error that plagues traditional auto-body concept design, an intelligent CAE system has been successfully developed and implemented based on the UGS NX/API opening platform. This system, the so-called ACD-ICAE (Auto-body concept design-intelligent computer aided engineering) System that means concept design-intelligent computer aided engineering system, employs a fully parametrized template method to build the conceptual auto-body geometry model and FEM model quickly and easily. It also integrates auto-body modeling, analysis and optimization on only one CAD platform via a parametric variables database. Moreover, all parametric variables are shared and updated in different phases of the ACD-ICAE System. A wizard User Interface (UI) based on knowledge of auto-body engineering was developed and used in this system. The procedures implementing the functional diagram of the ACD-ICAE system are also provided. A typical example of a car body concept design with four doors shows that the ACD-ICAE system is efficient and accurate.
Key Words: Auto-body concept design, Parametric template, Optimization, Auto-body concept design-intelligent computer aided engineering (ACD-ICAE)
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