The 2013 SRT Viper Carbon Fiber X-Brace, styled by Chrysler's Product Design Office (PDO), is as much of a work of art as it is an engineered structural component. Presented in this paper is the design evolution, development and performance refinement of the composite X-Brace (shown in Figure 1). The single-piece, all Carbon Fiber Reinforced Plastic (CFRP) X-Brace, an important structural component of the body system, was developed from lightweight carbon fiber material to maximize weight reduction and meet performance targets. The development process was driven extensively by virtual engineering, which applied CAE analysis and results to drive the design and improve the design efficiency. Topology optimization and section optimization were used to generate the initial design's shape, form and profile, while respecting the package requirements of the engine compartment. Concept selection, geometry sensitivity studies and concept refinement methods were then used to optimize the design, considering manufacturing constraints and all critical load cases. A close partnership between Chrysler Body Engineering, PDO and Plasan Carbon Composites lead to the completion of a successful CFRP X-Brace to be sold in the aftermarket by Chrysler's Mopar parts division.
Institute of Transportation Studies, University of California, Davis Research Report UCD-ITS-RR-10-10 “Review of Technical Literature and Trends Related to Automobile Mass-Reduction Technology,” http://publications.its.ucdavis.edu/publication_detail.php?id=1390 Lutsey, Nicholas 2010
Leiva , J.P. , Wang , L. , Recek S. , and Watson , B. Automobile Design Using the GENESIS Structural Optimization Program presented at Nafems Seminar: Advances in Optimization Technologies for Product Design USA October 22 23 2001
Burr , W.H. The Elasticity and Resistance of the Materials of Engineering BiblioBazaar South Carolina 1-14-338859-3 409 417 2010
Bansal , R.K. Dr. A Textbook of Engineering Mechanics Laxmi Publications New Delhi 8-13-180409-7 174 189 2008
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