Browse Publications Technical Papers 2006-01-3544
2006-10-31

Guidelines for CFD Simulations of Ground Vehicle Aerodynamics 2006-01-3544

The CFD tools in aerodynamic design process have been commonly used in aerospace industry in last three decades. Although there are many CFD software algorithms developed for aerodynamic applications, the nature of a complex, three-dimensional geometry in incompressible highly separated, viscous flow made computational simulation of ground vehicle aerodynamics more difficult than aerospace applications. However, recent developments in computational hardware and software industry enabled many new engineering applications on computational environment. Traditional production process has largely influenced by computational design, analysis, manufacturing and visualization. Different aspects of linking advanced computational tools and aerodynamic vehicle design challenges are discussed in the present work. Key technologies like parallel computation, turbulence modeling and CFD/wind tunnel compatibility issues are presented. These state-of-the-art computational methodologies are applied to an aerodynamic simulation of a heavy ground vehicle problem, and the simulation procedure is presented as an example case.

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