Abstract
Crosswind stability is an important safety issue for manufacturers of cars, buses and rail vehicles. Since side wind conditions are unsteady phenomena they require time-dependent techniques to simulate the flow. In this study, a hybrid RANS-LES methods, Detached-Eddy Simulation, is applied to evaluate headwind and unsteady crosswind situations for a simple model of car. A grid refinement study is carried out to evaluate the accuracy of the calculations. Convergence in the force coefficients while refining the grid suggests that a certain level of grid convergence is reached. A similar conclusion is drawn from the unsteady simulations.
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Favre, T., Diedrichs, B., Efraimsson, G. (2010). Detached-Eddy Simulations Applied to Unsteady Crosswind Aerodynamics of Ground Vehicles. In: Peng, SH., Doerffer, P., Haase, W. (eds) Progress in Hybrid RANS-LES Modelling. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 111. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14168-3_14
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DOI: https://doi.org/10.1007/978-3-642-14168-3_14
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-14167-6
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