Abstract
Most CFD research on automotive external aerodynamics has been carried out using very simplified models such as the Ahmed car (Aljure, Lehmkuhl, Rodríguez, Oliva, Comput Fluids, 96:122–135, (2014), [1]). To reduce the gap between the production cars and models used for academic purposes, the DrivAer car model was introduced in 2012. References (Heft, Indinger, Adams, SAE Tech Pap, No. 2012-01-0168, (2012), [2], Strangfeld, Wieser, Schmidt, Woszidlo, Nateri, Paschereit, SAE Tech Pap, No. 2013-01-1251, (2013), [3]) performed experimental observations on this geometry. Their results suggested that the Reynolds number dependency of the force coefficients decreased as Re increased. Two values have been reported for Re number independence, \(Re=2\times 10^6\) (Strangfeld, Wieser, Schmidt, Woszidlo, Nateri, Paschereit, SAE Tech Pap, No. 2013-01-1251, (2013), [3]) and \(Re=4.87\times 10^6\) (Heft, Indinger, Adams, SAE Tech Pap, No. 2012-01-0168, (2012), [2]).
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Acknowledgements
This work has been partially financially supported by the “Ministerio de Economía y Competitividad, Secretaría de Estado de Investigación, Desarrollo e Innovación”, Spain (Project reference ENE2010-17801), by the collaboration project between “Universitat Politècnica de Catalunya” and Termo Fluids S. L. and the “Departamento Administrativo de Ciencia, Tecnología e Innovación - Colciencias” through their doctoral training program “Francisco Jose de Caldas”. We also acknowledge the access to the FinisTerrae II supercomputer granted by the “Red Espaola de Supercomputación” (RES).
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Aljure, D.E., Calafell, J., Báez, A., Oliva, A. (2019). Flow Over a Realistic Car Model: WMLES Assessment and Turbulent Structures. In: Salvetti, M., Armenio, V., Fröhlich, J., Geurts, B., Kuerten, H. (eds) Direct and Large-Eddy Simulation XI. ERCOFTAC Series, vol 25. Springer, Cham. https://doi.org/10.1007/978-3-030-04915-7_66
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