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Large Eddy Simulation of Unsteady Flow Around a Formula Car on Earth Simulator
Technical Paper
2007-01-0106
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
One of the world's largest unsteady turbulence simulations of flow around a formula car was conducted using Large Eddy Simulation (LES) on the Earth Simulator in Japan. The main objective of our study is to investigate the validity of LES for the assessment of vehicle aerodynamics, as an alternative to a conventional wind tunnel measurement or the Reynolds Averaged Navier-Stokes (RANS) simulation. The aerodynamic forces estimated by LES show good agreement with the wind tunnel data (within several percent!) and various unsteady flow features around the car is visualized, which clearly indicate the effectiveness of large-scale LES in the very near future for the computation of flow around vehicles with complex configurations.
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Citation
Tsubokura, M., Kitoh, K., Oshima, N., Nakashima, T. et al., "Large Eddy Simulation of Unsteady Flow Around a Formula Car on Earth Simulator," SAE Technical Paper 2007-01-0106, 2007, https://doi.org/10.4271/2007-01-0106.Also In
SAE 2007 Transactions Journal of Passenger Cars: Mechanical Systems
Number: V116-6; Published: 2008-08-15
Number: V116-6; Published: 2008-08-15
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