Large Eddy Simulations for the Ahmed Car at 25° Slant Angle at Different Reynolds Numbers

The article investigates the feasibility of Large Eddy Simulation methods to accurately compute the flow around the Ahmed car body at 25 ∘ slant angle. The flow is computed at two different Reynolds numbers and with different turbulence modeling concepts using a large variety of grids. Issues associ...

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Veröffentlicht in:	Flow, turbulence and combustion turbulence and combustion, 2024, Vol.112 (1), p.321-343
Hauptverfasser:	Menter, Florian R., Hüppe, Andreas, Flad, David, Garbaruk, Andrey V., Matyushenko, Alexey A., Stabnikov, Andrey S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Automotive bodies Automotive Engineering Computational fluid dynamics Engineering Engineering Fluid Dynamics Engineering Thermodynamics Fluid flow Fluid- and Aerodynamics Heat and Mass Transfer Large eddy simulation Reynolds number Turbulent flow Vortices
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Beschreibung
Zusammenfassung:	The article investigates the feasibility of Large Eddy Simulation methods to accurately compute the flow around the Ahmed car body at 25 ∘ slant angle. The flow is computed at two different Reynolds numbers and with different turbulence modeling concepts using a large variety of grids. Issues associated with the accurate computation of the separation at the slant onset will be discussed in detail.
ISSN:	1386-6184 1573-1987
DOI:	10.1007/s10494-023-00472-9