Overnight industrial LES for external aerodynamics

Overnight industrial LES for external aerodynamics

This paper summarizes the efforts carried out over the last year to achieve overnight industrial Large-Eddy Simulation (LES) runs for external car aerodynamics. The solver employed is based on adaptive cartesian blocks, uses explicit timestepping to advance the Navier-Stokes equations describing mil...

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Veröffentlicht in:Computers & fluids 2021-01, Vol.214, p.104771, Article 104771
Hauptverfasser: Löhner, Rainald, Othmer, Carsten, Mrosek, M., Figueroa, Alejandro, Degro, Atis
Format: Artikel
Sprache:eng
Schlagworte:
Aerodynamics
Car Aerodynamics
Cartesian coordinates
CFD
Compressible flow
Fluid dynamics
Large eddy simulation
LES
Parallel CHiHigh Performance Computingxternal
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Beschreibung
Zusammenfassung:This paper summarizes the efforts carried out over the last year to achieve overnight industrial Large-Eddy Simulation (LES) runs for external car aerodynamics. The solver employed is based on adaptive cartesian blocks, uses explicit timestepping to advance the Navier-Stokes equations describing mildly compressible flows, and scales well to tens of thousands of cores. The capabilities developed to date are tested on a Volkswagen Golf.
ISSN:0045-7930
1879-0747
DOI:10.1016/j.compfluid.2020.104771