Standard

SAE 2009-01-0007

apr 2009 Attuale

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Lingua Inglese

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Astratto

A numerical method specially designed to predict unsteady aerodynamics of road vehicle was developed based on unstructured Large-Eddy Simulation (LES) technique. The code was intensively optimized for the Earth Simulator in Japan to deal with the excessive computational resources required for LES, and could treat numerical meshes of up to around 120 million elements. Moving boundary methods such as the Arbitrary Lagrangian-Eulerian (ALE) or the sliding method were implemented to handle dynamic motion of a vehicle body during aerodynamic assessment. The method can also model a gusty crosswind condition. The method was applied to three cases in which unsteady aerodynamics are expected to be crucial.

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Standard da SAE International
Pubblicato: 20 aprile 2009
Tipo di documento: IS
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Publisher SAE International
Distributor SAE International

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Astratto

Specifiche dei prodotti