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a nominally two-dimensional Gaussian-shaped bump geometry to assess its performance in the accelerating and separation regions of the flow. The flow conditions are based on high-fidelity numerical simulation of Uzun & Malik (AIAA Journal 2022). The oncoming flow Mach number is 0.2, with the bump length-based Reynolds number (ReL) of 2 million. In our previous study, while WMLES with the constant coefficient Vreman subgrid scale model and equilibrium wall
model performed satisfactorily at lower ReL = 1 million, it failed to predict flow separation at the higher Re, contrary to the experimental observations. We investigate the sensitivity of WMLES to different subgrid scale models, wall models, and grid resolution and topology on flow separation by comparing with available data.
Document ID
20220009649
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Date Acquired
June 22, 2022
Subject Category
Meeting Information
Meeting: 11th Biennial International Conference on Computational Fluid Dynamics
Location: Maui, HI
Country: US
Start Date: July 11, 2022
End Date: July 15, 2022
Sponsors: Cadence Design Systems (United States), National Aeronautics and Space Administration, Intel (United States)
Funding Number(s)
Distribution Limits
Public
Copyright
Use by or on behalf of the US Gov. Permitted.
Technical Review
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Keywords
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