Large-eddy simulation of nonlinear evolution and breakdown to turbulence in high-speed boundary layers
type: Item
instance of: scholarly article
title: Large-eddy simulation of nonlinear evolution and breakdown to turbulence in high-speed boundary layers
zbMATH Open document ID: 0824.76032
DOI: 10.1007/BF00312364
author: Nabil M. El-Hady
author: Thomas A. Zang
published in: Theoretical and Computational Fluid Dynamics
publication date: 1995-07-05T00:00:00Z
review text: The nonlinear evolution and laminar-turbulent breakdown of a boundary layer flow along a cylinder at Mach number 4.5 is investigated with large-eddy temporal simulation. The results are validated using direct numerical simulation data. The structure of the flow during the transition process is studied in terms of the vorticity field. The subgrid scales are modeled dynamically, where the model coefficients are determined as part of the solution from the local resolved field. A new dynamic model that utilizes the second-order velocity structure function is used to parametrize the small-scale field. The evolution to turbulence is simulated with dynamic subgrid-scale modeling at least in terms of average quantities as well as vorticity fields.
Mathematics Subject Classification ID: 76F10
Mathematics Subject Classification ID: 76N20
Mathematics Subject Classification ID: 76E30
Mathematics Subject Classification ID: 76M20
zbMATH DE Number: 762150
zbMATH Keywords: cylinder
zbMATH Keywords: vorticity field
zbMATH Keywords: second-order velocity structure function
zbMATH Keywords: small-scale field
zbMATH Keywords: dynamic subgrid-scale modeling
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 762150