High-order methods for large-eddy simulation in complex geometries

Abstract : Developing high-order methods for large-eddy simulation (LES) is of interest to avoid mixing between subgrid scale modeling contributions and approximation errors of the numerical method. Two different approaches are investigated. The first one focuses on the so-called Spectral Vanishing Viscosity LES (SVV-LES) approach, which allows to extend the well known capabilities of spectral methods from laminar to turbulent flows, while the second one rather investigates the possibility of extending a second order finite volume code to higher order approximations. For the SVV-LES approach, a volume penalization like technique is used to address complex geometries.
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Submitted on : Friday, June 14, 2013 - 12:14:42 PM
Last modification on : Thursday, January 18, 2018 - 2:13:38 AM

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Christine Baur, Patrick Bontoux, Michael Kornhaas, Matthieu Minguez, Richard Pasquetti, et al.. High-order methods for large-eddy simulation in complex geometries. Christophe Brun & al. Numerical simulation of turbulent flows and noise generation, Springer Berlin Heidelberg, pp.309-334, 2009, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 978-3-540-89955-6. ⟨10.1007/978-3-540-89956-3_13⟩. ⟨hal-00834157⟩

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