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2021 | OriginalPaper | Buchkapitel

Massively Parallel Lattice Boltzmann Simulations of Turbulent Flow over and Inside Porous Media

verfasst von : Konstantin Kutscher, Martin Geier, Manfred Krafczyk

Erschienen in: Fundamentals of High Lift for Future Civil Aircraft

Verlag: Springer International Publishing

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Abstract

Porous trailing edges have been proposed as a means to reduce acoustic emissions from aircraft wings. However, the influence of the porous material on the aerodynamic performance of the wing has to be investigated. In this work we report DNS/LES simulations of turbulent flow over a DLR-F16 wing profile at a Reynolds number of \(10^6\) using a cumulant lattice Boltzmann method. The cumulant LBM is implemented in the object-oriented framework VirtualFluids. Due to the requirement of resolving the boundary layer, the resulting simulation setups consist of more than two billion grid nodes and \(72.9\times 10^{9}\) degrees of freedom distributed on a locally refined three-dimensional grid requiring massively parallel simulations. We discuss modeling and scaling aspects of our approach and present computational results including experimental validation.

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Vorheriges Kapitel Production and Characterization of Porous Materials with Customized Acoustic and Mechanical Properties

Nächstes Kapitel Scale-Resolving Simulation of Aeroacoustic Sound from Coanda Flaps

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Titel: Massively Parallel Lattice Boltzmann Simulations of Turbulent Flow over and Inside Porous Media
verfasst von: Konstantin Kutscher
Martin Geier
Manfred Krafczyk
Verlag: Springer International Publishing
Buch: Fundamentals of High Lift for Future Civil Aircraft
Print ISBN: 978-3-030-52428-9

Electronic ISBN: 978-3-030-52429-6

Copyright-Jahr: 2021
DOI: https://doi.org/10.1007/978-3-030-52429-6_31

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