Journal ArticleDOI
Prediction of sound generated by a rod–airfoil configuration using EASM DES and the generalised Lighthill/FW-H analogy
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TLDR
In this article, the authors used Detached-Eddy Simulation (DES) and Ffowcs Williams and Hawkings acoustic analogy formulation for the far field computation of an airfoil in the wake of a rod.About:
This article is published in Computers & Fluids.The article was published on 2008-05-01. It has received 102 citations till now. The article focuses on the topics: Airfoil & Turbulence.read more
Citations
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Journal ArticleDOI
Detached-Eddy Simulation
TL;DR: This review discusses compelling examples, noting the visual and quantitative success of DES and its principal weakness is its response to ambiguous grids, in which the wall-parallel grid spacing is of the order of the boundary-layer thickness.
Journal ArticleDOI
Flow and noise predictions for the tandem cylinder aeroacoustic benchmarka)
TL;DR: In this article, the authors used lattice Boltzmann and Ffowcs Williams-Hawkings methods to predict the tonal peak amplitude in the far-field noise spectra.
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Lattice–Boltzmann Aeroacoustic Analysis of the LAGOON Landing-Gear Configuration
TL;DR: In this article, the authors used a hybrid approach in which the flowfield is provided by a lattice-Boltzmann simulation, and the noise radiation is computed using the Ffowcs-Williams-Hawkings analogy.
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Initial noise predictions for rudimentary landing gear
TL;DR: In this paper, the authors present three Detached-Eddy Simulations (DES) using up to 18 million points in the high-order NTS code, and the results include wall-pressure, and far-field-noise intensities and spectra.
Journal ArticleDOI
Noise Source Analysis of a Rod–Airfoil Configuration Using Unstructured Large-Eddy Simulation
Jean-Christophe Giret,Alois Sengissen,Stéphane Moreau,Marlène Sanjosé,Jean-Christophe Jouhaud +4 more
TL;DR: In this paper, the noise generated by a rod-airfoil configuration was investigated using unstructured Large-Eddy simulation coupled with a Ffowcs-Williams and Hawkings technique.
References
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Book
Computational methods for fluid dynamics
Joel H. Ferziger,Milovan Perić +1 more
TL;DR: This text develops and applies the techniques used to solve problems in fluid mechanics on computers and describes in detail those most often used in practice, including advanced techniques in computational fluid dynamics.
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On Sound Generated Aerodynamically. I. General Theory
TL;DR: In this paper, a theory for estimating the sound radiated from a fluid flow, with rigid boundaries, which as a result of instability contains regular fluctuations or turbulence is initiated, based on the equations of motion of a gas.
Journal ArticleDOI
Sound Generation by Turbulence and Surfaces in Arbitrary Motion
TL;DR: In this article, sound generation by turbulence and surfaces in arbitrary motion is discussed, and sound and multipole fields and governing equations are discussed. But sound generation is not discussed in this paper.
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A new version of detached-eddy simulation, resistant to ambiguous grid densities
Philippe R. Spalart,Sébastien Deck,Michael Shur,Kyle D. Squires,M. Kh. Strelets,Andrey Travin +5 more
TL;DR: In this paper, the authors proposed the DES97 model, denoted DES97 from here on, which can exhibit an incorrect behavior in thin boundary layers and shallow separation regions, when the grid spacing parallel to the wall becomes less than the boundary-layer thickness.