Computational aeroacoustics: progress on nonlinear problems of sound generation

T Colonius, SK Lele - Progress in Aerospace sciences, 2004 - Elsevier
Computational approaches are being developed to study a range of problems in
aeroacoustics. These aeroacoustic problems may be classified based on the physical …

On the simulation of trailing edge noise with a hybrid LES/APE method

R Ewert, W Schröder - Journal of Sound and Vibration, 2004 - Elsevier
A hybrid method is applied to predict trailing edge noise based on a large eddy simulation
(LES) of the compressible flow problem and acoustic perturbation equations (APE) for the …

Numerical prediction of airfoil aerodynamic noise

E Manoha, C Herrero, S Ben Khelil, P Guillen… - 8th AIAA/CEAS …, 2002 - arc.aiaa.org
This paper describes a new step in the development of a Computational AeroAcoustics
(CAA) process whose general long term objective is the numerical prediction of the …

Noise prediction for a turbulent jet using different hybrid methods

E Gröschel, W Schröder, P Renze, M Meinke… - Computers & fluids, 2008 - Elsevier
The acoustic field of a cold single stream jet at Mach number 0.9 and Reynolds number
3600 is determined via computational aeroacoustics (CAA) methods. The jet computation of …

An advanced hybrid method for the acoustic prediction

S Redonnet, G Cunha - Advances in Engineering Software, 2015 - Elsevier
The present article proposes an advanced methodology for numerically simulating complex
noise problems. More precisely, we consider the so-called multi-stage acoustic hybrid …

[PDF][PDF] Hybrid methodologies for the computational aeroacoustic analysis of confined, subsonic flows

W Desmet, P Sas, W De Roeck - 2007 - lirias.kuleuven.be
Eindelijk... is het eerste dat in mij opkomt nu ik begonnen ben met het neerschrijven van
mijn voorwoord. De laatste maanden zijn gekenmerkt door een chronisch gebrek aan slaap …

[图书][B] Airfoil aeroacoustics, les and acoustic analogy predictions

WR Wolf - 2011 - books.google.com
The development of physics-based noise prediction tools for analysis of aerodynamic noise
sources is of paramount importance since noise regulations have become more stringent …

Optimization of time integration schemes coupled to spatial discretization for use in CAA applications

J Ramboer, T Broeckhoven, S Smirnov… - Journal of Computational …, 2006 - Elsevier
In this paper errors arising from spatial and temporal discretization are discussed. A new
formulation to optimize time integration schemes is proposed. The new optimization also …

On the signal degradation induced by the interpolation and the sampling rate reduction in aeroacoustics hybrid methods

G Cunha, S Redonnet - International Journal for Numerical …, 2013 - Wiley Online Library
Taking place within more extensive work that focuses on hybrid methods in aeroacoustics,
the present study is devoted to the data transfer operations that are to be performed between …

Fast acoustic scattering predictions with non-uniform potential flow effects

WR Wolf, SK Lele - Journal of the Brazilian Society of Mechanical Sciences …, 2013 - Springer
Acoustic scattering simulations with non-uniform potential flow effects are performed by two
formulations described in the literature, valid under specific flow conditions. Both …