Analysis and optimization of numerical sponge layers as a nonreflective boundary treatment

A Mani - Journal of Computational Physics, 2012 - Elsevier
The aim of this work is to provide practical guidelines for designing sponge layers
considering applications in computational fluid dynamics and computational aeroacoustics …

[PDF][PDF] Cavity noise

X Gloerfelt - VKI lecture series, 2009 - researchgate.net
The noise radiated by a flow past a cavity has been widely studied during the last fifty years
because of its practical interest and because of the variety of theoretical questions that it …

High speed PIV applied to aerodynamic noise investigation

V Koschatzky, PD Moore, J Westerweel, F Scarano… - Experiments in …, 2011 - Springer
In this paper, we study the acoustic emissions of the flow over a rectangular cavity.
Especially, we investigate the possibility of estimating the acoustic emission by analysis of …

Application of an acoustic analogy to PIV data from rectangular cavity flows

C Haigermoser - Experiments in fluids, 2009 - Springer
The present paper describes a method to derive information about the acoustic emission of
a flow using particle image velocimetry (PIV) data. The advantage of the method is that it …

Fluid-acoustic interactions in self-sustained oscillations in turbulent cavity flows. I. Fluid-dynamic oscillations

H Yokoyama, C Kato - Physics of Fluids, 2009 - pubs.aip.org
The fluid-acoustic interactions in a flow over a two-dimensional rectangular cavity are
investigated by directly solving the compressible Navier–Stokes equations. The upstream …

Near-Field Aeroacoustic Shape Optimization at Low Reynolds Numbers

M Hamedi, B Vermeire - AIAA Journal, 2024 - arc.aiaa.org
We investigate the feasibility of gradient-free aeroacoustic shape optimization using the flux
reconstruction (FR) approach to study two-dimensional flow at low Reynolds numbers. The …

Noise radiated by an open cavity at low Mach number: Effect of the cavity oscillation mode

R Martin, M Soria, O Lehmkuhl… - International …, 2019 - journals.sagepub.com
The present work focuses on the study of noise generation and radiation of an infinite open
three-dimensional cavity at low Mach number with laminar upstream conditions that is of …

[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 …

A study on the application of two different acoustic analogies to experimental PIV data

V Koschatzky, J Westerweel, BJ Boersma - Physics of Fluids, 2011 - pubs.aip.org
The aim of the present study is to compare two different acoustic analogies applied to time-
resolved particle image velocimetry (PIV) data for the prediction of the acoustic far-field …

A three-dimensional hybrid LES-acoustic analogy method for predicting open-cavity noise

H Lai, KH Luo - Flow, turbulence and Combustion, 2007 - Springer
Abstract A three-dimensional (3D) hybrid LES-acoustic analogy method for computational
aeroacoustics (CAA) is presented for the prediction of open-cavity noise. The method uses …