An efficient optimization based on the robust hybrid method for the coupled acoustic–structural system

K Dammak, A Yaich, A El Hami, L Walha… - … of Advanced Materials …, 2020 - Taylor & Francis
In this article, an analytical formulation of the response of the coupled acoustic–structural
system were performed. The reliability-based design optimization (RBDO) aims to find the …

Investigation of the acoustic installation effects of an open-jet anechoic wind tunnel using computational aeroacoustics

S Redonnet - Applied Acoustics, 2020 - Elsevier
This study focuses on acoustic installation effects that may occur during airframe noise
experiments conducted in a typical open-jet anechoic wind tunnel, exemplified here by the …

Uncertainty analysis based on kriging meta-model for acoustic-structural problems

A Baklouti, K Dammak, A El Hami - Applied Sciences, 2022 - mdpi.com
This paper consists of evaluating the performance of a vibro-acoustic model in the presence
of uncertainties in the geometric and material parameters of the model using Monte Carlo …

Numerical characterization of landing gear aeroacoustics using advanced simulation and analysis techniques

S Redonnet, SB Khelil, J Bulté, G Cunha - Journal of Sound and Vibration, 2017 - Elsevier
With the objective of aircraft noise mitigation, we here address the numerical
characterization of the aeroacoustics by a simplified nose landing gear (NLG), through the …

An application of the multiple-scales theory to acoustic double transition in ducts with flow

B Mangin, M Daroukh, G Gabard - Journal of Sound and Vibration, 2022 - Elsevier
A theoretical model based on the multiple-scales technique is proposed to study the
propagation of an acoustic mode that encounters multiple turning points in a hardwalled …

A domain decomposition technique for acoustic wave interactions and scattering

WX Lim, WL Chan, B Elhadidi - Computers & Mathematics with Applications, 2023 - Elsevier
In this work, a two-dimensional domain decomposition technique (DDT) is developed based
on an overset method that couples a nonlinear Euler solver with a linearized Euler solver …

Multi-objective reliability based design optimization of coupled acoustic-structural system

K Dammak, A El Hami - Engineering Structures, 2019 - Elsevier
Vibro-acoustic optimization for coupled acoustic-structural system signifies one of the key
topics of research to improve its performances. However, majority of the studies have not …

Landing gear noise identification using phased array with experimental and computational data

J Bulté, S Redonnet - AIAA Journal, 2017 - arc.aiaa.org
In regard to aircraft noise mitigation, this paper focuses on noise emission by a simplified
nose landing gear (NLG), whose noise sources are identified by the means of sensor array …

Jet noise of a UHBR nozzle using ZDES: external boundary layer thickness and installation effects

F Gand, M Huet, T Le Garrec, F Cléro - 23rd AIAA/CEAS aeroacoustics …, 2017 - arc.aiaa.org
I. Introduction n the framework of sustainable aviation, Ultra High Bypass Ratio (UHBR)
nozzles are considered to decrease the environmental footprint of aircraft. The use of such …

Installed jet noise source analysis by microphone array processing

R Davy, F Mortain, M Huet, T Le Garrec - 25th AIAA/CEAS …, 2019 - arc.aiaa.org
This paper presents the identification of jet noise sources carried out at ONERA in the
framework of the European Project JERONIMO. A dedicated test campaign was conducted …