The boundary element method in acoustics: A survey

S Kirkup - Applied Sciences, 2019 - mdpi.com
The boundary element method (BEM) in the context of acoustics or Helmholtz problems is
reviewed in this paper. The basis of the BEM is initially developed for Laplace's equation …

Application limits of conservative source interpolation methods using a low mach number hybrid aeroacoustic workflow

S Schoder, A Wurzinger, C Junger, M Weitz… - Journal of Theoretical …, 2021 - World Scientific
In low Mach number aeroacoustics, the well-known disparity of scales allows applying
hybrid simulation models using different meshes for flow and acoustics, which leads to a fast …

Boundary element method for time-harmonic acoustic problems

S Marburg - Computational Acoustics, 2018 - Springer
This chapter presents an introduction to the solution of time-harmonic acoustic problems by
a boundary element method (BEM). Specifically, the Helmholtz equation with admittance …

Boundary element solution for periodic acoustic problems

M Karimi, P Croaker, N Kessissoglou - Journal of Sound and vibration, 2016 - Elsevier
This work shows when using the boundary element method to solve 3D acoustic scattering
problems from periodic structures, the coefficient matrix can be represented as a block …

Numerical prediction of turbulent boundary layer noise from a sharp‐edged flat plate

M Karimi, P Croaker, A Skvortsov… - … Methods in Fluids, 2019 - Wiley Online Library
An efficient hybrid uncorrelated wall plane waves–boundary element method (UWPW‐BEM)
technique is proposed to predict the flow‐induced noise from a structure in low Mach …

Aeroacoustic scattering using a particle accelerated computational fluid dynamics/boundary element technique

P Croaker, N Kessissoglou, S Marburg - AIAA Journal, 2016 - arc.aiaa.org
A particle accelerated computational fluid dynamics/boundary element method technique to
predict the sound pressure field produced by low Mach number flow past a rigid body is …

Frequency-domain quadrupole correction for the permeable-surface Ffowcs Williams and Hawkings integration

Z Zhou, Y Liu, S Wang - Physics of Fluids, 2024 - pubs.aip.org
The permeable-surface Ffowcs Williams and Hawkings (FW–H) integration for computing
the far-field sound has the advantage of encapsulating the sources and nonlinear …

Non-negative aeroacoustic source contributions to radiated sound power

E Eftekharian, P Croaker, S Marburg, D Liu… - The Journal of the …, 2023 - pubs.aip.org
A new approach that determines the contribution of aeroacoustic sources to sound power is
presented. The method combines the Lighthill source distribution with an acoustic …

Accelerated method for predicting acoustic far field and acoustic power of rotating source

Y Mao, C Xu - AIAA Journal, 2016 - arc.aiaa.org
Visualization of acoustic pressure and acoustic velocity field and computation of acoustic
power are meaningful to investigate noise radiation and propagation mechanism of …

A computational flow-induced noise and time-reversal technique for analysing aeroacoustic sources

P Croaker, A Mimani, C Doolan… - The Journal of the …, 2018 - pubs.aip.org
A simulation technique to analyse flow-induced noise problems that combines
computational fluid dynamics (CFD), the boundary element method (BEM) and an …