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 …

Hybrid aeroacoustic computations: State of art and new achievements

S Schoder, M Kaltenbacher - Journal of Theoretical and …, 2019 - World Scientific
This paper collects the state of the art and the tremendous progress that has been made in
hybrid modeling of aeroacoustic sound. Hybrid modeling is defined such that flow and …

Recent advances in acoustic boundary element methods

S Preuss, C Gurbuz, C Jelich, SK Baydoun… - Journal of Theoretical …, 2022 - World Scientific
The modern scope of boundary element methods (BEM) for acoustics is reviewed in this
paper. Over the last decades the BEM has gained popularity despite suffering from …

[HTML][HTML] Aeroacoustic sound source characterization of the human voice production-perturbed convective wave equation

S Schoder, P Maurerlehner, A Wurzinger, A Hauser… - Applied Sciences, 2021 - mdpi.com
The flow-induced sound sources of human voice production are investigated based on a
validated voice model. This analysis is performed using a hybrid aeroacoustic workflow …

openCFS: Open Source Finite Element Software for Coupled Field Simulation--Part Acoustics

S Schoder, K Roppert - arXiv preprint arXiv:2207.04443, 2022 - arxiv.org
Although many numerical simulation tools have been developed and are on the market,
there is still a strong need for appropriate tools capable to simulate multi-field problems …

[HTML][HTML] Hybrid aeroacoustic approach for the efficient numerical simulation of human phonation

S Schoder, M Weitz, P Maurerlehner… - The Journal of the …, 2020 - pubs.aip.org
A hybrid aeroacoustic approach was developed for the efficient numerical computation of
human phonation. In the first step, an incompressible flow simulation on a three-dimensional …

Machine-learning clustering methods applied to detection of noise sources in low-speed axial fan

L Tieghi, S Becker, A Corsini… - … for Gas Turbines …, 2023 - asmedigitalcollection.asme.org
The integration of rotating machineries in human-populated environments requires to limit
noise emissions, with multiple aspects impacting on control of amplitude and frequency of …

[HTML][HTML] Error detection and filtering of incompressible flow simulations for aeroacoustic predictions of human voice

S Schoder, F Kraxberger, S Falk, A Wurzinger… - The Journal of the …, 2022 - pubs.aip.org
The presented filtering technique is proposed to detect errors and correct outliers inside the
acoustic sources, respectively, the first time derivative of the incompressible pressure …

A greedy reduced basis scheme for multifrequency solution of structural acoustic systems

SK Baydoun, M Voigt, C Jelich… - International Journal for …, 2020 - Wiley Online Library
The solution of frequency dependent linear systems arising from the discretization of vibro‐
acoustic problems requires a significant computational effort in the case of rapidly varying …

Investigation on the acoustic performance of multiple Helmholtz resonator configurations

K Mahesh, RS Mini - Acoustics Australia, 2021 - Springer
Helmholtz resonator is considered and widely accepted as a basic acoustic model in
engineering applications and research. In this paper, the normal incidence sound …