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 …

Free-field characterization of locally reacting sound absorbers using Bayesian inference with sequential frequency transfer

M Eser, S Mannhardt, C Gurbuz, E Brandão… - … Systems and Signal …, 2023 - Elsevier
The in situ absorption characteristics of sound-absorbing samples are generally estimated
inversely from sound field measurements above the sample's surface. However, the entire …

[HTML][HTML] Sound field reconstruction using a compact acoustics-informed neural network

F Ma, S Zhao, IS Burnett - The Journal of the Acoustical Society of …, 2024 - pubs.aip.org
Sound field reconstruction (SFR) augments the information of a sound field captured by a
microphone array. Using basis function decomposition, conventional SFR methods are …

Reconstruction of Sound Field Through Diffusion Models

F Miotello, L Comanducci, M Pezzoli… - ICASSP 2024-2024 …, 2024 - ieeexplore.ieee.org
Reconstructing the sound field in a room is an important task for several applications, such
as sound control and augmented (AR) or virtual reality (VR). In this paper, we propose a …

[HTML][HTML] A multi-fidelity Gaussian process for efficient frequency sweeps in the acoustic design of a vehicle cabin

C Gurbuz, M Eser, J Schaffner… - The Journal of the …, 2023 - pubs.aip.org
Highly accurate predictions from large-scale numerical simulations are associated with
increased computational resources and time expense. Consequently, the data generation …

[PDF][PDF] Bayesian approach for the in situ estimation of the acoustic boundary admittance

JM Schmid, M Eser, S Marburg - Journal of Theoretical and …, 2023 - researchgate.net
Interior acoustic problems require accurately representing the boundary conditions of all
acoustically interacting surfaces to achieve precise acoustic predictions. The complex …

Uncertainty quantification for direction-of-arrival estimation with conformal prediction

ID Khurjekar, P Gerstoft - The Journal of the Acoustical Society of …, 2023 - pubs.aip.org
Uncertainty quantification (UQ) of deep learning (DL)-based acoustic estimation methods is
useful for establishing confidence in the predictions. This is crucial to enable the real-world …

[PDF][PDF] Efficient analysis of energy-based surface contributions for an entire acoustic cavity

C Gurbuz, S Marburg - Journal of Theoretical and Computational …, 2023 - researchgate.net
Sound radiation from vibrating structures is a crucial concern in the vehicle design process.
One effective tool to recover vibration patterns on surfaces is the surface contribution …

Global control of propeller-induced aircraft cabin noise using active sound absorbers

D Mylonas, A Erspamer, C Yiakopoulos… - Journal of Sound and …, 2024 - Elsevier
A method to attenuate the global acoustic pressure of low-frequency harmonic acoustic
disturbances in the interior of a small aircraft cabin mockup is proposed herein. This method …

Efficient Sound Field Reconstruction with Conditional Invertible Neural Networks

X Karakonstantis, E Fernandez-Grande… - arXiv preprint arXiv …, 2024 - arxiv.org
In this study, we introduce a method for estimating sound fields in reverberant environments
using a conditional invertible neural network (CINN). Sound field reconstruction can be …