[HTML][HTML] Validation of an eigenvalue-based inverse method for estimating locally-reacting surface impedance

AG Prinn, P Panter, A Walther, EAP Habets - Applied Acoustics, 2025 - Elsevier
Accurate boundary condition descriptions are essential for creating accurate computational
models for room acoustics. These descriptions are often defined in terms of absorption …

[HTML][HTML] Physics-informed neural networks for acoustic boundary admittance estimation

JD Schmid, P Bauerschmidt, C Gurbuz, M Eser… - … Systems and Signal …, 2024 - Elsevier
Acoustic simulations often face significant uncertainties due to limited knowledge of acoustic
boundary conditions. While measuring the boundary admittance in situ is challenging in …

In situ sound absorption estimation with the discrete complex image source method

E Brandao, W Fonseca, P Mareze, C Resende… - arXiv preprint arXiv …, 2024 - arxiv.org
Estimating the sound absorption in situ relies on accurately describing the measured sound
field. Evidence suggests that modeling the reflection of impinging spherical waves is …

[PDF][PDF] Concepts for Frequency Sweeps and Efficient Repeated Analysis in the Context of Vibroacoustic Optimization and Uncertainty Quantification

S Marburg - International Journal of Acoustics & Vibration, 2024 - iiav.org
This paper aims at passive noise control for vibroacoustic problems, which are analyzed by
finite and boundary element techniques. The author distinguishes interior and exterior …

[PDF][PDF] Probabilistic Estimation of the Oblique Incidence Sound Absorption Coefficient-A Numerical Concept Study

M Eser, C Gurbuz, E Brandao, S Marburg - 2023 - researchgate.net
The in situ absorption characteristics of sound absorbing panels can be inversely estimated
from sound field measurements above a specimen under free-field conditions or in a semi …