Overview on state-of-the-art numerical modeling of the phonation process

M Döllinger, Z Zhang, S Schoder… - Acta …, 2023 - acta-acustica.edpsciences.org
Numerical modeling of the human phonatory process has become more and more in focus
during the last two decades. The increase in computational power and the use of high …

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 …

Acoustic modeling using the aeroacoustic wave equation based on Pierce's operator

S Schoder, É Spieser, H Vincent, C Bogey, C Bailly - AIAA Journal, 2023 - arc.aiaa.org
The capabilities of an aeroacoustic wave equation based on Pierce's operator (AWE-PO) for
modeling subsonic flow-induced sound and for sound prediction are investigated. The wave …

Anisotropic minimum dissipation subgrid-scale model in hybrid aeroacoustic simulations of human phonation

M Lasota, P Šidlof, P Maurerlehner… - The Journal of the …, 2023 - pubs.aip.org
This article deals with large-eddy simulations of three-dimensional incompressible laryngeal
flow followed by acoustic simulations of human phonation of five cardinal English vowels,/A …

[HTML][HTML] Semi-implicit fluid–structure interaction in biomedical applications

R Schussnig, DRQ Pacheco, M Kaltenbacher… - Computer Methods in …, 2022 - Elsevier
Fluid–structure interaction (FSI) incorporates effects of fluid flows on deformable solids and
vice versa. Complex biomedical problems in clinical applications continue to challenge …

Synthetic, self-oscillating vocal fold models for voice production research

SL Thomson - The Journal of the Acoustical Society of America, 2024 - pubs.aip.org
Sound for the human voice is produced by vocal fold flow-induced vibration and involves a
complex coupling between flow dynamics, tissue motion, and acoustics. Over the past three …

Re-training of convolutional neural networks for glottis segmentation in endoscopic high-speed videos

M Döllinger, T Schraut, LA Henrich, D Chhetri… - Applied Sciences, 2022 - mdpi.com
Endoscopic high-speed video (HSV) systems for visualization and assessment of vocal fold
dynamics in the larynx are diverse and technically advancing. To consider resulting …

On the alignment of acoustic and coupled mechanic-acoustic eigenmodes in phonation by supraglottal duct variations

F Kraxberger, C Näger, M Laudato, E Sundström… - Bioengineering, 2023 - mdpi.com
Sound generation in human phonation and the underlying fluid–structure–acoustic
interaction that describes the sound production mechanism are not fully understood. A …

[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 …

Controlling chaotic vocal fold oscillations in the numerical production of vowel sounds

O Guasch, M Freixes, M Arnela, A Van Hirtum - Chaos, Solitons & Fractals, 2024 - Elsevier
Lumped mass models have been studied in depth to unveil the complex nonlinear physics
of phonation. Even in the case of simple symmetric models, slight changes in muscle …