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Finite Element Modeling of Airflow During Phonation

Petr Sidlof 1, 2 E Lunéville 3 C Chambeyron 3 Olivier Doaré 1 A Chaigne 1 J Horáček 2
3 POEMS - Propagation des Ondes : Étude Mathématique et Simulation
Inria Saclay - Ile de France, UMA - Unité de Mathématiques Appliquées, CNRS - Centre National de la Recherche Scientifique : UMR7231
Abstract : In the paper a mathematical model of airflow in human vocal folds is presented. The geometry of the glottal channel is based on measurements of excised human larynges. The airflow is modeled by nonstationary incompressible Navier-Stokes equations in a 2D computational domain, which is deformed in time due to vocal fold vibration. The paper presents numerical results and focuses on flow separation in glottis. Quantitative data from numerical simulations are compared to results of measurements by Particle Image Velocimetry (PIV), performed on a scaled self-oscillating physical model of vocal folds.
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Petr Sidlof, E Lunéville, C Chambeyron, Olivier Doaré, A Chaigne, et al.. Finite Element Modeling of Airflow During Phonation. Journal of Computational and Applied Mechanics, Miskolci Egyetemi Kiadó, 2010, 4, pp.121-132. ⟨hal-01133647⟩

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