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The aim is to identify the main aerodynamic mechanisms involved in the phonation process using advanced simulations.

Principal aerodynamic mechanisms in phonatory flow

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The aim is to identify the main aerodynamic mechanisms involved in the phonation process using advanced simulations.
Conducted high-fidelity simulations of fluid interaction with compliant vocal folds.
Employed the Modified Immersed Finite Element Method for analysis.
Examined a three-layer, viscoelastic model of vocal folds under specified conditions.
Analyzed the aerodynamic balance of pressure drag and pressure force using integral equations.
Vocal folds vibrated at a frequency of 227 Hz with subharmonic modulation.
Fluid dynamic friction was negligible compared to the pressure forces acting on the folds.
Flow work input was used energetically, with 21% contributing to work on the vocal folds and 70% causing losses.

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High-fidelity simulations reveal dominant aerodynamic mechanisms in phonation, suggesting new insights into vocal fold dynamics.

Yu et al. (2026) studied this question.

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