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Fluid Dynamics of Phonation.
KTH, School of Engineering Sciences (SCI), Mechanics.
2014 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This thesis aims at presenting the studies conducted using computational modeling for understanding physiology of glottis and mechanism of phonation. The process of phonation occurs in the larynx, commonly called the voice box, due to the self-sustained vibrations induced in the vocal folds by the airflow. The physiology of glottis can be understood using fluid dynamics which is a vital process in developing and discovering voice disorder treatments.

Simulations have been performed on a simplified two-dimensional version of the glottis to study the behavior of the vocal folds with help of fluid structure interaction. Fluid and structure interact in a two-way coupling and the flow is computed by solving 2D compressible Navier-Stokes equations. This report will present the modeling approach, solver characteristics and outcome of the three studies conducted; glottal gap study, Reynolds number study and elasticity study.

Place, publisher, year, edition, pages
2014. , 20 p.
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-149250OAI: diva2:738385
Available from: 2014-08-18 Created: 2014-08-18 Last updated: 2014-08-18Bibliographically approved

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Rutvika Acharya kandidatexamensrapport.(1676 kB)286 downloads
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