Original title: Finite element modal analysis of a silicone vocal fold filled with fluid
Authors: Hájek, P. ; Radolf, Vojtěch ; Horáček, Jaromír ; Švec, J. G.
Document type: Papers
Conference/Event: Engineering Mechanics 2023 /29./, Milovy (CZ), 20230509
Year: 2023
Language: eng
Abstract: A three dimensional (3D) finite element (FE) model of a silicone vocal fold (VF) filled with fluid is presented here. The silicone part of the model is based on partial differential equations of the continuum mechanics and consider large deformations. The fluid domain encapsulated in the silicone VF is defined semianalytically as a lumped-element model describing the fluid in hydrostatic conditions. The elongated and pressurized silicone VF was subjected to perturbed modal analysis. Results showed that the choice of the fluid inside the VF substantially influences the natural frequencies. Namely, the water-filling lowers the natural frequencies approximately by half over the air-filling. Besides, the procedure of reverse engineering for obtaining the geometry of the VF from already 3D-printed mold is introduced.
Keywords: biomechanics of voice; finite element method; perturbed modal analysis; reverse engineering; vocal folds
Host item entry: Engineering Mechanics 2023, ISBN 978-80-87012-84-0, ISSN 1805-8248

Institution: Institute of Thermomechanics AS ČR (web)
Document availability information: Fulltext is available at external website.
External URL: https://www.engmech.cz/improc/2023/087.pdf
Original record: https://hdl.handle.net/11104/0349485

Permalink: http://www.nusl.cz/ntk/nusl-538538


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Research > Institutes ASCR > Institute of Thermomechanics
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