Numerical simulation of the vocal folds self-oscillation in interaction with the human 3D FE vocal tract model
Result description
Finite element (FE) model of flow induced oscillations of the human vocal folds in interaction with acoustic processes in a simplified 3D FE vocal tract model is presented. The FE model includes vocal folds pretension before starting phonation, large deformations of the vocal fold tissue, vocal folds contact, fluid-structure interaction, morphing the fluid mesh according the vocal folds motion, unsteady viscous compressible airflow described by the Navier-Stokes equations and airflow separation during the glottis closure. The developed model enables to study influence of some pathological changes in the vocal fold tissue on voice production. After a FE mesh refinement, the model cal be also used to simulate stresses that can result in tissue damages causing various voice disorders.
Keywords
biomechanics of human voicenumerical simulation of voice productionfluid structure interaction
The result's identifiers
Result code in IS VaVaI
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Numerical simulation of the vocal folds self-oscillation in interaction with the human 3D FE vocal tract model
Original language description
Finite element (FE) model of flow induced oscillations of the human vocal folds in interaction with acoustic processes in a simplified 3D FE vocal tract model is presented. The FE model includes vocal folds pretension before starting phonation, large deformations of the vocal fold tissue, vocal folds contact, fluid-structure interaction, morphing the fluid mesh according the vocal folds motion, unsteady viscous compressible airflow described by the Navier-Stokes equations and airflow separation during the glottis closure. The developed model enables to study influence of some pathological changes in the vocal fold tissue on voice production. After a FE mesh refinement, the model cal be also used to simulate stresses that can result in tissue damages causing various voice disorders.
Czech name
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Czech description
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Classification
Type
O - Miscellaneous
CEP classification
BI - Acoustics and oscillation
OECD FORD branch
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Result continuities
Project
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Basic information
Result type
O - Miscellaneous
CEP
BI - Acoustics and oscillation
Year of implementation
2010