Publication detail
FE Model of Flow Induced Vocal Folds Oscillations in Interaction with Acoustic Spaces of the Vocal Tract
ŠVANCARA, P. HRŮZA, V. HORÁČEK, J.
Czech title
Konečněprvkový model interakce vzduchem vybuzených kmitů hlasivek s akustickými procesy ve vokálním traktu
English title
FE Model of Flow Induced Vocal Folds Oscillations in Interaction with Acoustic Spaces of the Vocal Tract
Type
conference paper
Language
en
Original abstract
The study presents a 3D finite element (FE) model of self-oscillating human vocal folds in interaction with the airflow coming from the subglottal spaces to simplified spaces of the vocal tract. FE model includes fluid-structure interaction, morphing the fluid mesh according the vocal folds motion, unsteady viscous compressible airflow, airflow separation, large deformations of the vocal fold tissue, vocal folds pretension before phonation and vocal folds contact during the collisions. Aim of this study is to verify the developed FE model and to improve the stability of the computational algorithm.
Czech abstract
V příspěvku je prezentován prostorový (3D) konečněprvkový (MKP) model interakce vzduchem vybuzených kmitů hlasivek sakustickými procesy ve vokálním traktu. Model je poháněn proudem vzduchu dodávaným z plic. Vytvořený MKP model zahrnuje velké deformace tkáně hlasivek, předpětí hlasivek před začátkem fonace, kontakt hlasivek, nestacionární viskózní stlačitelné proudění a přerušování proudu vzduchu. Cílem tothot příspěvku je ověřit vytvořený MKP model a zlepšit jeho stabilitu.
English abstract
The study presents a 3D finite element (FE) model of self-oscillating human vocal folds in interaction with the airflow coming from the subglottal spaces to simplified spaces of the vocal tract. FE model includes fluid-structure interaction, morphing the fluid mesh according the vocal folds motion, unsteady viscous compressible airflow, airflow separation, large deformations of the vocal fold tissue, vocal folds pretension before phonation and vocal folds contact during the collisions. Aim of this study is to verify the developed FE model and to improve the stability of the computational algorithm.
Keywords in Czech
hlasivky, interakce struktury s tekutinou, akustika, MKP
Keywords in English
vocal folds, fluid structure interaction, acoustics, FEM
RIV year
2009
Released
18.05.2009
Publisher
Technical University of Madrid
Location
Madrid, Spain
ISBN
84-95227-64-9
Book
Proceedings of the 3rd Advanced Voice Function Assessment International Workoshop
Pages from–to
17–20
Pages count
4
BIBTEX
@inproceedings{BUT29406,
author="Pavel {Švancara} and Jaromír {Horáček} and Václav {Hrůza},
title="FE Model of Flow Induced Vocal Folds Oscillations in Interaction with Acoustic Spaces of the Vocal Tract",
booktitle="Proceedings of the 3rd Advanced Voice Function Assessment International Workoshop",
year="2009",
month="May",
pages="17--20",
publisher="Technical University of Madrid",
address="Madrid, Spain",
isbn="84-95227-64-9"
}