Aeroacoustic simulation of human phonation based on the flow-induced vocal fold vibrations including their contact

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F24%3A00377282" target="_blank" >RIV/68407700:21220/24:00377282 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1016/j.advengsoft.2024.103652" target="_blank" >https://doi.org/10.1016/j.advengsoft.2024.103652</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.advengsoft.2024.103652" target="_blank" >10.1016/j.advengsoft.2024.103652</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Aeroacoustic simulation of human phonation based on the flow-induced vocal fold vibrations including their contact

Popis výsledku v původním jazyce

This paper deals with the numerical simulation of the flow induced sound as generated in the human phonation process including vocal folds (VF) contact. The hybrid approach is used allowing to separate the acoustic and the biomechanical description of the considered problem. The two-dimensional fluid-structure interaction (FSI) problem is modelled by a simplified linear elastic model coupled to the incompressible Navier-Stokes equations in the arbitrary Lagrangian-Eulerian form and special attention is paid to the treatment of the contact problem in the FSI context. Following approach of [Sv & aacute;& ccaron;ek and Hor & aacute;& ccaron;ek, 2021] the incompressible flow model is modified by an addition of fictitious porosity term and the penalization inlet boundary condition is used. Further, the Lighthill acoustic analogy is applied for calculation of sound sources and their propagation through a vocal tract model. All partial differential equations, describing the elastic body vibration, the fluid flow and the acoustics, are approximated by finite element method. Numerical results of one-sided vocal fold paralysis are presented.

Název v anglickém jazyce

Aeroacoustic simulation of human phonation based on the flow-induced vocal fold vibrations including their contact

Popis výsledku anglicky

This paper deals with the numerical simulation of the flow induced sound as generated in the human phonation process including vocal folds (VF) contact. The hybrid approach is used allowing to separate the acoustic and the biomechanical description of the considered problem. The two-dimensional fluid-structure interaction (FSI) problem is modelled by a simplified linear elastic model coupled to the incompressible Navier-Stokes equations in the arbitrary Lagrangian-Eulerian form and special attention is paid to the treatment of the contact problem in the FSI context. Following approach of [Sv & aacute;& ccaron;ek and Hor & aacute;& ccaron;ek, 2021] the incompressible flow model is modified by an addition of fictitious porosity term and the penalization inlet boundary condition is used. Further, the Lighthill acoustic analogy is applied for calculation of sound sources and their propagation through a vocal tract model. All partial differential equations, describing the elastic body vibration, the fluid flow and the acoustics, are approximated by finite element method. Numerical results of one-sided vocal fold paralysis are presented.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10102 - Applied mathematics

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Advances in Engineering Software

ISSN

0965-9978

e-ISSN

1873-5339

Svazek periodika

194

Číslo periodika v rámci svazku

103652

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

1-10

Kód UT WoS článku

001239922500001

EID výsledku v databázi Scopus

2-s2.0-85192297233