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Finite element modelling of the effect of lamina propria properties on vocal-fold vibrations and produced sound

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F13%3A00395102" target="_blank" >RIV/61388998:_____/13:00395102 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216305:26210/13:PU108202

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Finite element modelling of the effect of lamina propria properties on vocal-fold vibrations and produced sound

  • Original language description

    The study presents a two-dimensional (2D) finite element (FE) model of the fluid-structure-acoustic interaction during self-sustained oscillation of the human vocal folds. The effect of lamina propria thickness and material properties on simulated videokymographic (VKG) images of vocal-fold vibrations and produced sound spectra is analyzed. The developed FE model includes large deformations of the vocal-fold tissue, vocal-fold contact, fluid-structure interaction, morphing the fluid mesh according to the vocal-fold motion, unsteady viscous compressible airflow described by the Navier-Stokes equations and airflow separation during the glottis closure. The developed FE model can be used to study relations among pathological changes in vocal folds tissue,the resulting VKG images and the produced sound spectra.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    BI - Acoustics and oscillation

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GAP101%2F12%2F1306" target="_blank" >GAP101/12/1306: Biomechanical modeling of human voice production - way to artificial vocal folds</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2013

  • Confidentiality

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