Engineering Mechanics

International Conference

Proceedings Vol. 9 (2003)


ENGINEERING MECHANICS 2003

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 11 – 15, 2003, Svratka, Czech Republic
;
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2003 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 80-86246-18-3 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Numerical simulation of self-oscillations of human vocal folds based on aeroelastic theory
Horáček J., Šidlof P.
pages 110 - +10p., full text

Linear two degrees of freedom aero-elastic system for modelling vibrations of human vocal folds was originally developed by which the physiological conditions for so-called phonation thresholds were modelled. The thresholds are given by aero-elastic instabilities of divergence or flutter type. Afterwards the model was generalised taking into account the non-linear aerodynamic terms, important for small glottal openings and large vibration amplitudes. Now, after adding the Hertz's contact model for the impacts of the vocal folds into the developed aero-elastic model a complete numerical simulation of self-oscillations of the vocal folds during phonation is made possible.


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