Engineering Mechanics

Proceedings Vol. 22 (2016)

ENGINEERING MECHANICS 2016

22nd INTERNATIONAL CONFERENCE
May 9 – 12, 2016, Svratka, Czech Republic

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Editors: Igor Zolotarev and Vojtěch Radolf

ISBN 978-80-87012-59-8 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

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USING THE PROPER ORTHOGONAL DECOMPOSITION ANALYSIS FOR DETECTING PATHOLOGIC VOCAL FOLD VIBRATION

Štorkán J., Vampola T., Horáček J.
pages 567 - 570, full text

A three-dimensional (3D) finite element (FE) fully parametric model of the human larynx based on computer tomography (CT) measurements was developed and specially adapted for numerical simulation of vocal folds vibrations with collisions. The complex model consists of the vocal folds, arytenoids, thyroid and cricoid cartilages. The vocal fold tissue is modeled as a four layered material where part of the cover was substituted by a liquid layer modelling the superficial layer of lamina propria. The proper orthogonal decomposition (POD) analysis of the excited modes of vibration was used for detecting changes in vibration properties of the vocal folds caused by pathologic changes of vocal fold structure (vocal nodule).

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Engineering Mechanics

International Conference

Proceedings Vol. 22 (2016)

ENGINEERING MECHANICS 2016