Title: Numerical simulation of airflow through the model of oscillating vocal folds
Authors: Prokopová, Jaroslava
Feistauer, Miloslav
Horáček, Jaromír
Kučera, Václav
Citation: Applied and Computational Mechanics. 2010, vol. 4, no. 2, p. 215-224.
Issue Date: 2010
Publisher: University of West Bohemia
Document type: článek
URI: http://www.kme.zcu.cz/acm/index.php/acm/article/view/22/51
ISSN: 1802-680X (Print)
2336-1182 (Online)
Keywords: biomechanika lidského hlasu;Navierova-Stokesova rovnice;Lagrang-Eulerova metoda;metoda konečných prvků;numerická simulace
Keywords in different language: biomechanics of human voice;Navier-Stokes equation;Lagrange-Eulerian method;finite element method;numerical simulation
Abstract: This work deals with numerical simulation of flow in time-dependent 2D domains with a special interest in medical applications to airflow in human vocal folds. The mathematical model of this process is described by the compressible Navier-Stokes equations. For the treatment of the time-dependent domain, the Arbitrary Lagrangian- Eulerian (ALE) method is used. The discontinuous Galerkin finite element method (DGFEM) is used for the space semidiscretization of the governing equations in the ALE formulation. The time discretization is carried out with the aid of a linearized semi-implicit method with good stability properties. We present some computational results for flow in a channel with a prescribed periodic motion of a part of the channel walls.
Rights: © 2010 University of West Bohemia. All rights reserved.
Appears in Collections:Volume 4, number 2 (2010)
Volume 4, number 2 (2010)

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