3D NUMERICAL SIMULATIONS OF HUMAN PHONATION

被引：0

作者：

Kaltenbacher, Manfred ^{[1
]}

Zoerner, Stefan ^{[1
]}

Hueppe, Andreas ^{[1
]}

Sidlof, Petr ^{[2
]}

机构：

[1] Vienna Univ Technol, A-1040 Vienna, Austria

[2] Tech Univ Liberec, Liberec 46117, Czech Republic

来源：

11TH WORLD CONGRESS ON COMPUTATIONAL MECHANICS; 5TH EUROPEAN CONFERENCE ON COMPUTATIONAL MECHANICS; 6TH EUROPEAN CONFERENCE ON COMPUTATIONAL FLUID DYNAMICS, VOLS V - VI | 2014年

关键词：

Multiphysics Problems; Human Phonation;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The human phonation process is an aeroacoustic phenomenon, induced by air flowing through the larynx. Thereby, the air interacts with the vocal folds, forcing them to vibrate. To be able to capture the 3D flow field, we simplify the model by prescribing the motion of the vocal folds and then determine 3D flow field using the finite volume solver OpenFoam. In a next step the aeroacoustic source terms are calculated, with the help of our research code CFS++. Hereby, we compare the two hybrid methods Lighthill's analogy and a perturbation approach to determine their applicability to the problem at hand. Furthermore, a vocal tract and acoustic propagation is added to the acoustic domain. This enables us to include the impact of the additional volumes and compare it to measured data.

引用

页码：5941 / 5951

页数：11

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