The Application of Lighthill Analogy on the Numerical Simulation of Human Phonation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F17%3A00312244" target="_blank" >RIV/68407700:21220/17:00312244 - isvavai.cz</a>
Result on the web
<a href="http://www.it.cas.cz/fm2015/im/admin/showfile/data/my/Papers/2017/38-TPFM2017.pdf" target="_blank" >http://www.it.cas.cz/fm2015/im/admin/showfile/data/my/Papers/2017/38-TPFM2017.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14311/TPFM.2017.038" target="_blank" >10.14311/TPFM.2017.038</a>

Result language
angličtina
Original language name
The Application of Lighthill Analogy on the Numerical Simulation of Human Phonation
Original language description
This paper deals with the numerical simulation of the flow induced sound as generated in the human phonation process. The partitioned approach is used for solving the fluid-structure interaction, whereas the acoustic part is only weakly coupled. The two-dimensional fluid-structure interaction problem is modelled with the aid of linear elasticity theory and by the incompressible Navier-Stokes equations in the arbitrary Lagrangian-Eulerian form. For calculation of sound sources and its propagation the inhomogeneous wave equation of Lighthill is applied and solved by the finite element method. Further, the numerical model based on finite element method is described for the elastic body motion, the fluid flow and the acoustics. In order to overcome numerical instabilities arising due to high Reynolds numbers, the modified streamline-upwind/Petrov-Galerkin stabilization is used. Finally, the implemented iterative coupling procedure is explained and numerical results are presented.
Czech name
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Czech description
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Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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