Proceedings Vol. 23 (2017)
ENGINEERING MECHANICS 2017
May 15 – 18, 2017, Svratka, Czech Republic
Copyright © 2017 Brno University of Technology, Faculty of Mechanical Engineering, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 390 - 393, full text
This contribution deals with the examination of the basic parameters of the lower respiratory tract of a human. Among these parameters are the diameters (cross-section area) of the channels dependent on the remoteness from the Larynx, the length of the individual branches, angles etc. Further we propose a semiautomatic method to regenerate the simplified geometry of the lower respiratory tract of a human from very detailed input (described by a surface mesh) for the subsequent formation of a 3D computational model. The final simplified geometry can be adjusted by user intervention (e.g. changing the specific diameter). The key feature in the simplification is that the cross section areas and channel length of the lower respiratory tract are maintained. The final 3D computation model of lower respiratory tract is easy to connect with a simplified vocal tract model (Vampola et al., 2008) and the basic acoustic characteristic or fluid flow depends on the tract geometry may be examined.
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