Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26264
Title: Expiratory flow in a rigid three-generation airway with one collapsible segment
Authors: Yang, XL
Liu, Y 
Yang, JM
Keywords: CFD
Collapsible tubes
Expiratory flow
Fluid-structure interaction
Issue Date: 2009
Publisher: John Wiley & Sons Ltd
Source: Communications in numerical methods in engineering, 2009, v. 25, no. 5, p. 553-563 How to cite?
Journal: Communications in Numerical Methods in Engineering 
Abstract: The expiratory flow in a rigid three-generation airway with one collapsible segment was numerically studied using fluid-structure interaction technique. A self-developed finite element method code was used to calculate the nonlinear deformation of the thin-walled structure, whereas a commercial computational fluid dynamics solver was used to resolve the fluid flow. The elastic tube in the second-generation branch collapsed into wave number N =3 mode. The deformation of the collapsible tube increased the resistance to the fluid flow and formed a jet that altered the downstream flow pattern significantly.
URI: http://hdl.handle.net/10397/26264
DOI: 10.1002/cnm.1198
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