Journal
COMPUTERS & MATHEMATICS WITH APPLICATIONS
Volume 60, Issue 3, Pages 572-590Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.camwa.2010.05.004
Keywords
Non-Newtonian fluids; Fluid-structure interaction; Shear-thinning flow; Hemodynamic wall parameters; Stenosis
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Funding
- European Union [DEASE: MEST-CT-2005-021122]
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The aim of this contribution is to present recent results on numerical modelling of non-Newtonian flow in compliant stenosed vessels with application in hemodynamics. We consider two models of shear-thinning non-Newtonian fluids and compare them with the Newtonian model. For the structure problem, the generalized string equation for radial symmetric tubes is used and extended to a stenosed vessel. The global iterative approach to approximate the fluid-structure interaction is used. Finally, we present numerical experiments for some non-Newtonian models, comparisons with the Newtonian model and the results for hemodynamic wall parameters such as the wall shear stress and the oscillatory shear index. (C) 2010 Elsevier Ltd. All rights reserved.
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