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Numerical study of shear-dependent non-Newtonian fluids in compliant vessels

Computers & Mathematics with Applications. Bd. 60. H. 3. Elsevier BV 2010 S. 572 - 590

Erscheinungsjahr: 2010

Publikationstyp: Zeitschriftenaufsatz

Sprache: Englisch

Doi/URN: 10.1016/j.camwa.2010.05.004

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Inhaltszusammenfassung


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, w...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.» weiterlesen» einklappen

  • Non-Newtonian fluids,Fluid–structure interaction,Shear-thinning flow,Hemodynamic wall parameters,Stenosis

Autoren


Hundertmark-Zaušková, A. (Autor)
Lukáčová-Medvid’ová, M. (Autor)

Klassifikation


DDC Sachgruppe:
Mathematik

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