Numerical Solution of Newtonian and Non - Newtonian Flows in Bypass

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F09%3A00167177" target="_blank" >RIV/68407700:21220/09:00167177 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Numerical Solution of Newtonian and Non - Newtonian Flows in Bypass
Original language description
This paper deals with a numerical solution of laminar incompressible steady flows of Newtonian and non-Newtonian fluids through bypass of a restricted vessel. Blood flow is considered to be Newtonian in the case of vessels of large diameters as aorta. Onthe other hand, with decreasing diameter of a vessel the non-Newtonian behavior of blood can play a significant role. One could describe these problems using Navier-Stokes equations and continuity equation as a model. In the case of Newtonian fluids oneconsiders constant viscosity compared to non-Newtonian fluids where viscosity varies and can depend on the tensor of deformation. In order to find numerical solution, the system of equations is completed using an artificial compressibility method. The space derivatives are discretised using a cell centered finite volume method and arising system of ordinary differential equations is solved using an explicit multistage Runge-Kutta method with given steady boundary conditions.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BK - Liquid mechanics
OECD FORD branch
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Project
<a href="/en/project/IAA100190804" target="_blank" >IAA100190804: The motion of rigid bodies in liquid: mathematical analysis, numerical simulation and related problems</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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