WIT Press


Blood Flow In Vessels With Artificial Or Pathological Geometrical Changes

Price

Free (open access)

Volume

73

Pages

9

Published

2004

Size

3,089 kb

Paper DOI

10.2495/DN040461

Copyright

WIT Press

Author(s)

P. Tibaut, B. Wiesler, M. Mayer & R. Wegenkittel

Abstract

For more than a decade numerical investigations of blood flow inside vessels have been performed. Due to an increase in software user-friendliness and computer performance, these simulations are gaining more and more practical importance. The influence of geometrical changes of the vessels, e.g. by stenotic lesions, aneurysm, or by-pass operations, are subject of these investigations. A number of special features have to be considered to accurately calculate blood flow. Mainly the transient flow behavior due to the heartbeat and the non-Newtonian flow effects, especially the dependency of the blood viscosity on the local shear rate, has to be mentioned in that respect. The blood flow in a healthy natural junction, arteria vertebralis dextra and sinistra with ateria basi

Keywords



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