Title :
An hemodynamic work bench for in-vitro measurements in arterial bifurcations: Experimental results and comparison with the output of a simplified CFD model
Author :
Suarez-Bagnasco, D. ; Armentano, Ricardo L. ; Balay, Guillermo ; Negreira, C.
Author_Institution :
Lab. de Acust. Ultrasonora (LAU), Univ. de la Republica (UdelaR), Montevideo, Uruguay
Abstract :
To quantify fluid-structure interactions in arterial walls, from a biomechanical standpoint, a complete characterization of blood flow, shear stress in the interface between blood and endothelium, wall elasticity and wall stresses distribution are needed. A new specific multi-parameter measurement system for an in-vitro characterization of the biomechanics and hemodynamic in arterial bifurcations is described. Some experimental in-vitro results, under near physiologic pulsated flow, are shown for a physical model of arterial bifurcation surgically implemented from a sample of fresh porcine aorta. In-vitro results are compared with in-silico results obtained from a simple CFD model of the above mentioned bifurcation.
Keywords :
bifurcation; biomedical measurement; blood; blood vessels; elasticity; haemodynamics; pulsatile flow; shear flow; arterial bifurcation; arterial walls; biomechanics; blood flow; endothelium; fluid-structure interactions; fresh porcine aorta; hemodynamic work bench; in-vitro characterization; in-vitro measurements; multiparameter measurement system; physical model; physiologic pulsated flow; shear stress; wall elasticity; wall stress distribution; Arteries; Bifurcation; Biological system modeling; Biomechanics; Computational fluid dynamics; Hemodynamics;
Conference_Titel :
Engineering in Medicine and Biology Society (EMBC), 2013 35th Annual International Conference of the IEEE
Conference_Location :
Osaka
DOI :
10.1109/EMBC.2013.6609605