Validation of a Fluid-Structure Interaction Model of a Heart Valve using the Dynamic Mesh Method in Fluent

Simulations of coupled problems such as fluid-structure interaction (FSI) are becoming more and more important for engineering purposes. This is particularly true when modeling the aortic valve, where the FSI between the blood and the valve determines the valve movement and the valvular hemodynamics...

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Bibliographic Details
Published in:Computer methods in biomechanics and biomedical engineering 2004-06, Vol.7 (3), p.139-146
Main Authors: Dumont, K., Stijnen, J.M.A., Vierendeels, J., van de Vosse, F.N., Verdonck, P.R.
Format: Article
Language:English
Subjects:
Algorithms
Aortic heart valve
Aortic Valve - physiology
Blood Flow Velocity - physiology
Blood Physiological Phenomena
Computational fluid dynamics
Computer Simulation
Equipment Failure Analysis - methods
Experimental validation
Finite Element Analysis
Fluid-structure interaction
Heart Valve Prosthesis
Hemorheology - methods
Humans
In vitro
Models, Cardiovascular
Numerical Analysis, Computer-Assisted
Software
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Summary:Simulations of coupled problems such as fluid-structure interaction (FSI) are becoming more and more important for engineering purposes. This is particularly true when modeling the aortic valve, where the FSI between the blood and the valve determines the valve movement and the valvular hemodynamics. Nevertheless only a few studies are focusing on the opening and closing behavior during the ejection phase (systole). In this paper, we present the validation of a FSI model using the dynamic mesh method of Fluent for the two-dimensional (2D) simulation of mechanical heart valves during the ejection phase of the cardiac cycle. The FSI model is successfully validated by comparing simulation results to experimental data obtained from in vitro studies using a CCD camera.
ISSN:1025-5842
1476-8259
DOI:10.1080/10255840410001715222