Numerical Study on the Pulsatile Blood Flow through a Bileaflet Mechanical Heart Valve and Leaflet Behavior Using Fluid-Structure Interaction (FSI) Technique

2004 ◽  
Vol 7 (3) ◽  
pp. 14-22
Author(s):  
Choeng-Ryul Choi ◽  
Chang-Nyung Kim
Keyword(s):  
Blood Flow ◽  
Heart Valve ◽  
Numerical Study ◽  
Fluid Structure Interaction ◽  
Mechanical Heart Valve ◽  
Pulsatile Blood Flow ◽  
Fluid Structure ◽  
Structure Interaction ◽  
Bileaflet Mechanical Heart Valve ◽  
Flow Through

Fluid Structure Interaction Analysis of Blood Flow Through a Mechanical Heart Valve

2008 ◽  
Author(s):  
Alejandro Roldán ◽  
Nancy Sweitzer ◽  
Tim Osswald ◽  
Naomi Chesler
Keyword(s):  
Blood Flow ◽  
Heart Valve ◽  
Heart Valves ◽  
Interaction Analysis ◽  
Fluid Structure Interaction ◽  
Mechanical Heart Valve ◽  
Fluid Structure ◽  
Structure Interaction ◽  
Flow Through ◽  
Domain Discretization

Modeling pulsatile flow past heart valves remains a relatively unexplored but critical area. Due to the geometric complexity and the interaction between the flowing blood and the heart valve leaflets, existing numerical techniques that require domain discretization, such as finite element methods or finite difference techniques, cannot fully represent the moving and deforming boundaries present in an operating valve. Our aim is to develop a technique to model the flow through heart valves which includes the interaction between the blood flow and the valve leaflets using the radial functions method (RFM). The RFM is a meshless technique that fully accounts for moving and deforming surfaces and thus is well suited to model the blood flow and its interaction with leaflet motion. Here we present a 2D fluid structure interaction (FSI) model of the blood flow through a bileaflet mechanical heart valve (MHV).

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