Simulation of turbulent pulsatile flow past a mechanical heart valve
Document Type
Article
Publication Date
12-1-1996
Department
Mechanical Engineering
Abstract
The thrombogenicity of all mechanical heart valves is primarily due to an activation of platelets. As a blood platelet passes through a mechanical heart valve it is exposed to varying degrees of shear, elongational and turbulent stresses. Numerical simulation of turbulent pulsatile flow through a 2D model of a St. Jude bileaflet valve in the aortic position was obtained, to allow the quantitative examination of the cumulative effects of elevated stresses on the blood platelets. The simulation was used to indicate the potential for stress-induced platelet activation due to anomalous flow patterns produced by the valve, a problem shared by all mechanical heart valves designs in use today.
First Page
285
Last Page
286
Publication Title
American Society of Mechanical Engineers, Bioengineering Division (Publication) BED
Recommended Citation
Bluestein, D., Schoephoerster, R. T. (1996). Simulation of turbulent pulsatile flow past a mechanical heart valve. American Society of Mechanical Engineers, Bioengineering Division (Publication) BED, 33: 285-286.
Comments
At the time of publication, Richard T. Schoephoerster was affiliated with Florida International University.