| Issue |
MATEC Web Conf.
Volume 406, 2024
2024 RAPDASA-RobMech-PRASA-AMI Conference: Unlocking Advanced Manufacturing - The 25th Annual International RAPDASA Conference, joined by RobMech, PRASA and AMI, hosted by Stellenbosch University and Nelson Mandela University
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| Article Number | 08001 | |
| Number of page(s) | 17 | |
| Section | Product Design and Development | |
| DOI | https://doi.org/10.1051/matecconf/202440608001 | |
| Published online | 09 December 2024 | |
Analysis of the influence of belly thickness and free edge curves on the hemodynamic performance of a polymer heart valve
1&3 Department of Mechanical and Mechatronics Engineering, Central University of Technology, Free State, South Africa
2 Centre for Rapid Prototyping and Manufacturing, Faculty of Engineering, Built Environment and Information Technology, Central University of Technology, Free State, South Africa
* Corresponding author: lmasheane@cut.ac.za
Polymer heart valves are emerging as a viable attractive substitute for mechanical and biological valves because of recent developments in material and manufacturing production. This study focuses on key aspect of design optimization in addressing challenges associated with the fatigue and hemodynamic performance of polymer heart valves. Numerical simulations were conducted to investigate the effects of belly and free edge curves on the mechanical stress and hemodynamic performance of the leaflets. Results showed that increasing leaflet thickness reduced stress and uncontrolled thickness could result in stiffer valves affecting valve natural functioning. Curved free edges of the leaflets also necessitated more effort to unfold them fully. Optimizing leaflet curvature and thickness could significantly improve valve performance.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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