Numerical investigation of blood rheology in ventricular assist devices: effects on performance and shear stress

Mohamed Bounouib, Reda Lakraimi and Mourad Taha‐Janan

Computer Methods in Biomechanics and Biomedical Engineering, 2025, vol. 28, issue 11, 1836-1846

Abstract: This study evaluates whether Newtonian models can replace non-Newtonian models in ventricular assist device (VAD) simulations. Five rheological models were compared in an axial-flow VAD using ANSYS CFX. High-shear conditions (92% > 300 s−1 rendered non-Newtonian effects negligible, with errors

Date: 2025
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DOI: 10.1080/10255842.2025.2512876

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