The paper presents a study of hemodynamic processes in an artery with stenosis. The Navier–Stokes model and the Carreau model for a non-Newtonian fluid are proposed for computer simulations. Computational experiments were performed using the FlowVision© software. The results of a test simulation for blood flow in the 2D tube, as well as a simulation for the native artery model, based on medical research data, are presented. The simulation results show that in a native artery with a stenosis, the distribution of blood velocity and viscosity may be asymmetric, and their local values differ significantly from the average values observed in the artery after the presumed revascularization. The results have great potential importance for diagnosing and treating arterial stenosis.
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Starodumov, I.O., Blyakhman, F.A., Sokolov, S.Y. et al. In-silico study of hemodynamic effects in a coronary artery with stenosis. Eur. Phys. J. Spec. Top. 229, 3009–3020 (2020). https://doi.org/10.1140/epjst/e2020-000128-2