Blood Flow Dynamics in Cerebral Aneurysm - A CFD Simulation☆
2015
Abstract In the present study, the dynamics of blood flow in saccular cerebral aneurysms is investigated. The aneurysm is considered to be located at an arterial bend in human vascular system. The flow field is analyzed computationally by three-dimensional Navier-Stokes equation for laminar flow of incompressible Newtonian fluid. Circular and elliptical necks of different sizes are studied. The vascular wall is considered rigid for simplicity. Hemodynamic parameters such as velocity, pressure, vortices, wall shear stress and so on are considered for characterization of flow field. Results showed that the vortex location, inflow area in the neck and so on are varied significantly with the geometrical parameter of the aneurysm.
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