Abstract
The cerebral artery system can be affected by various diseases such as stroke, carotid stenosis, vertebral stenosis, intracranial stenosis, aneurysms, and vascular malformations. Understanding the blood flow specific to each patient's cerebral arteries can provide crucial information about how these diseases progress and guide potential treatment options. A patient-specific Magnetic Resonance Imaging (MRI) scan of a human brain was utilized to create a 3D model of the arterial system. Blood flow simulations were conducted using the ANSYS (Fluent) R2021 software package. The ICEM meshing tool within the ANSYS software was employed to prepare the models. The velocity rise and pressure drop were observed in the branching of the basilar artery. This can provide valuable patient specific information on various cerebral diseases, and drug delivery cases. The non-Newtonian properties of blood were established by inputting the Power Law parameters into the ANSYS Fluent system. It was observed that the effects of non-Newtonian properties of blood are relatively negligible for the large vessels studied (> 200 um).
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