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A numerical analysis is carried out using ANSYS fluent tool to assess coil size and compactness value on unruptured aneurysm after coiling treatment. The study reports the effect of endovascular embolization on blood hemodynamics inside unruptured aneurysm. The coiled aneurysm is model as porous volume with porosity and permeability related to the coil size and compactness value. The results show as coil compactness increases and coil diameter decreases, the blood inflow to aneurysm volume decreases. The reduction in blood inflow to the aneurysm reduces the risk of aneurysm rupture. Also, it reduces flow circulation with the aneurysm and promote thromboses which seals aneurysm.

Using CFD Simulation and Porous Medium Analogy to Assess Cerebral Aneurysm Hemodynamics after Endovascular Embolization