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Patient-specific aortic arch cfd analysis
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About the Patient-Specific Aortic Arch CFD Analysis Project
This CFD simulation investigates blood flow through a human aortic arch model with five outlet branches: the descending aorta, right common carotid artery, right subclavian artery, left common carotid artery, and left subclavian artery. The model corresponds to a young female patient with a single ventricle defect. Blood was modeled as an incompressible Newtonian fluid, with a prescribed inlet condition applied at the ascending aorta and rigid no-slip vessel walls. The outlet flow distribution was assigned using a geometry-adjusted split: 79% to the descending aorta, 7.5% to the right common carotid artery, 7.5% to the right subclavian artery, 3% to the left common carotid artery, and 3% to the left subclavian artery. This approach divides the previous brachiocephalic contribution between its two daughter branches while limiting flow through the smaller left-side branches. The simulation results show the pressure distribution, velocity streamlines, and wall shear stress over the aortic arch. Flow accelerates through the curved arch and into the branch vessels, with most of the flow continuing into the descending aorta. Localized wall shear stress elevations occur near branch takeoffs and curved/narrowed vessel regions, where stronger near-wall velocity gradients are expected. This case demonstrates CFD-based analysis of patient-specific aortic hemodynamics in a congenital heart disease anatomy. CAD model of human aortic arch used in this cfd simulation is from https://www.vascularmodel.com/dataset.html#0
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July 13th, 2026 Uploaded
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