Influence of Inlet Secondary Curvature on Hemodynamics in Subject-Specific Model of Carotid Bifurcations

摘要: In image-based CFD modeling of carotid bifurcation hemodynamics, it is often not possible (or at least convenient) to impose measured velocity profiles the common artery inlet. Instead, fully-developed are usually imposed based on flow rates. However, some studies reported a pronounced influence inflow boundary conditions that were actual by magnetic resonance imaging which showing unusual presence high band in middle vessel during early diastole inconsistent with Dean-type profile. We demonstrated those induced modest secondary curvature inlet and set about test whether such more "realistic" might indeed have hemodynamics. found condition axisymmetric profile(Womersley flow) reasonable as long sufficient CCA length realistic geometry applied.