Abstract
Aortic dissection results in a disruption of the intima layer of the aortic wall. As the tear extends a false lumen (FL) adjacent to the true one opens and blood flows in between the wall layers. T...
Highlights
Aortic dissection results in a disruption of the intima layer of the aortic wall
The comparison between the results obtained using simulation with and without fluid structure interactions (FSI) been focus on (i) the velocity distribution to discuss the flow dynamics, (ii) the wall shear stress repartition around the entry tear to evaluate the opportunity of platelets activation, and (iii) the vortical structures (VS) evolution which are known to be an hemodynamic index of vascular pathology
The rigid model overestimates, on average, the velocity within the whole domain, it appears, that the velocities are underestimated at the entry tears (–43%, –46%, –38.5% at ET1, ET2, and ET3 respectively, for t 1⁄4 0.075 s)
Summary
ISSN: 1025-5842 (Print) 1476-8259 (Online) Journal homepage: https://www.tandfonline.com/loi/gcmb. COMPUTER METHODS IN BIOMECHANICS AND BIOMEDICAL ENGINEERING 2020, VOL. Deplanoa aAix-Marseille Univ, CNRS, Ecole Centrale, IRPHE, Marseille, France; bAix-Marseille Univ, AP-HM, Service de chirurgie vasculaire de l’h^opital de la Timone, Marseille, France
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