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- W2186021942 abstract "Cardiovascular diseases are, nowadays, the major cause of death in the world. The formation of stenosis in vessels occurs throughout the deposition of arteriosclerotic plaques in the wall vessels, which affects the blood flow profiles. The abdominal aorta and its branches is one of the most expected locations for the development of stenosis. This deposition occurs commonly in larger arteries, but the most probable locations for the development of stenosis correspond to the regions of curvature or branches in the vessels. Therefore, the goal of this study consists in the development of numerical models able to predict the blood flow in the abdominal aorta region. In this study, the simulations were performed through the use of Computational Fluid Dynamic (CFD) tools. This investigation enables the identification of reverse flow area, allowing the analysis of flow patterns, velocity profiles and pressure distribution. The blood was modeled as an incompressible, Newtonian fluid with the viscosity and density values of 0.004 kg.m -1 s - 1 e 1057 kg.m -3 , respectively. The governing equations were solved through FLUENT software, which requires the domain discretization into control volumes. The simulation was performed using the dynamic meshes to evaluate the effects of the increasing of stenosis degree in the blood flow." @default.
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- W2186021942 date "2009-01-01" @default.
- W2186021942 modified "2023-09-27" @default.
- W2186021942 title "NUMERICAL STUDY OF BLOOD FLOW IN A VESSEL WITH INCREASING DEGREE OF STENOSIS USING DYNAMIC MESHES" @default.
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