Modeling of blood flow in the human aorta with use of an orthotropic nonlinear material model for the walls

Kojić, Miloš; Filipović, Nenad; Vlastelica, Ivo; Zivkovic, Milena

doi:10.1016/b978-008044046-0/50427-9

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2021

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“…The aorta originates from the left ventricle of the heart, forms an arch and then extends to the abdomen where it branches into two smaller arteries which are called the renal arteries. The renal arteries have low resistance, so that two thirds of the input flow go to the abdominal aorta [1,2].…”

Section: Aortamentioning

confidence: 99%

Abdominal Aortic Aneurysm — Computer Modelling and Numerical Solution

Starcevic¹,

Savic²,

Filipovic³

et al. 2021

Applied Engineering Letters

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The main purpose of this study was to reconstruct 3D aorta models based on a series of 2D CT images of two patients suffering from an aneurysm. After the 3D models had been made, a numerical solution of the problem of the abdominal aortic aneurysm was obtained. The numerical solution incorporated mathematical models of biomechanical systems. Various parameters such as shear stress, pressure, and velocity of fluid through blood vessel could be calculated using these methods. The first part of the paper introduces the abdominal aorta and aneurysm. The second part of this paper describes the process of getting 3D model geometries of the aortic aneurysms. Finally, the results obtained from the models are discussed with the aim of predicting a rupture of an abdominal aortic aneurysm and selecting the right treatment for this disease.

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Section: Aortamentioning

confidence: 99%