Eventos Anais de eventos
ENCIT 2018
Brazilian Congress of Thermal Sciences and Engineering
NUMERICAL SIMULATION OF FLOW IN A PATIENT WITH ASCENDING AORTIC ANEURYSM
Submission Author:
Gabriela de Castro Almeida , MG
Co-Authors:
Gabriela de Castro Almeida, Angela Nieckele, ivan fernney ibanez aguilar, BRUNO AZEVEDO, Pedro Teixeira, Ilan Gottlieb, Marcelo Melo
Presenter: Gabriela de Castro Almeida
doi://10.26678/ABCM.ENCIT2018.CIT18-0270
Abstract
The aneurysm occurs when there is an over-normal dilation of the artery diameter. Aneurysm of the ascending aorta is usually asymptomatic, therefore, it is frequently identified accidentally during imaging exams of a patient with other clinical indications. The causes of this type of aneurysm are not known precisely. To help understand the phenomena, the present study analyzes the flow inside an aorta of a patient with aneurysm of the ascending aorta. The patient under study has undergone two computerized angiotomography exams in different years, and during this time span, a significant growth of the aneurysm dilatation was not observed. A 3D model was generated from computed tomography angiography and image segmentation of the aorta. The flow was obtained with a commercial software ANSYS Fluent v17.0. The turbulence flow was modeled with the two-equation - turbulence model. The flow distribution inside the aorta is investigated. The identification of particularities of the flow related to ascending aortic aneurysms might help future patients in their medical treatments
Keywords
Aneurysm, CFD, Turbulence, Hemodynamic
