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A 1D lumped-parameter/3D CFD approach for pressure drop in the aortic coarctation

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10.1007/978-3-642-36961-2_4
 
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hdl:2117/20815

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Soudah Prieto, EduardoMés informacióMés informacióMés informació
Bordoné, Maurizio
Dadvand, PooyanMés informacióMés informació
Rossi, RiccardoMés informacióMés informacióMés informació
Document typeConference report
Defense date2012
PublisherSpringer
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Aortic Coarctation is a congenital constriction of the aorta that increases blood pressure above the constriction and hinders the flow below it. Based on a 3D surface mesh of a moderate thoracic coarctation, a high quality volume mesh is created using an optimal tetrahedral aspect ratio for whole domain. In order to quantify the severity of this constriction, a coupled 1D lumped-parameter/3D CFD approach is used to calculate the pressure drop through the coarctation. The CFD computation is performed assuming that the arterial wall is rigid and the blood is considered a homogeneous Newtonian fluid with density r = 0.001 gr/mm3 and a dynamic viscosity m = 0.004 gr/mm/sec in laminar flow. The boundary conditions of the 3D model (inlet and outlet conditions) have been calculated using a 1D model. Parallelization procedures will be used in order to increase the performance of the CFD calculations.
CitationSoudah, E. [et al.]. A 1D lumped-parameter/3D CFD approach for pressure drop in the aortic coarctation. A: International Workshop on Statistical Atlases and Computational Models of the Heart. "Statistical Atlases and Computational Models of the Heart. Imaging and Modelling Challenges". Nice: Springer, 2012, p. 26-33. 
URIhttp://hdl.handle.net/2117/20815
DOI10.1007/978-3-642-36961-2_4
ISBN978-3-642-36960-5
Publisher versionhttp://link.springer.com/chapter/10.1007/978-3-642-36961-2_4
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  • Departament de Resistència de Materials i Estructures a l'Enginyeria - Ponències/Comunicacions de congressos [335]
  • (MC)2 - Grup de Mecànica Computacional en Medis Continus - Ponències/Comunicacions de congressos [192]
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