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Title: Lung effect on the hemodynamics in pulmonary artery
Authors: Shun-Feng Tsai
Tony W. H. Sheu
T. M. Chang
Contributors: 國立臺灣海洋大學:輪機工程學系
Keywords: constant pressure;hemodynamics;offset value;pulmonary artery
Date: 2001-05-25
Issue Date: 2017-02-06T01:45:45Z
Publisher: International Journal for Numerical Methods in Fluids
Abstract: Abstract:The present study investigates blood flow in a pulmonary artery. The aim is to gain a better understanding of offset value in vascular circulation through a two-dimensional analysis of the Navier–Stokes equations. In this study, the hemodynamics in a blood vessel with truncated outlets at which constant pressure is specified is examined. To simplify the analysis, the vessel walls are regarded as being rigid. In quadratic elements, the streamline upwind Petrov–Galerkin finite element model is employed to simulate the incompressible Newtonian blood flow. The adopted finite element model introduces artificial damping terms solely in the streamline direction. With these terms added to the formulation, the discrete system is enhanced while solution accuracy is maintained without deterioration due to numerical diffusion errors.
Relation: 36(3), pp.249-263
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40620
Appears in Collections:[輪機工程學系] 期刊論文

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