NDLI: A finite element analysis of turbulent eccentric stenotic flows by large eddy simulation

Content Provider	Springer Nature Link
Author	Jeon, Byoung Jin Kim, Jungwoo Choi, Hyoung Gwon
Copyright Year	2015
Abstract	Blood flows with stenosis may cause turbulence. In such a case, vessels may be damaged by the turbulent flow because the velocity gradient of turbulent flow is large near the wall. It is very important to predict turbulence accurately. Generally, the shape of the stenotic vessel is quite complicated. Finite element method (FEM) is adopted because it is able to easily handle the stenotic vessel with unstructured meshes. Also, based on FEM, large eddy simulation (LES) is implemented to accurately solve turbulent flows in a vessel. To verify the accuracy of the LES technique developed, it is applied to the turbulent flow in an eccentric stenosis flow considered by Varghese et al. [1]. The simulation results showed that laminar flow occurs at the inlet region, whereas turbulence flow occurs after stenosis region. The present results show a reasonably good agreement with the DNS results of Varghese et al. [1].
Starting Page	1869
Ending Page	1874
Page Count	6
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	29
Issue Number	5
e-ISSN	19763824
Language	English
Publisher	Korean Society of Mechanical Engineers
Publisher Date	2015-05-16
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Large eddy simulation Eccentric stenosis flow Blood flow Finite element method Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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