Direct numerical simulation of physiological pulsatile flow through arterial stenosis

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dc.contributor.authorKhair, Md. Abul
dc.contributor.examiningcommitteeOrmiston, Scott (Mechanical Engineering) Jeffrey, Ian (Electrical and Computer Engineering)en_US
dc.contributor.supervisorWang, Bing-Chen (Mechanical Engineering) Kuhn, David C. S. (Mechanical Engineering)en_US
dc.date.accessioned2014-01-15T16:02:13Z
dc.date.available2014-01-15T16:02:13Z
dc.date.issued2014-01-15
dc.degree.disciplineMechanical and Manufacturing Engineeringen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractIn this research, pulsatile blood flow through a modeled arterial stenosis assuming Newtonian and non-Newtonian viscous behavior is simulated using direct numerical simulation (DNS). A serial FORTRAN code has been parallelized using OpenMP to perform DNS based on available high performance shared memory parallel computing facilities. Numerical simulations have been conducted in the context of a channel with varying the degree of stenosis ranging from 50% to 75%. For the pulsatile flow studied, the Womersley number is set to 10.5 and Reynolds number varies from 500 to 2000, which are characteristic of human arterial blood flows. In the region upstream of the stenosis, the flow pattern is primarily laminar. Immediately after the stenosis, the flow recirculates and an adverse streamwise pressure gradient exists near the walls and the flow becomes turbulent. In the region far downstream of the stenosis, the flow is re-laminarized for both Newtonian and non-Newtonian flows.en_US
dc.description.noteFebruary 2014en_US
dc.identifier.urihttp://hdl.handle.net/1993/23234
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectDNSen_US
dc.subjectStenosisen_US
dc.subjectNewtonianen_US
dc.subjectturbulenceen_US
dc.subjectpulsatile flowen_US
dc.subjectnon-Newtonianen_US
dc.titleDirect numerical simulation of physiological pulsatile flow through arterial stenosisen_US
dc.typemaster thesisen_US
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