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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN 印刷: 2152-5102
ISSN オンライン: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v36.i4.40
pages 343-356

Computation of Viscous Flow Field in a Tapered Artery with an Overlapping Constriction

Swati Mukhopadhyay
Department of Mathematics, The University of Burdwan, India
C. Midya
Department of Mathematics, S. S. College, Murshidabad, W. B., India
Gorachand C. Layek
Department of Mathematics, University of Burdwan Burdwan, West Bengal, India

要約

This paper presents the detailed numerical study of blood flow through models of stenotic and tapered arterial segments. The arterial model is treated to be two-dimensional and axisymmetric. A tapered artery with an overlapping stenosis is considered here in order to update the resemblance to the in vivo situation. The blood flowing through the artery is treated to be Newtonian. To compute the flow characteristics, such as wall pressure, flow velocity, and wall shear stress, the unsteady Navier-Stokes equations are solved numerically by using the marker and cell method. Finally, the numerical illustrations presented in this paper provide an effective measure to estimate the combined influence of tapering and stenosis on the flow characteristics.