Abstract
The non-linear blood flow under the influence of periodic body acceleration through a generalized multiple stenosed artery is investigated with the help of numerical simulation. The arterial segment is simulated by a cylindrical tube filled with a viscous incompressible Newtonian fluid described by the Navier–Stokes equation. The non-linear equation is solved numerically using finite difference with the proper boundary conditions and pressure gradient that arise from the heart. The effect of Reynolds number is also discussed. Results are shown in comparison with the existing models.
Highlights
Nowadays the investigation of blood flow analysis in a constricted stenosed artery is very important in the medical domain because of the fact that many of the diseases such as heart attacks and strokes are related to blood flow and the physical characteristics of the vessel wall
When the cells do not get the sufficient oxygen due the reduced of flow rate in the artery, it may produce ischemia, which is typically used as an indicator for surgical intervention such as angioplasty and bypass operations [1,2]
Ang and Majumdar [6] have investigated asymmetric arterial blood flow with a numerical solution in three dimensions, Ikbal [7] have worked on unsteady response of non-Newtonian in magnetic field without considering periodic body acceleration effect
Summary
Nowadays the investigation of blood flow analysis in a constricted stenosed artery is very important in the medical domain because of the fact that many of the diseases such as heart attacks and strokes are related to blood flow and the physical characteristics of the vessel wall. Numerous experimental and computational methods have used to quantify the velocity and wall shear stress of blood flow in human
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