Abstract
AbstractIn this research, the pulsatile blood flow through stenosed artery of 60% severity has been investigated. Flow behavior for two non-Newtonian viscosity models is compared. A standard k-ω turbulence model is used for turbulent flow at post-stenotic region. The Wall Shear Stress (WSS), hydrostatic pressure, and streamline contours at different time steps are obtained. A Fluid Structure Interface (FSI) model is used to determine the dynamic structural behavior with fluid flow. The maximum deformation, maximum von-mises stress, and peak principal stress that are obtained for FSI model. Wall shear stress and von-mises stress are found significantly higher at throat region. Peak principal stress is the highest over time at pre-stenotic region. Streamline patterns are observed for different time steps with the change in inlet velocity.KeywordsNon-Newtonian fluidFluid structure interfaceWall shear stress
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