Numerical Analysis of Blood Interaction in a Vessel with a Flexible Wall

Document Type : Original Article

Authors
1 Associate Professor, Department of Mechanical Engineering, Faculty of Engineering & Technology, University of Mazandaran, Babolsar, Iran
2 MSc, Department of Mechanical Engineering, Faculty of Engineering & Technology, Nour Islamic Azad Universiry, Nour, Iran
3 MSc/Student, Department of Mechanical Engineering, Faculty of Engineering & Technology, University of Mazandaran, Babolsar, Iran
Abstract
Heart attack and stroke are the leading causes of death in the world. Often the main reason for this phenomenon is the clogging of arteries. Eclipse is tiny abnormal and abnormal vessels or other tubular structures in the body organs. This project aims is analyzing the flow in the artery-clogging effects. In the present study, unsteady flow and flow developed before is completely eroded. After parsing several different models, the Careau model is considered for the simulation of non-Newtonian fluid in the blood. Vessel model for validation of simulation data is selected from the valid article and the results show the approximate accuracy of the non-Newtonian model is used. The following research vessels of different sizes Eclipse model is analyzed. When the output is narrowing, the vessels have been strongly accelerating, and up to 12%, faster dilemma can be seen. However, the software cannot simulate tears. However, the power of the threshold of bearing pressure on the wall tissue suggests that up to 50 percent of the eclipse diameter is tolerable. Pressure values in the vessels by flooded 80 percent of the inner diameter with Eclipse reflect the diversity of pressure and speed with high intensity within the veins that causes in areas near Eclipse values of shear stress to increase the flow considerably, vessel wall under pressure.
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