Numerical Study of the Effect of Magnetic Field on Blood Flow in a Stenotic Artery with Fluid-Solid Interaction

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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Cardiovascular diseases have been one of the main causes of death throughout the world in recent decades.One of the most common heart diseases is stenotic arteries, which usually appears with middle age. This disease, called atherosclerosis, causes an abnormal reduction in the inside diameter of blood vessels. In this study, the effect of a uniform magnetic field on blood flow and artery walls is investigated. The geometry of the problem is simulated in three dimensions. The governing equations, which include continuity, momentum, ohm’s law, stress-strain of linear elastic material, and fluid-solid interaction with moving mesh method, are defined, coupled, and solved with a finite element code in the Comsol software.The results indicate that the magnetic field has a significant effect on the behavior of blood flow and artery walls. For example, the Hartmann number is inversely related to the blood flow velocity and is directly related to the wall shear stress, the von Mises stress, and the artery wall displacement. It is also observed that the trend of changes with non-Newtonian viscosity model is greater than the Newtonian model.
Language:
Persian
Published:
Journal of Fluid Mechanics and Aerodynamics, Volume:9 Issue: 2, 2021
Pages:
53 to 63
https://www.magiran.com/p2356474  
سامانه نویسندگان
  • Keyhanpour، Mahdi
    Author (1)
    Keyhanpour, Mahdi
    Phd Student Mechanical Engineering, Khaje Nasir Toosi University of Technology, Tehran, Iran
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