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Numerical simulation of the wall shear stress distribution in a carotid artery bifurcation
Marzieh Rezazadeh,Ramin Ostadi 대한기계학회 2022 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.36 No.10
The effect of stenosis for a carotid artery bifurcation with elastic and rigid walls is investigated numerically. In the present study, the blood flow is considered as a laminar pulsatile flow. The effect of fluid-solid interaction is carried out using ANSYS-FLUENT software. The results show that the maximum wall shear stress in the stenosed artery is three times higher than that of a healthy artery. The shear stress gradient in elastic arteries Is lower than in rigid arteries. For rigid artery, the return flow and separation length in the diastolic phase is lower than the systolic phase.