Numerical modelling of blood cells distribution in flow through cerebral artery aneurysm

Syazatul Aniza Arshad; Osama Sabir; Joanne Huang; Kevin Ly; Angela Nguyen; Tuan Mohammad Yusoff Shah Tuan Ya; Sobri Muda; Adli Azam Mohammad Razi; Anis Suhaila Shuib

doi:10.11113/mjfas.v14n1.915

Authors

Syazatul Aniza Arshad Universiti Teknologi Petronas
Osama Sabir Universiti Teknologi Petronas
Joanne Huang Lehigh University
Kevin Ly Lehigh University
Angela Nguyen Lehigh University
Tuan Mohammad Yusoff Shah Tuan Ya Universiti Teknologi PETRONAS
Sobri Muda Universiti Putra Malaysia
Adli Azam Mohammad Razi Universiti Teknologi MARA
Anis Suhaila Shuib Taylor's University

DOI:

https://doi.org/10.11113/mjfas.v14n1.915

Keywords:

Aneurysm, CFD, wall shear stress, blood cells

Abstract

Recent aneurysm studies have focused on the correlation between different parameters and rupture risk; however, there have been conflicting findings. Computational fluid dynamics (CFD) allows for better visualization but idealized aneurysm models may neglect important variables such as aneurysm shape and blood flow conditions. In this paper, one case of an aneurysm was studied with CFD using a non-Newtonian Power Law Model to investigate the correlation between wall shear stress and blood cells distribution. Results show that velocity of blood flow decreased as it entered the aneurysm and the neck of the aneurysm experienced a greater magnitude of wall shear stress than the remainder of the cerebral artery. Besides, the blood cells generally begin at low velocities and increase after the first curve of the artery. Findings and further studies with larger cases of patients will improve treatment and prevention of aneurysm ruptures.

Author Biographies

Syazatul Aniza Arshad, Universiti Teknologi Petronas

department mechanical engineering

Osama Sabir, Universiti Teknologi Petronas

department mechanical engineering

Joanne Huang, Lehigh University

Departmentof Chemical and Biomolecular Engineering

Kevin Ly, Lehigh University

Department of Bioengineering

Angela Nguyen, Lehigh University

Departmentof Chemical and Biomolecular Engineering

Tuan Mohammad Yusoff Shah Tuan Ya, Universiti Teknologi PETRONAS

Mechanical Enginering Department

Sobri Muda, Universiti Putra Malaysia

Deparment of Radiologi/Neuroradiologi & Neurointervensi

Adli Azam Mohammad Razi, Universiti Teknologi MARA

Cardiovascular and Thoracic Surgery Unit, Surgical Science Cluster, Faculty of Medicine

Anis Suhaila Shuib, Taylor's University

Deparment of Chemical

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