Using computational fluid dynamic for evaluation of rupture risk of micro cerebral aneurysms in the growth process: Hemodynamic analysis

Iman Shiryanpoor, Amir Kheiri, M. Barzegar Gerdroodbary, Peiman Valipour and Rasoul Moradi
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Iman Shiryanpoor: Computer Aided Process Engineering (CAPE) Laboratory, Faculty of Chemical Engineering, Iran University of Science & Technology, Tehran, Iran
Amir Kheiri: ��Department of Mechanical Engineering, K.N. Toosi University of Technology, Tehran, Iran
M. Barzegar Gerdroodbary: ��Department of Electromechanical Engineering, C-MAST-Center for Mechanical and Aerospace Science and Technology, Universidade da Beira Interior, Covilha, Portugal
Peiman Valipour: �Department of Textile Engineering, Clothing and Fashion, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
Rasoul Moradi: �Department of Chemical Engineering, Khazar University, Baku, Azerbaijan∥Department of Chemical and Biological Engineering, College of Engineering, Korea University, Seoul, Korea**KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Korea

International Journal of Modern Physics C (IJMPC), 2025, vol. 36, issue 02, 1-13

Abstract: The significance of the hemodynamic analysis in the growth process of the micro saccular intracranial aneurysm is undeniable. This study has investigated the change of hemodynamic factors in the evolution process of the saccular aneurysm. The main goal is to estimate the rupture risk of aneurysm in the growth process. The numerical method is applied for the investigation of the hemodynamic factors in the evolution process of the saccular intracranial aneurysms. Wall shear stress, pressure and Oscillatory index are analyzed in this research. Two scale-down models and one scale-up geometry of the saccular aneurysm are studied in this paper. Presented results disclosed that mean wall shear stress increases more than two times when the intracranial aneurysm scale is 1/4 original size.

Keywords: Micro blood flow; micro aneurysms; non-Newtonian flow; endovascular coiling; CFD (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1142/S0129183124501845

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