Paper Info
Title
Blood Flow Analysis in Coil Embolized Aneurysms: Difference between Porous Media and Real Coil Geometry Model.
Abstract
To clarify the mechanism of aneurysmal recanalization, it is necessary to understand the characteristics of the blood flow inside the aneurysm in particular the flow resistance generated by the coil. In studies using computational fluid dynamics (CFD), mainly two approaches have been used to model the coil embolized aneurysm; modeling the coils as porous media or by real coil geometries. In this study, we calculated the pressure drop along a vessel through a coiled region modeled as porous media or by real coil geometry and compared the pressure drop generated by the two coil models. The porous media model was described by Darcy's law and Ergun's equation, while the real coil geometry was generated using finite element method (FEM) structural analysis. We calculated the pressure drop for inlet velocities from 0.1 m/s to 1.0 m/s in steps of 0.1 m/s. Our results indicated that the porous media model may produce larger pressure drops than the real coil geometry model under low packing density. The value of the pressure drop was also changed due to the difference of coil distribution even if the packing density was the same.
Year
DOI
Venue
2018
10.1109/EMBC.2018.8512482
EMBC
Field
DocType
Volume
Blood flow,Sphere packing,Computer science,Flow (psychology),Pressure drop,Finite element method,Electromagnetic coil,Computational fluid dynamics,Porous medium,Geometry
Conference
2018
Citations 
PageRank 
References 
0
0.34
0
Authors
11
Name
Order
Citations
PageRank
Soichiro Fujimura101.35
Hiroyuki Takao244.88
Takashi Suzuki383.31
Yuya Uchiyama401.35
Kazutoshi Tanaka553.97
Katharina Otani600.68
Toshihiro Ishibashi713.11
Koji Fukudome801.01
Hiroya Mamori901.35
makoto yamamoto1003.04
Y. Murayama1124.89