Numerical analysis of the flow pattern in stented aneurysms and its relation to velocity reduction and stent efficiency

Miki Hirabayashi; Makoto Ohta; Krisztina Baráth; Daniel A. Rüfenacht; Bastien Chopard

doi:10.1016/j.matcom.2006.05.037

Numerical analysis of the flow pattern in stented aneurysms and its relation to velocity reduction and stent efficiency

Miki Hirabayashi, Makoto Ohta, Krisztina Baráth, Daniel A. Rüfenacht, Bastien Chopard

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

We present a qualitative analysis of the flow pattern in cerebral aneurysms and the effect on the velocity reduction of stent implantation. We use the Lattice Boltzmann (LB) method, which implements a mesoscopic dynamics of the interactions between fictitious particles. LB provides an efficient numerical solver for complex boundary problems such as the flow in cerebral aneurysms. Several numerical and empirical studies show that the flow reduction mechanism of the stent in the saccular aneurysm is not simple to understand in detail. We have focused on the flow pattern in the aneurysm dome and shown that several characteristic properties allow to predict the effect of a treatment by a stent.

Original language	English
Pages (from-to)	128-133
Number of pages	6
Journal	Mathematics and Computers in Simulation
Volume	72
Issue number	2-6
DOIs	https://doi.org/10.1016/j.matcom.2006.05.037
Publication status	Published - 2006 Sept 9
Externally published	Yes

Keywords

Aneurysms
Blood flow
Computational fluid dynamics
Lattice Boltzmann method
Stents

ASJC Scopus subject areas

Theoretical Computer Science
Computer Science(all)
Numerical Analysis
Modelling and Simulation
Applied Mathematics

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10.1016/j.matcom.2006.05.037

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title = "Numerical analysis of the flow pattern in stented aneurysms and its relation to velocity reduction and stent efficiency",

abstract = "We present a qualitative analysis of the flow pattern in cerebral aneurysms and the effect on the velocity reduction of stent implantation. We use the Lattice Boltzmann (LB) method, which implements a mesoscopic dynamics of the interactions between fictitious particles. LB provides an efficient numerical solver for complex boundary problems such as the flow in cerebral aneurysms. Several numerical and empirical studies show that the flow reduction mechanism of the stent in the saccular aneurysm is not simple to understand in detail. We have focused on the flow pattern in the aneurysm dome and shown that several characteristic properties allow to predict the effect of a treatment by a stent.",

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T1 - Numerical analysis of the flow pattern in stented aneurysms and its relation to velocity reduction and stent efficiency

AU - Hirabayashi, Miki

AU - Ohta, Makoto

AU - Baráth, Krisztina

AU - Rüfenacht, Daniel A.

AU - Chopard, Bastien

PY - 2006/9/9

Y1 - 2006/9/9

N2 - We present a qualitative analysis of the flow pattern in cerebral aneurysms and the effect on the velocity reduction of stent implantation. We use the Lattice Boltzmann (LB) method, which implements a mesoscopic dynamics of the interactions between fictitious particles. LB provides an efficient numerical solver for complex boundary problems such as the flow in cerebral aneurysms. Several numerical and empirical studies show that the flow reduction mechanism of the stent in the saccular aneurysm is not simple to understand in detail. We have focused on the flow pattern in the aneurysm dome and shown that several characteristic properties allow to predict the effect of a treatment by a stent.

AB - We present a qualitative analysis of the flow pattern in cerebral aneurysms and the effect on the velocity reduction of stent implantation. We use the Lattice Boltzmann (LB) method, which implements a mesoscopic dynamics of the interactions between fictitious particles. LB provides an efficient numerical solver for complex boundary problems such as the flow in cerebral aneurysms. Several numerical and empirical studies show that the flow reduction mechanism of the stent in the saccular aneurysm is not simple to understand in detail. We have focused on the flow pattern in the aneurysm dome and shown that several characteristic properties allow to predict the effect of a treatment by a stent.

KW - Aneurysms

KW - Blood flow

KW - Computational fluid dynamics

KW - Lattice Boltzmann method

KW - Stents

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Numerical analysis of the flow pattern in stented aneurysms and its relation to velocity reduction and stent efficiency

Abstract

Keywords

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