Influence of wall elasticity on image-based blood flow simulations

Ryo Torii; Marie Oshima; Toshio Kobayashi; Kiyoshi Takagi; Tayfun E. Tezduyar

doi:10.1299/kikaia.70.1224

Influence of wall elasticity on image-based blood flow simulations

Ryo Torii, Marie Oshima, Toshio Kobayashi, Kiyoshi Takagi, Tayfun E. Tezduyar

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

49 Citations (Scopus)

Abstract

Recently, it is reported that risk of rupture of aneurysms is further less than risk of surgical complications. Therefore, to avoid unnecessary surgical operations, prediction of rupture of aneurysms is necessary. Because wall shear stress is known to play an important role for a vascular disease, the authors have investigated the relationship between wall shear stress and cerebral aneurysms. In this paper, numerical fluid-structure interaction analyses are performed to investigate influences of wall deformation on hemodynamic factors. The results show several patterns of arterial wall deformations and their influences on blood flow behavior and hemodynamic factors.

Original language	English
Pages (from-to)	1224-1231
Number of pages	8
Journal	Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	70
Issue number	9
DOIs	https://doi.org/10.1299/kikaia.70.1224
Publication status	Published - 2004 Sep
Externally published	Yes

Keywords

Cerebral Aneurysm
Fluid-Structure Interaction
Image-Based simulation

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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AU - Kobayashi, Toshio

AU - Takagi, Kiyoshi

AU - Tezduyar, Tayfun E.

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AB - Recently, it is reported that risk of rupture of aneurysms is further less than risk of surgical complications. Therefore, to avoid unnecessary surgical operations, prediction of rupture of aneurysms is necessary. Because wall shear stress is known to play an important role for a vascular disease, the authors have investigated the relationship between wall shear stress and cerebral aneurysms. In this paper, numerical fluid-structure interaction analyses are performed to investigate influences of wall deformation on hemodynamic factors. The results show several patterns of arterial wall deformations and their influences on blood flow behavior and hemodynamic factors.

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