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Computational Simulation of the Flow in the Aortic Arch with Three Major Branches
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- MORI,Daisuke
- Dept. of Mechatronics and Precision Eng., Tohoku University
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- Yamaguchi,Takami
- Dept. of Mechatronics and Precision Eng., Tohoku University
Bibliographic Information
- Other Title
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- D223 主要な 3 つの分岐を有する大動脈弓内の流れのシミュレーション
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Description
We reported the effect of the complicated geometry of the aortic arch on the blood flow, focusing on the three-dimensional (3-D) non-planar distortion in its configuration, while not fully considering the major branches at the top of the arch. In this study, we constructed an aortic arch model for CFD simulations that incorporates both non-planarity and the major branches, using a set of magnetic resonance (MR) images, and discussed their combined effects on blood flow. Results showed that the flow along the arch consisted of a large right-handed rotational flow in the descending part of the arch, and a large left-handed rotational flow at the end of the arch. These characteristics of the global flow are similar to the results obtained using our previous arch model without branches. On the other hand, it was found that the backward flow exists at the region of the inner wall at the top of the arch due to the intake of the flow into the brachiocephalic artery.
Journal
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- 日本流体力学会年会講演論文集
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日本流体力学会年会講演論文集 2002 310-311, 2002-07-23
日本流体力学会
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Details 詳細情報について
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- CRID
- 1541417145285478528
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- NII Article ID
- 110003948105
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- NII Book ID
- AA11567941
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- Text Lang
- ja
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- Data Source
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- NDL Digital Collections (NII-ELS)
- CiNii Articles