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流动行为的数值模拟在基底分叉计算断层扫描血管学图

Ryo Shimodoumae1, Gaku Tanaka1, Ryuhei Yamaguchi2

  • 1Chiba University Graduate School of Science and Engineering, Chiba, Japan.

International journal for numerical methods in biomedical engineering
|January 31, 2024
PubMed
概括

这项研究使用4D-CTA模拟脑动脉瘤血流,揭示了移动和刚性边界条件之间的墙壁剪切应力和停留时间的显著差异.

关键词:
基础双分支动脉瘤的发生.四维计算机断层血管学四维计算机断层血管学移动边界方法移动边界方法

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相关概念视频

Applications of Integration to Find Blood Flow01:27

Applications of Integration to Find Blood Flow

Blood flow through a cylindrical blood vessel can be mathematically described using the principles of laminar flow, a regime in which fluid moves smoothly in parallel layers. In this model, the velocity of the blood is not uniform across the cross-section of the vessel; rather, it varies with the radial distance from the center. The maximum velocity occurs along the central axis, decreasing progressively toward the vessel walls, where it reaches zero due to viscous drag.Approximating Blood...