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Updated: Jul 15, 2026

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在左心房流量的模拟中估计入口流量:一个建议的优化和基于参考的算法,适用于鼻节律和心房动

Henrik Aasen Kjeldsberg1, Renate B Schnabel2, Joakim Sundnes1

  • 1Department of Computational Physiology, Simula Research Laboratory, Kristian Augusts gate 23, 0164 Oslo, Norway.

Journal of biomechanics
|March 12, 2025
PubMed
概括

心血管血液动力学计算流体动力学 (CFD) 模型通过标准化患者特定的流速来改进. 与现有方法相比,左心房 (LA) 流量的新模型显示错误明显减少,提高了模拟的稳定性.

关键词:
计算流体动力学 计算流体动力学流量比率 流量比率 流量比率 流量比率左心房是左心房的位置.优化优化 优化优化

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Applications of Integration to Find Blood Flow01:27

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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...