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Updated: Jul 27, 2025

Monitoring the Wall Mechanics During Stent Deployment in a Vessel
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开发和评估多频超快多普勒光谱分析 (MFUDSA) 算法用于墙壁剪切应力测量:模拟和体外研究

Andrew J Malone1,2, Seán Cournane3, Izabela Naydenova1

  • 1School of Physics, Clinical and Optometric Sciences, IEO Centre, Faculty of Science and Health, Technological University Dublin, D07 H6K8 Dublin, Ireland.

Diagnostics (Basel, Switzerland)
|June 10, 2023
PubMed
概括

一种新的多频超快多普勒光谱分析 (MFUDSA) 算法改善了动脉样硬化斑块壁剪应力 (WSS) 的测量. 与现有方法相比,这有助于更早地诊断心血管疾病.

关键词:
多普勒超声波是指多普勒超声波.生物医学信号处理心血管疾病心血管疾病流动幻影是一个幻影.定量超声波的使用方法信号处理算法信号处理算法超声波学 超声波学 超声波学墙壁剪切压力压力压力

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相关概念视频

Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution...
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Shearing Stress01:19

Shearing Stress

Shearing stress, denoted by the Greek letter tau (τ), is stress caused by forces acting transversely on an object. These forces create internal ones within the entity in the plane where the external forces are applied. The resultant of these internal forces is the shear in the section.
The average shearing stress can be calculated by dividing the shear by the area of the cross-section.
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Unsymmetric Loading of Thin-Walled Members: Problem Solving01:07

Unsymmetric Loading of Thin-Walled Members: Problem Solving

The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
134