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相关概念视频

Bearings: Problem Solving01:24

Bearings: Problem Solving

Understanding the calculations and concepts related to double-collar bearings is essential for engineers and designers to optimize the performance of these components in various applications. By analyzing the bearing under different conditions, one can ensure that it can withstand the forces and moments experienced during operation. This knowledge enables better decision-making when designing and selecting bearings for specific purposes and configurations. Consider a double-collar bearing with...
Routh-Hurwitz Criterion II01:19

Routh-Hurwitz Criterion II

In the application of the Routh-Hurwitz criterion, two specific scenarios can arise that complicate stability analysis.
The first scenario occurs when a singular zero appears in the first column of the Routh table. This situation creates a division by zero issues. To resolve this, a small positive or negative number, denoted as epsilon (∈), is substituted for the zero. The stability analysis proceeds by assuming a sign for ∈. If ∈ is positive, any sign change in the first column of the Routh...
Design Example: Calculating Safe Diameter for Wind-Exposed Disc01:17

Design Example: Calculating Safe Diameter for Wind-Exposed Disc

Assessing safety in wind-exposed installations is crucial to preventing potential failures. This example explores the calculation and design adjustments needed to mount a circular disc on a building facade, where wind forces are a primary concern. A 4-meter diameter disc was initially designed as an aesthetic feature facing winds at a velocity of 25 meters per second, with an air density of 1.25 kilograms per cubic meter. Given these conditions, the drag force on the disc was determined using...
Design Example: Traverse Angle Computations01:25

Design Example: Traverse Angle Computations

Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...

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相关实验视频

Updated: Jun 27, 2026

In Vivo Evaluation of the Mechanical and Viscoelastic Properties of the Rat Tongue
06:59

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在舌头重建中算法设计的片:可行性分析.

Amir Reza Isazadeh1, Hadi Seikaly2,3, Lindsey Westover4

  • 1Department of Communication Sciences and Disorders, Faculty of Rehabilitation Medicine, University of Alberta, 6-129 Clinical Sciences Building, 11304 - 83 Ave NW, Edmonton, AB, T6G 2G3, Canada.

International journal of computer assisted radiology and surgery
|January 18, 2024
PubMed
概括

逆有限元法 (IFEM) 提供了一种新的数字解决方案,用于在舌头重建中设计自由. 这种方法确保了最佳的形几何,促进了更好的外科手术结果和患者的生活质量.

关键词:
头癌是头部和部的癌症.口腔癌是一种口腔癌.个性化医疗是个性化的医疗.精确的健康研究.舌头的重建语言的重建.

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A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible
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相关实验视频

Last Updated: Jun 27, 2026

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06:59

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科学领域:

  • 生物医学工程 生物医学工程
  • 手术技术 手术技术
  • 计算机建模 计算建模

背景情况:

  • 舌头重建手术是复杂的,缺乏专门的数字设计工具.
  • 自由设计对于成功的功能恢复至关重要.
  • 目前的方法可能无法完全优化形状.

研究的目的:

  • 调查逆有限元法 (IFEM) 在舌头重建中设计自由的有效性.
  • 解决对数字工具的需求,以优化板几何形状以实现外科准确性.

主要方法:

  • 开发了一个IFEM算法,用于模拟半切除术中的算法设计.
  • 在虚拟重建中分析了变形,应力,应变和厚度.
  • 该方法的有效性是基于几何和生物力学参数进行评估的.

主要成果:

  • IFEM成功地为模拟的外科手术缺陷生成了最佳的设计.
  • 分析证实了变形的可行性和足够的安全边际.
  • 预测的术后压力和厚度表明不会对舌头的移动性和功能恢复产生不利影响.

结论:

  • 作为一个精确的数字工具,IFEM在舌头重建中展示了重要的承诺,用于自由设计.
  • 这种计算方法可以提高外科手术的准确性并改善患者的治疗结果.
  • 应用IFEM可以带来更好的功能恢复和生活质量.