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相关概念视频

Deformation of Member under Multiple Loadings01:11

Deformation of Member under Multiple Loadings

168
When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
168
Temperature Dependent Deformation01:12

Temperature Dependent Deformation

150
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
150

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相关实验视频

Updated: Jul 12, 2025

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

9.8K

基于补充动态方法的生理运动下的软组织变形的模拟.

Liang Tang1, Peter Xiaoping Liu2, Wenguo Hou3

  • 1School of Information Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China.

Computer methods and programs in biomedicine
|October 27, 2023
PubMed
概括
此摘要是机器生成的。

这项研究提出了一个模拟软组织变形的新模型,将生理运动纳入手术模拟中增强现实性的生理运动. 该方法准确地捕捉了组织动态和弹性行为,以改善虚拟手术可视化.

关键词:
互补的动态 互补的动态生理运动运动是指生理运动.软组织变形软组织变形手术模拟器手术模拟器

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Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics
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A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
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A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

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相关实验视频

Last Updated: Jul 12, 2025

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

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Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics
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Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics

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A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
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科学领域:

  • 计算生物力学计算力学
  • 医疗模拟 医疗模拟
  • 软组织建模模型

背景情况:

  • 生理运动显著影响软组织变形,影响外科手术的准确性.
  • 现实的外科模拟需要准确的软组织变形模型在生理运动下.
  • 将生理运动整合到现有的软组织变形模型中仍然是一个挑战.

研究的目的:

  • 引入一种新的变形模型,用于在生理运动下动画软组织变形.
  • 为了提高虚拟手术模拟的现实性和准确性.
  • 为应对将生理运动整合到软组织变形模型中的挑战.

主要方法:

  • 开发了一种基于互补动态的新型变形模型.
  • 结合了有限元法来描述软组织弹性行为.
  • 利用生理运动的数学模型,将效应转换为网状位移.
  • 从固有的软组织动态计算的互补位移.

主要成果:

  • 模拟软组织表现出与动脉压力,心跳和呼吸同步的生理运动.
  • 与现有的基于力量的方法相比,拟议的方法表现稳定.
  • 实现了软组织弹性行为的准确表征.

结论:

  • 这种新的方法有效地控制了软组织变形中的弹性行为和生理运动.
  • 实现了高度现实的可视化,用于虚拟手术模拟.
  • 提供了一种强大的方法来提高外科训练工具的保真度.