根据关节之间的机械接触,对足部软组织的结构效应进行定量评估
N Mancera-Campos1, A Vidal-Lesso1, J Bayod López2
1Departamento de Ingeniería Mecánica, División de Ingeniería Campus Irapuato-Salamanca, Universidad de Guanajuato, Guanajuato, Mexico.
概括
在数值脚模型中选择正确的关节接触模拟显著影响软组织预测. 允许自然骨运动的模型在预测脚结构中的压力,应变和位移方面表现出更高的准确性.
科学领域:
- 生物力学 生物力学
- 计算建模计算建模
- 整形外科 整形外科 整形外科
背景情况:
- 现实的数值脚模型对于预测骨和软组织结构性行为至关重要.
- 足关节相互作用的准确表示对于自然模型行为至关重要.
- 数字模型中的不同接触类型 (允许运动与限制) 影响结构结果.
研究的目的:
- 开发一个数值脚模型来分析和量化机械接触类型.
- 确定不同类型的接触对软组织的影响.
- 将结构参数进行比较,以评估接触模拟的影响.
主要方法:
- 一个数值脚模型的开发.
- 模拟两种常见的关节接触类型:允许移动和限制.
- 在软组织中分析和比较结构参数 (应力,应变,移位).
主要成果:
- 像TA,CPF,LPF,EDB和FDBT这样的软组织表现出最大的应力,应变和位移.
- 主要应力和应变的差异分别达到74.69%和68.42%.
- 在前后后 (X) 和垂直 (Y) 轴上的位移变化高达42.03%和37.47%.
结论:
- 选择联合接触模拟显著影响结构参数的定量变化.
- 模拟自然关节运动为足软组织提供了更准确的预测.
- 这项研究量化了接触类型对数值脚模型预测的影响.
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