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首页> 外文会议>Iranian Conference on Biomedical Engineering >Numerical Investigation of Role of Synovial Fluid in a Poroelastic Model of Natural Human Knee Joint During Walking
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Numerical Investigation of Role of Synovial Fluid in a Poroelastic Model of Natural Human Knee Joint During Walking

机译：滑膜流体在步行过程中自然人膝关节孔弹性模型中滑液作用的数值研究

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摘要

In natural human knee joint, articular cartilage and meniscus are consisted of a solid phase and a fluid phase. Furthermore, considering synovial fluid as the lubricant and interaction between synovial fluid and surrounding poroelastic tissues are necessary for lubrication of the knee joint. Therefore, the poroelastic model of the human knee joint is essential for understanding of mechanical behavior of the knee joint. Unfortunately, most of the studies in the knee joint considered it as single phase. In this paper, an ideal poroelastic model of the knee joint was developed, and mechanical behavior of the knee joint during walking was investigated. Poroelastic material was used for articular cartilage, anisotropic poroelastic material was used for meniscus and linear elastic material was used for femur. In this study stress in solid phase and pressure in fluid phase was investigated. Results of this study have shown that 72% of load was carried by the fluid phase.
机译：在天然人体膝关节中，关节软骨和半月板由固相和流体相组成。此外，考虑滑膜流体作为滑润剂和滑膜之间的润滑剂和周围的腹腔弹性组织之间的相互作用对于膝关节润滑是必需的。因此，人体膝关节的多孔弹性模型对于了解膝关节的力学行为至关重要。不幸的是，膝关节中的大部分研究被认为是单相。本文开发了一种膝关节的理想孔弹性模型，研究了行走期间膝关节的力学行为。孔弹性材料用于关节软骨，各向异性孔弹性材料用于弯月面，用于股骨的线性弹性材料。在该研究中，研究了固相的应力和流体相中的压力。该研究的结果表明，72％的负荷由流体相承载。

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