Dynamic Analysis and Stress in Human Body due to Motion

运动引起的人体动态分析和应力

• 批准号: 05650234
• 负责人: MATSUHISA Hiroshi
• 金额: $ 1.41万
• 依托单位: KYOTO UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1993
• 资助国家: 日本
• 起止时间: 1993 至 1994
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-05650234/
• 关键词: bio-motion; human engineering; shock absorption; lower limb; upper limb; joint; skelton; link; 人体; 動特性; スポーツ; 力学モデル; 関接; 筋肉

The shock absorbing mechanism of human body to minimize the vertical acceleration during jumping down to a hard surface was investigated. The dynamic model of human lower limb was built with a link joint. The muscle model was consisted of a contractile element, a series elastic element and a viscous element, and the experimental and theoretical investigations were carried out. The results showed that the shock could be absorbed passively by deep bending, and it could be absorbed more actively by bending motion of knees.As an example of coupled motion of a human body and a tool, the forces and moment in the wrist and the elbow caused by striking tennis ball were theoretically investigated. The dynamic model of a ball, a racket and an arm were formulated, and the modes of vibration and impulse response were calculated. The forces can be decreased by designing the racket such that the striking point becomes the nodal point or the natural frequency of the ball and racket coincides each other.The dynamic analysis of the natural teeth and endosseous implant were also carried out, and stress distribution around teeth and bone were investigated in order to find the optimum medical treatment.

研究了人体在跳跃到坚硬表面时的减震机理，以减小垂直加速度。建立了带有连杆关节的人体下肢动力学模型。该模型由收缩单元、串联弹性单元和粘性单元组成，并进行了实验和理论研究。结果表明，深度弯曲可以被动吸收冲击，膝盖弯曲运动可以更主动地吸收冲击。以人体与工具的耦合运动为例，从理论上研究了击打网球在手腕和肘部所产生的力和力矩。建立了球、球拍和手臂的动力学模型，计算了振动模态和冲击响应。可以通过设计球拍使击球点成为节点或球和球拍的固有频率重合来减小力。同时对天然牙和种植体进行了动力学分析，并对牙和骨周围的应力分布进行了研究，以期找到最佳的治疗方案。

项目成果

松久寛: "下肢の衝撃吸収メカニズム" 機械学会講演論文集. 261-940. 115-118 (1994)

Hiroshi Matsuhisa：“下肢的减震机制”，日本机械工程师学会会议记录 261-940（1994）。

松久寛: "モード解析によるテニスラケットの最適設計" 機械学会論文集. 66-577. 189-194 (1994)

Hiroshi Matsuhisa：“使用模态分析的网球拍优化设计”，日本机械工程师学会会刊 66-577（1994 年）。

松久 寛: "モード解析によるテニスラケットの最適設計" 機械学会論文集. 66-577. 189-194 (1994)

Hiroshi Matsuhisa：“使用模态分析的网球拍优化设计”，日本机械工程师学会会刊 66-577（1994 年）。

Hiroshi MATSUHISA,et al.: "Optimal Desigh of Tennis Racket by Modal Analysis" Trans.JSME. 60-577. 189-194 (1994)

Hiroshi MATSUHISA 等：“通过模态分析优化网球拍设计”Trans.JSME。

松久寛: "下肢の衝撃吸収メカニズム(減衰を考慮した解析)" 機械学会講演論文集. 59S-940. 69-73 (1994)

Hiroshi Matsuhisa：“下肢的冲击吸收机制（考虑衰减的分析）”日本机械工程师学会会议记录 59S-940（1994）。