【摘 要】
：
为描述人体步行、弹跳等运动过程中柔性鞋底和硬地面之间的接触柔性、微滑和摩擦特性,提出一个多点柔性接触模型,将鞋底与地面的单面几何约束转化为力约束.针对一个15刚体人
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为描述人体步行、弹跳等运动过程中柔性鞋底和硬地面之间的接触柔性、微滑和摩擦特性,提出一个多点柔性接触模型,将鞋底与地面的单面几何约束转化为力约束.针对一个15刚体人体机构模型,得到一个不含机械回路约束方程的动力学全局仿真模型.然后,采用不同模型参数,数值仿真研究了双脚起跳过程中地面对鞋底的作用力.计算结果显示该模型能有效地揭示鞋底与地面接触的复杂作用过程,为用数值仿真方法研究人体与地面接触时的动力学提供了一个高效手段.
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