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On the tangential restitution problem: independent friction-restitution modeling

机译:关于切向恢复问题:独立的摩擦恢复模型

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摘要

A single modeling of impact in terms of independent contributions of tangential restitution and friction is presented and tested with available literature data. Using this formulation, a description of oblique rebound of a homogenous sphere on a infinitely massive wall is obtained for both stick and gross slip regimes of impact using the same set of coefficients of restitution (normal and tangential) and friction based on the consideration of tangential forces at impact without viscose nor adhesive effects. This formulation which avoids sharp (apparent) variations in the coefficient of tangential restitution on the incident angle, provides a justification of several experimental results considered as anomalous in literature.
机译:提出了一种基于切向归还和摩擦的独立贡献的影响模型,并使用可用的文献数据进行了测试。使用此公式,可以使用相同的恢复系数(法向和切向)和摩擦力(基于切向),使用相同的恢复系数(正切和切向)和摩擦力,获得均匀球体在无限大质量壁上的斜回弹的描述,适用于冲击和总体滑移两种情况冲击力无粘胶或粘合作用。这种公式避免了切向恢复系数随入射角的急剧变化(表观变化),为一些被认为是文献中异常的实验结果提供了依据。

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