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首页> 外文期刊>Applied Mechanics and Engineering >APPROXIMATION OF DRY FRICTION FORCE DISCONTINUITY FOR THE NEEDS OF DYNAMIC ANALYSIS OF WORKS TRANSPORT DEVICES
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APPROXIMATION OF DRY FRICTION FORCE DISCONTINUITY FOR THE NEEDS OF DYNAMIC ANALYSIS OF WORKS TRANSPORT DEVICES

机译:干摩擦力不连续性对工运设备动力分析需求的逼近

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摘要

The paper concerns research of application of smooth functions in the approximation of friction force discontinuity in the static friction models. The following smooth functions are considerec: trigonometric functions and B-spline curve of third order. The aim of research is to determine the influence of smooth functions adopted in the friction models on the convergence of numerical calculations of motion equations. The friction models of smooth course in the stick-slip friction phase can be used when solving the dynamic systems of machines (e.g., works transport devices) with the help of the method designed for continuous systems.
机译:本文涉及在光滑摩擦模型中平滑函数在摩擦力不连续性近似中的应用研究。考虑以下光滑函数:三角函数和三阶B样条曲线。研究的目的是确定摩擦模型中采用的平滑函数对运动方程数值计算收敛性的影响。借助为连续系统设计的方法来求解机器的动态系统(例如,工件运输设备)时,可以使用粘滑摩擦阶段中平滑过程的摩擦模型。

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