Fast and efficient contact detection algorithm is one of the most important key techniques to control computational efficiency in 3d discontinuous analysis such as the distinct element method.
在离散元等三维非连续介质数值分析方法中，快速高效的接触检索算法是控制计算效率的关键性因素之一。
The image processing algorithm of slide abrasion detection is designed in this paper. It includes image preprocessing, edge detecting and linking, contact wire and slide edge location and etc.
本文设计了滑板磨耗图像检测算法，主要包括图像预处理，边缘检测和连接，导线及滑板边缘定位等。
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