Abstract Based on three-dimensional DDA method, a simple three-dimension model was proposed to analyze rockbolting and the corresponding algorithm and formulas were given.
摘要： 提出了三维非连续变形分析方法中锚杆的简化模型，给出了相应的算法和公式。
An approach for modeling rock crack propagation using discontinuous deformation analysis (DDA) method is presented.
提出一种用非连续变形分析方法模拟岩石裂纹扩展的方法。
This paper analyzes extended DDA circle interpolation method. Judge of termical point formula is given.
本文分析了扩展的DDA园弧插补方法，给出了终判公式。
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