In this paper, on the basis of several discontinuous deformation analysis methods, DDA (discontinuous deformation analysis) method was researched mainly.
本文在对各种非连续变形分析方法进行比较性介绍的基础上，选择其中的DDA方法进行了着重研究。
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。
The failure of jointed rock slopes usually has large deformation and discontinuous features; therefore, discrete element method becomes an efficient way for stability analysis of jointed rock slopes.
节理岩体斜坡的失败通常有较大的变形和不连续的特点，因此，节理岩体斜坡稳定性分析，离散元方法成为一种有效的方式。
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