非均匀介质中的弥散过程是依赖距离的，这起源于非均质结构的多尺度性质。
The dispersion process in heterogeneous porous media is distance dependent, which result from the multi scaling property of heterogeneous structure.
为进行连续介质到非连续介质转化的数值模拟，实现结构破坏过程的仿真分析，将固定和旋转的弥散裂缝模型与变形体离散元方法结合应用于混凝土、岩石等准脆性材料的受拉开裂过程分析。
Fixed and rotating smeared-crack models based on a deformable distinct element method were developed to analyze the fracture of quasi-brittle materials such as concrete and rock under tension.
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