By using the molecular dynamics theory and diffusion limited aggregation model of film growth, the fractal phenomenon of the nodule nucleation was well explained.

用分子动力学和薄膜生长的扩散限制聚集模型，薄膜中结瘤微缺陷成核时的分形现象得到了很好的解释。

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In the model, according to the two steps crystallization theory, the dynamics mechanism of crystal nucleation and growth was analyzed.

根据双步结晶理论，对蒸发结晶的成核和生长动力学进行分析，建立了成核和生长的理论模型。

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Shear band formation due to void nucleation and growth were successfully simulated in a specimen of geomaterial under plane stress compression and tension by the model respectively.

采用该模型，成功地对平面应力条件下岩土材料单轴受压和单轴受拉试件的局部化破坏分别进行了数值模拟。

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