计算结果表明，数值模拟方法能够合理地描述非水相流体的运移过程和污染特征。土体渗透性和污染物残余饱和度是其重要影响因素。

Numerical results show that the contamination characteristics of NAPLs can be reasonably described, which is significantly affected by intrinsic permeability of soils and residual saturation of NAPLs.

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在本模型中考虑了土壤特性（如密度与剪切模量） 沿深度的非均匀变化，通过对典型场地剖面的数值计算探讨了有关因素对场地地震反应的影响。

In thiS model, non-uniformly variations of soil density and shear modulus with depth are taken into consideration. Numerical computations are conducted for typical cases.

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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。

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.

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