为了更准确研究高速列车引起的地基振动，提出了车体—轨道系统—饱和土地基耦合分析模型。
In order to investigate the train-induced ground vibration more accurately, a vehicle-track-ground coupling model is proposed.
同时，应用断层系统内各个断层相互耦合作用和应力转移的模型，去分析成组地震活动迁移过程的机理。
The mechanism analysis of migration process of grouping seismicity has been done by using a model of fault interaction and stress transition.
采用有限差分法和混合有限分析法对耦合模型进行数值求解，并分析了启动压力梯度对地下水污染浓度的影响。
The finite difference method is used to solve the coupling model, and the influence of starting pressure gradient on the distribution of groundwater pollutant concentrations is analyzed.
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