Soil nonlinearity, pore water pressure build-up process and boundary condition of the model are taken into account in the calculation model.
计算模型考虑了土体非线性、孔隙水压力的变化以及模型边界条件的处理等。
The nonlinearity of soil should take into account, so the article adopts "initial-stress" finite element approach to resolve the coupling formulation.
考虑到土体的非线性性质，本文采用了弹塑性方法中的增量初应变法对耦合方程进行解答。
Large deformation theory to deal with geometric and material nonlinearity problems, so that not only considering the material nonlinearity of soil has to consider its geometric nonlinearity.
大变形理论能够处理几何非线性和材料非线性问题，这样，既考虑了土体的材料非线性又考虑了其几何非线性。
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