采用大变形几何非线性有限元法分析强夯加固机理及其振动对环境影响。
The geometric nonlinear finite element method is used to analyze the impact mechanism of dynamic compaction.
本文采用的是非线性有限元法，它计及了材料和几何的非线性因素。
This article use nonlinear finite element method, considering the non-linearity both in material properties and in geometry of deformations.
本文采用有限元法分析考虑前屈曲几何非线性影响的结构稳定性。
This paper provides the structural stability analysis considering geometric nonlinearity on the prebuckling path by the finite element method.
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