利用半解析单元法将顶管施工中三维土运动问题转化成一维数值计算。
By making use of the semi analytical element method, the three dimensional soil movements problem of pipe jacking is transfered to a one dimensional numerical calculation.
有限元法把分析的连续体划分成许多较小单元，在单元之间满足线性方程，因此有限元法为非线性问题转化为线性问题提供了方法。
It analyzes a continuous body by grinding units which satisfy linear equations. Therefore, this method provides a way for transforming nonlinear problems into linear ones.
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