A curved surface shell hot drawing was simulateel by finite element method and forming trial was condncted.
采用有限元法模拟曲面壳体热拉深成形，并进行成形工艺试验，其模拟结果与试验结果一致。
The deformation of ground surface during the construction of curved pipe-jacking is studied with 3d finite element methods.
通过建立三维有限元模型，研究了曲线顶管施工过程中地表的变形规律。
The deformation of ground surface during the construction of curved pipe-jacking is studied with 3d finite element methods.
通过建立三维有限元模型，研究了曲线顶管施工过程中地表的变形规律。
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