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首页> 外文会议>International symposium on constitutive modeling of geomaterials: advances and new applications >3D Large Deformation FE Analysis of Spudcan Foundations on Layered Clays Using CEL Approach
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3D Large Deformation FE Analysis of Spudcan Foundations on Layered Clays Using CEL Approach

机译：3D使用厘米近分层粘土基础的大变形FE分析

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Spudcan foundations are used widely to provide support at the seabed for independent legged jack-up rigs.In order to explore the continuous loadpenetration profile and mobilised soil failure patterns,simulating deep penetration of spudcans during preloading a jack-up rig,large deformation finite element (LDFE) analyses are essential.This paper investigates continuous penetration of circular spudcan foundations in single and two-layer clay deposits.An LDFE approach termed Coupled Eulerian-Lagrangian (CEL) approach in commercial package Abaqus was used.For implementing the CEL approach,a 3D model was created,in which only one fourth of the whole model was considered accounting for the geometric symmetry.Parametric LDFE analyses were performed encompassing the range of practical interest.The results from 3D CEL approach were compared with the previously published results from axisymmetric LDFE analyses using the RITSS (remeshing and interpolation technique with small strain) approach.The good agreement obtained shows that the CEL approach is capable in analysing complicated large deformation problems.
机译：Spudcan基础正在预载升式钻井平台，大变形的有限元期间广泛地用于提供在海底独立腿的自升式rigs.In为了探索连续loadpenetration轮廓和动员的土壤破坏模式支持，模拟spudcans深层渗透（LDFE）分析是essential.This本文研究在单和双层粘土deposits.An LDFE方法圆形spudcan基础的连续渗透称为耦合欧拉 - 拉格朗日在商业包装（CEL）的方法的Abaqus被used.For实施CEL的方法，三维模型被创建，其中只有四分之一整个模型被认为占几何symmetry.Parametric LDFE分析进行包围的由3D CEL方法实际interest.The结果的范围内与轴对称的先前公布的结果进行比较LDFE分析使用RITSS（网格调整，并用小应变的内插技术）approach.The良好的一致性得到显示，CEL方法能够在分析复杂的大变形问题。

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