Simulation of Driven Pile Problem Using Coupled Eulerian-Lagrangian Method


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Abstract


Developing a reliable method for the pile diving analysis, has long been identified as necessary in various geotechnical practices. The high cost involved in the pile driving process makes it necessary to find an accurate method for simulating the installation process. Various analytical studies were conducted in the past, but they came along with numerous assumptions, which made them non-reliable for application into actual field cases. The necessity of developing a finite element method for the problem was realised by researchers and various analysis techniques were put to use. A major disadvantage of the traditional finite element method was that they involved severe mesh distortions for large deformation problems and difficulties in contact modelling. In this paper, the Coupled Eulerian-Lagrangian (CEL) method is used to simulate the pile driving process from its initial unpenetrated position. To account for the dynamic effects, force controlled simulation process is adopted. The various factors affecting the penetration process are identified and their effects are also analyzed.
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Keywords


Coupled Eulerian-Lagrangian; Large Deformation; Dynamic Pile Driving

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References


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