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?ABAQUS/Explict?General Contact problem in CEL

?ABAQUS/Explict?General Contact problem in CEL

?ABAQUS/Explict?General Contact problem in CEL

(OP)
The model is about the tubular pile penetration process. as you can seen in the figure.1.
[img https://scontent.xx.fbcdn.net/v/t1.0-9/14502778_29...]
the soil is model by the eulerian element, and the pile is assumed to be the rigid body.
i use the general contact in the interaction, as u can see in the pic below. the tangential behavior adopts penealty, and the normal behavior adopts hard contact
[img https://scontent.xx.fbcdn.net/v/t1.0-9/14716185_29...]
However, the soil overlap with the pile during the penetration.
[img https://scontent.xx.fbcdn.net/v/t1.0-9/14725732_29...]
[img https://scontent.xx.fbcdn.net/v/t1.0-9/14666273_29...]
the soil below is not seperated by the pile, but stick together?
how can i solve this problem???

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