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Sliding In Abaqus

Hello everybody.

 I am trying to use abaqus software to model the sliding of a metallic pile inside a metallic sleeve. I have tried doing this with the translator connector, but I always get the message that 2 regions in the model are not connected. Can anybody help me with some hints as to how to use the connector, or if there are any other ways to model the sliding? 

The warning "There are 2 unconnected regions" simply means they are not connected; i.e., there is no transfer of stiffness/forces between these regions (or alternatively can be said that the system matrix is singular). But it should not kill the analysis, as once contact/constraints have been established, there is no rigid body motion anymore. So you should start converging. 

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