This jack is a tube inside a tube sliding design with a hydraulic cylinder inside to extend it.
I fixed a pad on the side of the tube where it welds to the machine.
All loads were applied at the foot pin.
I meshed with the parts touching - edge on surface, then defined a Bonded contact on one edge and a no penetration contact on the other.
I can get the analysis to run, but the assumption that one edge is Bonded is wrong.
If I mesh with parts not touching, and define No Penetration contacts for both edges, it fails, even with some rigid bar Links connecting to the top to hold it.
How do I get both edges to slide on a surface?
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