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How can I join 2 nodes with an 1D element making both nodes dependient?

User: "Alan Sanchez"
New Altair Community Member
Updated by Alan Sanchez

I need to simulate the join of two parts that in the manufacturing process are joined by a "weld". Both parts are plastic and the join is done by melting one part on the other. I did the join with RBE2 elements but the problem is that the nodes don't move together. I want to use an element with a constant length, to prevent this, but I don't know which connector suits better. I add an image of the mesh that I want to join.

image

The red one is the part to be melted and then pressed to the green one to make the join.

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