I have a 3 layer stack-up which are all in contact at the beginning of the simulation. At the end of the simulation, they separate due to applied pressure. Now, if I were to restart this simulation with the same applied pressure, some parts of the stack-up are no longer in contact. How do I make sure that these separated parts of the stack-up don't penetrate each other for the rest of the analysis. The stack-up expands due to heating.
I can't define contact interactions since the separated parts of the interface are not actually in contact. Is there any type of constraint that I can apply so that the separated parts don't intersect?
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