I screwed up the Comsol versioning on my previous post so I want to ask my question again, in proper context. I use Comsol 5.2a, I have a simple need to weld one end of a beam to a rigid domain. All I want is a way to specify a boundary condition where the location of beam contact on the rigid domain and the angle of beam contact relative to the local surface of the rigid domain do not change, no matter what else is going on in the simulation.
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