Hi Armin,
Yes, I'm using *BOUNDARY_PRESCRIBED_MOTION_SET as well as applying fixed-clamped conditions to the other end. Also, at the end of applying the prescribed motion, Boundary_spc is also applied to constrain the DOFs other than the direction under displacement control. I tried applying other magnitudes of the cyclic displacements, but the problem only occurs when certain prescribed displacement curves are used (i.e., this issue does not always occur, which is weird).
You are navigating away from the AIS Discovery experience