Imposed displacement

Hi! I would like to modify the constraint on one of the nodes of my model, applying a displacement.
(Just as a reference similarly to what is done in abaqus using steps and new bc).
I read sometimes that it could be possible with a spring, but this would not be fully correct.
Do you know if it is possible/have other suggestions?
Thank you in advance,

I’ve actually found how to impose the displacement. But I don’t see it when i run the eigenvalues analysis. Anyone has worked on this?

Imposed displacement is a load and does not impact on dynamic eigenvalue directly.
If you want to account it you have to update geometry:

+prog ase
syst plc X stor yes

where X is your imposed disp. loadcase number and after that run eigenvalue anaysis

Thank you very much Mico! It worked as i wished