Hi @gkotelnytskyy,
as long as you know in which range the critical load will be. this might work.
I made a small example, with a fixed end + pinned collumn under compressive load: Buckling Test by rszoeke | SimScale
From hand calculations the critical load should be about 30.31KN.
The nonlinear analysis shows a buckling behavior between load step 0.7 and 0.75, at an total applied of 40KN, whis is betwen 28KN and 30KN:
Best,
Richard