Step 3 Doesn't allow load

General Questions
1

Is this a ccx limitation?
imagen

2

It shouldn’t be a matter of the step number but its type. Is it some dynamic step ?

3

1Static. Deactivated
2Buckling.Deactivated
3Frequency (*)

Even erasing the first step I’m not allawed.
Even if a save it as a new file and erase the first two steps.

(*) I fill like Bill Murray right now. :smile: Guess why.
imagen

4

Loads can’t be defined in frequency steps, also in Abaqus:

freq

5

Oh. Thanks. I have to split right.
Pre-stress + second step with frequency and active Perturbation.
Can I use any load (Pressure) or is there any concern about it.?

1 Like
6

Yes, you need two separate steps: https://www.youtube.com/watch?v=-M2BOHHkUf4

Any load type should work.

2 Likes
7

Thank you. It worked fine