Iterative Modelling changing frame geometry

[Ussuri]

In the office we use an analysis package called FS2000 for general frame analysis. We also have license for STAAD.

One of the useful features of FS2000 is that you can set up your model, run the analysis, then get software to amend the model geometry, section size, delete members, add in extra members, supports etc, continue running the analysis, delete a few extra members, put in some new ones etc etc. All within the same model and the same analysis run.

We use it for looking at construction cases where they may be extra (or less) members and then for looking at final cases with all permanent members in place.

Is it possible to do something similar in STAAD?

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[SteveGregory]

STAAD allows you use several PERFORM ANALYSIS commands in a single input file or run. You can make members inactive in one run and then make active again in another analysis during the same run. Supports may be changed also. I think STAAD has some example problems to illustrate this.

 

[ThomasH]

Just a minor addition to the previous post.
I think the command you need to study is CHANGE.

Good Luck

Thomas

 

[Ussuri]

Thanks Guys.