Code Combinations Not Created

[Anonymous]

Hello,

In the model I've attached, the following input have been entered into the model;

- Bars

- Bar releases (to simulate pinned beam connections)

- Rigid Links (to simulate rigid panels put as walls - aerated concrete blocks that can carry loads both horizontally and vertically)

- Supports (all of them are regular fixed supports on the bottom of the columns)

- Loads including seismic

- LRFD code combinations

After the first calculation trial which I didn't unfortunately noted, I got series of warnings and errors including enabling DSC algorithm, seperate structure, instability at node x, load cases are not selected and possibly other errors that I forgot. After correcting the model following the warnings (only corrected some nodes for instability, did nothing about seperate structure or load cases but enabled DSC and RLINK at Job Preferences) I left with only one instability warning at a node at short column pinned top (node 20) but the code combinations that have to be created after calculations (ULS and SLS) don't appear.

Now after having a chunk of errors, I'm afraid to miss something somewhere in the model (an excess or missing release, support etc) that would result a wrong calculation but not appear as an error. The pinned connection of beams are all fixed in all directions of displacement but free in all directions of rotation. The additional fixed Rx directions are only my attempts to prevent errors in calculations but have no importance in reality (because I expect the elements would never fail under the load in Rx direction).

So beginning with missing ULS and SLS combinations, I would really appretiate any comments about missing or wrong things in my model.

Thank you.

[Artur.Kosakowski · Accepted solution]

Code combinations cannot be generated for nonlinear analysis models. Use the automatic generation of manual combinations instead. 

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