Hello,
First of all, I am coming from ANSYS, I have used Caesar II for about a month now. My question is related to seismic analysis.
In ANSYS it is quite easy to build a dynamic case and all is fairly clear when it comes to looking at static and dynamic loads before, lets say combining with Newmark rule.
In Caesar II I am able to build and run response spectra. At this point I am having a few questions on:
1. Case combinations
2. output files in DYNAMIC OUTPUT window
I need to run response spectrum in three directions separately, and then combine my results with gravity, so in "SPECTRUM LOAD CASE" tab I firstly create 3 new load cases and then each load case is assigned a single direction (X,Y & Z).
Then I want to combine the results of seismic accelerations for each of three directions with gravity. For this part, I go to "STATIC/DYNAMIC COMBINATIONS" tab and create again 3 load cases,
where I make a combination of SUS (W+P1) +D1 in load case 1, SUS (W+P1) +D2 in load case 2 and SUS (W+P1) +D3 in load case 3.
Then in "CONTROL PARAMETERS" tab I choose OPE (W+T1+P1) for static case for nonlinear restraint status and I run the analysis.
When I get to the window of DYNAMIC OUTPUT I can see 6 load cases that I created, 3 of shock cases ands 3 of combination cases.
Finally my first question is:
Are my cases that I described above doing what I initially wanted to do (combine the results of gravity from static case with the results of accelerations)?
I assume it is done in combination cases and the shock cases are only to show the results of accelerations with no gravity
Please correct me if I am wrong about any input of my dynamic analysis.
Thank you.