So it seems that for some reason the critical load case is selected wrongly by Staad in v8i. In both models the member forces are similar. If I run the analysis in 2006 version, the ratio is over 40% and it corresponds with the combination case causing the biggest tension as it's more critical in this case (compression is small in relation to buckling lengths, tension much bigger and critical in this case). The buckling lengths are really small so it's not about that. For some reason v8i selects one basic load case a critical case (it's wrong and has also been checked by hand) and outputs a utilization ratio of 9%. There is max 100kN of compression and 500kN of tension (and small moments). If I run the same structure in v8i, the unity check results are totally different.
When I analyze the structure with Staad 2006 version it works fine (checking also by hand). The problem is that basically I've been looking at the utilization ratio of a part of a truss lower chord. I'm using Eurocode EN :2005 in Staad for the analysis (might be that many of you here are not using use Eurocode, but still).
Copy the learning path or course link to share it with your colleagues.I'm using Staad.Pro v8i Release 20.07.05.15 for structural analysis of a steel structure.Personalize the learning path to include just the live and on-demand training options that best meet your skill development needs.Add the learning path to your account as a ready-made training plan for mastering your Bentley products.View the recommended training offerings and register for upcoming live training or launch on-demand courses.In addition, you can narrow your search results by language and product generation. The guy told me he would call me back in a few hours. Earlier this week I found a bug and called them. Regarding your P.S., I'm finding Bentley less and less responsive. Use the “reset” button to clear all filter and search results. I just read through their announcement of the latest version and didn't see it mentioned.
0 kommentar(er)
