Just updated fcvm. This is what I get. There is no contour visible in the CSR-plot (both with result/pipeline object) The max CSR-values are different, see curve plot and result window. Maybe I did something wrong. I will have a closer look at the weekend. You can visualize the stress-triaxiality in...

Due to recent unfortunate events, I will no longer be participating in forum topics. My heartfelt thanks to all the developers for their many improvements since I joined at V0.13. Please feel free to contact me via private message for any further communication. What a strange statement. Who is stop...

Here is an example, maybe it helps...
viewtopic.php?p=693921#p693921

jamtek wrote: ↑Tue Mar 19, 2024 5:00 pm Great job on pulling the model into FreeCad and refining it. Is it for display only, or will there be sea trials?

Yeah, fascinating model.
A sea trial would be great.

... However, I still don't know the history of how these two competing definitions came about. Take a pragmatic approach: Your definition of plasticity is correct. Point. To investigate the history of the formulae is a rabbit-hole. For me it is interesting that (local) stress peaks can be eliminate...

... Having said that, using such a high value in a practical structural analysis (geometric linear without extreme mesh refinement and uncertainty about local detailing - see Thomas’ weld profiles) would (in my view) be grossly non-conservative. I would therefore stick with deriving alpha from the ...

I do not really understand the triaxiality concept. When doing a hand calculation (with stress/strain tensors at yellow "X") I get a very low triaxiality, as to expect, nearly pure shear. PEEQ is 5%, analog to IdeaStatica the plastic limit is reached. In the end I get a epsilon_cr of 32%. ...

Just updated the fcVM-wb, nice! @HarryvL : For me the point is, that I can run a linear analysis. If the stresses exceeding the limit fy, start fcVM and do the nonlinear analysis. Which btw runs much faster than ccx with nonlinear options. My loads allready contain the safety-factors from the static...

Just updated the fcVM-wb. I found this interesting article about the triaxiality concept: https://publications.vtt.fi/julkaisut/muut/2016/VTT-R-04741-16.pdf What gives me a headache is the wide range of alpha-values in table 4, used for EQ.4. Since the loading in my FEM-model contains allready the s...

fcVM compared to ideastatica. ideastatica uses a bilinear material model: https://www.ideastatica.com/de/support-center/materialmodell Cut of criterion for max plastic strain is 5% (default). HEA-200 frame under 25 kNm momentum loading, steel S235: As you can see from the curves, both calculations g...