TAGGED: Discovery AIM, thermal
July 17, 2020 at 12:09 pmm.hallenbergerSubscriber
Hello, we have the problem that the same analyzes in AIM2020R1 compared to AIM2020R2 have different results.
did you change the newer version of the solver?
The deviations are over 30 °C!
July 17, 2020 at 1:26 pmNaresh PatreAnsys Employee
There hasn't been any changes to the solver in the 2 versions. is it possible to share the 2020R1 project so that I can check it at my end?
July 20, 2020 at 4:18 amm.hallenbergerSubscriber
Hello Naresh Patre
can you send me an upload link? The project data is very confidential.
July 20, 2020 at 7:16 amNaresh PatreAnsys Employee
MaH Sure, I will send you a secure transfer link through email
July 20, 2020 at 7:49 amNaresh PatreAnsys Employee
I got an error while reading the file. The project file (.wbpj) and the folder is not matching.
The best way to send AIM file is by archiving it. See below article on file archiving.
YOu can use the same secure transfer link and send the archived file. Also, Please send the 2020 R1 project file so that I can open it in both versions for testing.
July 20, 2020 at 10:09 amNaresh PatreAnsys Employee
Thanks for sharing the files. I went through them and it seems to be a defect. I have submitted bug 314139 for this issue and will let you know the findings from the development team.
July 22, 2020 at 7:54 amNaresh PatreAnsys Employee
I got a reply from development team saying that this is not a defect in 2020R2. This is due to an improvement they did for DefaultConvectingSurfaces() expression in 2020R2. Now they are trimming all contact surfaces (only actually participating parts) from convection location so the results will be more accurate. So the results in 2020R2 are actually better.
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