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I build a mesh in hypermesh (nastran library) and i need to perform a modal analysis i used nastran solver but it didn't generate an .op2 file. No error message is displayed and i followed all the procedures.Moreover the op2 file is generated only for few seconds after it disappear. is that any solution of that ? in attach there are my nastran file and the report
Unable to find an attachment - read this blog
Hi @francesco aloschi
Not sure if an output request has to be requested to get .op2 file for Nastran solver to write the results. If yes, please let me know the card details and I can check in HM regarding the same.
If no, I would suggest you check with Nastran support.
i'm giving you the file if you run it in nastran it gives fatal error 9002.2 (error in main bulk data section ). thanks in advance for your help
. My goal is modal analysis for that model.
Could you try running it by Optistruct?
Hi,
Can you remove V2 on EIGRL card and check if that helps?
i tried but it doesn't work
OptiStruct generates result file (h3d) (well I have to delete few elements as they are not cooperating with the analysis)
which type of elements will be deleted ? so what is your suggestion for this problem ?
I have deleted RBE2 because of conversion, I would suggest you contact Nastran support.
i will do it because it doesn't work also without rbe2 connections
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