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Showing results for tags 'nastran solver'.
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Hello all, I am currently working on NVH Frequency response analysis with optistruct and nastran solvers and I see an error of opproximately 10%. Same FEA model has been used in both solvers and the error is 10%. If both the models are created in their corresponding solvers, then the error comes out to be 7%. How good is Optistruct solver for NVH to match Nasran solver? Any benchmarking done on this? Please help me out. Thanks and regards, Punith
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 nastranfile.bdf nastranfile.log