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Questions on FBD using H3D file

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I typically work with Nastran solver and thus am more familiar with exporting solver deck to Nastran via HM/HW.


Anyways, I was just doing a test run for Optistruct and I did not touch any of the control cards section. I just created a load step and selected the SPC & load cards along with required output vectors. One of the outputs I requested is GPForce. I submitted the job to Optistruct & sure enough, the analysis ran without any issues. However, when I open the files in to HV and try to do a FBD analysis, I get an error.




Screenshot of .fem file



Just clicked on "Optistruct" button in this panel to submit the job for analysis.



Importing the model & results (?) file in to HV with Advanced Math template.



And the error when invoking FBD option.


I could open .out file in a text editor but I was not able to see any results like element/grid based outputs like I usually see in a Nastran F06 file. Not able to make out if the solver actually considered GPForce option even though I have specified the same in HM.


I am sure the above is basic but would appreciate help.

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