SIMLAB Frequency Response Analysis - FATAL ERROR "eigdrv", OptiStruct Error "3428"

Adam .S
Adam .S Altair Community Member
edited May 13 in Community Q&A

I am running a modal analysis/frequency response analysis. I am using the same meshed components from a previous, successful analysis run; but I replaced 2 meshed components with updated CAD changes. I cannot see anything wrong with the meshes or the set up. However, the analysis keeps failing and the only explanation in the 'out file' is Error "eigdrv" and OptiStruct Error "3428". Does anyone know what these errors mean or reference?

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Best Answer

  • Adam .S
    Adam .S Altair Community Member
    edited May 13 Answer ✓
    Rajashri Saha_20525 said:

    Hi Adam,

    Please share the .fem and .out file.

    Which version are you using?

    Thanks

    Rajashri

    Hi Rajashri,

    Through trial and error I have resolved the issue. it was a fault in the tet10 mesh for the imported component. I re-meshed to tet4 mesh and it seems to be working now

Answers

  • Rajashri_Saha
    Rajashri_Saha
    Altair Employee
    edited May 13

    Hi Adam,

    Please share the .fem and .out file.

    Which version are you using?

    Thanks

    Rajashri

  • Adam .S
    Adam .S Altair Community Member
    edited May 13 Answer ✓
    Rajashri Saha_20525 said:

    Hi Adam,

    Please share the .fem and .out file.

    Which version are you using?

    Thanks

    Rajashri

    Hi Rajashri,

    Through trial and error I have resolved the issue. it was a fault in the tet10 mesh for the imported component. I re-meshed to tet4 mesh and it seems to be working now

  • Rajashri_Saha
    Rajashri_Saha
    Altair Employee
    edited May 13
    Adam .S said:

    Hi Rajashri,

    Through trial and error I have resolved the issue. it was a fault in the tet10 mesh for the imported component. I re-meshed to tet4 mesh and it seems to be working now

    Ok, good to know that it is resolved.

    Thanks

    Rajashri

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