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  1. AOktem

    1st order raisonance frequency about 0.001

    Are you sure that you are not encountering a rigid body motion?The frequencies for rigid body motions sometimes come out as very close but not exactly equal to zero.
  2. AOktem

    FE rim assembly with an air tire

    What's the tire FEA Model?Material Properties of the tire?
  3. AOktem

    Cyclic loading-fatigue failure

    Another point:for low cycle fatigue, strain based life estimation approaches can give more reliable results compared to stress based ones.However strain based FEA techniques are much harder to implement (IMHO).
  4. AOktem

    import of IGES file

    Change the file extension and try again.But you will probably have great difficulties while meshing that IGES file.Try to use a 3rd party software like SolidWorks and export as a parasolid.CATIA IGES files are hell.ANSYS 5.4 may not be supporting new IGES versions either.Also you may try to...
  5. AOktem

    Importing IGES into ANSYS from Autodesk Inventor

    Try Parasolid (*.x_t) if you can, works much better than IGES.
  6. AOktem

    IGES files not recognised by Ansys 5.4

    To my understanding iges files should end up with an *.igs?
  7. AOktem

    Catia 5 to Ansys 6 Model transfer...

    Have you tried parasolid files? ANSYS works best (in my opinion) with *.x_t export files.
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