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Found 29 results

  1. Hello, I want to know how to do a normal modes analysis in RADIOSS not optistruct as i have modeled for crash with contacts and joints and couldnt find any cards for normal mode analysis. It will be great if some one helps me and thank you in advance.
  2. I am performing a modal analysis of my sheet metal structure and I have used rbe3 and rbe2 elements to connect two sheet metal part mesh. But, it showing error as saying "massless body found". I want to ask that in modal analysis rigid body work or not?
  3. Is it possible to calculate the Stiffness (N/m or N/mm) of the structure from any analysis??
  4. Hi everyone, I have been performing cyclic symmetric modal analysis using EIGRL card. I would like to have some results belongs to a certain Nodal Diameter.I am an Ansys user as well and it is possible to define harmonic indexes in order to have natural frequencies for various nodal diameters. How does it work in optistruct? How can I have natural frequencies at different Nodal diameters. Thank you Ugur
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