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    • Rahul Ponginan

      Please click here for a short but important announcement   03/26/17

      Dear Users Our Commercial and Academic users around the world can use these same forums here as before i.e. the Altair Support Forum , Commercial users from India with solver queries can go to the Solver Forum for India Commercial Users , Academic Users from India and AOC India Participants are requested to go to the Forum for India Academic Users and AOC India Participants , We will be tending to all queries in all the forums promptly as before, thank you for your understanding. 


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  1. I have a model where i have defined cross section planes in a model. It's a LS-Dyna model. I know how to view forces in those planes. But is there a way to calculate shear and normal stresses in those planes? Thanks in advance PS - A method other than dividing the forces by area
  2. Nastran Basics

    I know I'm asking a vague question but can someone guide me about the basics of Nastran. Please see the attached image for details. If anyone could point me to useful resources it would be highly appreciated. Thanks in advance.
  3. Adding material properties from force-deflection curve

    Okay. Thanks for replying Will try your suggestions.
  4. Adding material properties from force-deflection curve

    I using Hypermesh 12.0
  5. I have the force deflection data for the rubber - Neoprene. I want to define material properties using this data. How do I do that? I am using Radioss Bulk Data