General Mechanical

General Mechanical

How to find equivalent Stress and Strain in Composites in Ansys Classic for Hill Failure theory

    • vgattineni
      Subscriber

      Hi, As per Ansys Classis when Hill failure criteria is chosen, we need to input the ratios of failure stresses. Does it mean, it is the ratio of Failure tensile stress/ Failure Compression Stress?? Also for equivalent stress during post processing, Do I use effective stress and effective strain, in place of regular von Mises? Please clarify???

    • April Wang
      Ansys Employee

      Hi,


      Can you upload screen captures? This might make the question more clear.


       


      Thank you.


       


      Regards,


      April

    • April Wang
      Ansys Employee

      You might want to check this about Hill failure in ANSYS HELP (open Help, select Tools from menu bar, select "go to page" and paste the address):


      help/acp_ug/Quadratic_Failure_Criteria.html#Tsai-Hill_failure_criterion


       


      Regards,


      April

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