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  3. Why isn’t the stress-strain response from response function hyperelastic model not matching with the input stress-strain curve?

Why isn’t the stress-strain response from response function hyperelastic model not matching with the input stress-strain curve?

Tagged: 17.2, General, mechanical, Structural Mechanics/Nonlinear Mechanics, structural-mechanics
    • June 5, 2023 at 7:04 am
      FAQFAQ
      Participant

      The experimental data is engineering stress-strain whereas the stresses/strains calculated by ANSYS are true stress and strain. Either of these quantities should be converted to the right format before making comparison.

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