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  3. If I have stress / strain data in units of MPa, will this yield the same Mooney-Rivlin constants if the data was in psi?

If I have stress / strain data in units of MPa, will this yield the same Mooney-Rivlin constants if the data was in psi?

Tagged: 17, hyperelasticity, materials, mechanical-apdl, Nonlinear mechanics, structural-mechanics
    • March 17, 2023 at 9:00 am
      FAQFAQ
      Participant

      The M-R constants have units of stress and must be consistent. Thus, experimental data in MPa units will give different constants than data in psi units.

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