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LS Dyna

LS Dyna

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  3. material with different modulus in tension and compression

material with different modulus in tension and compression

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    • August 14, 2024 at 3:38 am
      tc2fh
      Subscriber

      I'm trying to model hydrogel material fabricated by our group that appears isotropic, linearly elastic in tension and compression, but has a different elastic modulus in tension and compression. I can't find an lsdyna material that would allow me to model this. Hyperelastic materials like the Ogden or generalized hyperelastic models give poor fits to my experimental data. How would I model this, is there a material in dyna that I'm missing?

    • August 14, 2024 at 1:57 pm
      Alex R.
      Ansys Employee

      Hello,


      Could you please look at the *MAT_SIMPLIFIED_RUBBER/FOAM. This material model provides a rubber and foam model specified with a single uniaxial load curve.

       

      Thank you,

      Alex

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