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Hoe to model a material with Modulus vs Strain data for two points?

Tagged: 18.2, hyperelasticity, materials, mechanical, structural-mechanics
    • April 13, 2023 at 7:32 am
      SolutionSolution
      Participant

      One might be able to approximate this material behavior with a simple 2 term hyperelastic yeoh material model. With two data points, one could use the formula on slide 29 of attached training material to convert young’s modulus to shear modulus (mu), assuming Poisson’s ratio =0.50. The Cio coefficients are related to shear modulus via equation on slide 10. It is best to get a full compliment of test data in tension, shear and compression to fully characterize the material.

      Attachments:
      1. Mech_ANL_16.0_L04A_Hyper.pdf

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