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  • Users: Valou
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  1. Valou

    [b]Model the foams' viscoelasticity[/b]

    Hello! I'm trying to model theee behavior of a car door weather seal which is composed of compressive foam and incompressible elastomer. In static, the behavior is as I were expected to. Unfortunately, in dynamic, I have also the Prony serie to describe the compact's viscoelasticity. Do I...
  2. Valou

    HYPERFOAM AND TOTAL VOLUME RATIO

    I'm using a foam model with the strain energy function implemented in MARC. I've all the coefficients I need ( that is to say alpha_i , béta_i and mu_i). I know that I can get the total volume ratio J, but I don't know how!!! Does someone have an idea?
  3. Valou

    [b]Total volume ratio and Hyperfoam[/b]

    I'm using a foam model with the strain energy function implemented in MARC. I've all the coefficients I need ( that is to say alpha_i , béta_i and mu_i). I know that I can get the total volume ratio J, but I don't know how!!! Does someone have an idea?
  4. Valou

    Rubber and Ogden

    Hello, I'm working with the behavior law of Ogden. I have the terms (from tests...) which define the compressiblity of the material (ie béta_i). Unfortunately the code I'm using needs the Poisson's ratio. How can I define the Poisson's ratio with the béta_i of the law? I know that there is a...
  5. Valou

    Rubber and Ogden

    Hello, I'm working with the behavior law of Ogden. I have the terms (from tests...) which define the compressiblity of the material. Unfortunately the code I'm using needs the Poisson's ratio. How can I define the Poisson's ratio with the béta_i of the law? I know that there is a formula (...

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