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  • Users: lfce
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  1. lfce

    Polynomial model problem

    I am using experimental data, I am trying to obtain the hyperelastic parameters of the experimental data (Determine the coefficients for n=3 polynomial), I do have the NLGEOM = YES, I have C3D8H elements, the shape itself is a cylinder and I am indenting th middle of the top surface of the...
  2. lfce

    Polynomial model problem

    Dear All, I am currently working on a program to find hyper-elastic parameters, and I am using an inverse finite element method. I have experimented with different hyper-elastic models but I am having a hard time being able to get the polynomial model to give me a non linear response. Everytime...

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