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  • Users: reetu
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  1. reetu

    hyperelastic material models and shell181

    I am trying to model a hyperelastic material using shell181 element in Ansys. I provide uniaxial stress-strain test data and fit a Mooney-Rivlin model to it. The fit is very good. However, in the final solution, I find that the material stress and strain do not relate as per the defined...
  2. reetu

    modeling a composite using 'sections' in shell 181

    Hi, I have a thin structure which I model using the shell181 element in Ansys. As long as I provide the thickness of the structure using the 'real' definition (just one layer), the results are fine. When I try to model the same structure as a composite using 2 layered sections, the results are...

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