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  1. jcc2000

    Literature needed for education polyethylene

    I have a project where I am working with low density polyethylene. The project specifies a minimum amount of allowable permanent deflection under a predefined load. Does anyone know of a good reference to educate myself on this material? Specificially yield criteria? I'll be using a FEA...
  2. jcc2000

    Von Mises Stress Strain Discrepancy

    I just completed a non-linear analysis. The following are the inputs for the material: E=200GPa v=0.27 Von Mises Criteria, Initial Yield 248MPa Plasticity Modulus 500MPa The output stress and strains do not match the bilinear stress strain curve. For example I am getting 400MPa of Von Mises...

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