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Modelling a vacuum pipe using an orthogonal material

  1. Sep 27, 2010 #1
    Hi!

    I'm trying to model a vacuum pipe on Ansys. I've already modelled it using an isotropic material, assuming its a plane strain problem (infinate pipe), but now I want to use a laminate structure composed of an orthogonal material such as nomex (honeycomb) with a seal tight layer of Al or Beryllium glued to the inside surface. I'm firstly struggling to find any of the required data i.e. x,y,z moduli etc.

    Also, does anyone know of any good method of simplifying a model such as this, for instance by averaging the properties and using an isotropic model...if that doesn't sound stupid...

    Thanks for any ideas or sources of information!
     
  2. jcsd
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