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  1. jimnees

    New to NASTRAN

    Help!! I'vee been using NASTRAN oiutputs for years, to do Staitc and fatigue reports, now I'm actually looking at being able to build my own NASTRAN models. I have a book!! Anybody give me some pointers to turorials or samples on how to get started? jim.neeson@goodrich.com
  2. jimnees

    Modelling of Composite Bonded Joints

    Kieron, we model our laminate build up's on our proprietary software, however it analyses the ply build up, and ply stresses, and determines ply margins of safety, based on a Tsai-Hill calculation. It utilises NASTRAN load conditions. Is it ply behaviour your looking at modelling?
  3. jimnees

    Bonding Carbon fiber parts

    I work in composites every day, there are loads of ways of doing things, all depends on your criteria for manufacture.
  4. jimnees

    Wrought aluminium

    We are tying to determine strength data for Wrought Titanium. Does anyone know what the differences between a cold forged titanium and a Wrought Titanium are? Also, would using a heat forged Aluminium, value be acceptable? Thanks, Jim
  5. jimnees

    Poisson's ratio at elevated temperatures

    If you consider what Poissons ratio is determined by, then would the thermal expansion constant not be the same for the material in both directions?, If so, this would suggest that poissons ratio wouldn't change.
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