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Recent content by newmann

  1. newmann

    wood truss structure

    I have EL=10000 N/mm2,NuLR=0.292,NuLT=0.449,NuRT=0.39,NuTR=0.374,NuRL=0.036 and NuTL=0.029. As I undestand, for the analysis I can use EL and NuLT. Is it correct? Thank you everyone for the very useful answers.
  2. newmann

    wood truss structure

    I tried to make assumtion that I have isotropic material. In a literature, I found E=10000 H/mm2 and G=800 H/mm2 (DIN norms). But for isotropic material, the following equation G=E/2(1+v) have to be valid. I have in resalt v=5.25 that looks totaly wrong and I have warning message from nastran...
  3. newmann

    wood truss structure

    I'm quite new in FEM and want to calculate wood truss structure (beam elemnts). But I have no iedea which values should I use for my structure to define properties, because wood is 3D orthotropic. Thanks a lot.
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