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  1. JSF10

    Stiffened panel- crippling stress under Uniaxial compresion vs Bending

    Hi all, I am looking into buckling of unflanged stiffened flat panels under BENDING. There are many reference for the above problem under UNIAXIAL COMPRESSION but NOT due to BENDING. How does the buckling stress and crippling stress defers from UNIAXIAL COMPRESSION to BENDING?. Is the...
  2. JSF10

    Rotational restraint of flanges in I beam

    Dear all, just a quick question.....Basically, I have an I beam, and I want to find the shear buckling stress of the web. I want to model the top and bottom of the WEB with SPRINGS to take the rotational restraint of the FLANGES into account in the FEM program (Nastran). I am trying to calculate...
  3. JSF10

    Buckling analysis of a preloaded square plate using FEA (Nastran)

    Dear Sir/Madam, I would like to know how to do buckling analysis on a square plate that is already been pre-loaded under a shear load (qb). That is I have a square plate model that needs to be stressed by loading in shear (qb) initially along the two plate (left & right) edges. Then I need to...

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