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  1. ABV97

    floor beams load due to fuselage pressurization load

    Hi All, I am analyzing a floor beam modification and was wondering how can I incorporate fuselage pressurization load on top of 6g down load, no FEM model available? Conservatively stress within the floor beam due to pressurization load would be around 10 ksi, but I need to validate it. Your...
  2. ABV97

    dynamical behavier of weight-added Post Mod beam

    Hi All, On a modified beam I have statically proved that is OK. However on the beefed portion of the beam, since the weight of the Post-Mod beam is bigger than the original Pre-Mod beam, I was wondering what would be the dynamical behavior of the beam. I am thinking of getting approach to...
  3. ABV97

    Simply Supported (SS) Rectangular Plate Stress Distribution

    Hi All, I am analyzing a rectangular plate under uniform liquid pressure in order to evaluate its max deflection and stress. My approach was using "Roark's Formulas...." and for my panel (25.0" x 13.0"), with p = 29.61 psi, I got a panel stress of f = 585,184 psi. I double checked with...
  4. ABV97

    Stress Concentration

    Hi All, I have the following problem - I have an I-beam. This I beam is replaced with e new I beam, same material, but the middle of the beam is beefed up, which is a stress concentration. Any hints, how should I get away with the new design, addressing the fact that I have a higher stress...
  5. ABV97

    cosine distribution

    Hi, I am dealing with a beam having a reaction moment in the middle of the beam. Beam is simply supported. Assumption is that the load have a cosine distribution with a running load w = (pi*2 x M)/L*2 x 2 [lb/in]. Does anybody know where can I find more information about cosine load...
  6. ABV97

    cosine load distribution

    Hi, I am deaing with a beam having a reaction moment in the middle of the beam. Beam is simply supported. Assumption is that the load have a cosine distribution with a running load w = (pi*2 x M)/L*2 x 2 [lb/in]. Does anybody know where can I find more information about cosine load...

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