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Recent content by fbdandloadpath

  1. fbdandloadpath

    Passing of John Hart-Smith

    Sorry to hear that. I doubt he realized how extensively his work has been utilized around the world.
  2. fbdandloadpath

    Program to calculate ILSS

    Do you really need a FEM or code to investigate this? The horizontal shear stress on a laterally loaded plate is VQ/It, so you have an available check on the solution if you do utilize FEM or programs. Do you have allowable ILS data for the composite you are using? If you have 3 or 4 point...
  3. fbdandloadpath

    Afgrow - Need a copy

    Here you go Specialmission... http://lextechadmin.win.aplus.net/ FBDandLoadPath
  4. fbdandloadpath

    Online Aerospace Structures Grad Programs

    YoungTurk, I suppose I am biased, but I recommend the APOGEE (A Program of Graduate Engineering Education) program at the University of South Carolina. The Mechanical Engineering program is very strong in structural mechanics - there is no aerospace program per se. I attended part time through...
  5. fbdandloadpath

    Bearing bypass stress in skin with countersunk fasteners

    Rpstress, Yes, that's the BJSFM referred to. The key to the use of BJSFM is the correlation of the analytical predictions possible with BJSFM to reality. The DIST parameter (some call it Rc) is what is used to adjust the analytical predictions to match test data. First get statistically...
  6. fbdandloadpath

    Bolts with shell elements

    If you happen to have load-deflection data for your joint, the CBUSH element can be used with PBUSHT and TABLED1 cards in a nonlinear run. The hard part is getting the load-deflection curve.
  7. fbdandloadpath

    Training New Hires

    CS, MAC 339 is McDonnell Aircraft Company Report 339 - a strength (stress/structures) manual from the days in St. Louis before Boeing or even Douglas. It came from back when they called themselves Mac-Air. FBDANDLOADPATH
  8. fbdandloadpath

    HIRING MANAGERS ONLY

    This is the third attempt I've made at responding to the original posting - the first two were just not appropriate. You must realize that HIRING MANAGERS, and the actual engineers you are trying to get a job with, are mostly old guys/gals that get irritated by the style of language exhibited...
  9. fbdandloadpath

    CELAS3 vs RBE3

    Agreed - a search of the Eng-Tips Forums for "fastener flexibility" will result in many approaches to this question as well as links to great references.
  10. fbdandloadpath

    CELAS3 vs RBE3

    Sych, I recommend performing some tests, or at least getting access to some test data, then try modeling it both ways. You'll come up with a defendable position that way. This question has been circulating around Nastran (and other) user discussions for years, but I'm always convinced by...

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