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sierraechozulu's latest activity

  • sierraechozulu
    sierraechozulu reacted to Ng2020's post in the thread Threaded Rod Design with Like Like.
    The typical practice in aerospace structures analysis is to assume an eccentricity of L/400 to account for initial imperfections.
  • sierraechozulu
    sierraechozulu reacted to WKTaylor's post in the thread Threaded Rod Design with Like Like.
    Push-pull rods... and could-be adjustable strut-rods... to take-a-look-at.... NAS91-thru-NAS119 NAS354-thru-NAS373 NAS37 Rod-End...
  • sierraechozulu
    sierraechozulu reacted to WKTaylor's post in the thread Threaded Rod Design with Like Like.
    Related... my company specifies push-pull rods or struts... with one end fixed, other end adjustable... have very special design...
  • sierraechozulu
    sierraechozulu reacted to rb1957's post in the thread Threaded Rod Design with Like Like.
    get it, by design a simple compression member. But what about manufacturing tolerances ? Well, what about manufacturing tolerances ...
  • sierraechozulu
    sierraechozulu replied to the thread Threaded Rod Design.
    To be more specific, the rod is actually a two-force member. So, the perfect geometry has no imperfection. However, there is...
  • sierraechozulu
    sierraechozulu reacted to Stress_Eng's post in the thread Threaded Rod Design with Like Like.
    For a buckling analysis, I’ve seen the MS based on compression and bending allowables (P/Pcrt + M/Mu = 1) where Mu is the moment...
  • sierraechozulu
    sierraechozulu replied to the thread Threaded Rod Design.
    Yes, I have carried out a nonlinear buckling analysis with arc-length method (a.k.a. Modified Riks) along with an induced imperfection...
  • sierraechozulu
    sierraechozulu replied to the thread Threaded Rod Design.
    Actually both rod ends and the adapter part in the model are meshed with very fine tet10 elements. contact region is modeled with Tie...
  • sierraechozulu
    sierraechozulu posted the thread Threaded Rod Design in Aircraft engineering.
    Greetings! I have been doing structural analyses of a pushrod assembly of a mechanism. The pushrod assembly has two rod ends and an...
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