StressCheck Tutorial: TLAP-Bearing Default vs Ignore Moments & Offsets (IMO) Case Study
For a case study of an aircraft fitting with loaded lug bores, the maximum 1st principal stress at the lug root and the part deformation for TLAP-Bearing: Default and TLAP-Bearing: IMO (Ignore Moments & Offsets) was studied. The differences can be significant if the locations of the TLAPs are far away from the midplanes and/or centers of the bores, and/or if there are input moments in the fastener loads.
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“StressCheck® is the work horse for NAVAIR Structures’ detailed stress and stress concentration calculations. This software also is the basis for our development of a Structural Analysis Management System.”
Dr. David John Barrett, HeadAirframe Technology Branch, NAVAIR