crackman, thanks for the reference, "Investigations of Post Buckling Behaviors of Monolithic Bulkhead by Test and Analysis for Large Transport Aircraft" by C.Hsu, Tzon, and Chan, The Boeing Company, Phantom Works."
A quick search on google did not find anything. Can you suggest how I get a copy.
I have a machined rib and want to check the web buckling. What dimension should I use for the web width? Usually I would use the dimension from the mid-line of the surrounding stiffeners but a less conservative view may be to use the dimension from the inside surface of the stiffeners. What is...