Thank you very much for all the replies.
@IRstuff: I chose this forum because I am not interested in the FEM side of things, but in the interpretation of results in an aerospace structures context.
Correlate to tests / reanalyse known parts:
I agree this ist the best way to go, but for...
Static analysis using analytical methods is often based on rather crude models of reality - beam theory, net section stresses, no or limited interaction of elements, ....
Still, for ductile metals these methods work well, are widely accepted and give a quite distinct result: MoS > 0 is good...
