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This means to look at 

a) Product behavior with bolted joints, not only bolted joints treated separately.

b) Total Machine Dynamics, not only one component; only this together results in the operational behavior and stressing of components; never only one single component determines complete behavior. And this total system behavior leads to worst case stressing (often resonance).

c) Stressing of components including load deformation behavior with bolted joint, not only rigid body approach like done for many standards; for today´s increased requirements this is not sufficient.