On the validation of nonlinear dynamic models for structures with frictional joints

Luca Pesaresi
High cycle fatigue caused by dynamic stresses is one of the main threats for aeroengine components. Friction damping is regularly being used as a passive system to dissipate the vibrational energy of these components. Due to the presence of friction contacts, the dynamic behaviour of engine components becomes nonlinear, making an analysis much more challenging. Various modelling approaches have been proposed, however due to the complexity of the systems, a standard fully validated approach is...
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