Approximated Dynamic Flexibility Applied To Power Flow Mode Computations

Abstract eng:
Complex mechanical structures usually encountered in the automotive or aerospace sectors are composed of an assembly of several components, exhibiting different mechanical properties and joined at their interfaces by different junction types. Hence, their various dynamic behaviours and the applied external loading may generate important efforts on the main structure, resulting in high acceleration responses of the on-board equipments, finally affecting their performance reliability and security. A power flow mode approach has been recently developed by the authors [1] to dynamically characterize the interface of a receiver substructure with regard to the junction forces f j exerted by a source substructure. It is based on the minimization of the averaged transmitted power,

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