Abstract
A series of modal tests were performed on a complex aerospace structure, consisting of a shell structure with joints and discrete payloads, in order to validate a finite element model of the structure. Modal tests have been performed on individual assemblies followed by model updating using the measured modal data. The final configuration has placed all assemblies together as a complete unit which includes a multitude of joints and interfaces. Frequency response functions (FRFs) were chosen as the validation metric.
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