This study details in-house efforts that culminate in a computer program for the prediction of vibration inputs to equipments mounted in fighter aircraft. The computer format is orchestrated about a basic function whose thematic variations are invoked to describe boundary layer excitations and to synthesize a sequence of transfer functions whose operations, in turn, define the resultant vibration spectrum; beginning at the aircraft surface and proceeding inward to the designated equipment. Program inputs specify flight conditions, aircraft structural classes, equipment weight, equipment locational coordinates, and mounting categories in order to characterize vibration inputs of fighter aircraft equipments during flight attitudes ranging from straight and level states to a variety of significant flight maneuvers and phases. Program outputs, digital and graphical, are designed to provide the direct spectral information necessary to assemble sequential vibration histories corresponding to fighter aircraft mission profiles. (Author)
Computer Program for Vibration Prediction of Fighter Aircraft Equipments
1977
218 pages
Report
Keine Angabe
Englisch
Aircraft , Jet fighters , Aircraft equipment , Vibration , Computer programs , Mathematical prediction , Transfer functions , Flight maneuvers , Turbulent boundary layer , Dynamic response , Structural response , Airframes , Skin(Structural) , Weight , Position(Location) , Mission profiles , Mounts , Vibration isolators , Computer printouts
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