This paper reports on the evaluation of several modal-testing procedures as applied on a modern data-acquisition and -analysis system. These methods include two forms of specimen excitation (sine and multifrequency) and several methods of modal characterization (analytical curvefitting, multishaker modal tuning, and hybrid techniques). The methods are compared, using examples, and a modal testing procedure is suggested.
An Evaluation of Excitation and Analysis Methods for Modal Testing
Sae Technical Papers
Aerospace Engineering and Manufacturing Meeting ; 1976
1976-02-01
Conference paper
English
An evaluation of excitation and analyses methods for modal testing
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