1976-02-01

Survey of Modal Vibration Test/Analysis Techniques 760870

The results of a survey of modal vibration test/analysis techniques in the United States are presented. Summarized in this paper are responses to a questionnaire distributed to Dynamics engineers involved in modal testing and to members of the SAE Committee G-5 Aerospace Shock and Vibration. The survey encompassed the following modal vibration test/analysis requirements: objectives, test specimens, boundary conditions, support/suspension systems, instrumentation, excitation systems, modal testing/analysis excitation methodology, correlation checks, and data processing requirements.

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