Conclusions
The results obtained in the above work serve to determine the duration of the transient process in the tested article. It is necessary to block the measuring equipment for that duration in order to test the natural vibration frequency by means of a dynamic-impact method of excitation. By means of this technique it is possible to select the required duration for applying the external force in the above instruments.
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Literature cited
B. A Glagovskii and E. G. Chofnus, “Computation of the transient process duration in designing equipment for measuring the natural vibration frequency in mechanical structures.” Materials for the Symposium on Experimental Investigations of Mechanical Structures, Leningrad (1965).
E. S. Sorokin, Theory of Internal Friction in Vibrations of Elastic Systems [in Russian], GSI (State Sanitation Inspection) (1960).
B. A. Glagovskii, “Certain problems in analyzing external forces applied to mechanical erections and structures in dynamic excitation.” Materials for the Symposium on Experimental Investigation of Mechanical Structures, Leningrad (1965).
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Glagovskii, B.A., Chofnus, E.G. Testing of the natural frequencies of vibration in structures. Meas Tech 9, 349–354 (1966). https://doi.org/10.1007/BF00975824
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DOI: https://doi.org/10.1007/BF00975824