A technique is explained and illustrated whereby the response of one sub-system of a compound system may be extracted from the measured response of the whole. The system examined consists of two sub-systems, a beam and a concentrated mass, linked by a common co-ordinate at the point of excitation. The results obtained from this composite system are then analysed and the data that are required from a resonance test on the beam alone are extracted.
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References
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PenderedJ. W.BishopR. E. D.‘A critical introduction to some industrial resonance testing techniques’, J. mech. Engng Sci.19635 (no. 4), 345.
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BishopR. E. D.JohnsonD. C.The mechanics of vibration1960 (Cambridge University Press).
