Rotational Compliance Measurements of a Flexible Plane Structure Using an Attached Beam-like Tip, Part 2: Experimental Study

[+] Author and Article Information
Y. C. Qu, L. Cheng, D. Rancourt

Department of Mechanical Engineering, Laval University, Quebec, Canada, G1K 7P4

J. Vib. Acoust 119(4), 603-608 (Oct 01, 1997) (6 pages) doi:10.1115/1.2889768 History: Received September 01, 1994; Revised September 01, 1995; Online February 26, 2008


This paper presents an experimental assessment of the Tip Excitation Technique (TET) introduced in a companion paper. The aim of the technique is to measure the rotational compliance of attached plane structures. Following the guidelines established on the basis of a numerical study in the companion paper, experimental measurements were performed on a rectangular plate and results were compared with numerical simulations. The investigation focuses on the general performance of the technique, on the different types of excitation used and on other factors necessary to ensure accurate results. In addition, an error analysis is conducted to demonstrate the sensitivity of the results to biased measurement quantities. It is concluded that the proposed technique can be used in the low to middle frequency range, where relatively strong modal behavior is involved.

Copyright © 1997 by The American Society of Mechanical Engineers
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