No Access Submitted: 13 February 1989 Accepted: 23 May 1990 Published Online: 26 August 1998
The Journal of the Acoustical Society of America 88, 2269 (1990);
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  • Laboratoire Vibrations‐Acoustique, Bâtiment 303‐I.N.S.A. de Lyon, F 69621 Villeurbanne Cedex, France
This paper presents a method to predict the vibration response of a group of modes, using a sample of modes of the group. The accuracy of the prediction can be improved when increasing the size of the sample. Numerical calculations made on a beam, driven in longitudinal motion, show the ability of the method to reconstitute the energy response of a group of modes including resonant modes, with a sample of a number of modes close to that in the effective damping bandwidth.
  1. © 1990 Acoustical Society of America.