Share Email Print
cover

Proceedings Paper

Determination of phase and magnitude maps for vibration flow measurements in structures using interferometric cineholography
Author(s): Jean-Claude Pascal; Xavier Carniel; Vincent Chalvidan; Paul Smigielski
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

The technique of holographic interferometry by double-exposure and double- reference serves as a basis for a new method designed to obtain the magnitude and phase of the vibration field of a plate. The experimental findings in which the plate is excited by two shakers are then used to calculate the structural intensity which describes the transfer of vibrational energy by elastic waves in the structure. This calculation corresponds to a spatial Fourier transform of measurement data and to the processing of these data in the wavenumber domain. The divergence of the structural intensity vector is used to detect mechanical excitations on the plate.

Paper Details

Date Published: 8 September 1994
PDF: 12 pages
Proc. SPIE 2358, First International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (8 September 1994); doi: 10.1117/12.185353
Show Author Affiliations
Jean-Claude Pascal, CETIM (France)
Xavier Carniel, CETIM (France)
Vincent Chalvidan, HOLO 3 (France)
Paul Smigielski, ISL (France)


Published in SPIE Proceedings Vol. 2358:
First International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
Enrico Primo Tomasini, Editor(s)

© SPIE. Terms of Use
Back to Top