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Damage Detection by Laser Vibration Measurement

P.Castellini, G.M.Revel
Universita degli Studi di Ancona - Dipartimento di Meccanica via Brecce Bianche - 60131 Ancona - Italy
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ABSTRACT

1. INTRODUCTION

2. THE CASE STUDY AND THE MEASUREMENT PROCEDURE

3. THE NUMERICAL MODEL

4. DATA PROCESSING

5. RESULTS

6. CONCLUSIONS

ACKNOWLEDGEMENT

REFERENCES

  1. P. Cielo, Optical techniques for industrial inspection, Academic Press, 1987.
  2. R.M. Jones, Mechanics of Composite Materials, McGraw-Hill, New York, 1975.
  3. L. H. Tenek, E. G. Henneke II, M.D. Gunzburger, "Vibration of delaminated composite plates and applications to non-destructive testing", Composite Structures 23, pp.253-262, 1993.
  4. Z. Zou, M. Link, "Identification of delamination in composite laminated plates using vibration test data", Proc. of Int. Conference on Structural Dynamics, Vibration, Noise and Control, pp. 1387-1392, Hong Kong, 1995.
  5. P. Castellini, N.Paone, E.P. Tomasini, "The laser Doppler vibrometer as an instrument for non-intrusive diagnostic of works of art: application to fresco paintings", Optics & Lasers in Engineering, vol. 25, pp.227-246, May 1996.
  6. P. Castellini, G.M.Revel, "Damage Detection and Characterisation by Processing of Laser Vibrometer Measurement Results: Application on Composite Materials", Proceedings of the 3rd International Conference on Laser Vibrometry, pp.458-468, Ancona, June 1998.
  7. P.Castellini, G.M. Revel, "Laser vibration measurements and data processing for structural diagnostic on composite material", Review of Scientific Instruments, vol.71, n°1, pp. 207-215, 2000.
  8. P.Castellini, G.M.Revel, "An experimental technique for structural diagnostic based on laser vibrometry and neural networks", to be published in Shock & Vibration.
  9. C.P. Fritzen, D. Jennewein, "Damage detection based on model updating methods", Mechanical Systems and Signal Processing, pp. 163-186, n.12 (1), 1998.

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