NDTnet 1998 April, Vol.3 No.4

IMPULSE DIFFRACTION IN SOLIDS APPLICATIONS TO CONTACT PHASED ARRAY

Philippe Gendreu, Rémi Berriet *

TABLE OF CONTENTS

Abstract

Modelling of the transducer-solid system

Application to the case of a single element transducer

Application to the case of a contact phased array

Next steps

References :

  1. D.C. GAKENHEIMER, J. MIKLOWITZ, Transient excitation of an elastic half space by a point load traveling on the surface, Journal of Applied Mechanics 36, p.505, 1969.
  2. G.F. MILLER, H. PURSEY, The field and radiation impedance of mechanical radiators on the free surface of a semi-infinite isotropic solid, Proc. Roy. Soc. London, Ser. A, v.233, p.521-541,1954
  3. P.R. STEPANISHEN, Transient radiation from pistons in an infinite planar baffle. J. Acoust. Soc. Am. 49, p.1629-1638. 1971.
  4. W.P. MASON, Electromechanical transducers and waves filters, Van Nostrand,1948
  5. D. ROYER, E. DIEULESAINT, Optical detection of sub-angstrom transient mechanical displacements. IEEE Ultrason. Symp. Proc. pp. 527, 1986.

Authors

|Top|
|NDTnet|
Copyright © Rolf Diederichs, rd@ndt.net 1. Apr 1998
/DB:Article /AU:Philippe_G /AU:Berriet_R /IN:IMASONIC /CN:FR /CT:UT /CT:transducer /CT:array /CT:piezo-ceramic /ED:1998-04