Contents
Preface .....................................................................................................................v
The WBK method applied to the refection-transmission
by a depth-varying random distribution of cylinders in a fluid
slab-like region........................................................................................................1
J.-M. Conoir, S. Robert, A. El Mouhtadi, F. Luppé
Advances in ultrasonic testing of autenitic stainless steel welds.
Towards a 3-d description af the material including attenuation
and optimisation by inversion.............................................................................15
J. Moysan, C. Gueudre, M.-A. Ploix, G. Corneloup, P. Guy, B. Chassignole
Imaging of defects in autenitic steel welds using an ultrasonic array.............25
G. Connolly, M. Lowe, S. Roklin, A. Temple
Material and mechanical aspects of bonded joints ...........................................39
M. Shanahan
The causal differential scattering approach to calculating the effective
properties of random composite materials with a particle size distribution..49
A. Young, A. Mulholland, R. O’Leary
Modeling of scattering of ultrasounds by flaws for NDT ................................61
M. Darmon, N. Leymarie, S. Chatillon, S. Mahaut
Finite element computation of leaky modes in stratified waveguides.............73
A.-S. Bonnet-Bendhia, B. Goursaud, C. Hazard, A. Pietro
Ultrasonic bulk wave propagation in concentrated heterogeneous slurries...87
R. Challis, A. Holmes, V. Pinfield
Table of Contents
Dynamics of elastic bodies connected by o thin adhesive layer .......................99
C. Licht, F. Lebon, A. Léger
Acoustic wave attenuation in a rough-walled waveguide filled with
a dissipative fluid................................................................................................111
Some advances towards a better understanding of wave propagation
in civil engineering multi-wire strand ..............................................................123
L. Laguerre, F. Treyssède
A numerical method for the simulation of NDT experiments in an elastic
waveguide............................................................................................................137
V. Baronian, A.-S. Bonnet-Bendhia, A. Lhemery, E. Luneville
Finite element for a beam system with nonlinear contact under periodic
excitation .............................................................................................................149
H. Hazim, B. Rousselet
Nonlinear acoustic fast and slow dynamics of damaged composite
materials : correlation with acoustic emission.................................................161
M. Bentahar, A. Marec, R. El Guerjouma, J.H. Thomas
Asymptotic expansions of vibrations with small unilateral contact..............173
S. Junca, B. Rousselet
Propagation of compressional elastic waves through a 1-d medium
with contact nonlinearities.................................................................................183
B. Lombard, J. Piraux
3-d Finite element simulations of an air-coupled ultrasonic NDT system....195
W. Ke, M. Castaings, C. Bacon
The reverse time migration technique coupled with finite
element methods .................................................................................................207
C. Baldassari, H. Barucq, H. Calandra, B. Denel, J. Diaz
Modelling of corner echo ultrasonic inspection with bulk
and creeping waves.............................................................................................217
G. Huet, M. Darmon, A. Lhémery, S. Mahaut
viii
T. Valier-Brasier, C. Potel, M. Bruneau, C. Depollier
Table of Contents
Attenuation of Lamb waves in the vincinity of a forbidden band
in a phononic crystal ..........................................................................................227
M. Bavencoffe, A.-C. Hladky-Hennion, B. Morvan, J.-L. Izbicki
3-d orthogonality relations for the surface waves and the far field
evaluation in viscoelastic layered solids with or without fluid loading.........237
D. D. Zakharov
Damage detection in foam core sandwich structures using guided waves....251
N. Terrien, D. Osmont
Sensitivity of the guided waves to the adhesion of lap joints :
Finite elements modeling and experimental investigations............................261
H. Lourme, B. Hosten, P. Brassier
Guided waves in empty and filled pipes with optimized magnetostrictive
transduction ........................................................................................................271
A. Phang, R. Challis
Piezoelectric material characterization by acoustic methods ........................283
E. Le Clezio, T. Delaunay, M. Lam, G. Feuillard
towards in vivo application................................................................................293
E. Franceschini, F. Yu, G. Cloutier
A 3-d semi-analytical model to predict the behavior of ultrasonic
bounded beam traveling in cylindrical solid bar embedded in a
solid matrix .........................................................................................................303
S. Yaacoubi, L. Laguerre, E. Ducasse, M. Deschamps
Comparison between a multiple scattering method and direct numerical
simulations for elastic wave propagation in concrete.....................................317
M. Chekroun, L. Le Marec, B. Lombard, J. Piraux, O. Abraham
Investigation of a novel polymer foam material for air coupled ultrasonic
transducer applications......................................................................................329
ix
L. Satyanarayan, J.-M. Vander Weide, N.-F. Declercq, Y. Berthelot
Ultrasound characterization of aggregated red blood cells :
Table of Contents
Dual signal processing approach for Lamb wave analysis.............................341
J. Assaad, S. Grondel, F. El Yaoubi, E. Moulin, C. Delebarre
Structural health monitoring of bonded composite patches using
Lamb waves.........................................................................................................355
B. Chapuis, N. Terrien, D. Royer, A. Déom
Simulation of structural noise and attenuation occuring in ultrasonic
NDT of polycrystalline materials......................................................................365
V. Dorval, F. Jenson, G. Corneloup, J. Moysan
Ultrasonic array reconstruction methods for the localization
and the characterization of defects in complex NDT configurations............377
A. Fidahoussen, P. Calmon, M. Lambert
Ultrasonic nonlinear parameter measurement : critical investigation
of the instrumentation........................................................................................387
L. Haumesser, J. Fortineau, D. Parenthoine, T. Goursolle, F. Vander Meulen
Investigation of damage mechanisms of composite materials :
multivariable analysis based on temporal and wavelet features extracted
from acoustic emission signals ..........................................................................399
A. Marec, J.-H. Thomas, R. El Guerjouma, R. Berbaoui
Propagation of elastic waves in a fluid-loades anisotropic functionally
graded waveguide : application to ultrasound characterization
of cortical bone....................................................................................................411
C. Baron, S. Naili
Coherent wave propagation in solids containing spatially varying
distributions of finite-size cracks ......................................................................423
C. Aristégui, M. Caleap, O. Poncelet, A.-L. Shuvalov, Y.-C. Angel
x