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1

Banerjee, Sourav. "Quantum analogous spin states to explain topological phase for guided waves in ultrasonic nondestructive evaluation." Journal of the Acoustical Society of America 157, no. 4 (2025): 2477–97. https://doi.org/10.1121/10.0036345.

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Spin is a physically observable property that is instrumental for topological behaviors in quantum mechanics. Spin states dictate complex interactions of physical parameters in a topological media during wave propagation. Ultrasonic guided waves are elastic waves that propagate in materials and structures and may also have similar quantum analogous spin states leading to the topological behavior. Traditionally nondestructive evaluation and structural health monitoring use ultrasonic guided waves, but spin states and their topological contributions are not measured or analyzed for damage identi
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2

Fairuschin, Viktor, Felix Brand, Alexander Backer, and Klaus Stefan Drese. "Elastic Properties Measurement Using Guided Acoustic Waves." Sensors 21, no. 19 (2021): 6675. http://dx.doi.org/10.3390/s21196675.

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Nondestructive evaluation of elastic properties plays a critical role in condition monitoring of thin structures such as sheets, plates or tubes. Recent research has shown that elastic properties of such structures can be determined with remarkable accuracy by utilizing the dispersive nature of guided acoustic waves propagating in them. However, existing techniques largely require complicated and expensive equipment or involve accurate measurement of an additional quantity, rendering them impractical for industrial use. In this work, we present a new approach that requires only a pair of piezo
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3

Camou, S., Th Pastureaud, H. P. D. Schenk, S. Ballandras, and V. Laude. "Guided elastic waves in GaN-on-sapphire." Electronics Letters 37, no. 16 (2001): 1053. http://dx.doi.org/10.1049/el:20010668.

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4

Dieulesaint, Eugène, and Daniel Royer. "Liquid level detector by guided elastic waves." Journal of the Acoustical Society of America 85, no. 3 (1989): 1390. http://dx.doi.org/10.1121/1.397395.

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5

Sotiropoulos, D. A., and G. Tougelidis. "Guided elastic waves in orthotropic surface layers." Ultrasonics 36, no. 1-5 (1998): 371–74. http://dx.doi.org/10.1016/s0041-624x(97)00092-9.

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6

Skelton, Elizabeth A., Samuel D. M. Adams, and Richard V. Craster. "Guided elastic waves and perfectly matched layers." Wave Motion 44, no. 7-8 (2007): 573–92. http://dx.doi.org/10.1016/j.wavemoti.2007.03.001.

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7

Gei, Massimiliano. "Elastic waves guided by a material interface." European Journal of Mechanics - A/Solids 27, no. 3 (2008): 328–45. http://dx.doi.org/10.1016/j.euromechsol.2007.10.002.

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8

Zhou, Fang Jun, Yue Min Wang, Chuan Jun Shen, Feng Rui Sun, and Hong Tao Zhang. "Application of Ultrasonic Guided Waves Testing Method in Coiled Springs." Applied Mechanics and Materials 127 (October 2011): 449–54. http://dx.doi.org/10.4028/www.scientific.net/amm.127.449.

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In this paper,application of defect detection by ultrasonic guided waves in springs has been studied in three aspects,which are theoretical calculation, simulation modeling and experiments.For the springs structure is helix and it can not be directly described easily,less work has been done on theoretical calculation of elastic wave propagation in the springs.The elastic wave equation of the spiral structure is established and calculated numerically here,considering the theoretical calculation helps to quantitative analyze the law of elastic wave propagation in the springs.Then guided waves di
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9

Frehner, Marcel, and Stefan M. Schmalholz. "Finite-element simulations of Stoneley guided-wave reflection and scattering at the tips of fluid-filled fractures." GEOPHYSICS 75, no. 2 (2010): T23—T36. http://dx.doi.org/10.1190/1.3340361.

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The reflection and scattering of Stoneley guided waves at the tip of a crack filled with a viscous fluid was studied numerically in two dimensions using the finite-element method. The rock surrounding the crack is fully elastic and the fluid filling the crack is elastic in its bulk deformation behavior and viscous in its shear deformation behavior. The crack geometry, especially the crack tip, is resolved in detail by the unstructured finite-element mesh. At the tip of the crack, the Stoneley guided wave is reflected. The amplitude ratio between reflected and incident Stoneley guided wave is c
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10

Philibert, Marilyne, and Kui Yao. "Explore Ultrasonic-Induced Mechanoluminescent Solutions towards Realising Remote Structural Health Monitoring." Sensors 24, no. 14 (2024): 4595. http://dx.doi.org/10.3390/s24144595.

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Ultrasonic guided waves, which are often generated and detected by piezoelectric transducers, are well established to monitor engineering structures. Wireless solutions are sought to eliminate cumbersome wire installation. This work proposes a method for remote ultrasonic-based structural health monitoring (SHM) using mechanoluminescence (ML). Propagating guided waves transmitted by a piezoelectric transducer attached to a structure induce elastic deformation that can be captured by elastico-ML. An ML coating composed of copper-doped zinc sulfide (ZnS:Cu) particles embedded in PVDF on a thin a
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11

DHIA, A. S. BONNET-BEN, J. DUTERTE, and P. JOLY. "MATHEMATICAL ANALYSIS OF ELASTIC SURFACE WAVES IN TOPOGRAPHIC WAVEGUIDES." Mathematical Models and Methods in Applied Sciences 09, no. 05 (1999): 755–98. http://dx.doi.org/10.1142/s0218202599000373.

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We present here a theoretical study of the guided waves in an isotropic homogeneous elastic half-space whose free surface has been deformed. The deformation is supposed to be invariant in the propagation direction and localized in the transverse ones. We show that finding guided waves amounts to solving a family of 2-D eigenvalue problems set in the cross-section of the propagation medium. Then using the min-max principle for non-compact self-adjoint operators, we prove the existence of guided waves for some particular geometries of the free surface. These waves have a smaller speed than that
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12

Fan, Zheng, and Mike J. S. Lowe. "Elastic waves guided by a welded joint in a plate." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 465, no. 2107 (2009): 2053–68. http://dx.doi.org/10.1098/rspa.2009.0010.

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The inspection of large areas of complex structures is a growing interest for industry. An experimental observation on a large welded plate found that the weld can concentrate and guide the energy of a guided wave travelling along the direction of the weld. This is attractive for non-destructive evaluation (NDE) since it offers the potential to quickly inspect for defects such as cracking or corrosion along long lengths of welds. In this paper, a two-dimensional semi-analytical finite-element (SAFE) method is applied to provide a modal study of the elastic waves that are guided by the welded j
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13

Lobkis, O. I., and D. E. Chimenti. "Elastic guided waves in plates with rough surfaces." Applied Physics Letters 69, no. 23 (1996): 3486–88. http://dx.doi.org/10.1063/1.117260.

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14

Yan, Xiang, Rui Zhu, Guoliang Huang, and Fuh-Gwo Yuan. "Focusing guided waves using surface bonded elastic metamaterials." Applied Physics Letters 103, no. 12 (2013): 121901. http://dx.doi.org/10.1063/1.4821258.

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15

Qiao, Song, Xinchun Shang, and Ernian Pan. "Elastic guided waves in a coated spherical shell." Nondestructive Testing and Evaluation 31, no. 2 (2015): 165–90. http://dx.doi.org/10.1080/10589759.2015.1079631.

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16

Cho, Youn Ho, Won Deok Oh, and Joon Hyun Lee. "Long-Range Pipe Monitoring with Elastic Guided Waves." Key Engineering Materials 297-300 (November 2005): 2176–81. http://dx.doi.org/10.4028/www.scientific.net/kem.297-300.2176.

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17

Treyssède, F., L. Laguerre, P. Cartraud, and T. Soulard. "Elastic guided waves in helical multi-wire armors." Ultrasonics 110 (February 2021): 106294. http://dx.doi.org/10.1016/j.ultras.2020.106294.

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18

Joly, Patrick, and Jamel Tlili. "Elastic waves guided by an infinite plane crack." Wave Motion 14, no. 1 (1991): 25–53. http://dx.doi.org/10.1016/0165-2125(91)90047-r.

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19

Bös, Christoph, and Chuanzeng Zhang. "Mutual interactions between bulk waves and guided waves in a quadratic nonlinear elastic medium." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A263. http://dx.doi.org/10.1121/10.0023473.

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The high sensitivity of nonlinear ultrasonic waves to the early stages of local material deteriorations makes them ideal candidates for nondestructive material characterization. Guided elastic waves, which can be emitted and received on the same surface, expand the possibilities to inspect inaccessible domains to test and monitor existing structures. The pure measurement of the amplitude of the second harmonic has only limited significance, since it is difficult to distinguish between the rather weak material nonlinearity and the nonlinearities from the technical equipment. This can be avoided
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20

Adams, Samuel D. M., Richard V. Craster, and Duncan P. Williams. "Rayleigh waves guided by topography." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 463, no. 2078 (2006): 531–50. http://dx.doi.org/10.1098/rspa.2006.1779.

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We consider wave propagation along the surface of an elastic half-space, whose surface is flat except for a straight, infinite length, ridge or trench that does not vary in its cross-section. We seek to resolve the issue of whether such a perturbed surface can support a trapped wave, whose energy is localized to within some vicinity of the defect, and explain physically how this trapping occurs. First, the trapping is addressed by developing an asymptotic scheme, which exploits a small parameter associated with the surface variation, to perturb about the base state of a flat half-space (which
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21

Fu, Y. B., G. A. Rogerson, and W. F. Wang. "Surface waves guided by topography in an anisotropic elastic half-space." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 469, no. 2149 (2013): 20120371. http://dx.doi.org/10.1098/rspa.2012.0371.

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We consider the propagation of free surface waves on an elastic half-space that has a localized geometric inhomogeneity perpendicular to the direction of wave propagation (such waves are known as topography-guided surface waves). Our aim is to investigate how such a weak inhomogeneity modifies the surface-wave speed slightly. We first recover previously known results for isotropic materials and then present additional results for a generally anisotropic elastic half-space assuming only one plane of material symmetry. It is shown that a topography-guided surface wave in the present context may
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22

Golub, Mikhail V., Sergey I. Fomenko, Kirill K. Kanishchev, et al. "Investigation of guided wave propagation in elastic metamaterial plates with arrays of interfacial crack-like voids by laser Doppler vibrometry." Journal of Physics: Conference Series 2966, no. 1 (2025): 012009. https://doi.org/10.1088/1742-6596/2966/1/012009.

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Abstract A novel type of acoustic metamaterials with unit cells composed of an elongated waveguide and complex-shaped joint with a void is considered. The experimental samples were manufactured using additive technologies. In the experiment, elastic guided waves were excited using a piezoelectric actuator and measured with a laser Doppler vibrometer. The analysis of numerical and experimental data shows that forbidden zones of 20 kHz width occur in such metamaterial plates and that introduction of voids could sufficiently influence on the attenuation of particular elastic guided waves.
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23

Hu, Liang-Zie, George A. McMechan, and Jerry M. Harris. "Elastic finite-difference modeling of cross-hole seismic data." Bulletin of the Seismological Society of America 78, no. 5 (1988): 1796–806. http://dx.doi.org/10.1785/bssa0780051796.

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Abstract Cross-hole seismic data exhibit unique characteristics not seen in surface survey data or even in vertical seismic profile data. These are, to a large extent, due to the near-horizontal propagation involved. Transmitted, reflected, evanescent, guided, and converted waves are all prominent; these require an elastic algorithm for realistic simulation. Elastic finite-differences are used to synthesize responses (both fixed-time snapshots and seismogram profiles) for a series of two-dimensional models of increasing complexity. Special emphasis is given to guided waves in continuous and se
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24

Rokhlin, S. I. "Application of elastic guided waves for interface properties characterization." Journal of the Acoustical Society of America 77, S1 (1985): S4. http://dx.doi.org/10.1121/1.2022373.

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25

Teidj, Sara. "Mathematical modeling on the propagation of guided elastic waves." International Review of Applied Sciences and Engineering 11, no. 2 (2020): 135–39. http://dx.doi.org/10.1556/1848.2020.20017.

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AbstractThe main cause of train derailment is related to transverse defects that arise in the railhead. These consist typically of opened or internal flaws that develop generally in a plane that is orthogonal to the rail direction. Most of the actual inspection techniques of rails relay on eddy currents, electromagnetic induction, and ultrasounds. Ultrasounds based testing is performed according to the excitation-echo procedure [1]. It is conducted conventionally by using a contact excitation probe that rolls on the railhead or by a contact-less system using a laser as excitation and air-coupl
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26

Ma, Pyung Sik, Hyung Jin Lee, and Yoon Young Kim. "Dispersion suppression of guided elastic waves by anisotropic metamaterial." Journal of the Acoustical Society of America 138, no. 1 (2015): EL77—EL82. http://dx.doi.org/10.1121/1.4922766.

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27

Adams, Samuel D. M., Richard V. Craster, and Sebastien Guenneau. "Guided and standing Bloch waves in periodic elastic strips." Waves in Random and Complex Media 19, no. 2 (2009): 321–46. http://dx.doi.org/10.1080/17455030802541566.

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28

Charles, C., B. Bonello, and F. Ganot. "Propagation of guided elastic waves in 2D phononic crystals." Ultrasonics 44 (December 2006): e1209-e1213. http://dx.doi.org/10.1016/j.ultras.2006.05.096.

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29

Gao, Min, and Zhifei Shi. "A wave guided barrier to isolate antiplane elastic waves." Journal of Sound and Vibration 443 (March 2019): 155–66. http://dx.doi.org/10.1016/j.jsv.2018.11.042.

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30

Sotiropoulos, D. A. "Guided elastic waves in a pre-stressed compressible interlayer." Ultrasonics 38, no. 1-8 (2000): 821–23. http://dx.doi.org/10.1016/s0041-624x(99)00221-8.

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31

Tang, Liguo, and Shengxing Liu. "Guided elastic waves in infinite free-clamped hollow cylinders." Progress in Natural Science 19, no. 3 (2009): 313–20. http://dx.doi.org/10.1016/j.pnsc.2008.06.015.

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32

Adamou, A. T. I., and R. V. Craster. "Spectral methods for modelling guided waves in elastic media." Journal of the Acoustical Society of America 116, no. 3 (2004): 1524–35. http://dx.doi.org/10.1121/1.1777871.

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33

Joly, Patrick, and Ricardo Weder. "New results for guided waves in heterogeneous elastic media." Mathematical Methods in the Applied Sciences 15, no. 6 (1992): 395–409. http://dx.doi.org/10.1002/mma.1670150603.

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34

Samsonov, Alexander M., Irina V. Semenova, and Fedor E. Garbuzov. "Nonlinear guided bulk waves in heterogeneous elastic structural elements." International Journal of Non-Linear Mechanics 94 (September 2017): 343–50. http://dx.doi.org/10.1016/j.ijnonlinmec.2017.01.012.

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35

Liou, Hong-Cin, Fabrizio Sabba, Aaron I. Packman, George Wells, and Oluwaseyi Balogun. "Nondestructive characterization of soft materials and biofilms by measurement of guided elastic wave propagation using optical coherence elastography." Soft Matter 15, no. 4 (2019): 575–86. http://dx.doi.org/10.1039/c8sm01902a.

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36

Golub, Mikhail V., Artur D. Khanazaryan, Kirill K. Kanishchev, et al. "Guided elastic wave propagation in elastic metamaterial plate with periodic array of interfacial crack-like voids." Journal of Physics: Conference Series 2822, no. 1 (2024): 012143. http://dx.doi.org/10.1088/1742-6596/2822/1/012143.

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Abstract A special kind of elastic metamaterials with periodic unit-cells composed of two layers with internal crack-like voids situated at the interfaces between two neighboring sub-layers is studied. To investigate experimentally guided waves propagation in EMMs with arrays of voids, several specimens with periodic arrays of crack-like voids have been manufactured using additive manufacturing techniques. The elastic waves have been excited by a rectangular piezoelectric transducer bonded at the surface of the specimen, while the wave-fields on the surface of the EMM specimen are measured by
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37

Mukdadi, O. M., S. K. Datta, and M. L. Dunn. "Elastic Guided Waves in a Layered Plate With a Rectangular Cross Section." Journal of Pressure Vessel Technology 124, no. 3 (2002): 319–25. http://dx.doi.org/10.1115/1.1491582.

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Ultrasonic guided waves in a layered elastic plate of rectangular cross section (finite width and thickness) are studied in this paper. A semi-analytical finite element method in which the deformation of the cross section is modeled by two-dimensional finite elements and analytical representation of propagating waves along the long dimension of the plate is used. The method is applicable to an arbitrary number of layers of anisotropic properties and is similar to that used earlier to study guided waves in layered anisotropic plates of infinite width. Numerical results are presented for acousti
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38

Yu, J. G., and X. F. Dong. "Elastic Waves in Piezoelectric Spherical Curved Plates." Key Engineering Materials 455 (December 2010): 672–77. http://dx.doi.org/10.4028/www.scientific.net/kem.455.672.

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Based on linear three-dimensional piezoelasticity, an orthogonal polynomial approach is used for determining the elastic wave characteristics of piezoelectric spherical curved plates. The displacement components and electric potential, expanded in a series of Legendre polynomials, are introduced into the governing equations along with position-dependent material constants so that the solution of the wave equation is reduced to an eigenvalue problem. Guided wave dispersion curves for PZT-4 spherical curved plates are calculated. Corresponding mechanical displacement and electric potential distr
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39

Mayer, Andreas P., Elena A. Mayer, and Pavel D. Pupyrev. "Nonlinear mixing processes of surface acoustic waves involving leaky waves." Low Temperature Physics 51, no. 6 (2025): 774–82. https://doi.org/10.1063/10.0036800.

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Two guided waves can efficiently generate a third one in a stationary phase-matched third-order nonlinear interaction process. The evolution of the output wave can approximately be described by coupled mode equations. In this work, the derivation of such coupled mode equations is extended to third-order nonlinear mixing processes of surface acoustic waves in anisotropic elastic media with a leaky output wave. In analogy to the case of a perfectly surface-guided output wave, the coefficients occurring in these equations can be expressed in the form of overlap integrals involving the displacemen
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40

Lobkis, O. I., and D. E. Chimenti. "Elastic guided waves in plates with surface roughness. II. Experiments." Journal of the Acoustical Society of America 102, no. 1 (1997): 150–59. http://dx.doi.org/10.1121/1.419773.

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41

Bi-Xing, Zhang, Cui Han-Yin, Xiao Bo-Xun, and Zhang Cheng-Guang. "Guided Waves in a Multi-Layered Cylindrical Elastic Solid Medium." Chinese Physics Letters 24, no. 10 (2007): 2883–86. http://dx.doi.org/10.1088/0256-307x/24/10/048.

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42

Radzieński, M., Ł. Doliński, M. Krawczuk, A. Żak, and W. Ostachowicz. "Application of RMS for damage detection by guided elastic waves." Journal of Physics: Conference Series 305 (July 19, 2011): 012085. http://dx.doi.org/10.1088/1742-6596/305/1/012085.

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43

Żak, A., M. Radzieński, M. Krawczuk, and W. Ostachowicz. "Damage detection strategies based on propagation of guided elastic waves." Smart Materials and Structures 21, no. 3 (2012): 035024. http://dx.doi.org/10.1088/0964-1726/21/3/035024.

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44

Mal, Ajit K., Pei-cheng Xu, and Yoseph Bar-Cohen. "Leaky Lamb Waves for the Ultrasonic Nondestructive Evaluation of Adhesive Bonds." Journal of Engineering Materials and Technology 112, no. 3 (1990): 255–59. http://dx.doi.org/10.1115/1.2903319.

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The critical role played by interface zones in the fracture and failure of composites and other bonded materials is well known. However, the existing nondestructive evaluation methods are not capable of yielding useful quantitative information on either elastic or strength related properties of the interface. The authors are investigating the feasibility of applying an ultrasonic method to determine some of the interface properties nondestructively. The method uses guided waves and is based on the fact that the dispersive properties of these waves are strongly affected by the elastic propertie
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45

Karunasena, W. M., R. L. Bratton, S. K. Datta, and A. H. Shah. "Elastic Wave Propagation in Laminated Composite Plates." Journal of Engineering Materials and Technology 113, no. 4 (1991): 411–18. http://dx.doi.org/10.1115/1.2904119.

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A stiffness method and an analytical method have been used to study the dispersion characteristics of guided waves in laminated composite plates. Both cross-ply and angle-ply plates have been considered in the analysis. The objective of the study is to analyze the effect of fiber orientation, ply layout configuration, and number of layers on the dispersion characteristics. A Rayleigh-Ritz type of approximation of the through-thickness variation of the displacements that maintain continuity of displacements and tractions at the interfaces between the layers has been used in the stiffness method
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46

Spytek, Jakub, Claire Prada, Ros-Kiri Ing, and Julien de Rosny. "Lamb waves in thermoplastic polymer plates: An application to monitoring." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A288. http://dx.doi.org/10.1121/10.0018875.

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Thin thermoplastic polymer components are widely used in different fields of engineering, including high-technology industries such as automotive or energy. Due to the rapid technological development in these industries, there is an increased demand for polymer components to achieve advanced functionalities, such as the continuous monitoring of their structural health. In this work, we propose to take advantage of elastic guided waves, which are both emitted and measured using arrays of transducers integrated within the structure. This application requires first investigating the Lamb waves in
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47

Golub, Mikhail V., Olga V. Doroshenko, Mikhail A. Arsenov, Ilya A. Bareiko, and Artem A. Eremin. "Identification of Material Properties of Elastic Plate Using Guided Waves Based on the Matrix Pencil Method and Laser Doppler Vibrometry." Symmetry 14, no. 6 (2022): 1077. http://dx.doi.org/10.3390/sym14061077.

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Ultrasonic based inspection of thin-walled structures often requires prior knowledge of their mechanical properties. Their accurate estimation could be achieved in a non-destructive manner employing, e.g., elastic guided waves. Such procedures require efficient approaches for experimental data extraction and processing, which is still a challenging task. An advanced automated technique for material properties identification of an elastic waveguide is proposed in this investigation. It relies on the information on dispersion characteristics of guided waves, which are extracted by applying the m
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48

Gautesen, A. K. "Surface Waves Guided by the Exterior of a Rectangular Elastic Solid." Journal of Applied Mechanics 53, no. 2 (1986): 379–81. http://dx.doi.org/10.1115/1.3171767.

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We show that surface waves can be guided on the exterior of an isotropic elastic bar with a rectangular cross section. We assume that the dimensionless wavenumber is sufficiently large that elastodynamic ray theory is valid. Dispersion relations are obtained and representative curves for various cross sections are shown.
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49

Georgiades, Evripides, Michael J. S. Lowe, and Richard V. Craster. "Computing leaky Lamb waves for waveguides between elastic half-spaces using spectral collocation." Journal of the Acoustical Society of America 155, no. 1 (2024): 629–39. http://dx.doi.org/10.1121/10.0024467.

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In non-destructive evaluation guided wave inspections, the elastic structure to be inspected is often embedded within other elastic media and the ensuing leaky waves are complex and non-trivial to compute; we consider the canonical example of an elastic waveguide surrounded by other elastic materials that demonstrates the fundamental issues with calculating the leaky waves in such systems. Due to the complex wavenumber solutions required to represent them, leaky waves pose significant challenges to existing numerical methods, with methods that spatially discretise the field to retrieve them su
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Park, Kyung-Jo. "Characterization and Detection of Sludge inside Pipes Using Guided Elastic Waves." Journal of Power System Engineering 26, no. 1 (2022): 65–71. http://dx.doi.org/10.9726/kspse.2022.26.1.065.

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