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   Articles with "lamb waves" as a keyword



Baseline-free damage detection in composite plates using edge-reflected Lamb waves

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recommendations! Published in 2020 at "Composite Structures"

DOI: 10.1016/j.compstruct.2020.112423

Abstract: Abstract This paper presents a baseline-free damage detection method which leverages the multipath reflected Lamb waves for structural prognosis. From the viewpoint of ray tracing, the reflection of a propagating wave at a free edge… read more here.

Keywords: damage detection; edge; lamb waves; baseline free ... See more keywords

The excitation and detection of Lamb waves in a droplet-loaded plate using air-coupled ultrasonic transducers

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recommendations! Published in 2021 at "Measurement"

DOI: 10.1016/j.measurement.2020.108954

Abstract: Abstract The signals in an air-coupled ultrasonic inspection system using Lamb waves would be affected by liquid droplets on the surface of test plates. To investigate the wave behaviour, a plate-droplet inspection system comprising a… read more here.

Keywords: lamb waves; air coupled; plate; coupled ultrasonic ... See more keywords

Self‐action of propagating and standing Lamb waves in the plates exhibiting hysteretic nonlinearity: Nonlinear zero‐group velocity modes

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recommendations! Published in 2017 at "Ultrasonics"

DOI: 10.1016/j.ultras.2017.04.010

Abstract: HIGHLIGHTSLamb waves in plates exhibiting hysteretic quadratic nonlinearity.Self‐induced velocity dispersion and absorption in symmetric and antisymmetric Lamb waves.Shift of the zero group velocity points positions in dispersion of finite amplitude Lamb waves.Temporal dynamics of the… read more here.

Keywords: lamb waves; zero group; nonlinearity; standing lamb ... See more keywords

Transmission characteristics of the S0 and A0 Lamb waves at contacting edges of plates

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recommendations! Published in 2017 at "Ultrasonics"

DOI: 10.1016/j.ultras.2017.06.009

Abstract: &NA; In order to gain basic insight into the interaction between ultrasonic guided waves and structural discontinuities with contacting surfaces, the transmission characteristics of Lamb waves at contacting edges of two plates are studied experimentally.… read more here.

Keywords: lamb waves; transmission; contacting edges; frequency ... See more keywords

Nonlinear scattering and mode conversion of Lamb waves at breathing cracks: An efficient numerical approach.

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recommendations! Published in 2019 at "Ultrasonics"

DOI: 10.1016/j.ultras.2018.09.011

Abstract: This article presents an efficient numerical approach to the investigation of nonlinear scattering and mode conversion phenomena of Lamb waves as they interact with breathing cracks. A Local Interaction Simulation Approach (LISA) is adopted, which… read more here.

Keywords: lamb waves; scattering mode; mode conversion; nonlinear scattering ... See more keywords
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Modeling and simulation of frequency mixing response of two counter-propagating Lamb waves in a two-layered plate.

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recommendations! Published in 2020 at "Ultrasonics"

DOI: 10.1016/j.ultras.2020.106109

Abstract: This work investigates modeling of the frequency mixing response (FMR) induced by two counter-propagating Lamb waves with different frequencies in a two-layered plate, and then numerically simulates and analyzes the influences of interfacial properties on… read more here.

Keywords: propagating lamb; lamb waves; layered plate; counter propagating ... See more keywords

High-resolution Lamb waves dispersion curves estimation and elastic property inversion.

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recommendations! Published in 2021 at "Ultrasonics"

DOI: 10.1016/j.ultras.2021.106427

Abstract: Ultrasonic Lamb waves have been widely used for non-destructive evaluation and testing. However, the inversion from the measured guided signals to the material properties is still a challenging task in terms of multimodal dispersive signal… read more here.

Keywords: high resolution; inversion; lamb waves; dispersion ... See more keywords
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Two-dimensional scattering features of the mixed second harmonic A0 mode Lamb waves for incipient damage localization.

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recommendations! Published in 2021 at "Ultrasonics"

DOI: 10.1016/j.ultras.2021.106554

Abstract: Inspection of incipient structural damage is of great significance. Existing techniques based on nonlinear guided waves have shown great promise for the detection of incipient damage due to material microstructure changes, but with only limited… read more here.

Keywords: lamb waves; damage localization; mode lamb; damage ... See more keywords

Ionospheric Lamb Waves With Conical Phase Fronts Following the 2022 Tonga Eruption Unveiled by BeiDou GEO Observations

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recommendations! Published in 2025 at "Geophysical Research Letters"

DOI: 10.1029/2025gl114976

Abstract: Prior observational uncertainties have hindered the clear understanding of the link between tropospheric Lamb waves and ionospheric disturbances. In this study, we precisely extracted ionospheric Lamb waves originating from the epicenter of the 15 January… read more here.

Keywords: ionospheric lamb; 2022 tonga; lamb waves; tonga eruption ... See more keywords

Dispersion of Lamb Waves From the 2022 Hunga Tonga–Hunga Ha'apai Volcanic Eruption Reveals Coupling Between Lower and Upper Atmospheric Layers

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recommendations! Published in 2025 at "Geophysical Research Letters"

DOI: 10.1029/2025gl115294

Abstract: Atmospheric Lamb waveforms are useful for reconstructing large air events, but the propagation of Lamb waves is significantly affected by varying atmospheric conditions. The detailed dispersion of Lamb waves remains vague due to lack of… read more here.

Keywords: lamb waves; dispersion lamb; hunga tonga; 2022 hunga ... See more keywords

Mode Conversion and Scattering of Lamb Waves at Delaminations in Composite Laminates

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recommendations! Published in 2019 at "Journal of Aerospace Engineering"

DOI: 10.1061/(asce)as.1943-5525.0001060

Abstract: AbstractThis paper presents a study of Lamb wave scattering and mode conversion at a delamination in quasi-isotropic (QI) composite laminates. The study employs the fundamental antisymmetric mode (... read more here.

Keywords: lamb waves; composite laminates; mode conversion; scattering lamb ... See more keywords