Results 51 to 60 of about 98,820 (198)
Attenuation Analysis of Lamb Waves Using the Chirplet Transform
EURASIP Journal on Advances in Signal Processing, 2010 Guided Lamb waves are commonly used in nondestructive evaluation to monitor plate-like structures or to characterize properties of composite or layered materials.
Sprenger Helge +4 more
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Modeling of stress wave propagation in matrix cracked laminates
AIP Advances, 2021 The conventional finite element method can be used for modeling the multiscale phenomenon of the interaction of Lamb waves with matrix cracks, but it requires a lot of computational resources.
Nand Jee Kanu
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Non-destructive testing of composite plates by holographic vibrometry [PDF]
, 2014 We report on a wide-field optical monitoring method for revealing local delaminations in sandwich-type composite plates at video-rate by holographic vibrometry.
Atlan, Michael +5 more
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Geophysical Research LettersAtmospheric 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 data, but also to
Shenjian Zhang +5 more
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Multifrequency Identification and Exploitation in Lamb Wave Inspection
IEEE Access, 2019 Lamb wave inspection provides a promising method to assess the structural health status. However, Lamb wave modes exhibit different characteristics which vary with frequency significantly.
Zhe Wang +4 more
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Lamb Wave Detection for Structural Health Monitoring Using a ϕ-OTDR System
Sensors, 2022 In this paper, the use of a phase-sensitive optical time-domain reflectometry (ϕ-OTDR) sensor for the detection of the Lamb waves excited by a piezoelectric transducer in an aluminum plate, is investigated.
Rizwan Zahoor +6 more
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Multi Reflection of Lamb Wave Emission in an Acoustic Waveguide Sensor
Sensors, 2013 Recently, an acoustic waveguide sensor based on multiple mode conversion of surface acoustic waves at the solid—liquid interfaces has been introduced for the concentration measurement of binary and ternary mixtures, liquid level sensing, investigation of
Leonhard Michael Reindl +5 more
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Leaky Lamb Wave Radiation from a Waveguide Plate with Finite Width
Applied Sciences, 2020 In this paper, leaky Lamb wave radiation from a waveguide plate with finite width is investigated to gain a basic understanding of the radiation characteristics of the plate-type waveguide sensor.
Sang-Jin Park +2 more
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Numerical Simulation of Nonlinear Lamb Waves Used in a Thin Plate for Detecting Buried Micro-Cracks
Sensors, 2014 Compared with conventional linear ultrasonic inspection methods, which are sensitive only to severe defects, nonlinear ultrasonic inspection methods are better for revealing micro-cracks in thin plates.
Xiang Wan +3 more
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AIP Advances, 2020 The generation of second- and third-order combined harmonics induced by the interaction of two primary Lamb waves with different frequencies has been analyzed theoretically and observed experimentally in our previous research [W. Li et al., J. Appl. Phys.
Weibin Li, Yaru Xu, Ning Hu, Mingxi Deng
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