Sensors, 2018 Peridynamic based elastodynamic computation tool named Peri-elastodynamics is proposed herein to simulate the three-dimensional (3D) Lamb wave modes in materials for the first time.
Subir Patra +2 more
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Integrated defect sensor for the inspection of fiber-reinforced plastics using air-coupled ultrasound [PDF]
Journal of Sensors and Sensor Systems, 2020 Air-coupled ultrasound (ACU) is a non-destructive testing (NDT) method with a rising significance in industrial use. Common cases where ACU is used are the testing of fiber-reinforced plastic or testing of weld joints between metal sheets.
Y. Bernhardt, M. Kreutzbruck
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, 2017 The fundamental shear horizontal (SH0) wave in plates is of great importance in the field of nondestructive testing (NDT) and structural health monitoring (SHM) since it is the unique non-dispersive guided wave mode.
Huan, Qiang, Li, Faxin, Miao, Hongchen
core +1 more source
Low attenuation frequency bands for Lamb waves immersed in viscous fluids: theoretical analysis and experimental validation. [PDF]
, 2013 6 páginas, 3 figuras. Proceedings of the 2013 International Congress on Ultrasonics (ICU 2013). 2-5 may 2013, SingaporeThe application of Lamb waves is a promising technique i n ultrasonic NDE techniques for inspection and fluid ...
Elvira Segura, Luis +5 more
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Lamb Wave Tomography Using Laser-Based Ultrasonics
, 1995 Lamb waves are widely used for the nondestructive evaluation of plate structures. By using Lamb wave attenuation, velocity and mode conversion, information about the sizes and positions of existing defects can be obtained. Lamb waves have also been used for C-scan imaging of plates.
Nagata, Y. +3 more
openaire +3 more sources
Wireless Energy Supply to Aircraft Structural Health Monitoring Nodes Using Ultrasonic Lamb Waves
Fatigue of Aircraft Structures, 2014 This article is based on research done during the author’s PhD at Cardiff University, UK. A prototype of a novel wireless energy transmission system aimed at the use with wireless aircraft structural health monitoring (SHM) sensor nodes is described. The
Kural Aleksander
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Damage localization method using ultrasonic lamb waves and Wav2Vec2.0 neural network
Frontiers in Materials, 2023 In this paper, a Wav2Vec2.0 neural network based on an attention mechanism is proposed to locate defects in array ultrasonic testing signals. This method does not require knowledge of the a priori condition of the sample sound velocity or the feature ...
Lubin Qian +7 more
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Transient Propagation and Scattering of Quasi-Rayleigh Waves in Plates: Quantitative comparison between Pulsed TV-Holography Measurements and FC(Gram) elastodynamic simulations [PDF]
, 2019 We study the scattering of transient, high-frequency, narrow-band quasi-Rayleigh elastic waves by through-thickness holes in aluminum plates, in the framework of ultrasonic nondestructive testing (NDT) based on full-field optical detection.
Amlani, Faisal +6 more
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Investigating the influence of the constituent materials on the performance of periodic piezoelectric composite arrays [PDF]
, 2007 This paper describes a theoretical investigation into the influence of the constituent materials on periodic composite array transducer performance. A finite element (FE) model, configured in PZFlex, is used to analyze the performance of a wedge coupled ...
Gachagan, A. +3 more
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Measurements of dispersion of ultrasonic wave velocity in thin layers by the ultrasonic spectroscopy
Archives of Acoustics, 2014 This paper presents the results of measurements of the phase velocity dispersion of ultrasonic waves in thin aluminium sheets. The interaction between ultrasonic waves and a thin solid layer is analysed and the theoretical relations for the transmission ...
W. WOJDOWSKI
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