Results 11 to 20 of about 141,866 (259)
An acoustic multi-touch sensing method using amplitude disturbed ultrasonic wave diffraction patterns [PDF]
, 2010 This paper proposes an acoustic multi-touch tactile sensing method. The proposed method is based on an amplitude disturbed ultrasonic wave diffraction pattern.
HAFEZ, Moustapha +4 more
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Mutual Interactions of Lamb Waves in Nonlinear Elastic Plates
Metals, 2022 The mutual interactions of Lamb waves in nonlinear elastic plates are studied in this article. Many researchers have investigated the interactions of Lamb wave modes at nonlinear higher harmonics.
Shuyi Ma +3 more
doaj +1 more source
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
doaj +1 more source
Sensors, 2020 Lamb wave-based structural health monitoring techniques have the ability to scan a large area with relatively few sensors. Lamb wave imaging is a signal processing strategy that generates an image for locating scatterers according to the received Lamb ...
Caibin Xu, Zhibo Yang, Mingxi Deng
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Selective Generation of Lamb Wave Modes in a Finite-Width Plate by Angle-Beam Excitation Method
Sensors, 2020 A Lamb wave in a plate with a finite width has both thickness and width modes, whereas only thickness modes exist in an infinitely wide plate. The thickness and width modes are numerously formed in a finite-width plate, and they all have different cut ...
Sang-Jin Park +3 more
doaj +1 more source
Lamb Waves Propagation Characteristics in Functionally Graded Sandwich Plates
Sensors, 2022 Functionally graded materials (FGM) have received extensive attention in recent years due to their excellent mechanical properties. In this research, the theoretical process of calculating the propagation characteristics of Lamb waves in FGM sandwich ...
Jie Gao +4 more
doaj +1 more source
Sensors, 2019 Due to the merits of Lamb wave to Structural Health Monitoring (SHM) of composite, the Lamb wave-based damage detection and identification technology show a potential solution for the insulation condition evaluation of large generator stator.
Ruihua Li, Haojie Gu, Bo Hu, Zhifeng She
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Application of Nonlinear Lamb Wave Mixing Method for Residual Stress Measurement in Metal Plate
Chinese Journal of Mechanical Engineering, 2023 Harmonic nonlinear ultrasound can offer high sensitivity for residual stress measurements; however, it cannot be used for local stress measurements at a point in space and exhibits nonlinear distortions in the experimental system.
Jingpin Jiao +5 more
doaj +1 more source
Detecting Lamb waves with broad-band acousto-ultrasonic signals in composite structures [PDF]
, 1992 Lamb waves can be produced and detected in ceramic matrix composites (CMC) and metal matrix composites (MMC) plates using the acousto-ultrasonic configuration employing broadband transducers.
Kautz, Harold E.
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Simulation of ultrasonic lamb wave generation, propagation and detection for an air coupled robotic scanner [PDF]
, 2011 A computer simulator, to facilitate the design and assessment of a reconfigurable, air-coupled ultrasonic scanner is described and evaluated. The specific scanning system comprises a team of remote sensing agents, in the form of miniature robotic ...
Burnham, Kenneth +6 more
core +1 more source