Results 121 to 130 of about 1,309 (186)

Guided Wave Propagation in a Realistic CFRP Fuselage Panel: Proof of Concept for Early-Stage Damage Detection. [PDF]

Sensors (Basel)
Sellami F, Memmolo V, Hornung M.
europepmc   +1 more source

Elastic constants identification for laminated composites using laser doppler vibrometry and an inversion method based on legendre orthogonal polynomial expansion. [PDF]

Sci Rep
Liu H, Wang L, Li X, Shen L, Qiu C, Liu Z, Tian Z.   +6 more
europepmc   +1 more source

Giant photostriction rate for remote opto-ultrasonic structural health monitoring. [PDF]

Nat Commun
Yin J, Yang Y, Shi X, Zhao C, Lin C, Tao H, Zhang Y, Lim DBK, Jiang C, Lei L, Song Y, Wu H, Ding X, Sun J, Li F, Wu J, Yao K.   +16 more
europepmc   +1 more source

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Liquid level sensor using ultrasonic Lamb waves

Ultrasonics, 2003
This paper describes a novel, noninvasive method for measurement of liquid level in closed metal tanks that are under high pressure. It is based on the use of ultrasonic Lamb waves propagating along the tank wall. Contact with liquid substantially changes the characteristics of these waves and this can be used as an indicator of liquid presence ...
Irén Kuznetsova, B D Zaitsev, B D Zaitsev   +2 more
exaly   +3 more sources

Ultrasonic Lamb Waves for Wireless Power Transfer

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2020
Ultrasonic guided plate waves (Lamb waves) can be used to transfer power along the length of metal plates, achieving longer distance wireless power transfer (WPT), while not being impeded by electromagnetic shielding from the metal plate. In this article, a fundamental study on the performance of Lamb wave WPT is presented, including modeling ...
Victor Farm-Guoo Tseng, Sarah S. Bedair, Joshua J. Radice, Trevon E. Drummond, Nathan Lazarus   +4 more
openaire   +2 more sources

Ultrasonic Lamb wave diffraction tomography

Ultrasonics, 2001
Ultrasonic guided waves, Lamb waves, allow large sections of aircraft structures to be rapidly inspected. Unlike conventional ultrasonic C-scan imaging that requires access to the whole inspected area, tomographic algorithms work with data collected over the perimeter.
E V, Malyarenko, M K, Hinders
openaire   +2 more sources

Lamb Wave Multitouch Ultrasonic Touchscreen

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2016
Touchscreen sensors are widely used in many devices such as smart phones, tablets, and laptops with diverse applications. We present the design, analysis, and implementation of an ultrasonic touchscreen system that utilizes the interaction of transient Lamb waves with objects in contact with the screen. It attempts to improve on the existing ultrasound
Kamyar Firouzi, Amin Nikoozadeh, Thomas E. Carver, Butrus Pierre T. Khuri-Yakub   +3 more
openaire   +2 more sources

Modulating Lamb waves with a tunable ultrasonic lens

Health Monitoring of Structural and Biological Systems XV, 2021
This paper presents a tunable ultrasonic lens for the flexible control and modulation of Lamb waves. The lens is comprised of layered slice structures using Shape Memory Alloy (SMA) which could change its material properties under thermal loads. Numerical investigations on the wave dispersion characteristics demonstrate the tuning capability of wave ...
Xiaowei Yin, Yanfeng Shen, Xianggui Qin
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Ultrasonic Lamb wave tomography

Inverse Problems, 2002
The ultrasonic Lamb wave tomography is considered in the frame of the pressing nondestructive evaluation (NDE) technology need. The work focuses on tomographic reconstruction to produce quantitative maps that can be easily interpreted by technicians or fed directly into structural integrity and lifetime prediction codes.
Leonard, Kevin R., Malyarenko, Eugene V., Hinders, Mark K.   +2 more
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Propagation Characteristic of Ultrasonic Lamb Wave

Applied Mechanics and Materials, 2012
Ultrasonic wave transmitted in the plate is called Lamb wave. The dispersion characteristic of Lamb wave makes it very complicated to be used in material Nondestructive Testing (NDT). In order to solve this problem, the analysis of frequency-dispersion characteristic of Lamb wave is made in this paper, and the dispersion curves of the Lamb wave in ...
Xiao Chen, Kai Xu
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