Results 31 to 40 of about 99,487 (264)
Global Winds Shape Planetary‐Scale Lamb Waves
Geophysical Research Letters, 2023 In 2022, the Hunga volcano eruption in Tonga generated atmospheric pressure waves that propagated globally and produced tsunamis in all the world's oceans.
Ignacio Sepúlveda +2 more
doaj +1 more source
Earth, Planets and Space, 2022 Meteotsunamis (forced waves) triggered by atmospheric disturbances of Lamb waves due to the 2022 Hunga–Tonga volcanic eruption have been observed in coastal areas surrounding the Pacific Ocean.
Takashi Tonegawa, Yoshio Fukao
doaj +1 more source
Stimulation of osteoblast differentiation with guided ultrasound waves [PDF]
, 2015 BACKGROUND: Ultrasound induces mechanical vibration and heat, causing differentiation and proliferation in osteoblasts. All known in vitro evaluations of ultrasound are, however, performed with longitudinal ultrasound waves.
Kotha, Shiva +6 more
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Subsonic Lamb waves in anisotropic plates [PDF]
Quarterly of Applied Mathematics, 2002 A six-dimensional complex formalism for analysis of Lamb waves propagating with subsonic speed in anisotropic plates is formulated. Conditions for nonexistence of certain Lamb waves in anisotropic plates are obtained. An example of a transversely isotropic plate having “forbidden” speed at which no subsonic Lamb wave propagates is presented.
openaire +1 more source
Damage detection in a composite wind turbine blade using 3D scanning laser vibrometry [PDF]
, 2016 As worldwide wind energy generation capacity grows, there is an increasing demand to ensure structural integrity of the turbine blades to maintain efficient and safe energy generation.
Armstrong, J. +4 more
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Seasonal and spatial variations in the ocean-coupled ambient wavefield of the Ross Ice Shelf [PDF]
, 2019 © The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Baker, M. G., Aster, R. C., Anthony, R. E., Chaput, J., Wiens, D. A., Nyblade, A., Bromirski, P.
Anthony, Robert E. +8 more
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A Lamb wave lens for acoustic microscopy [PDF]
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 1992 In a conventional scanning acoustic microscope the excited leaky modes contribute significantly to the high contrast obtained in the images. However, all such modes exist simultaneously, and the interpretation of the images is not straightforward, especially in layered media.
Atalar, A., Koymen H., Degertekin F.L.
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Electronics Letters, 1987 A graphic sensor based on the measurement of the propagation time of an acoustic wave train is described. Lamb waves are launched in a plate of ordinary glass by piezoelectric bars bonded to the edges of the plate. They are detected at their arrival under the tip of the drawing pencil by a small piezoelectric disc placed in the pencil body.
E. Dieulesaint +3 more
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Quasi Two-dimensional Transfer of Elastic Waves
, 2001 A theory for multiple scattering of elastic waves is presented in a random medium bounded by two ideal free surfaces, whose horizontal size is infinite and whose transverse size is smaller than the mean free path of the waves.
A. Fick +32 more
core +2 more sources
Frequency Dependence of Second-Harmonic Generation in Lamb Waves [PDF]
, 2014 The frequency dependence of the second-harmonic generation in Lamb waves is studied theoretically and numerically in order to examine the role of phase matching for sensitive evaluation of material nonlinearity.
Biwa, Shiro, Matsuda, Naoki
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