Results 241 to 250 of about 102,704 (290)
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Ultrasonics, 2019
The Partial Wave Method is unique in that it establishes a foundation on which various elastodynamic guided waves can be compared. In this paper, the method is used to compare quasi-Rayleigh waves and Rayleigh waves, and investigate the eccentricities of the Partial Wave Method at phase velocities equal to the Rayleigh wave speed.
Christopher, Hakoda, Cliff J, Lissenden
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The Partial Wave Method is unique in that it establishes a foundation on which various elastodynamic guided waves can be compared. In this paper, the method is used to compare quasi-Rayleigh waves and Rayleigh waves, and investigate the eccentricities of the Partial Wave Method at phase velocities equal to the Rayleigh wave speed.
Christopher, Hakoda, Cliff J, Lissenden
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Stroh Formalism and Rayleigh Waves
Journal of Elasticity, 2007zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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A note on thermoelastic rayleigh waves
Journal of the Mechanics and Physics of Solids, 1961Abstract The propagation of waves on the surface of an elastic thermally conducting medium, which has been the subject of two recent papers, is re-examined herein, and expressions are displayed which exhibit the frequency dependence of the phase velocity and amplitude attenuation.
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Localization of Rayleigh waves
Physical Review B, 2000We study the localization of Rayleigh waves propagating in a semi-infinite and isotropic medium with inhomogeneities that are modeled as rods parallel to the incoming wave front and are distributed randomly up to a maximum depth. For a perfectly smooth surface, the localization length of a Rayleigh wave is predicted to reach a minimum at intermediate ...
Garber, B. (author) +2 more
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The soliton of the Rayleigh wave
Physics Letters A, 1988Abstract A theory of self-induced transparency is constructed for the Rayleigh wave in a system which consists of a thin resonance transitional layer on a solid surface. The solution is obtained in the form of a soliton (2π-pulse of McCall and Hanh) for the Rayleigh wave.
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Wave gradiometry for USArray: Rayleigh waves
Journal of Geophysical Research: Solid Earth, 2009Wave gradiometry (WG) is a new array data processing technique to extract phase velocity, wave directionality, geometrical spreading, and radiation pattern from spatial gradients of waveforms. A weighted inversion method and a reducing velocity method are introduced to compute spatial gradients accurately for irregular arrays. Numerical experiments are
Chuntao Liang, Charles A. Langston
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1991
Tomographic imaging involves the collection of data from a series of projections through an object, and the reconstruction of variations in a chosen parameter across a two-dimensional section. It is now an established method for the reconstruction of images from ultrasonic data, and has been used widely in such areas as medical ultrasound and non ...
D. P. Jansen, D. A. Hutchins
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Tomographic imaging involves the collection of data from a series of projections through an object, and the reconstruction of variations in a chosen parameter across a two-dimensional section. It is now an established method for the reconstruction of images from ultrasonic data, and has been used widely in such areas as medical ultrasound and non ...
D. P. Jansen, D. A. Hutchins
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The Caustic of a Rayleigh-Wave
1989The method of caustic or shadow-spot technique is utilized to determine the caustic of a Rayleigh-wave. The size and shape of the caustic allow for characterization of the source of the Rayleigh-wave disturbance .
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2017
In this chapter, the mechanism for generating fluctuating reservoir pressures will be explored. The generation of surface waves and fluctuating pressures in the upstream reservoir due to gate motion will be examined. The energy input into surface waves is dissipated, or dispersed, as the waves travel away from the structure.
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In this chapter, the mechanism for generating fluctuating reservoir pressures will be explored. The generation of surface waves and fluctuating pressures in the upstream reservoir due to gate motion will be examined. The energy input into surface waves is dissipated, or dispersed, as the waves travel away from the structure.
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Journal of Geophysical Research, 1969
Rayleigh waves recorded at Lubbock, Texas, from natural earthquakes and from nuclear explosions are compared. Natural earthquakes generate both first-mode and second-mode Rayleigh waves, but the explosions generate only first-mode Rayleigh waves. Absence of second-mode Rayleigh waves from the explosions is related to a lack of SV energy in the source ...
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Rayleigh waves recorded at Lubbock, Texas, from natural earthquakes and from nuclear explosions are compared. Natural earthquakes generate both first-mode and second-mode Rayleigh waves, but the explosions generate only first-mode Rayleigh waves. Absence of second-mode Rayleigh waves from the explosions is related to a lack of SV energy in the source ...
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