Search Results - "Ostrovsky, Lev A."

Ionospheric effects of ground motion: The roles of magnetic field and nonlinearity by Ostrovsky, Lev A.

“…Transformation of infrasound to magnetic sound upon propagation from ground level up to the ionosphere is considered. It is shown that upon entering the…”
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Internal solitons in the ocean and their effect on underwater sound by Apel, John R., Ostrovsky, Lev A., Stepanyants, Yury A., Lynch, James F.

“…Nonlinear internal waves in the ocean are discussed (a) from the standpoint of soliton theory and (b) from the viewpoint of experimental measurements. First,…”
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Ultrasound-based cell sorting with microbubbles: A feasibility study by Matula, Thomas J., Sapozhnikov, Oleg A., Ostrovsky, Lev A., Brayman, Andrew A., Kucewicz, John, MacConaghy, Brian E., De Raad, Dino

“…The isolation and sorting of cells is an important process in research and hospital labs. Most large research and commercial labs incorporate fluorescently or…”
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Action of strong internal solitary waves on surface waves by Bakhanov, Victor V., Ostrovsky, Lev A.

“…Transformation of gravity capillary surface waves on the current created by a large‐amplitude internal wave (IW) is considered. The trajectories of surface…”
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Nonlinear scattering of acoustic waves by natural and artificially generated subsurface bubble layers in sea by Ostrovsky, Lev A, Sutin, Alexander M, Soustova, Irina A, Matveyev, Alexander L, Potapov, Andrey I, Kluzek, Zigmund

“…The paper describes nonlinear effects due to a biharmonic acoustic signal scattering from air bubbles in the sea. The results of field experiments in a shallow…”
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Wave interaction in acoustic resonators with and without hysteresis by OSTROVSKY, Lev A

“…Nonlinear interaction of counterpropagating waves in solids is considered by using a general approach taking into account only the cumulative (resonant)…”
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Acoustic radiation force and particle dynamics in cylindrical resonators by Ostrovsky, Lev A.

“…Acoustic radiation force is widely used in biomedical studies and medical diagnostics. Among the promising areas of its application is concentration and…”
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How does the impact strength affect slow time relaxation in rock by Ostrovsky, Lev A., Lebedev, Andrey

“…Earlier we suggested a model for slow time relaxation in rock which is based on the existence of metastable contacts which slowly return to the basic state due…”
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Nonlinear acoustic waves in media with hysteresis and long-time relaxation by Ostrovsky, Lev A.

“…It is known that the media with complex structures (e.g., rocks and ceramics) possess an anomalously strong elastic nonlinearity. Nonlinear acoustic effects…”
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Solitons in nonintegrable systems by Grimshaw, Roger H J, Ostrovsky, Lev A, Pelinovsky, Dmitry E

“…We introduce the concept of this special focus issue on solitons in nonintegrable systems. A brief overview of some recent developments is provided, and the…”
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Ionospheric effects of magneto-acoustic-gravity waves: Dispersion relation by Jones, R. Michael, Ostrovsky, Lev A., Bedard, Alfred J.

“…There is extensive evidence for ionospheric effects associated with earthquake-related atmospheric disturbances. Although the existence of earthquake…”
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A unified model of hysteresis and relaxation in geophysical materials by Ostrovsky, Lev A., Lebedev, Andrey V.

“…A physical model of stress-strain dynamics and long-time relaxation (slow time) in structured media such as the rock is suggested. It is based on an adhesion…”
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Acoustic parametric oscillators: In the footsteps of Mack Breazeale by Ostrovsky, Lev A.

“…Parametric oscillators have been studied in physics since the 18th century. In acoustics, the effect of transformation of pump energy to a half-frequency…”
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Research on parametric arrays in Russia: Historical perspective by Ostrovsky, Lev A.

“…This presentation is concerned with the Russian part of the history of parametric arrays (PAs). After the pioneering works of P. Westervelt in the United…”
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Wave interaction on acoustic resonators with and without hysteresis by Ostrovsky, Lev A.

“…Nonlinear interaction of counterpropagating waves in solids is considered by using a general approach taking into account only the cumulative effects for which…”
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Diffraction of nonlinear acoustic waves: Matched-area method by Ostrovsky, Lev A.

“…This is a brief overview of a series of investigations undertaken by the author together with his collaborators at the Institute of Applied Physics, Russian…”
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The effect of depth-dependent distribution of bubbles on internal waves by Ostrovsky, Lev A., Grimshaw, Roger H. J., Khusnutdinova, Karima K.

“…A new type of gravity waves associated with the subsurface layers of bubbles existing ubiquitously in the ocean is considered. Due to bubble compressibility,…”
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Nonlinear acoustics: Discussions with David Crighton by Ostrovsky, Lev A.

“…This lecture is a brief overview of Professor David Crighton’s important role in nonlinear acoustical research which, as in many other areas, went far beyond…”
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Nonlinear wave interactions in water with bubbles: Solved and unsolved problems by Ostrovsky, Lev A.

“…This lecture is an outline of some nontrivial aspects of nonlinear acoustics of bubbly liquids. It is common knowledge now that a very small volume content of…”
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Notes on nonlinear elasticity of rocks by Ostrovsky, Lev A.

“…Recent experiments with samples of Earth materials such as sandstone have shown that they possess a strong nonlinearity, and that water saturation, even in…”
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