Search Results - "Nedospasov, I. A."

Pure shear backward waves in the X-cut and Y-cut piezoelectric plates of potassium niobate by Kuznetsova, I. E., Mozhaev, V. G., Nedospasov, I. A.

“…The problem of the existence of pure shear backward waves and waves with zero group velocity is investigated for X -cut and Y -cut plates of orthorhombic…”
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Anomalous reflection and transmission of surface acoustic waves at a crystal edge via coupling to leaky wedge waves by Pupyrev, P. D., Lomonosov, A. M., Nedospasov, I. A., Mayer, A. P.

“…Surface acoustic waves are propagated toward the edge of an anisotropic elastic medium (a silicon crystal), which supports leaky waves with a high degree of…”
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Generation of time-independent torque by ultrasonic guided waves by Nedospasov, I.A., Pupyrev, P.D., Sotnikov, A., Schmidt, H., Weihnacht, M., Mayer, A.P.

“…•Circumferential ultrasonic waves in a piezoelectric tube generate a static torque.•This effect is explained on the basis of lattice dynamics and simulated…”
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Unusual energy properties of leaky backward Lamb waves in a submerged plate by Nedospasov, I.A., Mozhaev, V.G., Kuznetsova, I.E.

“…•Abnormal energy properties of leaky backward Lamb waves.•Zero total energy flux.•Violation of the Rayleigh’s principle of equipartition of kinetic and…”
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Guided acoustic waves at the intersection of interfaces and surfaces by Pupyrev, P.D., Nedospasov, I.A., Mayer, A.P.

“…•Guided waves were found at the intersection of a surface and an inclined interface.•Their existence region in parameter space was determined…”
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Features of propagation and conversion of acoustic waves in plates with nonuniform thickness by Kuznetsova, I. E., Zaitsev, B. D., Nedospasov, I. A., Teplykh, A. A., Anisimkin, V. I.

“…The numerical simulation of propagation of the S 1 Lamb mode as a pulse through a waveguide with defect is performed with the use of the finite-element method…”
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Influence of electrical boundary conditions on profiles of acoustic field and electric potential of shear-horizontal acoustic waves in potassium niobate plates by Kuznetsova, I.E., Nedospasov, I.A., Kolesov, V.V., Qian, Z., Wang, B., Zhu, F.

“…•Backward wave (BW) vanishes for SH1 wave under metallization of two sides of a plate.•Shorting moves BW point appearance to lower frequency and increase it…”
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Forward and Backward Acoustic Waves in Crystals with High Piezoactivity and Dielectric Permittivity by Kuznetsova, I. E., Nedospasov, I. A., Kuznetsova, A. S.

“…Results are presented from studying the characteristics of acoustic waves of different types in plates of ceramic materials with high piezoactivity and…”
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Surface acoustic waves confined to a soft layer between two stiff elastic quarter-spaces by Pupyrev, P.D., Nedospasov, I.A., Sokolova, E.S., Mayer, A.P.

“…Propagation of acoustic waves is considered in a system consisting of two stiff quarter-spaces connected by a planar soft layer. The two quarter-spaces and the…”
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Backward acoustic plate waves: Features of properties and possible applications in microelectronic devices by Mozhaev, V. G., Nedospasov, I. A., Kuznetsova, I. E.

“…An overview is given of the results of recent and new studies by the authors of this work on topics related to backward acoustic waves of pure-shear type and…”
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